The features of function gif g(x) = f(x + 4) + 8 is vertical asymptote of r = -4.
What is logarithm function?Since they enable us to convert an exponential equation into a logarithmic equation and vice versa, logarithmic functions are employed to solve equations involving exponents. They are also used in a variety of disciplines, including science, finance, and engineering.
Given equation:
g(x) = f(x + 4) + 8.
f(x) → f(x + 4)
Horizontal translation less 4 unit.
(x, y) → (x - y), y
f(x, y) + 8
Vertical translation up 4 unit.
(x, y) → (x, y + d)
f(x)
Vertical Asymptote x = 0,
f(x + 4) + 8
Vertical Asymptote x+ 4 = 0
x = -4
Therefore, the features of function gif g(x) = f(x + 4) + 8 is vertical asymptote of r = -4.
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A bicycle mechanic wants to put a strip of plastic between the tube and tire of a 26-in. diameter bicycle tire. to the nearest inch, how long should the strip of plastic be?
The bicycle mechanic should cut a strip of plastic approximately 82 inches long to place between the tube and tire of the 26-inch diameter bicycle tire.
To calculate the length of the strip of plastic needed, we first need to determine the circumference of the tire. The formula for the circumference of a circle is C=2πr, where C is the circumference, π is approximately 3.14, and r is the radius of the circle.
In this case, the tire diameter is 26 inches, so the radius is 13 inches (half of the diameter). Therefore, the circumference of the tire is: C = 2πr = 2π(13) = 81.64 inches (rounded to two decimal places)
To ensure that the strip of plastic fits snugly between the tube and tire, it should be the same length as the circumference of the tire. Therefore, the strip of plastic should be 82 inches long (rounded to the nearest inch).
In summary, the bicycle mechanic should cut a strip of plastic that is 82 inches long to fit between the tube and tire of the 26-inch diameter bicycle tire.
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What relationship do you notice between the amount Tim has saves and the amount Jill has saved each week?
a. The Taylors may want to avail themselves of the help of a professional investment advisor.
b. They may prefer to find a reputable planner with appropriate credentials and experience
c,. The Taylors should track their expenses more closely because overspending without replacement income can be disastrous
How can this portfolio be done?Because successfully managing a large investment portfolio takes a great deal of time and knowledge, the Taylors may want to avail themselves of the help of a professional investment advisor.
2) They may prefer to find a reputable planner with appropriate credentials and experience. It will be important for them to shop around to find someone with whom they feel comfortable. A fee-only planner might be the best choice, especially if their current investments are doing well and the Taylors are not interested in making big changes that would generate sales, and commissions, for the planner
e) Whether or not Tim and Jill continue to work with a financial planner depends on their financial knowledge, time and commitment. Given their successful, independent, management of their financial situation to date, they may want to develop their own plan and have it reviewed by a planner as confirmation that they are on the right track.
f) The Taylors should track their expenses more closely because overspending without replacement income can be disastrous. In the event of an unexpectedly bad financial situation or a long downturn in the economy, they would not have the time or resources to rectify their misfortune and achieve their goals.
Their big five expenses are likely to be the same as the average U.S. household - taxes, food, housing, medical care and transportation. Most retirement benefits will be taxable, as will other investment earnings. Depending on the age of the house or appliances, repairs or replacements may be necessary.
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RO Consider the convergent series (-1)" its sum s, and its partial sums n+1 84. That is, (-1)" and 8μ -Σ (-1)" n+1 RO NO 1. Is s - 85 going to be positive or negative? 2. Use the Alternating Series
The value of s - 85 cannot be determined based on the given information as we do not know the value of s.
Alternating Series Test states that if a series satisfies three conditions, namely the terms alternate in sign, the absolute value of the terms decreases as n increases, and the limit of the terms approaches zero as n approaches infinity, then the series converges.
The given series (-1)^n satisfies the first two conditions as the terms alternate in sign and the absolute value of the terms is decreasing. To check the third condition, we take the limit of the terms as n approaches infinity: lim n→∞ |(-1)^n+1/n+1| = lim n→∞ 1/(n+1) = 0.
