Step-by-step explanation:
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Answer:
2
Step-by-step explanation:
Given
7x + 2 = 16
Subtracting 2 from both sides
7x + 2 - 2 = 16 - 2
7x = 14
Dividing both sides by 7
7x / 7 = 14 /7
x = 2
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Answer:
80
Step-by-step explanation:
7x +3 = 5x + 25
2x + 3 = 25
2x = 22
x = 11
(One steel rod’s volume) = 3.14 x 4^2 x 20
= 1004.8cm^3
(Used steel) / (One steel rod’s volume) =
(Made steel rod’s number)
The answer is 28
Answer:
The formula to find the volume of a cube : s^3 so
S=40 cm
Now
by the formula,
40^3
64000
