3 years ago

Lisa paid $48.25 for 16.7 gallons of gasoline. What was the cost per gallon, rounded to the nearest

Mathematics

1 answer:

vlabodo [156]3 years ago

8 0

$2.89 Just do the cost divided by the gallons and round up.

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The result of which expression will best estimate the actual product of (Negative four-fifths) (three-fifths) (Negative StartFra

sattari [20]

Answer:

The Answer Is B

Step-by-step explanation:

-4/5 = -1 (Rounded)

3/5 = 1/2 (Rounded)

-6/7 = -1 (Rounded)

5/6 = 1 (Rounded)

If your looking for the whole thing it would be:

(-1)[1/2](-1)(1) = x

Your Welcome! <3

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3 years ago

What is an equation of the line that passes through the point (-6, -7) and is

Alexandra [31]

Answer:

Step-by-step explanation:

Product of slope of perpendicular lines = -1

6x + 5y = 30

Write this equation in y = mx + b form

5y = -6x + 30

y = $\frac{-6}{5}x+\frac{30}{5}$

$y=\frac{-6}{5}x + 6$

Slope of this line m₁ = -6/5

m₁ * m₂ = -1

m₂ = -1÷m₁ = -1 * $\frac{5}{-6}$

$m_{2}=\frac{5}{6}$ & (-6 , -7)

Equation of the required line: y - y₁ = m (x - x₁)

$y - (-7) = \frac{5}{6}(x - [-6])\\\\y + 7 = \frac{5}{6}x + 6 *\frac{5}{6}\\\\y = \frac{5}{6}x +5-7\\\\y=\frac{5}{6}x-2$

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2 years ago

Four times two less than a number is the same as thrice one more than the number. Find the number.

IgorLugansk [536]

Answer:

See below:

Step-by-step explanation:

We can first setup an equation by doing the following:

$4(2-x) = 3(x+1)\\8-4x=3x+3\\8-7x=3\\-7x=3-8\\-7x=-5\\x=-5/-7 (5/7)$

Whole proccess above!

If you would like an explanation, please let me know so.

Its basically algebra and it's mainly on how you interpret it!

Have a nice day!

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2 years ago

What is 22,159 rounded to the nearest hundred?

andre [41]

22,200
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2 years ago

Which relation is a function?

Nadusha1986 [10]

Number A is a function

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2 years ago