Since all three conditions are satisfied, the series converges. We can also see from the given partial sums that the sum s lies between 83 and 85. Therefore, s - 85 is negative or zero.
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Martin collected data from students about whether they played a musical Instrument. The table shows his
results.
Instrument
No Instrument TOTAL
Boys
42
70
112
Girls
48
88
TOTAL
90
110
200
Of the students surveyed, how many played an instrument?
The number of students surveyed who played an instrument is
Out of the students surveyed, 90 played a musical instrument.
To find the total number of students who played a musical instrument, we need to look at the table provided and sum up the number of boys and girls who played an instrument.
From the table, we can see the following:
- Boys who played an instrument: 42
- Girls who played an instrument: 48
To find the total number of students who played a musical instrument, simply add the number of boys and girls together:
Total students who played an instrument = (Number of boys who played an instrument) + (Number of girls who played an instrument)
Total students who played an instrument = 42 (boys) + 48 (girls)
Total students who played an instrument = 90
So, of the students surveyed, 90 played a musical instrument.
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Consider two coordinates given by P(−2, 0) and Q(4, 3).
Find the equation of the straight line connecting these points in the form
y = mx + c
The equation of the straight line connecting these points in the form of y = mx + c is given as y = (1/2)x + 1.
The line in the slope-intercept equation is given as,
y = mx + c
where:
m = the slope of the line
c = the y-intercept
The slope m of the line connecting two points (x1, y1) and (x2, y2) is given by the formula
= (y₂ - y₁) / (x₂ - x₁)
Substituting the coordinates values of P and Q into this formula, we get
[tex]m = (3 - 0) / (4 - (-2))[/tex]
= 3/6
= 1/2
Therefore, the value of the m is 1/2
We can find the value of c by substituting the m and x values in the equation. using the point P and Substituting x and y values in the equation we get
x = - 2
y = 0
[tex]0 = (1/2) × (-2) + c[/tex]
c = 1
Therefore, the value of c is 1.
By substuting the m and c values in the standard slope-intercept formula we get y = (1/2)x + 1.
Therefore, the equation of the line connecting points P and Q is y = (1/2)x + 1.
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A jewelry company purchases a necklace for $24. If they mark it up 36% to sell it at their store, what is the selling price of the necklace?
The selling price of the necklace at the store is $32.64.
To calculate the selling price of the necklace, we will first find the markup amount and then add it to the original cost.
Markup = (Original Cost) x (Markup Percentage)
Markup = $24 x 36% = $24 x 0.36 = $8.64
Now, add the markup amount to the original cost to find the selling price:
Selling Price = Original Cost + Markup
Selling Price = $24 + $8.64 = $32.64
So, the selling price of the necklace at the store is $32.64.
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Find the Zeros of each quadratic equation below by graphing
bro idrk but I think
Answer: The correct option is
(A) {-1, -5}.
Step-by-step explanation: We are given to find the zeroes of the quadratic function graphed in the figure shown.
We know that
the zeroes of a quadratic function f(x) are the value of x for which f(x) is equal to zero.
That is, the points on the graph where the curve crosses the X-axis.
From the graph, we note that the curve of the function crosses the X-axis at the points x = 1 and x = -5.
Therefore, the zeroes of the given function are x = -1 an x = -5.
Thus, option (A) is CORRECT.
For the differential equation
s′′+bs′+6s=0,
find the values of b that make the general solution overdamped, underdamped, or critically damped.
(For each, give an interval or intervals for b for which the equation is as indicated. Thus if the the equation is overdamped for all b in the range −1
If the equation is overdamped, b∈
If the equation is underdamped, b∈
If the equation is critically damped, b∈
- If the equation is overdamped, b ∈ (-∞, -2√6) ∪ (2√6, ∞).
- If the equation is underdamped, b ∈ (-2√6, 2√6).
- If the equation is critically damped, b ∈ {-2√6, 2√6}.
