The data suggests that the model is exponential.
When we look at the values of y, we see that they are increasing at a much faster rate as x increases. For example, when x increases from 1 to 2, y doubles from 5 to 10, and when x increases from 3 to 4, y doubles from 20 to 40. This is a characteristic of exponential growth where the rate of increase gets larger and larger as the quantity being measured gets larger.
We can also see this by looking at the ratio of consecutive terms in the y values. For example, the ratio of y(1) to y(0) is 5/2.5 = 2, and the ratio of y(2) to y(1) is 10/5 = 2, indicating a constant ratio. This is a characteristic of exponential functions where the ratio between consecutive terms is constant.
Therefore, based on the rapid growth rate and the constant ratio of consecutive terms, we can conclude that the model for this data is exponential.
To learn more about Exponential here
https://brainly.com/question/31358866
#SPJ4
Write the number in standard form. (8 × 10) + (1 × 1/10 ) + (6 × 1/1000 )
We can simplify the given expression first and then write it in standard form.
8 × 10 = 80
1 × 1/10 = 1/10
6 × 1/1000 = 6/1000 = 3/500
Adding these three values, we get:
80 + 1/10 + 3/500
To write this in standard form, we need to express it as a single number multiplied by a power of 10. We can do this by finding a common denominator for the fractions and adding them:
80 + 50/500 + 3/500 = 80 + 53/500
Now, we can write this as:
80.106
To express this in standard form, we move the decimal point to the left until there is only one non-zero digit to the left of the decimal point. We moved the decimal point 3 places to the left to get:
8.0106 × 10^1
Therefore, the number in standard form is 8.0106 × 10^1.
Nate jumped 26 inches. Maria jumped 32 inches.
How much farther did Maria jump than Nate?
Drag numbers and symbols to the lines. Write an equation to represent the problem. Use for the unknown.
26
32
.
+
Maria jumped 6 inches farther than Nate.
To see why, we can subtract Nate's jump height from Maria's jump height:
32 - 26 = 6
So Maria jumped 6 inches farther than Nate did.
To represent this problem mathematically, we can use the equation:
Maria's jump height - Nate's jump height = the difference in their jump heights
Or, using variables:
M - N = D
Where M represents Maria's jump height, N represents Nate's jump height, and D represents the difference between their jump heights. Plugging in the numbers from the problem, we get:
32 - 26 = D
Simplifying, we get:
6 = D
So D, the difference between their jump heights, is 6 inches.
To know more about jump height, refer to the link below:
https://brainly.com/question/29155594#
#SPJ11
Clara's class is preparing for a field trip. Her teacher purchased bottled water for the trip and asked Clara to stock a cooler with 2 bottles for every student who is going. 5 of the students didn't turn in permission slips and aren't going on the trip. So, Clara stocks the cooler with 38 bottles of water.
Which equation can you use to find the total number of students, n, in Clara's class?
The equation that can be used to find the total number of students would be n = 19 + 5.
How to find the equation ?It is acknowledged that Clara provided 2 bottles per each pupil joining her on the excursion. Denote, by using ‘x’, the quantity of learners present; we can then inscribe the succeeding formula:
2x = 38
By resolving this mathematical principal, the total number of students attending the event is revealed.
x = 38 / 2
x = 19
Currently, 19 individuals are confirmed to embark upon the outing, due to five individuals failing to furnish required consent forms and will be absent. Subsequently, we may deduce the quantity of pupils (designated as ‘n’) in Clara’s class:
n = 19 (students going on the trip ) + 5 ( students not going )
n = 19 + 5
Find out more on equations at https://brainly.com/question/25976025
#SPJ1
Luis tiene una mochila de ruedas que mide 3.5 pies de alto cuando se extiende el mango. Al hacer rodar su mochila, la mano de Luis se encuentra a 3 pies del suelo. ?Qué ángulo forma su mochila con el suelo? Aproxima al grado más cercano.
The backpack forms an angle of approximately 15 degrees with the ground.
What is Pythagorean theorem?
The Pythagorean theorem is a fundamental concept in mathematics that relates to the lengths of the sides of a right triangle.
To find the angle that Luis's backpack forms with the ground, we can use the inverse tangent function.
The height of the backpack when the handle is extended is 3.5 feet, and the distance from the ground to Luis's hand is 3 feet. So the opposite side of the triangle is 3.5 - 3 = 0.5 feet, and the adjacent side is the distance from Luis's hand to the backpack, which we can call x.
