How do you do this? Could someone explain?

How Do You Do This? Could Someone Explain?

Answers

Answer 1
The question is asking the lateral surface area of a cylinder with radius 3 in and length 12 in.

A = 2πr*l
.. = 2π*(3 in)*(12 in)
.. = 72π in^2
.. ≈ 226 in^2 . . . . . . . . . . matches selection a)

Related Questions

The function f(x)=12,419× represents the number of vistors to a website x years after it was launched. Each year , the number of visitors is _____ the number the year before

A. 4 time
B. 0.4 times
C. 1.4 times
D. 4 more than

Answers

Answer: c for apex


Step-by-step explanation:


Answer:c is correct

Step-by-step explanation:

-1/5(x-4)=-2 solve for x plz help !!!!

Answers

the answer is x=14.......                                                     

what would 5.36 be in a fraction
Please explain how you got the answer too.

Answers

So you have 5.36
that is 5 wholes and 0.36
0.36 can be written on a fraction of 36/100
simplify it to 9/25
Now you have the mixed number
5  9/25 or to write it into an improper fraction... multiply 25 * 5 then add 9, that is 134/25.

Hope this helps
The answer would be 134/25 because if you were to plug it into a calculator, the calculator will give you this answer. You also cannot simplify this into any other thing besides 134/25

Each prize for a carnival booth costs $0.32. How many prizes can you buy with $96?


Answers

Step one: divide 96 by .32.
Step two: get 300.
Step three: 300 is the answer
you can buy 300 toys

twelve less than a third of a number is -10

Answers

I believe that number would be 6.
1/3n-12= -10
+12 +12
_________
1/3n = +2
x3 x3
_________
n = 6
1/3 x - 12 = -10
hope this helps

the polygons are similar find the values of the variables

Answers

1. The value of x is 3.96

2. The value of x is 3.75

Similar triangles are triangles with equal corresponding side ratios and equal corresponding angles.

For two triangles to be Similar, the ratio of their corresponding sides must be equal.

Using similar triangles theorem;

1. x /6 = 3.3/5

5x = 19.8

x = 3.96

2. x/1.5 = 10/4

4x = 1.5 × 10

4x = 15

x = 15/4

x = 3.75

Ms. Peterson wrote the expression below on the chalkboard for her class. She asked the students to write an equivalent expression using no more than one set of parentheses. 4(3x + 5y + 2z) + 3(x-z)
Tom wrote 12x + 20y + 8z 
Jenna wrote 5(3x + 4y + z)
Chris wrote 15x + 20y − 5z 
Which, if any, of the three students wrote an expression that is equivalent to Ms. Peterson’s expression?

Answers

The answer would be Jenna's answer. If you distribute the teachers original expression you get 15x + 20y + 5. If you distribute Jenna's answer you get just that.

Juanita keeps 25% of the profit from her ice cream shop. If the shop makes $750 per month, how much money will Juanita keep?

Answers

25%=.25
.25*750
Of equals multiply in math
Jaunita keeps 187.5

Juanita keeps 25% of the profit from her ice cream shop.

The shop makes $750 per month.

We have to find how much money Juanita will keep.

By the given condition,

Juanita will keep 25% of $750 profit

Now 25% of $750 is 25 /100 * 750

= 18750/100

= $187.50

Therefore Juanita will keep $187.50 of her total profit of $750 per month.

Hope this helps..!!

Thank you :)

Which graph shows the change in temperature of the water in the beaker y over time in minutes x?

Answers


It can’t be A, C and B, mainly because the starting temperature of the water in the beaker is not 0 but 20 degrees.

I’m not sure where the linear graph starts for at D, but if it is at 20 and follows the above criteria, including the final temperature remaining constant at 100 degrees for next 8 minutes then it is correct.








So for line of best fit, I got y=1.72x+73.35

and then I have to predict what grade a student would get if they read 15 books. Here, I got 99.15

Can someone check my work and explain if it's wrong or right?

Answers

Your work is essentially correct.

See https://brainly.com/question/8994704

If an object has two forces acting on it how can the net force equal 0

Answers

Answer: The net force can be “0” when the two forces are equal and acting in opposite directions on the object. This situation creates an equilibrium.

When two forces act on an object with opposite directions and equal magnitudes, the net force can be zero, leading to equilibrium. This state of equilibrium ensures no acceleration in any direction. Internal forces within a system always occur in opposite pairs, resulting in a net internal force of zero.