To determine the behavior of the solution for the given differential equation s′′ + bs′ + 6s = 0, we need to analyze the roots of the characteristic equation:
r^2 + br + 6 = 0
For this quadratic equation, the discriminant Δ is given by:
Δ = b^2 - 4(1)(6) = b^2 - 24
The behavior of the solution depends on the value of Δ:
1. Overdamped: If Δ > 0, the solution will be overdamped.
2. Underdamped: If Δ < 0, the solution will be underdamped.
3. Critically damped: If Δ = 0, the solution will be critically damped.
Now, we find the intervals of b for each case:
1. Overdamped (Δ > 0):
b^2 - 24 > 0
This inequality holds for b ∈ (-∞, -2√6) ∪ (2√6, ∞).
2. Underdamped (Δ < 0):
b^2 - 24 < 0
This inequality holds for b ∈ (-2√6, 2√6).
3. Critically damped (Δ = 0):
b^2 - 24 = 0
This equation holds for b = -2√6 and b = 2√6.
In conclusion:
- If the equation is overdamped, b ∈ (-∞, -2√6) ∪ (2√6, ∞).
- If the equation is underdamped, b ∈ (-2√6, 2√6).
- If the equation is critically damped, b ∈ {-2√6, 2√6}.
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Suppose the chance of rain on Saturday is 2/5
and the chance of rain on Sunday is also 2/5
. A student wants to run a simulation to estimate the probability that it will rain on both days.
How could the student model the chance of it raining on each day?
Multiple choice question.
cross out
A)
Toss a coin twice to represent a trial. Assign heads to represent rain.
cross out
B)
Roll a six-sided number cube twice to represent a full trial. Assign sides 1-3 as rain.
cross out
C)
Spin a spinner with five equal-size sections twice to represent a full trial. Assign two sections for rain.
cross out
D)
Spin a spinner with five equal-size sections twice to represent a full trial. Assign three sections for rain.
Part B
Suppose the table shows the results of 10 trials of a simulation. An “R” represents a day that it rained and an “N” represents a day it did not rain.
Trial 1 2 3 4 5 6 7 8 9 10
Saturday N R R N N R R N R N
Sunday N N R R N R N R R N
According to the results of the simulation, what is the experimental probability of having rain on both days? Express your answer as a percentage.
The student could model the chance of it raining on each day by
Spin a spinner with five equal-size sections twice to represent a full trial. Assign three sections for rain; Option DThe experimental probability of having rain on both days expressed as a percentage is 20%.
What is the experimental probability of having rain on both days?The experimental probability of having rain on both days can be determined using the probability formula given below as follows:
Experimental probability = number of trials with rain on both days / total number of trialsThe number of trials with rain on both days = 2 (Saturday and Sunday)
The total number of trials = 10
Experimental probability = 2 / 10
Experimental probability = 0.2 or 20%
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Consider the function f(x) = 1/z on the interval (5,9). (A) Find the average or mean slope of the function on this interval, Average Slope =?
(B) By the Mean Value Theorem, we know there exists a c in the open interval (5,9) such that f'(c) is equal to this mean slope. Find all values of c that work and list them separated by commas) in the box below
Therefore, the only value of c that works is 6√5.
(A) To find the average slope of the function f(x) = 1/x on the interval (5, 9), we use the formula:
Average Slope = (f(9) - f(5)) / (9 - 5)
Plugging in the values, we get:
Average Slope = (1/5 - 1/9) / 4 = -1/180
Therefore, the average slope of the function on the interval (5, 9) is -1/180.
(B) By the Mean Value Theorem, we know there exists a c in the open interval (5, 9) such that f'(c) is equal to this mean slope.
The derivative of f(x) = 1/x is f'(x) = -1/x^2.
Setting f'(c) = -1/180, we get:
-1/c^2 = -1/180
Solving for c, we get:
c = ±6√5
Since c must be in the open interval (5, 9), the only value that works is:
c = 6√5
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The two-way frequency table shows the results of a survey of middle school students.
Find the probability that a randomly chosen student is a male who enjoys reading. Round
to the nearest thousandth.
Totals
Enjoys Reading
Female
Male
Enjoyment of Reading
Yes
No
40
30
15
30
55
60
70
45
Totals
115
The probability that a randomly chosen student is a male who enjoys reading P(male and enjoys reading) ≈ 0.261
To calculate the probability that a randomly chosen student is a male who enjoys reading, you need the number of males who enjoy reading divided by the total number of students.