Using the tangent function, we have:
tan(theta) = opposite/adjacent
tan(theta) = 0.5/x
To solve for x, we can use the Pythagorean theorem:
x² + 3² = (3.5)²
x² = 3.5² - 3²
x² = 3.25
x = sqrt(3.25)
x ≈ 1.8 feet
Now we can substitute x into our tangent equation and solve for theta:
tan(theta) = 0.5/1.8
theta = arctan(0.5/1.8)
theta ≈ 15 degrees
Therefore, the backpack forms an angle of approximately 15 degrees with the ground.
To learn more about Pythagorean theorem from the given link:
https://brainly.com/question/14930619
#SPJ1
For which values of k would be the pruduct of k/3x12 be greater than 12
The product (k/3) x 12 is greater than 12 for values of k greater than 3.
To determine the values of k for which the product (k/3) x 12 is greater than 12, follow these steps:
Step 1: Set up the inequality:
(k/3) x 12 > 12
Step 2: Simplify the inequality by dividing both sides by 12:
(k/3) > 1
Step 3: Multiply both sides by 3 to solve for k:
k > 3
So, the product (k/3) x 12 is greater than 12 for values of k greater than 3.
Learn more about inequality,
https://brainly.com/question/25944814
#SPJ11
Help with question in photo please
Answer:
124°
Step-by-step explanation:
You want the measure of the angle marked (4+10x) where chords cross. The chords intercept arcs marked (9x+20) and (10x).
Angle relationThe measure of the angle where chords cross is the average of the measures of the intercepted arcs.
((9x +20) +(10x))/2 = 4 +10x
19x +20 = 20x +8 . . . . . . . . . multiply by 2
12 = x . . . . . . . . . . . . . . subtract (19x+8)
The angle at E is ...
4 +10(12) = 124
The measure of angle DEC is 124°.
__
Additional comment
Arc DC is 128°; arc BU is 120°.
Look at picture please
Answer:
135.6 cubic centimeters
Step-by-step explanation:
To find the volume of soda in the cylindrical glass, we need to first find the volume of the glass and then multiply it by 60% to get the volume of soda. The formula for the volume of a cylinder is V = πr^2h, where r is the radius and h is the height.
Substituting the given values, we get:
V = π(3 cm)^2(8 cm) = 72π cm^3
To find the volume of soda, we multiply the volume of the glass by 60% or 0.6:
Volume of soda = 0.6 x 72π cm^3 = 43.2π cm^3
Rounding to the nearest tenth, we get:
Volume of soda ≈ 135.6 cm^3
Therefore, there are approximately 135.7 cubic centimeters of soda in the glass
Answer: 226.3
Step-by-step explanation:
Hello! Here is how to solve this problem.
The formula for volume of a cylinder is V(c) = (B)(h)
The height is 8 cm, and the radius is 3 cm. The base is a circle, so the base area will be 22/7(r)^2. Pi is represented as 3.14 or 22/7, but 22/7 is more accurate.
V(c) = 22/7((3)^2)(8)
V(c) = 22/7(9 x 8)
V(c) = 22/7(72)
V(c) = 226.285714.
So, rounded to the nearest tenth, the volume of the soda can is 226.3 cm^3.
Tips for you:
1. Round to the nearest tenth
2. Use 22/7 for pi unless it says to use 3.14 for pi or use the symbol for pi instead of solving further.
Hope this helps, have a great day!
1. In a nation centre, the administrative fee is RM30 per student. The tuition fee is RM45 per subject for language subjects and RM40 per subject for other subjects.
(a) Express the total payment. J. for a student who registers for m language subjects and n other subjects.
(b) Zaleha registers for 3 language subjects and 2 other subjects. How much does she have to pay?
(c) Chan pays RM280 when she registers for 2 language subjects and p other subjects. Find the value of p.
2. The diagram shows a right pyramid with a square base.
(a) Form a formula by using the surface area of the pyramid, L,as the subject of the formula.
(b) Calculate the surface area of the pyramid if a 10 and b = 12.
(c) If L=192 and a=b, find the value of a
Answer:
Step-by-step explanation:
(a) The total payment for a student who registers for m language subjects and n other subjects can be expressed as:
Total payment = Administrative fee + Tuition fee for language subjects + Tuition fee for other subjects
Total payment = RM30 + RM45m + RM40n
Total payment = RM30 + 45m + 40n
(b) For Zaleha who registers for 3 language subjects and 2 other subjects, the total payment can be calculated as:
Total payment = RM30 + (3 x RM45) + (2 x RM40)
Total payment = RM30 + RM135 + RM80
Total payment = RM245
(c) Chan pays RM280 when she registers for 2 language subjects and p other subjects. We can use the formula derived in part (a) to find the value of p:
Total payment = RM30 + (2 x RM45) + (p x RM40)
RM280 = RM30 + RM90 + RM40p
RM280 - RM120 = RM40p
RM160 = RM40p
p = 4
Therefore, Chan registers for 2 language subjects and 4 other subjects.
