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Alex777 [14]
3 years ago
14

A circular "No U-Turn" road sign has a diameter of 20 inches.

Mathematics
1 answer:
Marianna [84]3 years ago
5 0

Answer:

314

Step-by-step explanation:

d=20

20/2=10

10x10=100

A=pi r2

A=3.14x100

A=314

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If you are multiplying terms with the same base (in this case 4), you add the exponents.
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Can someone help me please ​
bogdanovich [222]

Answer:

1921.67

1922 to the nearest whole number

Step-by-step explanation:

Cylinder

V = pi*r^2 * h

pi = 3.14

r = d/2

r = 12/2

r = 6

h = 13

V = 3.14 * 6^2 * 13

V = 1469.52

1/2 Sphere

V= 2/3 * pi * r^3

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V = (2/3) 3.14 * 216

V = 452.2

Total Volume

V_tot = 452.2 + 1469.52

V_tot = 1921.67

8 0
3 years ago
HELPPP MEEE PLZZZ AND THANKS
Dmitry [639]
-3
Explanation - you add the 10 to both sides then get -12 and then you divide 4 to both sides and then get -3
3 0
3 years ago
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C

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All others can be proved false.

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