The probability that a randomly chosen student is a male who enjoys reading can be found by dividing the number of males who enjoy reading by the total number of students.
From the table, we see that there are 30 males who enjoy reading and a total of 115 students. Therefore, the probability is:
P(male and enjoys reading) = 30/115
Rounding to the nearest thousandth, we get:
Therefore, The probability that a randomly chosen student is a male who enjoys reading P(male and enjoys reading) ≈ 0.261
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Find the absolute maximum and absolute minimum values off on each interval. (If an answer does not exist, enter DNE.) f(x) = -2x2²+ 8x + 400 (a) (-5, 11 ) Absolute maximum Absolute minimum: (b) (-5, 11 ) IN Absolute maximum: Absolute minimum: (C) (-5, 11) Absolute maximum: Absolute minimum:
The absolute maximum value of the function on the interval (-5, 11) is 670, which occurs at x = -5, and the absolute minimum value is approximately 400.847, which occurs at x ≈ 1.154.
To find the absolute maximum and minimum values of the function f(x) = -2x^3 + 8x + 400 on the interval (-5, 11), we need to consider the critical points and the endpoints of the interval.
First, we find the derivative of the function:
f'(x) = -6x^2 + 8
Setting f'(x) = 0 to find the critical points, we get:
-6x^2 + 8 = 0
x^2 = 4/3
x = ±√(4/3)
Since only √(4/3) is within the interval (-5, 11), this is the only critical point we need to consider.
Next, we evaluate the function at the endpoints of the interval:
f(-5) = -2(-5)^3 + 8(-5) + 400 = 670
f(11) = -2(11)^3 + 8(11) + 400 = -1666
Finally, we evaluate the function at the critical point:
f(√(4/3)) = -2(√(4/3))^3 + 8(√(4/3)) + 400 ≈ 400.847
Therefore, the absolute maximum value of the function on the interval (-5, 11) is 670, which occurs at x = -5, and the absolute minimum value is approximately 400.847, which occurs at x ≈ 1.154.
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A man spent 500 dollars on a shopping trip to Erewhon. If the milk costed 132 dollars and the chicken costed 220, how much did the fish cost?
Answer:148
Step-by-step explanation:
Assuming he only bought milk, fish and chicken.
220+132=352
500-352=148
Select the correct answer.
Using long division, what is the quotient of 3z + 20z³ + 14x² + 17x + 30 and +6?
OA 32:³ 2x² + 2x - 5
О в.
OC.
OD. 3z² + 2x + 2
22³ + 142² + 17z + 30
3z³ + 2z² + 2x + 5
Reset
Next
The quotient of the division 3x⁴ + 20x³ + 14x² + 17x + 30 ÷ x + 6 is 3x³ + 2x² + 6x - 19
Evaluating the long division expressionsThe quotient expression is given as
3x⁴ + 20x³ + 14x² + 17x + 30 ÷ x + 6
The long division expression is represented as
x + 6 | 3x⁴ + 20x³ + 14x² + 17x + 30
So, we have the following division process
3x³ + 2x² + 6x - 19
x + 6 | 3x⁴ + 20x³ + 14x² + 17x + 30
3x⁴ + 18x³
--------------------------------
2x³ + 14x² + 17x + 30
2x³ + 12x²
-------------------------------------
6x² + 17x + 30
6x² + 36x
-------------------------------------
-19x + 30
-19x - 114
-------------------------------------
134
Hence, the quotient of the long division is 3x³ + 2x² + 6x - 19
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The answer should be
2x³ + 14x² + 17x + 30
What is the approximate volume of the cylinder? (Use 3. 14 as an approximation of pi. )
The approximate volume of the cylinder with a diameter of 14cm and height of 49cm is 10780.78 cubic centimeters, calculated using the formula V=πr²h.
To calculate the volume of a cylinder, we use the formula
Volume = πr²h
where π is pi, r is the radius of the cylinder, h is the height of the cylinder.
We are given the diameter of the cylinder, which is 14 cm. The radius of the cylinder is half of the diameter, so
radius = diameter / 2 = 14 cm / 2 = 7 cm
The height of the cylinder is given as 49 cm.
Now we can use the formula to find the volume of the cylinder
Volume = πr²h = 3.14 x 7² x 49 = 10780.78 cubic centimeters (rounded to two decimal places)
Therefore, the approximate volume of the cylinder is 10780.78 cubic centimeters.
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--The given question is incomplete, the complete question is given
" What is the approximate volume of the cylinder? when diameter is 14cm height is 49cm (Use 3. 14 as an approximation of pi. )"--
Complete parts a rough for the given function f(x) = -4°-x+2:1-4,4) A. The critical point(a) is(ro) ot x - (Simplify your answer. Use a comma to separate wwers as needed) B. The function does not have a critical point b. Use the First Derivative Test to locate the local maximum and minimum values Select the correct choice below and recessary in the answer box to complete your choice (Simplify your answer. Use a comma to separate arvwers as needed) BA The local maximum/maximal/are at OD. The local minimumiminimais/are OC. The local minimumin nima infare at and the local maximum maxima are at OD. There is no local munimum and there is no local maximum e Identify the absolute maximum and minimum values of the function on the given interval (when they st) Select the correct the below and the web.com your choice (Simplify your answer Uses comma to separato answers as needed) A The absolute maxim is al and the absolute minimumis More 8 10
The critical point is x = -1/2, the function has a local minimum at x = 1 and an absolute maximum at x = 4, and the absolute minimum is at x = -1/2.
How to find critical point?a. The critical point is x = -1/2.
To find the critical point(s), we need to find where the derivative of the function is equal to zero or undefined. In this case, we have:
f(x) = -4x - x^2 + 2
f'(x) = -4 - 2x
Setting f'(x) equal to zero, we get:
-4 - 2x = 0
-2x = 4
x = -2/2
x = -1
However, we need to check if this value is in the given interval (1-4, 4). Since -1 is not in the interval, it is not a critical point.
Next, we check the endpoints of the interval.
When x = 1, f(x) = -4 - 1^2 + 2 = -3.
When x = 4, f(x) = -4 - 4^2 + 2 = -22.
So the function has a local minimum at x = 1, and an absolute maximum at x = 4, and no local maximum.
How to find local maxima and minima?b. The local maximum is at x = 4, and the local minimum is at x = 1.
We can use the First Derivative Test to locate the local maximum and minimum points. If the derivative changes sign from positive to negative at a point, then it is a local maximum. If the derivative changes sign from negative to positive at a point, then it is a local minimum.
In this case, we have f'(x) = -4 - 2x. It is negative for x < -2 and positive for x > -2. Therefore, the function is decreasing for x < -2 and increasing for x > -2. Since the interval is (1-4, 4), the critical points are -2 and 4.
For x = 4, we have f'(4) = -4 - 2(4) = -12, which is negative, so x = 4 is a local maximum.
For x = 1, we have f'(1) = -4 - 2(1) = -6, which is negative, so x = 1 is a local minimum.
Therefore, the local maximum is at x = 4, and the local minimum is at x = 1.
How to found absouloute maxima and minima?c. The absolute maximum is at x = 4, and the absolute minimum is at x = -1/2.
To find the absolute maximum and minimum, we need to evaluate the function at the critical points and endpoints of the interval, and choose the largest and smallest values, respectively.
We have already found that the local maximum is at x = 4, and the local minimum is at x = 1. We also found that x = -1/2 is a critical point, but it is not in the given interval, so we can ignore it.
Evaluating the function at the endpoints of the interval, we get:
f(1) = -3
f(4) = -22
Therefore, the absolute maximum is at x = 4, and the absolute minimum is at x = 1/2.
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Which expression is equivalent to 3x – (2x + 4) + 5?
Responses
The expression that is equivalent to 3x – (2x + 4) + 5 is x+1 ( optionB)
What is equivalent of expression?Equivalent expressions are expressions that work the same even though they look different. If two algebraic expressions are equivalent, then the two expressions have the same value.
