Answer:
Yo, the equation of the circle that's chillin' and just grazin' against the line y = -4, with its center chillaxin' at (5, 4), is:
(x - 5)^2 + (y - 4)^2 = r^2
where r is the radius of the circle. Keep it cool, bro!
What is the solution set for |z+4| > 15?
O 11 < z < 19
O -19 < z < 11
O z < -19 or z > 11
O z < 19 or z > 11
Answer:
C. z < -19 or z > 11
Step-by-step explanation:
|z+4| > 15
z+4<-15 or z+4<15
z < -19 or z > 11
A report says that the average amount of time a 10-year-old American child spends playing outdoors per day is between 20.92 and 24.48 minutes. What is the margin of error in this report?
The width of a block of wood with rectangular cross-section is x cm . it's height is two - thirds its width and it's length is 4 times its height. What is its volume in cm3
What is the value of x in the figure? X=____
that L looking shape is a right angle, which is 90 degrees. and the question is saying that the part they cut off is 56 degrees. to find x you will need to subtract 90 from 56 to get 34.
The answer is 34 :)
0.9t
t² + 64
Find the time
The concentration of a drug t hours after being injected is given by C(t) =
when the concentration is at a maximum. Give your answer accurate to at least 2 decimal places.
hours.
Calculator
Submit Question
Help me! I need to find the surface area if a cylinder!
The surface area of the cylinder is 1851.97 square meters
Finding the surface area of the cylinderFrom the question, we have the following parameters that can be used in our computation:
Radius, r = 13.1 meters
Height, h = 9.4 meters
Using the above as a guide, we have the following:
Surface area = 2πr(r + h)
Substitute the known values in the above equation, so, we have the following representation
Surface area = 2π * 13.1 * (13.1 + 9.4)
Evaluate
Surface area = 1851.97
Hence, the surface area is 1851.97 square meters
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write a quadratic function in standard form that passes through (-4,0) , (5,0) , and (3,14) .
a cuboid with square base has a volume of (147p-245q) cubic centimeters. The length of the square bade is 7 meters. Find an expression for the height of the cuboid.
An expression for the height of the cuboid is 3p - 245q/49 meters.
How to calculate the volume of cuboid with a square base?In Mathematics and Geometry, the volume of a cuboid with a square base can be calculated by using this following formula:
Volume of a cuboid = L² × H
Where:
L represents the base area of a cuboid with a square base.H represents the height of a cuboid with a square base.By substituting the given parameters into the formula for the volume of a cuboid cuboid with a square base, we have the following;
(147p - 245q) = 7² × H
(147p - 245q) = 49 × H
Height, H = (147p - 245q)/49
Height, H = 3p - 245q/49 meters.
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Construct a polynomial function with the following properties: fifth degree, 3 is a zero of multiplicity 3,-4 is the only other zero, leading coefficient is 4.
The polynomial function with fifth degree and given zeroes is 4x⁵ - 20x⁴ + 64x³ + 324x² - 432x.
What is degree of a polynomial?The maximum power of the variable in a polynomial function is its degree. For instance, since 2 is the largest power of x, the polynomial function f(x) = 3x2 + 2x + 1 has a degree of 2. We only take into account the degree of the term with the highest power of x when a polynomial function comprises many terms. A polynomial with no x terms is a constant function, and thus has degree zero.
To determine the polynomial, we determine the zeroes.
Given that, 3 is a zero of multiplicity 3,-4 is the only other zero thus:
(x - 3)³(x + 4)
Now, for leading coefficient 4 we have:
4x(x - 3)³(x + 4)
Thus, solving the parentheses we have:
4x(x³ - 9x² + 27x - 27)(x + 4)
(4x⁴ - 36x³ + 108x² - 108x)(x + 4)
4x⁵ - 36x⁴ + 108x³ - 108x² + 16x⁴ - 144x³ + 432x² - 432x
4x⁵ - 20x⁴ + 64x³ + 324x² - 432x
Hence, the polynomial function with fifth degree and given zeroes is 4x⁵ - 20x⁴ + 64x³ + 324x² - 432x.
