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dolphi86 [110]
3 years ago
11

PLEASE HELP

Mathematics
1 answer:
GREYUIT [131]3 years ago
4 0

Answer:

Step-by-step explanation:

Polygon A translated 5 blocks right.

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George plans to cover his circular pool for the upcoming winter season. The pool has a diameter of 20 feet and the cover extends
MariettaO [177]

For the circular cover we have:

A) The area is 379.94 ft²

B) The length of the rope must be 68.2 ft

<h3>How to get the area of the cover?</h3>

Remember that the area of a circle of radius R is given by the formula:

A = pi*R^2

Where pi = 3.14

In this case, the diameter of the pool is 20ft, then the radius is:

R = 20ft/2 = 10ft

And it must extend 12 inches beyond, then the radius of the cover must be:

R = 10ft + 12in

Now, we know that 1ft = 12 in, then we can rewrite the radius as:

R = 10ft +1ft = 11ft

Then the area of the cover is:

A = 3.14*(11ft)^2 = 379.94 ft^2

B) now we want to get the length of the rope, we know that the rope runs along the cover, then the length of the rope must be equal to the circumference of the cover.

Remember that the circumference of a circle of radius R is:

C = 2*pi*R

Then the length of the rope will be:

C = 2*3.14*11ft = 68.2ft

If you want to learn more about circles:

brainly.com/question/1559324

#SPJ1

7 0
2 years ago
If the reciprocal of the number $X$ equals $\frac{2}{7}$, what is $5$ divided by $X$?
grigory [225]
U can find the reciprocal of a number by flipping the number.
example : the reciprocal of 1/5 is 5/1....the reciprocal of 2/3 = 3/2.

the reciprocal of x = 2/7.....that means x = 7/2

5 / (7/2) = when dividing fractions, flip what u r dividing by, then  multiply
5 * 2/7 =
10/7 or 1 3/7 <==
5 0
3 years ago
Find the scale factor for the dilation. please show your work.<br><br> X (3. 6) X' (2, 4)
Anastasy [175]

Answer:

Step-by-step explanation:

4/6=2/3

2/3=2/3

scale factor=2/3

6 0
3 years ago
A teacher's assistant entered 10 scores into the online gradebook in
-Dominant- [34]

Answer:

Ok I got it it’s 50

Step-by-step explanation:

because To divide by

1

5

, multiply by its reciprocal, 5.

10÷

1

5

= 105

= 50

8 0
2 years ago
Does anyone know what is 1/2⋅17.?
Free_Kalibri [48]

Answer:

8.5

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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