For example , 2a+6a is equivalent to 2a( 1+3) and they will surely have the same value when a value is replaced with a
3x – (2x + 4) + 5 = 3x-2x-4+5
= x-4+5
= x +1
therefore the equivalent of 3x – (2x + 4) + 5 is x+1
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A bike rental costs $8 per hour. Desiree has a coupon for 2 free hours. To find how many hours she can rent with $40, Desiree sets up the equation 8(x – 2) = 40, where x is the number of hours.
Drag equations into order to show a way to solve for x.
Answer:
8x - 16 = 40
8x = 56
x = 7
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Which expression is equivalent to (3√27)^4
A-12
B-9^2
C-81^4
D-27^3/4
Answer:
Step-by-step explanation:
(3√27)^4 = (3^1/3 * 3^3/2)^4 = (3^5/2)^4 = 3^10 = 59049
So the equivalent expression is not listed among the given options.
Selena and Martin are waiting at the bus stop. The number lines show the number of minutes, t, Selena and Martin each expect to wait. A. Construct Arguments Who expects to wait longer? Justify your response with a mathematical explanation
Martin expects to wait longer than Selena. This can be Mathematically represented as: t > s
To determine who expects to wait longer, we need to compare the values on the number lines for Selena and Martin. Let's say Selena expects to wait for t minutes, and Martin expects to wait for s minutes. Looking at the number lines, we can see that Selena's expected wait time is closer to 10 minutes, while Martin's expected wait time is closer to 5 minutes. Therefore, we can say that Martin expects to wait longer than Selena.
Mathematically, we can represent this as:
t > s
This means that Selena's expected wait time is greater than Martin's expected wait time. Therefore, Martin expects to wait longer than Selena.
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X - (-1. 8) = - 31 what is the value of x?
The value of x in the equation is -32.8.
To solve for X in the equation X - (-1.8) = -31, we need to follow some basic algebraic steps.
The first step is to simplify the equation by adding the two negatives, which would result in X + 1.8 = -31. The next step would be to isolate X by subtracting 1.8 from both sides of the equation.
This will give us X = -32.8.
The value of X in this equation is -32.8.
It's essential to keep in mind the basic rules of algebra when solving such equations.
By following the rules and taking it step by step, we can solve any equation, regardless of how complex it may seem.
In conclusion,
X - (-1.8) = -31 is a straight forward equation that can be solved using basic algebraic steps.
The value of X is -32.8.
The given equation is X - (-1.8) = -31.
When you see a subtraction of a negative number, you can rewrite it as addition of the positive number. So, X - (-1.8) becomes X + 1.8. The equation now is:
X + 1.8 = -31
To find the value of X, subtract 1.8 from both sides of the equation:
X + 1.8 - 1.8 = -31 - 1.8
We can simplify by adding the values of the two negative numbers on the left side of the equation:
X + 1.8 = -31
Next, we can isolate the variable x by subtracting 1.8 from both sides of the equation:
X = -31 - 1.8
Simplifying further, we get:
X = -32.8
This simplifies to: X = -32.8
So, the value of X is -32.8 in the equation X - (-1.8) = -31.
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Sara drops a tennis ball and lets it bounce. She records the height of the ball after each of its bounces as an ordered pair, where x represents the number of bounces and y represents the height of the ball in inches. The ordered pairs she records are (1,8), (2,6), (3,2) and (4,1)
We can plot the points (1,8), (2,6), (3,2), and (4,1) on a graph by using a coordinate plane and the x and y-coordinates of each point.
To plot these points, we will use a coordinate plane, which is a two-dimensional graph with an x-axis and a y-axis. The x-axis represents the horizontal position, and the y-axis represents the vertical position. We will use the x-coordinate to determine the horizontal position of the point and the y-coordinate to determine the vertical position of the point.
For the first point, (1,8), we will start at the origin of the graph, which is the point (0,0). We will then move 1 unit to the right along the x-axis and 8 units up along the y-axis to plot the point.
For the second point, (2,6), we will start again at the origin and move 2 units to the right along the x-axis and 6 units up along the y-axis to plot the point.
