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3 years ago

Please help me with this question I’ve tried by myself but it’s to difficult

Mathematics

1 answer:

andrey2020 [161]3 years ago

4 0

Answer:

Step-by-step explanation:

a) She borrows 34790 - 4000 - 2900 = $27,890

b) 5 years are 60 months so from the chart on the 2.9% line her payment per $1000 is $17.924. She is borrowing 27.89 thousand dollars

27.89(17.924) = $499.90 is her monthly car payment

c) 499.90(60) - 27890 = $2,104 in interest charges

d) 4000 + 2900 + 499.90(60) = $36,894 is total price paid for the car.

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kirill115 [55]

Step-by-step explanation:

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check the attached picture.

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3 years ago

The cost, in dollars, of producing x belts is given by Upper C (x )equals 970 plus 12 x minus 0.076 x squared. The revenue, i

umka21 [38]

Answer:

$68.44 for each additional belt

Step-by-step explanation:

The cost and revenue functions are:

$C(x) = 970+12x - 0.076x^2\\R(x) =43x^{\frac{3}{4}}$

The profit function, P(x), is given by subtracting the cost function from the revenue function.

$P(x) = R(x) - C(x)\\P(x)=43x^{\frac{3}{4}}+0.076x^2-12x-970\\$

The derivate of the profit function gives us the rate at which profit changes:

$\frac{dP(x)}{dx} =P'(x)=32.25x^{\frac{-1}{4}}+0.152x-12\\$

For x = 484, the rate of change is:

$P'(484)=32.25*484^{\frac{-1}{4}}+0.152*484-12\\P'(484) = \$68.44/belt$

Profit is increasing by $68.44 for each additional belt

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3 years ago

I NEED HELP!<br>I'll give brainlyest to the person who's right

amm1812

Answer:

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Step-by-step explanation:

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2 years ago

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