(a) The surface area of a right pyramid with a square base can be calculated as:
L = base area + 1/2 x perimeter of base x slant height
The base of the pyramid is a square, so its area can be expressed as:
Base area = a^2
The perimeter of the base can be calculated as:
Perimeter of base = 4a
The slant height can be calculated using the Pythagorean theorem:
slant height = sqrt(h^2 + (a/2)^2)
where h is the height of the pyramid.
Substituting these values in the surface area formula, we get:
L = a^2 + 1/2 x 4a x sqrt(h^2 + (a/2)^2)
L = a^2 + 2a x sqrt(h^2 + (a/2)^2)
(b) If a = 10 and b = 12, then the surface area of the pyramid can be calculated as:
L = 10^2 + 2 x 10 x sqrt(h^2 + (10/2)^2)
L = 100 + 20sqrt(h^2 + 25)
Given that L = 192, we can solve for h:
192 - 100 = 20sqrt(h^2 + 25)
92 = 20sqrt(h^2 + 25)
4.6 = sqrt(h^2 + 25)
4.6^2 - 25 = h^2
h^2 = 2.76
h = sqrt(2.76)
h ≈ 1.66
Substituting these values in the surface area formula, we get:
L = 10^2 + 2 x 10 x sqrt(1.66^2 + (10/2)^2)
L ≈ 314.9
Therefore, the surface area of the pyramid is approximately 314.9 square units.
(c) If L = 192 and a = b, then the surface area formula can be simplified as:
L = a^2 + 2a x sqrt(h^2 + (a/2)^2)
192 = a^2 + 2a x sqrt(h^2 + (a/2)^2)
We also know that the height of the pyramid is equal to the side length of the triangular faces. Since the pyramid is a right pyramid, the height and slant height are related by the Pythagorean theorem:
h^2 + (a/2)^
to
Mrs. James, a sixth grade teacher, recorded how many minutes
each student reported reading over winter break.
Time spent reading (min.)
0
H
200.
What was the upper quartile of the time spent reading?
minutes
Submit
100
H
300.
400
+
500
The upper quartile of the time spent reading is 300.
We have,
The upper quartile, also known as the third quartile, is a measure of central tendency that divides a data set into four equal parts.
It represents the data point that separates the top 25% of the data from the bottom 75%.
Now,
From the box pot.
Median = 250
Lower quartile = 100
Upper quartile = 300
Thus,
The upper quartile is 300.
Learn more about the interquartile range here:
https://brainly.com/question/29204101
#SPJ1
Each letter in these following problems will be transformed into a number based on their number in the alphabet. Solve these following problems based on this information.
1) n + e
2) t-j
3) d x e
4) p/b
The solution to the problems are given below:
n + e = 14 + 5 = 19t - j = 20 - 10 = 10d x e = 4 x 5 = 20p / b = 16 / 2 = 8How to solveGiving each of the letters numbers based on their numerical position on the English alphabet, we can solve below:
n (14) + e (5) = 14 + 5 = 19
t (20) - j (10) = 20 - 10 = 10
d (4) x e (5) = 4 x 5 = 20
p (16) / b (2) = 16 / 2 = 8
It can be seen that with the letter e for example is the 5th letter of the alphabet and the value is used to compute the addition of the problem.
Read more about addition here:
https://brainly.com/question/778086
#SPJ1
Now that you learned how to calculate the probabilities of each player winning the "maximum game" in the video, let's look at the probabilities of another game. this is how it works: we roll two dice and calculate the multiplication of the two numbers we rolled. --if it is a multiple of 6, i win --if it is not a multiple of 6, you win. here is an example: if you get 3 and 4, the multiplication is 12. twelve is a multiple of 6, so i win! 1. which player would win if you get 2 and 5 in the dice? me or you? 2. which player would win if you get 4 and 2 in the dice? 3. which player would win if you get 1 and 6 in the dice?
1) If you get 2 and 5, the multiplication is 10, which is not a multiple of 6. so, you would win.
2) If you get 4 and 2, the multiplication is 8, which is not a multiple of 6. so, you would win.
