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gregori [183]
3 years ago
11

Can any one help me i really need it

Mathematics
1 answer:
garri49 [273]3 years ago
3 0

Answer:

The circumference is approximately 125.66.

Step-by-step explanation:

The formula for circumference is 2 x 3.14(r). Radius (or r) in this case is equal to 20 since the diameter is two times the length of the radius. 40/2 = 20.

2 x 3.14(20) ≈ 125.66

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Find the area of the square if the circumference of the circle is 32.97 in
Ivanshal [37]

Answer: 86.5 in²

Step-by-step explanation: Circumference is2·pi·r= 32.97 in.

Radius r = 32.97 in/ 2pi = 5.247 in. Area is pi·r²

4 0
3 years ago
26 x 69. Estimate <br><br><br>​
vovikov84 [41]

Answer:

1750

Step-by-step explanation:

Round 26 to 25, round 69 to 70.

25 x 70= 1750

5 0
3 years ago
The length of a rectangular room is 5 feet more than its width. The perimeter of the room is
Roman55 [17]

Answer:

\displaystyle 39 = W \\ 44 = L

Step-by-step explanation:

{L = W + 5

{166 = 2L + 2W

166 = 2[W + 5] + 2W

166 = 2W + 10 + 2W

166 = 10 + 4W

- 10 - 10

___________

\displaystyle \frac{156}{4} = \frac{4W}{4}

\displaystyle 39 = W[Plug this back into both equations above to get the length of 44 feet; \displaystyle 44 = L

I am joyous to assist you anytime.

5 0
4 years ago
Find n.<br> 12/18 = n/36<br><br> n =
Semenov [28]

Answer:

n =24

Step-by-step explanation:

pretend n is x its just a normal fraction lol

4 0
3 years ago
Read 2 more answers
Grades due friday please help :)
mr_godi [17]

Answer:

6 inches

Step-by-step explanation:

<u>To find the solution</u>

  1. Find the ratios. The ratio is 1 inch : 4 feet.
  2. Do the equation 24 ÷ 4 = 6
  3. Find the new ratio. 6 inches : 24 feet
4 0
3 years ago
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