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3 years ago

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A certain recipe calls for 2/5 cup of flour. A chef is making an amount that is 5/7 of the recipe. How much flour should the che

f use?

1 answer:

finlep [7]3 years ago

6 0

Answer:

2/7 of a cup

Step-by-step explanation:

This means he needs 5/7 of the 2/5 cup of the whole recipe, so it is (5*2)/(7*5) or 10/35 or 2/7 of a cup.

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The table shows the value of an account x years after the account was opened. Based on the exponential regression model, which i

lana66690 [7]

Answer:

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Step-by-step explanation:

The exponential regression model can be written as exponential function

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Then

$5,000=a\cdot b^0=a,\\ \\5,510=a\cdot b^2\Rightarrow 5,510=5,000\cdot b^2,\\ \\b^2=\dfrac{5,510}{5,000}=\dfrac{551}{500}\Rightarrow b\approx 1.05.$

Thus,

$y=5,000\cdot (1.05)^x.$

When $x=12,$ you get

$y(12)=5,000\cdot (1.05)^{12}\approx \$8,980.$

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Answer:

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