3) If you get 1 and 6, the multiplication is 6, which is a multiple of 6. so, I would win.
1) How to find the probability?The question asks about probability which player would win if the numbers rolled are 2 and 5. To answer this, we calculate the product of 2 and 5, which is 10. Since 10 is not a multiple of 6, the person who did not roll the dice (i.e., "you") would win.
2) How to find the probability?The question asks which player would win if the numbers rolled are 4 and 2. We calculate the product of 4 and 2, which is 8. Since 8 is not a multiple of 6, "you" would win again.
3) How to find the probability?The question asks which player would win if the numbers rolled are 1 and 6. We calculate the product of 1 and 6, which is 6. Since 6 is a multiple of 6, the person who rolled the dice (i.e., "me") would win.The game described in the question involves rolling two dice and calculating the multiplication of the two numbers rolled. The outcome of the game depends on whether the product is a multiple of 6 or not.
The solution also provides a general explanation of how to calculate the probability of rolling a multiple of 6 with two dice. To do this, we count the number of ways to roll each multiple of 6 (there are two ways to roll a 6, one way to roll a 12, and no ways to roll an 18) and divide by the total number of possible outcomes (which is 36, since there are 6 possible outcomes for each die and 6*6=36 possible combinations of two dice). This gives us a probability of 1/12, or approximately 0.0833, for rolling a multiple of 6. We can then calculate the probability of not rolling a multiple of 6 by subtracting this probability from 1, which gives us 11/12, or approximately 0.9167.
Learn more about probability
brainly.com/question/11234923
#SPJ11
find the area of each polygon below b=6 h=9 ft h =10cm b = 8 h=8m b=9m
dont guess, due in a few minuets
For a proper use of unit multipliers to convert 24 square feet per minute, the right choice is A.
How to determine conversion?The proper use of unit multipliers to convert 24 square feet per minute to square inches per second is:
24 ft²/1 min × 12 in/1 ft × 12 in/1 ft × 1 min/60 sec = (24 × 12 × 12)/(1 × 1 × 60) in²/sec
Thus, when these conversion factors are multiplied by the specified value of 24 ft²/1 min:
24 ft²/1 min . 12 in/1 ft . 12 in/1 ft . 1 min/60 sec
= (24 x 12 x 12) in² / (1 x 1 x 1) min x (1 x 1 x 60) sec
= 4,608 in²/sec
Therefore, the correct answer choice is:
24 ft²/1 min . 12 in/1 ft . 12 in/1 ft . 1 min/60 sec.
Find out more on unit multipliers here: https://brainly.com/question/13736702
#SPJ1
HELP!!!
What is the unit rate of this graph?
BLUE: 200 beats/minute
TEAL: 75 beats/minute
YELLOW: 100 beats/minute
RED: 150 beats/minute
5 points
You need to change a blown outdoor lightbulb on your house. The bulb is 5m up, but you have a 1m reach when you are on the top rung of the ladder. If you need 3m of
space off the house for the ladder's base for stability, what is the minimum height of the ladder in meters?
The minimum height of the ladder needed to change the blown outdoor lightbulb is 5 meters.
To determine the minimum height of the ladder needed to change a blown outdoor lightbulb that is 5m up, we need to consider the following terms:
1. The bulb's height (5m)
2. Your reach when on the top rung of the ladder (1m)
3. The required space off the house for the ladder's base for stability (3m)
First, subtract your reach from the bulb's height: 5m - 1m = 4m. This means the ladder needs to reach at least 4 meters up the wall.
Next, we need to use the Pythagorean theorem to find the ladder's minimum height. The theorem states that in a right-angled triangle, the square of the length of the hypotenuse (the ladder) is equal to the sum of the squares of the lengths of the other two sides (the distance from the house and the height up the wall).
Let's denote the ladder's height as L, the distance from the house as A (3m), and the height up the wall as B (4m).
According to the Pythagorean theorem, we have:
L² = A² + B²
Substitute the values for A and B:
L² = (3m)² + (4m)²
L² = 9m² + 16m²
L² = 25m²
Now, find the square root to get the minimum height of the ladder:
L = √25m²
L = 5m
So, the minimum height of the ladder needed to change the blown outdoor lightbulb is 5 meters.
To know more about minimum height refer here:
https://brainly.com/question/15240079
#SPJ11
Chris works at a book story she earn $7. 50 per h hour plus a $2 bonus for each book she sells chris sood 15 books she want to earn the minimum of $300 which Inequality represents the situation in what quantities are true for h
Chris must work at least 36 hours to earn a minimum of $300, assuming she sells 15 books and earns the $2 bonus for each book sold.
