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2 years ago

14

Rapid rental car charges a $40 rental fee, $15 for gas, and $0.25 per mile driven. For the same car, Capital Cars charges $45 fo

r rental and gas and $0.35 per mile. For how many miles is the rental cost at both companies the same

1 answer:

DENIUS [597]2 years ago

5 0

Answer:

The cost would be the same for 100 miles & Total cost would be $80.

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GarryVolchara [31]

Answer:

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Step-by-step explanation:

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2 years ago

What are the exact solutions of x2 − 5x − 7 = 0, where x equals negative b plus or minus the square root of b squared minus 4 ti

Marat540 [252]

Answer:

$x = \frac{5 + \sqrt{53}}{2}$ or $x = \frac{5 - \sqrt{53}}{2}$

Step-by-step explanation:

Given

$x^2 - 5x - 7 = 0$

Required

Solve for x using:

$x = \frac{-b \± \sqrt{b^2 - 4ac}}{2a}$

First, we need to identify a, b and c

The general form of a quadratic equation is:

$ax^2 + bx + c = 0$

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$a = 1$ $b = -5$ $c = -7$

Substitute these values of a, b and c in

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Split the expression to two

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To solve further in decimal form, we have

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Answer:

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Step-by-step explanation:

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width 818

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divide both by 100.5

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818/100.5

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round

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