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andrey2020 [161]
3 years ago
15

Write the phrase as an expression. the difference of a number t and 9

Mathematics
1 answer:
Scilla [17]3 years ago
4 0

Answer:

t - 9

Step-by-step explanation:

Given that t represents a number which is unknown to us, the difference of the number and 9 can be expressed algebraically as:

t - 9.

The difference of t and 9 = t - 9.

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Select the correct answer.
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2 years ago
A box with a square base and open top must have a volume of 237276 cm^3. We wish to find the dimensions of the box that minimize
svp [43]

Answer:

A(x)=\dfrac{x^3+949104}{x}

Step-by-step explanation:

Given a box with a square base and an open top which must have a volume of 237276 cubic centimetre. We want to find a formula for the surface area of the box in terms of only x, the length of one side of the square base.

Let the side length of the base =x

Let the height of the box =h

Since the box has a square base

Volume,

V=x^2h=237276\\\\h=\dfrac{237276}{x^2}

Surface Area of the box = Base Area + Area of 4 sides

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Substitute h derived above into A(x,h)

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