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coolman315
19.01.2021 •
Mathematics
One of the dimension of a cube in increased by 2 inch to form a rectangular ... Block. Suppose that the volume of the cube 200 cubic inch
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Ответ:
Complete question :
One of the dimension of a cube in increased by 2 inch to form a rectangular ... Block. Suppose that the volume of the cube 200 cubic inch. Find the length of an edge of the original cube
5.252 inch
Step-by-step explanation:
Let the measure of the edge = x
Volume of a cube = x³ (original volume)
If one of the edges is increased by 2 inches ;
x * x * (x + 2) = 200
x² + (x + 2) = 200
x³ + 2x² = 200
We find a rational root or we use guess and trial method to arrive at a quick answer :
Here, we could guess that that x is just marginally above 5
.using the value 5.252 as x
5.252^3 + 2(5.252^2) = 200.035
Hence, we can conclude that the edge of the original cube is 5.252
Ответ:
2t + 3j = 16
12t + 10 j = 68
12t + 18j = 96
-8j = -28
j = 3.5
jelly beans= 3.5 and trail mix = 2.75