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3 years ago

Turn 3.7 repeating into a fraction?

Mathematics

2 answers:

zheka24 [161]3 years ago

8 0

0.7

0.7 × 10 = 7
7/9

<span>3 + 7/9 = ?
</span>
3 7/9

0.7 as a repeating fraction is 3 7/9.

Vadim26 [7]3 years ago

3 0

If a decimal repeats, that means it can be written over 9. So 0.7 repeating equals 7/9. Then add the amount to the left of the decimal, in this case 3. 3 + 7/9 = 3 7/9

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3 years ago

The height of a cylinder is 6 inches. The diameter of the circular base of the figure is 10 inches. What is the approximate surf

USPshnik [31]

<h3><u>Answer:</u></h3>

Hence, the surface area of cylinder is:

345 square inches.

<h3><u>Step-by-step explanation:</u></h3>

We are given height(h) of the cylinder as: 6 inches.

Also, The diameter(d) of the circular base of the figure is 10 inches.

Hence, the radius(r) of the circular base is given as:

$d=2r\\\\r=\dfrac{d}{2}$

This implies that:

$r=\dfrac{10}{2}=5inches$

Now, the approximate surface area( SA) of cylinder is given as:

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3 years ago

Read 2 more answers

Math help please show work thanks

GalinKa [24]

Problem 5

d = 29 = diameter

r = d/2 = 29/2 = 14.5 = radius

SA = surface area of sphere

SA = 4*pi*r^2

SA = 4*pi*(14.5)^2

SA = 841pi

SA = 841*3.14

SA = 2,640.74 square inches

To convert from square inches to square feet, we divide by 144. This is because 12^2 = 144.

2,640.74 square inches = (2,640.74)/144 = 18.3 sq ft

<h3>Answer: 18.3 square feet (approximate)</h3>

=====================================

Problem 6

d = 10.7 = diameter

r = d/2 = 10.7/2 = 5.35 = radius

L = 22.3 = slant height

SA = surface area of the cone

SA = pi*r^2 + pi*r*L

SA = pi*(5.35)^2 + pi*5.35*22.3

SA = 147.9275pi

SA = 147.9275*3.14

SA = 464.49235

<h3>Answer: 464.49235 square cm (approximate)</h3>

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3 years ago