The inequality that represents the situation is: 7.50h + 2(15) ≥ 300 where "h" represents the number of hours Chris works, and "2(15)" represents the bonus earned for selling 15 books.
The left-hand side of the inequality calculates Chris's total earnings, which is the product of her hourly wage of $7.50 and the number of hours worked, plus the bonus earned for selling 15 books.
The inequality states that the total earnings must be greater than or equal to $300, which is the minimum amount Chris wants to earn. To solve the inequality, we can simplify it by first multiplying 2 and 15 to get 30: 7.50h + 30 ≥ 300
We can isolate "h" by subtracting 30 from both sides: 7.50h ≥ 270. we can solve for "h" by dividing both sides by 7.50: h ≥ 36.
Learn more about inequality here:
https://brainly.com/question/28823603
#SPJ4
The amount of money required to support a band field trip is directly proportional to the number of members attending the field trip and inversely
proportional with the fundraising money each member raised. If 100 members attend the field trip and each member raised $15. 00 through fundraising, the
field trip would cost $2,000. How much would the field trip cost if 150 members attend and each member raises the same amount through fundraising?
Cost of field trip remains $2,000 with 150 members
Field trip cost with 150 members?We can set up a proportion to solve for the cost trip with 150 members attending:
Let x be the cost of the field trip for 150 members attending.
The amount of money required is directly proportional to the number of members attending, so we can write:
[tex]100 : 150 = 2000 : x[/tex]
The amount of money required is also inversely proportional to the fundraising money each member raised. Each member raised $15.00 through fundraising, so we can write:
[tex]15 : 15 = x : 2000[/tex]
Simplifying the second proportion, we have:
[tex]1 : 1 = x/2000[/tex]
Multiplying both sides by 2000, we get:
[tex]x = 2000[/tex]
Therefore, the cost of the field trip with 150 members attending and each member raising $15.00 through fundraising would also be $2,000.
Learn more about cost trip
brainly.com/question/18249048
#SPJ11
In rhombus YZAB, if YZ=12, find AB.
The length of side AB is also 12 units.
What is a rhombus?
A rhombus is a four-sided quadrilateral with all sides of equal length. It is also known as a diamond or a lozenge. In a rhombus, opposite sides are parallel, and opposite angles are equal. Additionally, the diagonals of a rhombus bisect each other at right angles, meaning they intersect at a 90-degree angle and divide each other into two equal segments.
Since a rhombus has all sides of equal length, we know that YZ = AB. Therefore, if YZ = 12, we have:
AB = YZ = 12
So the length of side AB is also 12 units.
To learn more about rhombus visit the link:
https://brainly.com/question/26154016
#SPJ9
Which amount should be entered for the balance after the atm withdrawal on 6/2/18?a) $1346.42b) $1456.42c) $1536.42d) $1756.42
Unfortunately, there is no way to answer this question without more information.
We would need to know the amount of the ATM withdrawal, as well as the starting balance before the withdrawal, in order to calculate the ending balance.
For example, if the starting balance was $1500 and the withdrawal was for $50, the ending balance would be $1450.
However, if the starting balance was $1300 and the withdrawal was for $50, the ending balance would be $1250.
Without this information, we cannot determine the correct answer.
To know more about balance refer here
https://brainly.com/question/37441951#
#SPJ11
What kind of triangle has angles that measure 47, 70, and 63 degrees
Answer:
Acute triangle
Step-by-step explanation:
angles that are less than 90° are called acute
This triangle has 3 acute angles, so it is an acute triangle
On a coordinate plane, a line segment has endpoints P(6,2) and Q(3. 8). 9. Point M lies on PQ and divides the segment so that the ratio of PM-MQ is 2-3. What are the coordinates of point M?
The coordinates of point M are:
Coordinates of M = (4.5 + sqrt(34)/5, 5)
Coordinates of M = (5.86, 5)
To find the coordinates of point M, we first need to find the coordinates of the midpoint of segment PQ.
The midpoint of a line segment with endpoints (x1, y1) and (x2, y2) is ((x1 + x2)/2, (y1 + y2)/2).
Using this formula, we can find the midpoint of PQ as follows:
Midpoint = ((6 + 3)/2, (2 + 8)/2)
Midpoint = (4.5, 5)
Now we can use the fact that PM/MQ = 2/3 to find the coordinates of point M.
Let's start by finding the distance between P and the midpoint:
Distance between P and midpoint = sqrt((4.5 - 6)^2 + (5 - 2)^2)
Distance between P and midpoint = sqrt(4.25)
Since PM/MQ = 2/3, we know that PM is 2/5 of the total distance between P and Q, and MQ is 3/5 of the total distance.
Let's call the total distance between P and Q "d". Then we have:
PM = (2/5)d
MQ = (3/5)d
We can use these expressions to find the distance between M and the midpoint:
Distance between M and midpoint = PM - MQ
Distance between M and midpoint = (2/5)d - (3/5)d
Distance between M and midpoint = -(1/5)d
Finally, we can use the distance formula to find the coordinates of point M:
Coordinates of M = (4.5, 5) + (Distance between M and midpoint in the x direction, Distance between M and midpoint in the y direction)
In other words, the x-coordinate of M is 4.5 plus the distance between M and the midpoint in the x direction, and the y-coordinate of M is 5 plus the distance between M and the midpoint in the y direction.
We already know that the distance between M and the midpoint in the y direction is 0 (since M lies on the same horizontal line as the midpoint), so we only need to find the distance between M and the midpoint in the x direction:
Distance between M and midpoint in the x direction = sqrt((1/5)d^2)
Since d is just the distance between P and Q, we can find it using the distance formula:
d = sqrt((6 - 3)^2 + (2 - 8)^2)
d = sqrt(34)
So we have:
Distance between M and midpoint in the x direction = sqrt((1/5)(sqrt(34))^2)
Distance between M and midpoint in the x direction = sqrt(34)/5
To know more about coordinates refer to
https://brainly.com/question/17206319
#SPJ11
Let X be the number of screws delivered to a box by an automatic filling device.
Assume = 1000 and
2 = 25. There are problems with too many screws going
into the box or too few screws going into the box.
a. How many units to the right of is 1009? (5 marks)
b. What X value is 2. 6 units to the left of ? (4 marks
There are approximately 0.1480 standard deviations (or 3.7 screws) to the right of the mean when there are 1009 screws in the box. When the automatic filling device delivers 1065 screws to the box, there are approximately 2.6 standard deviations (or 65 screws) to the left of the mean.
To answer this question, we need to use the normal distribution formula.
a. To find how many units to the right of 1000 is 1009, we need to calculate the z-score:
z = (X - μ) / σ
where X = 1009, μ = 1000, and σ = 25.
z = (1009 - 1000) / 25 = 0.36
Using a standard normal distribution table or calculator, we can find that the probability of getting a z-score of 0.36 or higher is 0.3520.
To convert this probability to units to the right of the mean, we subtract it from 0.5 (which represents the area to the left of the mean):
units to the right = 0.5 - 0.3520 = 0.1480
Therefore, there are approximately 0.1480 standard deviations (or 3.7 screws) to the right of the mean when there are 1009 screws in the box.
b. To find the X value that is 2.6 units to the left of the mean, we can rearrange the formula:
X = μ - zσ
where z = -2.6 (since we want units to the left of the mean) and μ and σ are the same as before.
X = 1000 - (-2.6) * 25 = 1065
Therefore, when the automatic filling device delivers 1065 screws to the box, there are approximately 2.6 standard deviations (or 65 screws) to the left of the mean.
To know more about standard deviations refer here:
https://brainly.com/question/23907081
#SPJ11
PLEASE HELP MEH
A 1,700-foot support wire is attached to
the top of an 800-foot radio tower.
1,700 ft
800 ft
А
B
A scale drawing of the tower and wire is
drawn using the scale 1 inch: 250 feet.
On the scale drawing, what is the length,
in inches, of AB? (8. 1B, 8. 1F)
F
15 in.
Make sure to
use the scale.
G 7. 5 in.
H
6 in.
J 18 in.
We know that the length of AB on the scale drawing is 10 inches
Using the scale of 1 inch: 250 feet, we can find the length of AB on the scale drawing by multiplying the actual length of AB by the scale factor.
The actual length of AB is the sum of the height of the tower (800 ft) and the length of the support wire (1,700 ft), which is 2,500 ft.
Multiplying 2,500 ft by the scale factor of 1 inch: 250 feet, we get:
2,500 ft ÷ 250 ft/inch = 10 inches
Therefore, the length of AB on the scale drawing is 10 inches.
To know more about length refer here
https://brainly.com/question/9842733#
#SPJ11
R1 and R2 be relations on a set A represented by the matrices ?