Net Force Must Be Zero: When an object has two forces acting on it, the net force can equal zero if the forces are equal in magnitude but opposite in direction, canceling each other out. This results in a balanced force system, leading to equilibrium.

Examples of Equilibrium: One example is a car moving at a constant speed on a highway due to balanced forces. In static equilibrium, both the net force and net torque on an object must be zero, showing no acceleration in any direction.

Internal Forces: Internal forces within a system always appear in equal and opposite pairs, resulting in a net internal force of zero within the system.

Use the diagram to help you solve the problem. Mark is a receptionist for Exclusive Auto Sales. His base salary is $21,000. He has a good year of customer service, so the company also gives him a 6 percent year-end bonus based on his salary. How much does Mark make, including his base salary and the year-end bonus?

Answers

Answer:

Step-by-step explanation:

Mark make $22,260 including his base salary and the year-end bonus.

What is mean by Percentage?

A number or ratio that can be expressed as a fraction of 100 or a relative value indicating hundredth part of any quantity is called percentage.

To Calculate the percent of a number , divide the number by whole number and multiply by 100.

Given that;

Mark base salary = $21,000

And, He got 6% ear-end bonus based on his salary.

Now,

Find the including his base salary and the year-end bonus as;

Since, Mark base salary = $21,000

And, He got 6% ear-end bonus based on his salary.

So, The bonus = 6% of $21,000

                       = 6/100 x 21,000

                       = 1,260

Thus, Total salary = $21,000 + $1,260

                           = $22,260

Thus, Mark make $22,260 including his base salary and the year-end bonus.

Learn more about the percentage visit:

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The social studies teacher wants to know whether the students in the entire school prefer a model United Nations activity or a student government activity. The teacher draws a random sample from the following groups:

All teachers in the school
All boys in each grade
All students in each grade
All students in the social studies club
Which group best represents the population he should take a random sample from to get the best results for his survey?


All teachers in the school
All boys in each grade
All students in each grade
All students in the social studies club

Answers

that would be number 3 on the list; All students in each grade

Answer:

All students in each grade.

Step-by-step explanation: This is the answer that givs the most variablity. Your welx if its correct :)

Trevor rode his bicycle 25 miles in 2 hours. Assuming Trevor rode at a constant speed, how many miles did Trevor ride in one hour

Answers

So for this one all you have to do is find the average. Simply do 25 divided by 2 to get 12.5 miles per hour.

Azul performed an experiment to determine which crank powered radio works best. He cranked 15 randomly selected radios of each brand 30 times at the same speed and measured how long the radios played in minutes before running out of power. The result of the experiment is displayed in the box plot below.

Answers

50% of X-Treamline Crank Radios are likely to play 30 minutes or longer after 30 cranks, while only 25% of Secure Hike Emergency Radios are likely to play 30 minutes or longer after 30 cranks

75% of secure hike emergency radios are likely to play 30 minutes or longer after 30 cranks, while only 50% of streamline crank radios are likely to play 30 minutes or longer after 30 cranks.

What is Statistics?

Statistics is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data.

Given that Azul performed an experiment to determine which crank powered radio works best he crank 15 randomly selected radios of each branch 30 times at the same speed.

He measured how long the radio played in minutes before running out pal the results of the experiment are displayed in the box plot.

The sample results show that the crank powered radio of Branch A had a slightly higher average play time than the crank powered radio of Branch B, with a median play time of around 9 minutes and a range of 4-16 minutes.

75% of secure hike emergency radios are likely to play 30 minutes or longer after 30 cranks, while only 50% of streamline crank radios are likely to play 30 minutes or longer after 30 cranks.

Hence, 75% of secure hike emergency radios are likely to play 30 minutes or longer after 30 cranks, while only 50% of streamline crank radios are likely to play 30 minutes or longer after 30 cranks.

To learn more on Statistics click:

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Azul performed an experiment to determine which crank powered radio works best. He cranked 15 randomly selected radios of each brand 30 times at the same speed and measured how long the radios played in minutes before running out of power. The result of the experiment is displayed in the box plot below.

Secure hike emergency radio 4.0 21,22,24,25,25,25,25,26,27,29,30,30,30,30,33

Streamline radio 25,25,27,28,29,30,30,30,34,36,36,38,39,42

A. 50% of streamline crank radios are likely to play 30 minutes or longer after 30 cranks, while only 25% of secure hike emergency radios ARE LIKELY to play 30 minutes or longer after 30 cranks.