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You are answering three multiple-choice questions. Each question has five answer choices, with one correct answer per question. If you select one of these five choices for each question and leave nothing blank, in how many ways can you answer the questions?
There are 10 ways that you can answer the 3 questions
In how many ways can you answer the questions?Given that
Questions = 3
Options = 5
The number of many ways you can answer the questions is calculated as
Ways = OptionsCQuestions
So, we have
Ways = 5C3
Evaluate
Ways = 10
Hence, the number of ways is 10
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Given the circle below with secants JKL and NML, find the length of JK. Round to the nearest tenth if necessary.
Using the Intersecting secants theorem, the length of JK in the given diagram is 17
Intersecting secants theorem: Calculating the length of of JKFrom the question, we are to determine the length of JK in the given diagram.
The diagram shows a circle with intersecting secants.
From the Intersecting secants theorem which states that "if two secant segments are drawn to a circle from an exterior point, then the product of the measures of one secant segment and its external secant segment is equal to the product of the measures of the other secant segment and its external secant segment".
Then,
We can write that
JK × KL = NM × ML
From the given diagram,
KL = 14
NM = 14
ML = 17
Substituting the values
JK × 14 = 14 × 17
JK = (14 × 17) / 14
JK = 17
Hence, the length of JK is 17
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please help me solve this
From the calculations, only question 2 shows that f(x) is the inverse of function g(x) as the rest shows the parent functions are not inverse of g(x)
What are the inverse of the functionIn the given question, we are to determine if the parent function f(x) is an inverse to g(x).
1. f(x) = 2x - 9
To find the inverse function, swap x and y, and solve the resulting equation for x.
If the initial function is not one-to-one, then there will be more than one inverse.
Let's switch the variables: y = 2x - 9 to x= 2y - 9.
We can proceed to solve the equation as;
x =2y - 9 for y.
y= x + 9 / 2
Therefore, f(x) is not an inverse of g(x)
2. f(x) = x - 3 / 4
To find the inverse function, swap x and y, and solve the resulting equation for x.
If the initial function is not one-to-one, then there will be more than one inverse.
Let's switch the variables:
y = x / 4 - 3/4 to x = y / 4 - 3/4
we can solve the equation for y to give us;
y = 4x + 3
This shows that f(x) is inverse of g(x)
4. f(x) = 7x^3/2 - 4
To find the inverse function, swap x and y and solve the resulting equation for x
If the initial function is not one-to-one, then there will be more than one inverse.
So, swap the variables:
y = 7x^3/2 - 4 will become x = 7y^3/2 - 4
Solving for y;
y = [(∛7(x + 4))^2/3] / 7
This shows f(x) is not the inverse of g(x)
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Select the correct answer.
Which function defines (g - f)(x)?
Answer:
Option A
Concept Applied:
(g-f)(x) = g(x)-f(x)
Step-by-step explanation:
Substitute and solve
What are the roots of the quadratic equation x² + 4x + 7 = 0?
A) 2 + i√3 or 2 - i√3
B) x = -2 + i√3 or -2 - i√3
C) x = -7 or 1
D) non of above
Answer:
The roots of the quadratic equation x² + 4x + 7 = 0 can be found using the quadratic formula: x = (-b ± √(b² - 4ac)) / 2a
In this case, a = 1, b = 4, and c = 7. Substituting these values into the formula, we get:
x = (-4 ± √(4² - 4(1)(7))) / 2(1)
x = (-4 ± √(16 - 28)) / 2
x = (-4 ± √(-12)) / 2
x = (-4 ± 2i√3) / 2
x = -2 ± i√3
Therefore, the roots of the equation x² + 4x + 7 = 0 are: A) 2 + i√3 or 2 - i√3.
So, the correct answer is A
Help me solve this problem
Answer:
[tex]-i\sqrt{7}[/tex]
Step-by-step explanation:
We can write this expression as:
[tex]-\sqrt{-1 \cdot 7}[/tex]
From here, we can take the square root of negative 1 ([tex]i[/tex]):
[tex]\boxed{-i\sqrt{7}}[/tex]
No further simplification can be done.