R1 and R2 are relations on a set A, which means they define a set of ordered pairs of elements in A. The matrices that represent R1 and R2 can be thought of as a way to visualize these ordered pairs.
Each row and column of the matrix corresponds to an element in A. If there is a 1 in the ith row and jth column of the matrix for R1, then (i,j) is an ordered pair in R1. Similarly, if there is a 1 in the ith row and jth column of the matrix for R2, then (i,j) is an ordered pair in R2.
If there is a 0 in a particular position in the matrix, then the corresponding pair is not in the relation.
Let R1 and R2 be relations on a set A. These relations can be represented by matrices M1 and M2, respectively, with dimensions |A|x|A|, where |A| is the cardinality of set A. The elements of the matrices M1 and M2 are binary, indicating whether there is a relation between the corresponding elements of set A in R1 and R2, respectively. If there is a relation, the matrix element will be 1, and if there is no relation, the matrix element will be 0.
To know more about set, refer to the link below:
https://brainly.com/question/13088885#
#SPJ11
This is my math hw someone help pls ?
Ignacio chooses a plant at random that does not have a white bloom. What is the probability of the complement of the event? Express your answer as a fraction in simplest form
The probability of the complement of the event of Ignacio chooses a plant at random that does not have a white bloom is 0.7692.
The probability of an occurrence is a figure that represents how likely it is that the event will take place. In terms of percentage notation, it is stated as a number between 0 and 1, or between 0% and 100%. The higher the likelihood, the more probable it is that the event will take place.
Probability is a way to gauge how likely something is to happen. Several things are difficult to forecast with absolute confidence. With it, we can only make predictions about the likelihood of an event happening, or how likely it is.
The probability that Ignacio chooses the plant which have white bloom in it is,
P = number of white bloom / total number of flowers
P = 21 / 91
So the probability that the chosen flower is not white is,
1 - P = 1 - 21/91 = 70/91 = 0.7692.
Therefore, the probability of not choosing white is 0.7692.
Learn more about Probability:
https://brainly.com/question/30859510
#SPJ4
Dominic and his parents plan to share the cost of his college education. The annual
tuition cost for the college he wants to attend is $7,260 per year. His parents will pay 80%
of the annual tuition. He has one year to save his portion of the first year's tuition. What is
the minimum monthly amount he needs to save?
Dominic will need to save a minimum of $121 per month to pay for his portion of the first year's tuition.
Dominic's parents will pay 80% of the annual tuition cost, which is:
0.8 x $7,260 = $5,808
So, Dominic will need to pay the remaining 20% of the tuition cost, which is:
0.2 x $7,260 = $1,452
Since Dominic has one year to save his portion of the tuition, he will need to save:
$1,452 / 12 months = $121 per month
Therefore, Dominic will need to save a minimum of $121 per month to pay for his portion of the first year's tuition.
To know more about cost , refer here:
https://brainly.com/question/30045916#
#SPJ11
Find the product of d = ba. d11 = d12 = d21 = d22 =
Given d = ba, we can write:
d11 = b1a1 + b2a3
d12 = b1a2 + b2a4
d21 = b3a1 + b4a3
d22 = b3a2 + b4a4
To find the product of d, we need to find the values of b and a such that d11 = d12 = d21 = d22.
Let's assume that d11 = d12 = d21 = d22 = x. Then, we have:
b1a1 + b2a3 = x
b1a2 + b2a4 = x
b3a1 + b4a3 = x
b3a2 + b4a4 = x
We can solve for b1, b2, b3, and b4 in terms of a1, a2, a3, and a4:
b1 = (x - b2a3)/a1
b2 = (x - b1a1)/a3
b3 = (x - b4a3)/a1
b4 = (x - b3a1)/a3
Substituting these values of b1, b2, b3, and b4 into the equation d = ba, we get:
d11 = x = a1(x - b1a3)/a1 + a3(x - b2a1)/a3
= x - b1a3 + x - b2a1
= 2x - (b1a3 + b2a1)
d12 = x = a2(x - b1a3)/a1 + a4(x - b2a1)/a3
= (a2/a1)x - (b1a2 + b2a4) + (a4/a3)x - (b1a4 + b2a4)
= x - (b1a2 + b2a4)
d21 = x = a1(x - b3a3)/a1 + a3(x - b4a1)/a3
= (a1/a1)x - (b3a3 + b4a3) + (a3/a3)x - (b3a1 + b4a3)
= x - (b3a1 + b4a3)
d22 = x = a2(x - b3a3)/a1 + a4(x - b4a1)/a3
= (a2/a1)x - (b3a2 + b4a4) + (a4/a3)x - (b3a4 + b4a4)
= x - (b3a2 + b4a4)
We can rewrite these equations in matrix form as:
| 2 -a3-a1 0 0 || x | | b1a3 + b2a1 |
| 0 a2 0 -a4 || | = | b1a2 + b2a4 |
| -a3-a1 0 2 -a1 || | | b3a1 + b4a3 |
| 0 -a4 -a1 2 || | | b3a2 + b4a4 |
To solve for x, we need to invert the matrix on the left and multiply it by the vector on the right:
| x | | 2 -a3-a1 0
To know more about multiply refer here
httpsbrainly.42663642#
#SPJ11
2. Rectangle WXYZ with vertices W(-3,-4), X(0,-5), Y(-2,-11),
and Z(-5, -10); 180° rotation about N(2,-3)
The rectangle WXYZ after a 180° rotation about the point N(2,-3) is W(3,-2), X(0,-1), Y(2,5), and Z(5,4).