B. 75% of secure hike emergency radios ARE LIKELY to play 30 minutes or longer after 30 cranks, while only 50% of streamline crank radios ARE LIKELY to play 30 minutes or longer after 30 cranks.

C. 100%of x- streamline crank radios ARE LIKELY to play 30 minutes or longer after 30 cranks, while only 25% of secure hike radios ARE LIKELY to play 30 minutes or longer after 30 cranks.

A square dartboard contains a red square and a blue square that overlap. A dart hits a random point on the board.





Express your probability as a decimal rounded to 2 decimal places.

Answers

They want to know the probability of landing in the blue and red section at the same time. In other words, they want to know the probability of landing in the purple section.

We'll need the area of the purple square. This square is 1.5 inches by 1.5 inches. This is because 4 - 2.5 = 1.5

So the purple square has an area of 1.5*1.5 = 2.25 square inches

Divide this over the total area of the largest square (which is 9x9) to get 2.25/81 = 0.02777... where the 7's go on forever

Round that to two decimal places. The final answer is 0.03

Side note: 2.25/81 is equivalent to the reduced fraction 1/36 (express 2.25/81 as 225/8100 and then divide both parts by the GCF 225)

what is the negative of -1/4

Answers

the negative of it would be the positive so the answer is 1/4
 thy answer would be
1/4

Betty earns $7.50 per hour at a part time job. Let x be the number of hours and y be the amount she earns. Betty makes a graph to show how x and y are related. If she earns $60, how many hours did she work?

Answers

she worked 8 hours

$60 / $7.50 (per hour) = 8 hours

Pat and Julie share some money in the ratio 2:5 Julie gets £45 more than pat how much money did pat get?

Answers

Final answer:

By setting up an equation based on the given ratio 2:5 and the additional information that Julie receives £45 more than Pat, we find that Pat received £30.

Explanation:

The question deals with understanding ratios and how they can be used to solve problems involving sharing amounts in specified proportions. Pat and Julie share some money in the ratio 2:5, and it's given that Julie gets £45 more than Pat. To approach this problem, let's designate the amount Pat receives as 2x and the amount Julie receives as 5x, where x is a common multiplier.

It is stated that Julie gets £45 more than Pat, which can be represented as 5x = 2x + 45.

Solving the equation for x gives us 3x = 45, hence x = 15.

To find out how much Pat received, we substitute x = 15 into 2x, giving us 2(15) = 30.

Therefore, Pat got £30.

Describe a cube.use the words faces,edges,and vertices in your description

Answers

 In geometry, a cube is a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex. The cube is the only regular hexahedron and is one of the five Platonic solids. It has 6 faces, 12 edges, and 8 vertices
a cube is a 3D shape that has 6 faces, 12 edges, and 8 vertices. each face of a cube is in the shape of a square.

What is the volume of a cube with length 4 inches? in3

Answers

The formula for a cube is l x w x h. But, these are all the same. So, you multiply 4 by 4 three times. The volume of the cube is 64^2 inches.
Remember that by definition the volume of a cube is given by:
 V = L ^ 3
 Where,
 L = length.
 We have then:
 V = (4) ^ 3
 V = 64 in ^ 3
 answer:
 The volume of a cube with length 4 inches is:
 V = 64 in ^ 3

A square has side lengths of 2x inches. An equilateral triangle has side lengths of (2x+1/3) inches. If the square and the triangle have the same perimeter, what is the value of x?

Answers

Size square × 4 = size triangle × 3
(2X × 4 ) = [(2X +1/3) × 3]

8X = [(6X+1)/3×3]
8X = 6X+1
8X -6X = 1
2X = 1
X= 1/2

Answer : The value of 'x' is [tex]\frac{1}{2}[/tex]

Step-by-step explanation :

As we know that,

The perimeter of square = 4a

The perimeter of equilateral triangle = 3s

('a' is the side square and 's' is the side of equilateral triangle)

Given:

Side of square = a = 2x

Side of equilateral triangle = s = (2x+1/3)

As per question, the square and the triangle have the same perimeter. That means,

Perimeter of square = Perimeter of equilateral triangle

4a = 3s

Now put the value of 'a' and 's', we get the value of 'x'.

[tex]4\times (2x)=3\times (2x+\frac{1}{3})[/tex]

[tex]8x=6x+1[/tex]

[tex]8x-6x=1[/tex]

[tex]2x=1[/tex]

[tex]x=\frac{1}{2}[/tex]

Therefore, the value of 'x' is [tex]\frac{1}{2}[/tex]

What is the volume of a square pyramid with a base length of 5 cm and a height of 6 cm?