What is the slope of the line that passes through the points (-9, 7) and (8, -6)?
Answer: -13/17
Step-by-step explanation: To find the slope of the line that passes through the points (-9, 7) and (8, -6), you can use the slope formula:
slope = (y2 - y1) / (x2 - x1)
where (x1, y1) = (-9, 7) and (x2, y2) = (8, -6)
Substituting the values in the formula, we get:
slope = (-6 - 7) / (8 - (-9))
slope = -13 / 17
Therefore, the slope of the line that passes through the points (-9, 7) and (8, -6) is -13/17.
Answer:
[tex]\frac{-14}{17}[/tex]
Step-by-step explanation:
Slope is the change in y's (-9,7) (8,-6) over the changes in x's (-9,7)(8,-6). You find the changes by subtraction
[tex]\frac{-6-7}{8-(-9)}[/tex] = [tex]\frac{-14}{8+9}[/tex] = [tex]\frac{-14}{17}[/tex]
Helping in the name of Jesus.
Pranav and Jill are selling pies for a school findraiser, Customers can buy apple pies and blackborry pies. Pranav sold S apple ples and 4 blackberry pies for a total of 8140, Ill sold o apple pies and 4 blackberry pies for a total of $152. What is the cost each of one apple tie and one blackberry pie?
Answer:
Let the cost of one apple pie be A and the cost of one blackberry pie be B.
From the first statement, we can write the equation:
SA + 4B = 8140 ----(1)
From the second statement, we can write the equation:
4*B = 152
Solving for B:
B = 38
Substituting B in equation (1) and solving for A:
SA + 438 = 8140
S*A = 8008
A = 8008/S
We do not have enough information to find the value of S or A individually, but we can find the relationship between them:
A/B = (8008/S)/38 = 211/S
Therefore, the cost of one apple pie is 211 times the cost of one blackberry pie.
which value of m in the number set makes the inequality 5m > 60 true?
The solution set of the inequality is:
m > 12
Which values of m make the inequality true?Here we want to solve the inequality:
5m > 60
To find the solution set of the inequality, we need to isolate the variable, m, in one of the sides of it.
To do so, divide both sides by 5, we will get:
5m/5 > 60/5
m > 12
So any value of m that is larger than 12 is a solution.
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A carton of carrot juice displays the
nutritional information shown below.
How many grams of sugar are there in a
200 ml glass of juice?
Carrot juice
250 ml contains
Carbohydrate
Sugar
Protein
25.5 g
| 24.5 g
| 0.8 g
The mass of the sugar that is contained in the juice is 19.6 g.
What is proportion?In mathematics, a proportion is a statement that two ratios are equal. A ratio is the relationship between two quantities, usually expressed in the form of a fraction.
To solve a proportion, you can use cross-multiplication. Cross-multiplication involves multiplying the numerator of one ratio by the denominator of the other ratio, and vice versa.
We know that;
24.5 g of sugar is contained in 250 ml of the juice
x g of sugar is contained in 200 mL of the juice
x = 24.5 * 200/250
x = 19.6 g
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What is the solution to this equation? 3.1 = -0.5 + 0.3x A:x=6 B:x=3 C:x=12 C:x=0.8
Required solution of the given equation 3.1 = -0.5 + 0.3x is x = 12.
What is equation?
A mathematical statement that asserts that two expressions are equal is called equation
. It is consist of variables, constants, and mathematical operations such as , subtraction, addition, division, multiplication . We can use equations in mathematics to model real-world situations or to solve problems. It can also be used to express relationships between quantities, to find unknown values, and to test hypotheses. Equations can be written in various forms, such as linear, exponential, trigonometric ,quadratic. Equation depends on the type of relationship being modeled.
Here given equation is 3.1 = -0.5 + 0.3x.
We are Simplifying it,
[tex]3.1 + 0.5 = 0.3x \\ 0.3x = 3.6 \\ x = \frac{3.6}{0.3} \\ x = 12[/tex]
So, required solution of the given equation is 12.
