3 years ago

Write an integer to represent the following situation: Earnings 15 dollars

Mathematics

1 answer:

andre [41]3 years ago

4 0

What do you mean? Was that the whole question or part of it? Did it come with another number besides 15?

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Interpret the given expression. Expression: (5x-2)^3 / x+11

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Answer:

125x3−150x2+60x−8/x+11

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NO LINKS OR YOU WILL BE REPORTED ok thank you <br><br>can u answer this

iragen [17]

Answer:

it's B

Step-by-step explanation:

It's definitely B

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3 years ago

the function f is defined by f(x)=150/x-z where z is a constant. find z if the value of f at x=1/5 is equal to 250

malfutka [58]

Answer:

x = -1 $\frac{1}{20}$

Step-by-step explanation:

f( $\frac{1}{5}$ ) = 120, therefore we can create this equation:

120 = 150 ÷ ( $\frac{1}{5}$ - z)

cross-multiply to get: 24 - 120z = 150

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z = -1 $\frac{3}{60}$

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Line segment Y A is an altitude of ΔXYZ. What is the length of Line segment Y A?

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Step-by-step explanation:

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A company sells widgets. The amount of profit, y, made by the company, is related to the selling price of each widget, x, by the

Anastasy [175]

Answer: 19.4

Step-by-step explanation:

Given

Profit is given in terms of the selling price

$y=-5x^2+194x-900$

to get the maximum price, differentiate y w.r.t x

$\frac{\mathrm{d} y}{\mathrm{d} x}=-5\times 2x+194$

Put $\frac{\mathrm{d} y}{\mathrm{d} x}=0$ to get maximum value

$10x=194\\x=19.4$

Thus, the company must sell it at 19.4

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