To perform a 180° rotation about the point N(2,-3), we can follow these steps:
1. Translate the rectangle and the point N to the origin by subtracting their respective coordinates from each vertex and point.
2. Perform the rotation by multiplying the coordinates of each vertex and point by the 2x2 rotation matrix:
[cos(180°) -sin(180°)]
[sin(180°) cos(180°)]
which simplifies to:
[-1 0]
[ 0 -1]
3. Translate the rectangle and the point N back to their original positions by adding their respective coordinates to each vertex and point.
Let's apply these steps to rectangle WXYZ and point N:
1. Translate the rectangle and point N to the origin:
W' = (-3 - 2, -4 + 3) = (-5, -1)
X' = (0 - 2, -5 + 3) = (-2, -2)
Y' = (-2 - 2, -11 + 3) = (-4, -8)
Z' = (-5 - 2, -10 + 3) = (-7, -7)
N' = (2 - 2, -3 + 3) = (0, 0)
2. Perform the rotation using the matrix:
[-1 0]
[ 0 -1]
W'' = [-1 0] * [-5, -1] = [5, 1]
[0 -1]
X'' = [-1 0] * [-2, -2] = [2, 2]
[0 -1]
Y'' = [-1 0] * [-4, -8] = [4, 8]
[0 -1]
Z'' = [-1 0] * [-7, -7] = [7, 7]
[0 -1]
N'' = [-1 0] * [0, 0] = [0, 0]
[0 -1]
3. Translate the rectangle and point N back to their original positions:
W = [5 - 2, 1 - 3] = (3, -2)
X = [2 - 2, 2 - 3] = (0, -1)
Y = [4 - 2, 8 - 3] = (2, 5)
Z = [7 - 2, 7 - 3] = (5, 4)
N = [0 + 2, 0 + 3] = (2, 3)
Therefore, the rectangle WXYZ after a 180° rotation about the point N(2,-3) is W(3,-2), X(0,-1), Y(2,5), and Z(5,4).
Learn more about "rectangle": https://brainly.com/question/25292087
#SPJ11
The table gives a set of outcomes and their probabilities. Let A be the event "the outcome is greater than 1". Let B be the event "the outcome is greater than or equal to 2". Find P(A or B). Outcome Probability 1 0. 33 2 0. 19 3 0. 13 4 0. 31 5 0. 04
The probability of event A or B occurring i.e., P(A or B) is 0.67.
Given the table of outcomes and their probabilities, you need to find P(A or B), where A is the event "the outcome is greater than 1" and B is the event "the outcome is greater than or equal to 2".
1: Identify the outcomes that satisfy A or B.
A: Outcomes greater than 1: {2, 3, 4, 5}
B: Outcomes greater than or equal to 2: {2, 3, 4, 5}
A or B: Outcomes greater than 1 or greater than or equal to 2: {2, 3, 4, 5}
2: Calculate the probability of each outcome in the combined set A or B.
Outcome 2: Probability 0.19
Outcome 3: Probability 0.13
Outcome 4: Probability 0.31
Outcome 5: Probability 0.04
3: Add up the probabilities of each outcome in the combined set A or B.
P(A or B) = P(2) + P(3) + P(4) + P(5)
P(A or B) = 0.19 + 0.13 + 0.31 + 0.04
P(A or B) = 0.67
Therefore, the probability of event A or B occurring, where A is "the outcome is greater than 1" and B is "the outcome is greater than or equal to 2", is 0.67.
Learn more about Probability:
https://brainly.com/question/25839839
#SPJ11
