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allochka39001 [22]
2 years ago
14

A piece of wire in the form of a rectangle 18 cm long and 15 cm wide is bent and reshaped as a circle. Find the radius of a circ

le.
Mathematics
1 answer:
a_sh-v [17]2 years ago
7 0

Answer:

r = 12.89

Step-by-step explanation:

18(2) + 15(3) = 81 = C

C = 2πr

81 = 2πr

81/2 = πr

r = 81/2π ≈ 12.89

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About 48 adults. I think.
4 0
3 years ago
Julie wants to make 800 g of a 15% alcohol solution by mixing a
monitta

Answer:

x =550

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Step-by-step explanation:

.2x + .04y = 120

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6 0
2 years ago
Find the area of the shaded segment
dalvyx [7]

Answer:

kk

Step-by-step explanation:

7 0
3 years ago
Find the Percent:
ycow [4]

Step-by-step explanation:

First, find 12 percent of 1,150,

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Hope I helped, if not, at least I tried.

6 0
2 years ago
Use the diagram to determine which statement is true
hichkok12 [17]
A. Area of ABCD - Area of DGA = Area of DEFG
s^2 - 1/2bh = s^2
(5)^2 - 1/2(4)(3) = (3)^2
25 - 1/2(12) = 9
25 - 24 = 9
1 not equal to 9

B. Area of ABCD - Area of GHIA = Area of DGA
s^2 - s^2 = 1/2bh
(5)^2 - (4)^2 = 1/2(4)(3)
25 - 16 = 1/2(12)
9 not equal to 6

C. Area of ABCD + Area of DGA = Area of GHIA
s^2 + 1/2bh = s^2
(5)^2 + 1/2(4)(3) = (4)^2
25 + 1/2(12) = 16
25 + 6 = 16
31 not equal to 16

D. Area of DEFG + Area of GHIA = Area of ABCD
s^2 + s^2 = s^2
(3)^2 + (4)^2 = (5)^2
9 + 16 = 25
25 = 25

The answer is D.
5 0
3 years ago
Read 2 more answers
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