Therefore, option C is the correct answer.
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Correct question is "What is the solution to this equation? 3.1 = -0.5 + 0.3x A:x=6 B:x=3 C:x=12 D:x=0.8".
A certain car was purchased for $28,500. The car
has a resale value of $17,500 after a useful life of 6
years. What is the annual depreciation expense for
this car?
Annual depreciation expense = $ [ ? ]
Round to the nearest hundredth.
The annual depreciation expense for this car is $1,833.33.
What is the depreciation formula?Simply deduct the vehicle's current fair market value from the purchase price, less any applicable sales tax or fees, to determine how much value has been lost.
We must determine the total depreciation throughout the vehicle's useful life and divide it by the number of years to determine the annual depreciation expense:
Total depreciation = purchase price - resale value
= $28,500 - $17,500
= $11,000
Annual depreciation expense = total depreciation / useful life = $11,000 / 6 = $1,833.33 (rounded to the nearest hundredth)
Therefore, the annual depreciation expense for this car is $1,833.33.
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DYN
MEDICIN
r
5
In the table below, fill in the empty cell with the corresponding exact measures in radian or degrees.
Angle measure in
radians
9rt/5
3π/4
Angle measure in
degrees
20
275
Angle measure in radians 9π/5 3π/4
Angle measure in degrees 324° 135°
Note:
9π/5 can also be written as 1.8π radians or 324 degrees
3π/4 can also be written as 0.75π radians or 135 degrees
The table provides values for angle measures in radians and degrees. To convert between radians and degrees, The exact measures in radians for 9rt/5 is 3π/5 and for 3π/4 is 135°. The exact measure in radians for 20 degrees is π/9 and for 275 degrees is 55π/36.
What is angle?An angle is a geometric figure formed by two rays or line segments that share a common endpoint, known as the vertex. It is used to measure the amount of rotation between the two rays or line segments.
What is Radian?A radian is a unit of measure for angles, where the measure of the central angle is equal to the length of the corresponding arc on the unit circle. It is equal to approximately 57.3 degrees.
According to thw given information:
The table displays measures of angles in radians and degrees. Radians are a unit of measurement for angles, and they relate the length of the arc of a circle to the radius of that circle. One radian is equivalent to the angle subtended at the center of a circle by an arc equal in length to the radius of the circle. Pi radians, or 180 degrees, represent a straight angle.
In the table, the first angle measure in radians is given as 9√5, which is an exact measure. The second angle measure in radians is given as 3π/4, which represents a quarter of the circumference of the circle, and is equal to 45 degrees. The first angle measure in degrees is given as 20°, which is the equivalent of π/9 radians, and the second angle measure in degrees is given as 275°, which is equivalent to 55π/36 radians.
Knowing how to convert between radians and degrees is important in many mathematical calculations, especially those involving trigonometry. Understanding the relationship between these units of measure can help to solve problems in many areas of mathematics and science.
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Simplify the expression. 1/4(13y-3)+1/8(6y+9)
Answer:
The answer in the simplest form is (32y-3)/8
Step-by-step explanation:
1/4(13y-3)+1/8(6y+3)
13y/4-3/4+6y/8+9/8
(13y-3)/4+(6y+9)/8
[2(13y-3)+(6y+9)]/8
[26y-6+6y+9]/8
C.L.T
[26y+6y-6+9]/8
(32y-3)/8
12. Math on the Spot Libby puts a mat of width m and
a frame of width faround an 8-inch by 10-inch picture.
Find an expression for the perimeter of the entire frame.
Answer:
The perimeter of the entire frame is equal to the sum of the perimeters of the mat and the picture. The expression for the perimeter of the mat is (2m + 10) + (2m + 8) = 4m + 18, and the expression for the perimeter of the picture is 2(8) + 2(10) = 36. Therefore, the expression for the perimeter of the entire frame is (4m + 18) + 36 = 4m + 54.
Someone help pls
A back-to-back stem-and-leaf-plot showing the points scored by each player on two different basketball teams is shown below.