We will repeat this process for the remaining points, (3,2) and (4,1), to plot all four points on the graph. Once all four points are plotted, we can connect them with a line to visualize the pattern of the ball's bounces.
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Complete Question:
Sara drops a tennis ball and lets it bounce. She records the height of the ball after each of its bounces as an ordered pair, where x represents the number of bounces and y represents the height of the ball in inches.
The ordered pairs she records are (1,8), (2,6), (3,2) and (4,1).
Plot the ordered points on the graph.
Two straight lines cross at a point.
b+c+d=280°
Work out the sizes of angles a, b, c and d.
a
b
d.
C
Not drawn accurately
Answer:
a = c = 80°b = d = 100°Step-by-step explanation:
You want the measures of the angles where lines cross if the sum of three of them is 280°.
Linear pairAngle b and c form a linear pair, so ...
b + c = 180°
Substituting that into the given equation, we have ...
b + c + d = 280°
180° + d = 280°
d = 100°
Vertical anglesAngles in this figure that do not share a side are vertical angles, hence congruent.
b = d = 100°
c = 180° -b = 180° -100° = 80° . . . . using the linear pair relation
a = c = 80°
Last week Deion ran a total of 32 miles. This week, he increased his running distance by 6. 4 miles. By what percentage did he increase the distance he ran? Please help waaaaaa
Deion increased the distance he ran by 20%.
To discover the percentage increase within the distance Deion ran, we need to first calculate the amount of increase.
The increase in distance that Deion ran this week compared to final week is:
6.4 miles
To find the proportion increase, we need to divide the increase by means of the original value (the distance he ran last week),
Then multiply by using a hundred to express the result as a percent.
The original price (last week's distance) is:
32 miles
Therefore, the percentage increase within the distance he ran is:
(6.4 miles / 32 miles) x 100% = 20%
So, Deion increased the distance he ran by 20%.
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Franklin is helping his aunt sew a lace border onto 2 quilts. Each quilt is 2. 2 meters wide by 2. 7 meters long. At the craft store, they buy a 20-meter roll of lace. To their surprise, they use up almost all of it. How many millimeters of lace do they have left after finishing the quilts?
The amount in millimeters of lace they have left after finishing the quilts is 400 millimeters.
Determine how much lace is needed for each quilt. Each quilt has a perimeter that we need to cover with lace. The perimeter is the sum of all sides of a rectangle, which is (2 x width) + (2 x length).
Each quilt is 2.2 meters wide and 2.7 meters long. So, the perimeter of one quilt is (2 x 2.2) + (2 x 2.7) = 4.4 + 5.4 = 9.8 meters.
Since there are 2 quilts, the total lace needed for both quilts is 9.8 meters x 2 = 19.6 meters.
They bought a 20-meter roll of lace. To find out how much lace is left, subtract the total lace used from the initial length of the roll: 20 meters - 19.6 meters = 0.4 meters.
To convert this to millimeters, multiply by 1,000: 0.4 meters x 1,000 = 400 millimeters.
So, Franklin and his aunt have 400 millimeters of lace left after finishing the quilts.
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Please Help I cant figure this out
The value of angle Y in the pentagon is 139°.
How to find the value of angle Y in the pentagon?
The sum of the interior angles of a polygon can be found using the formula:
sum of interior angles = (n - 2) * 180
where n is the number of sides of the polygon
A polygon with 5 sides is called pentagon. Thus, n = 5.
sum of interior angles = (5 - 2)*180 = 540°
Thus,
∠U + ∠W + ∠X + ∠Y + ∠Z = 540°
90 + 108 + 121 + ∠Y + 82 = 540
401 + ∠Y = 540
∠Y = 540 - 401
∠Y = 139°
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A crane is being set up on a slope of. If the base of the crane is. 0 ft wide, how many inches should the downhill side of the base be raised in order to level the crane?
The downhill side of the crane base should be raised by approximately 4.53 inches to level the crane on a 2.5° slope.
