Consider five circles with a radii of 1, 2, 4, 8, and 16 inches. Write your answer in terms of pi r square. Compare the areas and circumference of a circle when you double the radius? What happens to the area?  What happens when you triple the radius.The table lists the radius, circumference and area.

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Answer 1
Answer: When you change the radius (multiply by k), a 1D size, the circumference is multiplied by k (1D), while the area is multiplied by k^2 (2D). I hope this helps on this problem and others.

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Hi my math teacher makes my life impossible and I have no clue how to do this thanks!

Answers

the answer is x^3 (when you have product of powers you just add them.).
            

Answer:

x3, because when you have the powers (in x6, the "6" is the power) then you add the powers. x3 + x6 = x9. So your answer is x3.

Step-by-step explanation:


The piano measures 19/4 feet long does it fit in a 5 foot long space?

Answers

Answer:

Piano fits in the given space.

Step-by-step explanation:

Given: Length of Piano = (19)/(4)\,feet

           Length of Space 5 foot

To find: If piano fits in the space or not

Piano fits in the space if its length is less than length of space .i.e., 5 foot

length of piano = (19)/(4) feet

feet is just plural of foot

So, conversion of unit not needed

Length of piano is improper fraction ( fraction whose numerator is gretaer than denominator ) So, it ca be expressed in mixed fraction.

\implies(19)/(4)=4(3)/(4)

This shows that Piano's length is more than 4 but less than 5.

Therefore, Piano fits in the given space.

Yes it would because 19/4 simplified is 4 3/4 which is less than 5 feet so it woudl fit

0.3
0.21
0.4
0.37
0.5

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That's a handsome list of numbers you've got there.

Do you have a question to ask ?

a 15 foot tall tree is next to a slide tree is casting a shadow of 20 feet and the slide is casting a shadow that is 16 feet how tall is the slide

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ok ratio and proportion
realheight:shadow=15:20

slide shadow=16
therefor find realheightslide

15:20=realheightslide:16
simplify
3:4=realheight:16
fractionfy
3/4=realheight/16
multiply both sides by 16
48/4=realheight
12=realheight


aswer is 12 feet

What is 3y = 15x - 12 in y = mx + b form ?

Answers

y=5x-4 is the equation of the line 3y = 15x - 12 in slope intercept form.

What is Slope of Line?

The slope of the line is the ratio of the rise to the run, or rise divided by the run. It describes the steepness of line in the coordinate plane.

The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.

The slope of line passing through two points (x₁, y₁) and (x₂, y₂) is

m=y₂-y₁/x₂-x₁

The given equation is  3y = 15x - 12

Three times of y equal to fifteen times of x minus twelve.

We need to convert it to slope intercept form y=mx+b to do this we have to isolate the y term and divide the equation coefficient by 3

Divide both sides by 3

y=15/3x-12/3

When fifteen is divided by three the result is five and when twelve is divided by three we get four.

y=5x-4

Hence, y=5x-4 is the equation of the line 3y = 15x - 12 in slope intercept form.

To learn more on slope of line click:

brainly.com/question/16180119

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The answer to the question is: y=5x-4

Evaluate tan-1(tan (15)

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Answer:

1.33313073483

Step-by-step explanation: