3 years ago

15. If gasoline costs $4.02 per gallon, your tank holds 13 gallons, and your car averages 26 miles per gallon,

Mathematics

1 answer:

Shtirlitz [24]3 years ago

5 0

Answer: a) 338 miles

b) $52.26

Step-by-step explanation: To get the amount of miles that your car can drive before running out of gas, you just multiply how many gallons you have by how many miles each gallon lasts. Then, to get the cost of all the gas, you multiply the cost of the gas by how many gallons you need.

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calculate the distance between the points E=(-1,-5) and F=(-8,1) in the coordinate plane. Give an exact answer (not a decimal ap

Elena L [17]

Answer:

The answer is

<h2> $\sqrt{85} \: \: \: \: units$ </h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

$d = \sqrt{ ({x_1 - x_2})^{2} + ({y_1 - y_2})^{2} } \\$

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

E(-1,-5) and F(-8,1)

The distance between them is

$|EF| = \sqrt{ ({ - 1 + 8})^{2} + ({ - 5 - 1})^{2} } \\ = \sqrt{ {7}^{2} + ({ - 6})^{2} } \\ = \sqrt{49 + 36} \: \: \: \: \: \: \: \\ = \sqrt{85} \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:$