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Alexeev081 [22]
3 years ago
6

What is the quotient of 75 and 2.4

Mathematics
2 answers:
stira [4]3 years ago
5 0
75/2.4=31.25\ or\ 31 \frac{1}{4}
Nezavi [6.7K]3 years ago
4 0
75 ÷ 2.4 =
= 75 ÷ 2 4/10 =
= 75 ÷ 2 2/5 =
= 75 ÷ 12/5 =
= 75 * 5/12 =
= 375/12 =
= 31 3/12 =
= 31 1/4 =
= 31.25

Just remember that dividing two fractions is as much as multiplying the same fraction by an inverse of the another one.
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Answer:

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Step-by-step explanation:

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2 years ago
A rectangular box with a square base and a cover is to be built to contain 640 cubic feet. If the cost per square foot for the b
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Answer:

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Step-by-step explanation:

The cost is minimized when any pair of opposite faces of the box costs the same as any other pair. Since the top+bottom total $25 per square foot and the sides (left+right or front+back) total $20 per square foot, the area of a side must be 25/20 = 5/4 times the area of the top or bottom.

If we let x represent the length of one side of the square bottom, then 5/4x will be the height of the box. Its volume will be ...

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You can also write an equation for the total cost in terms of x, the side length of the base. That cost function will be ...

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This simplifies to ...

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Algebraically, you can set the derivative to zero to find the value of x.

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  8 = x . . . . . . . take the square root. Same solution as above. <em>Cost is minimized when the side length of the base is 8 ft</em>.

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3 years ago
What is the answer to 10 - s when s = -3
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