The median number of points scored for each team is given as follows:
Team 1: 13.5.Team 2: 11.How to obtain the median of a data-set?The median of a data-set is the middle value of a data-set, the value of which 50% of the measures are less than and 50% of the measures are greater than. Hence, the median also represents the 50th percentile of a data-set.
Considering the stem-and-leaf plot, the data-sets for each team are given as follows:
Team 1: 4, 7, 8, 11, 13, 14, 20, 21.Team 2: 2, 9, 10, 10, 12, 13, 16, 22.Team 1 has an even number of games, hence the median is given by the mean of the two middle elements, as follows:
Median = (13 + 14)/2 = 13.5.
For team 2, the median is given as follows:
Median = (10 + 12)/2 = 11.
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Please see the attached
The amount in the account at the end of the year is $4998.
What is percentage decrease?Percentage decrease is the measure of the reduction in the value of a quantity over time, expressed as a percentage of its original value. It is calculated by taking the difference between the original value and the new value, dividing it by the original value, and then multiplying the result by 100.
We know that;
Percentage decrease = 26.5%
Then the decrease in dollars = 26.5/100 * 6800
= $1802
The amount at the end of the year = $6800 - $1802
= $4998
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Graph the line with slope 3 passing through the point (5, 3)
A graph of the line with slope 3 passing through the point (5, 3) is shown in the image attached below.
How to determine an equation of this line?In Mathematics and Geometry, the point-slope form of a straight line can be calculated by using the following mathematical expression:
y - y₁ = m(x - x₁)
Where:
x and y represent the data points.m represent the slope.At data point (5, 3) and a slope of 3, a linear equation for this line can be calculated by using the point-slope form as follows:
y - y₁ = m(x - x₁)
y - 3 = 3(x - 5)
y = 3x - 15 + 3
y = 3x - 12
In conclusion, we would use an online graphing calculator to plot the equation y = 3x - 12 as shown in the graph attached below.
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A chess board is made using the ratio of square length to king's height, 3.5 inches to 4.5 inches. If a chess board is made with a king's height of 2.25 inches, what is the length of the square?
The length of the square is 1.75 inches, while the king's height is 2.25 inches.
Define length.
The length of an object or the extent of a one-dimensional object along its longest dimension is measured physically. It is a basic idea in physics and geometry and is frequently expressed in terms of meters (m), centimetres (cm), feet (ft), or inches (in).
According to the information provided, the square length to king's height ratio is 3.5 to 4.5 inches. Let's use this ratio to determine the square's length when the king is 2.25 inches tall.
We may make a proportion to get the square's length:
(square length) / (king's height) = 3.5/4.5
king's height = 2.25
Let's substitute the given values:
(square length) / 2.25 = 3.5/4.5
To solve for the length of the square, we can cross-multiply:
(square length) = (2.25) x (3.5/4.5)
(square length) = 1.75
Therefore, the length of the square is 1.75 inches, while the king's height is 2.25 inches.
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I DONT GET THIS HELP ME PLEASE. there are 6 spots for every what eyes. there are what sports for 1 eye
The ratio of spots to eyes can be described as follows;
There are 6 spots for every 2 eyes.
There are 3 spots for every 1 eye.
What is a ratio?In Mathematics and Geometry, a ratio can be defined as a mathematical expression that's used to denote the proportion of two (2) or more quantities with respect to one another and the total quantities.
Based on the information provided above, we have the following ratio parameters:
The total number of spots = 6 spots.
The total number of eyes = 2 eyes.
Ratio = 6/2 = 3 spots.
In this context, we can reasonably infer and logically deduce that there are 6 spots for every two (2) eyes and three (3) spots for every one (1) eye.
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Complete Question:
Use the following image to complete the sentences describing the ratio of spots to eyes.
There are 6 spots for every ____ eyes.
There are _____ spots for every 1 eye.
Evaluate the limit
And show your work pleaseee
Answer:0
Step-by-step explanation: -
-7 x -7 = 49
11 x 77 = 77
-7 + 7 = 0
49 + 77 + 28 = 154
154 ÷ 0 = 0