Enter your answer in the box.

cm³

Answers

50cm3 its the right answer i did the math

Given is a square pyramid with a base length of 5 centimeters and a height of 6 centimeters.

The volume formula of square pyramid is given by :-

[tex] volume = \frac{1}{3} (base\; area)(height) [/tex]

Base area would be a square of side length equal to 5 centimeters.

Area of square = (side)² = 5 × 5 = 25 squared centimeters.

Now, volume of square pyramid = [tex] \frac{1}{3} (25)(6) [/tex] = 50 cubic centimeters.

So, final answer is 50 cubic centimeters.

what is the length of side YZ?

Answers

Be more specific. Like what is it asking you to do ? I'm trying to help. :)

Miranda brought 24 cookies to share with her class. Two-thirds of the cookies are chocolate chip. How many are chocolate chip?

Answers

Hey there
SO we know that the total amount that she brought is 24 cookies.
we also know that 2/3 of the cookies are choco chip.
So to find the answer we need to divide 24/3 which gives us 8 so one third of 24 is eight if we multiply 8 by two we get 16 which is 2/3 of 24.
Miranda has 24 cookies
24/3=8 , 8 represents 1/3 of the cookies
chocolate chip are two thirds 8*2=16

Write these numbers in standard notation. 3.05 x 10–3 8.92 x 106




(The subject is science)

Answers


[tex]3.05 \times {10}^{ - 3} =0.00305 \\8.92 \times {10}^{6} = 8920000[/tex]

Answer:

We have been given the two numbers:

[tex]3.05 \cdot 10^{-3}[/tex]

And [tex]8.92\cdot 10^{6}[/tex]

[tex]x^{-a}=\frac{1}{x^a}[/tex]

[tex]10^{-3}=\frac{1}{10^3}=\frac{1}{1000}[/tex]

So, [tex]3.05 \cdot 10^{-3}=\frac{3.05}{1000}[/tex]

[tex]\Rightarrow 0.00305[/tex]

And [tex]8.92\cdot 10^{6}=\frac{892}{100}\cdot {1000000}[/tex]

[tex]892\cdot 10000[/tex]

[tex]\Rightarrow 8920000[/tex]

[tex]3.05 \cdot 10^{-3}=0.00305[/tex]

[tex]8.92\cdot 10^{6}=8920000[/tex]

You bring 18oz of shampoo for 3.99 or 24oz for 5.99 WICh is the better buy explain

Answers

18 oz for 3.99 = .22 per unit
24 oz for 5.99 = .25 per unit

the 18 oz bottle is the better buy because it costs less per unit than the 24 oz bottle.

Final answer:

To decide the better purchase between two sizes of shampoo, the cost per ounce is calculated, showing that the 18oz option at $0.22 per ounce is more economical than the 24oz option at $0.25 per ounce.

Explanation:

To determine which shampoo option is the better buy, we calculate the cost per ounce for each option. Cost per ounce is calculated by dividing the total cost of the product by the total number of ounces.

For the 18oz shampoo at $3.99, cost per ounce = $3.99 / 18oz = $0.22 per ounce.

For the 24oz shampoo at $5.99, cost per ounce = $5.99 / 24oz = $0.25 per ounce.

The 18oz shampoo at $0.22 per ounce is the better buy compared to the 24oz shampoo at $0.25 per ounce because you are paying less per ounce.

5 gal × 20 mpg = ? how far can the driver travel with 5 gallons of gas

Answers

100 miles is the answer because 20 miles a gallon times 5 gallons equals 100 miles

How many prices of pie will you have if 4 banana caramel cream pies are sliced into 1/8 servings?

A.12

B.18

C.24

D.32

Answers

4 ÷ 1/8 = 4 x 8 = 32 (Answer D)
The answer is 32 slices of pie.

Write a Real-Word problem that is solved by an equation.

Answers

Two teams are playing basketball. Team 1 scored 3.5 times the number of points per basket. Team 2 scored 8 times the number of points per basket. They would have scored the same amount of points if Team 1 had scores 54 more points.
54+3.5x=8x
Subtract 3.5x from both sides to isolate the variable.
54=4.5x
divide by 4.5 on both sides
12=x
now you need to find each teams score
substitute 12 in for x
8x. 8(12) which is equal to 96.
Each teams score was 96 points. 
*since each teams score was equal, you dont have to solve for each team. You just need to solve for one. I chose the easier one to solve.
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