Answer:
Surface area of cube =6× l^2 (where l is the side of cube)
Therefire 6×9^2=6×81
=486in^2
The number of kilograms of the weight of the boy will be 21.32 kg.
<h3>What is conversion?</h3>
Conversion means to convert the same thing into different units.
A boy weighs 47 pounds.
Then the number of kilograms of the weight of boy will be
We know the conversion
1 pound = 0.45359237 kg
Then we have
47 pound = 47 x 0.45359237 kg
47 pound = 21.31884139 kg
47 pound = 21.32 kg
More about the conversion link is given below.
brainly.com/question/9414705
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Answer:
pi x m^3
Step-by-step explanation:
<h3>
Answer: B) Subtraction property</h3>
Explanation:
We're subtracting 7 from both sides to go from 4x+7 = 21 to 4x = 14.
In more general terms, the subtraction property says we can go from a = b to a-c = b-c.