We can use trigonometry here. Let x be the length (in inches) that the downhill side of the base should be raised. The slope of the ground is given to be 2.5°,
tan(2.5°) ≈ 0.0436
Now, using the equation,
x / 12 = 9tan(2.5°)
Here, we converted the base's width from feet to inches (by dividing by 12) and calculated the crane's required vertical displacement (inches) using the angle's tangent. When we simplify this equation, we obtain,
x = 9tan(2.5°)12
x ≈ 4.53 inches
Therefore, the downhill side of the base should be raised by about 4.53 inches to level the crane.
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Complete question - A crane is being set up on a slope of 2.5 degrees. If the base of the crane is 9.0 ft wide, how many inches should the downhill side of the base be raised in order to level the crane?
Polygon JKLM is drawn with vertices J(−2, −5), K(−4, 0), L(−1, 2), M (0, −1). Determine the image coordinates of K′ if the preimage is translated 6 units up.
A. K′(−10, 0)
B. K′(−4, −6)
C. K′(−4, 6)
D. K′(2, 0)
The coordinates of the images after the translation are K' (-4, 6).
Finding the coordinates of the image of points K'To find the image coordinates of K', we need to translate the coordinates of K 6 units up.
This can be done by adding 6 to the y-coordinate of K.
So, the y-coordinate of K' will be:
y-coordinate of K' = y-coordinate of K + 6
= 0 + 6
= 6
To find the x-coordinate of K', we just need to keep the x-coordinate of K the same, since the translation is only in the vertical direction.
Therefore, the image coordinates of K' are (-4, 6).
So, the correct answer is C. K′(−4, 6).
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In milling operations, the spindle speed S (in revolutions per minute) is directly related to the cutting speed C (in feet per minute) and inversely related to the tool diameter D (in inches). A milling cut taken with a 3-inch high-speed drill and a cutting speed of 70 feet per minute has a spindle speed of 88.2 revolutions per minute. What is the spindle speed for a cut taken with a 4-inch high-speed drill and a cutting speed of 30 feet per minute?
The spindle speed for a cut taken with a 4-inch high-speed drill and a cutting speed of 30 feet per minute is approximately 35.1 revolutions per minute.
Speed is a measure of how fast an object is moving. It is usually measured in units of distance per unit time, such as miles per hour or meters per second. Speed is an important concept in physics, engineering, and everyday life
We can use the formula for spindle speed that relates spindle speed to cutting speed and tool diameter:
S = (C × 12) / (π × D)
where S is spindle speed, C is cutting speed in feet per minute, D is tool diameter in inches, and π is the mathematical constant pi.
We know that for a 3-inch high-speed drill with a cutting speed of 70 feet per minute, the spindle speed is 88.2 revolutions per minute. We can use this information to solve for the constant of proportionality k:
88.2 = (70 × 12) / (π × 3)
k = 88.2 × (π × 3) / (70 × 12)
k ≈ 0.0039
Now we can use the value of k to find the spindle speed for a 4-inch high-speed drill with a cutting speed of 30 feet per minute:
S = k × C × 12 / D
S = 0.0039 × 30 × 12 / 4
S = 35.1
Therefore, the spindle speed for a cut taken with a 4-inch high-speed drill and a cutting speed of 30 feet per minute is approximately 35.1 revolutions per minute.
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Cory and Dalia like to buy fruit at the farmers’ market on Sundays. One Sunday, Cory bought 4 apples and 6 oranges and paid $5.10. Dalia bought 2 apples and 5 oranges and paid $3.65.
What is the cost of 2 oranges?
Write the answer as a decimal to 2 places
The cost of two oranges is 1.1 dollars.
How to find the cost of two oranges?One Sunday, Cory bought 4 apples and 6 oranges and paid $5.10. Dalia bought 2 apples and 5 oranges and paid $3.65.
Therefore, using equation,
let
x = cost of each apples
y = cost of each oranges
Hence,
4x + 6y = 5.10
2x + 5y = 3.65
Multiply equation(ii) by 2
4x + 6y = 5.10
4x + 10y = 7.3
4y = 2.2
y = 2.2 / 4
y = 0.55 dollars
Therefore,
cost of 2 oranges = 0.55(2) = 1.1 dollars
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