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Leya [2.2K]
3 years ago
11

You drive 240 miles and use 8 gallons of gasoline. what was your car’s gas mileage? (In miles per gallon)

Mathematics
2 answers:
anastassius [24]3 years ago
6 0

Hi!

<h3>You use 240 miles per 8 gallons. </h3>

240/8

<h3>Simplify</h3>

30/1

<u>30</u>

<h2>You car's gas mileage is 30 miles per gallon. </h2>

Hope this helps! :)

-Peredhel

ch4aika [34]3 years ago
3 0

You use 8 gallons of gasoline to drive 240 miles

To solve, divide 240 with 8

240/8 = 30/1

Your car's mileage is 30 miles per gallon

hope this helps

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Neporo4naja [7]

Answer:

B

Step-by-step explanation:

Plug in coordinates to see if they match the answer.

It's easier in slope-intercept form, so lets change it first.

-2x+y=7

+2x    +2x

y=2x+7

Now we can plug in the coordinates to see if they match.

Lets try A.

11=2(-2)+7

11=-4+7

11=3

A is incorrect.

Lets try B.

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B is a solution, therefore is on the graph.

3 0
2 years ago
. Find the sum of the first 20 terms of the<br> arithmetic sequence 27, 22, 17, ....
valkas [14]

Answer:

Step-by-step explanation:

a = 27

n = 20

d = -5

L20 = 27 + (n - 1)*d

L20 = 27 + (20-1)*_5

L20 = 27 + 19*-5

L20 = -68

Sum = (a + L)*n/2

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8 0
2 years ago
What value added to x2 + 2x would complete the square
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8 0
3 years ago
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Mike and Beatrice purchase a house for $200,000. If the equation V = 200,000(1.03)x represents the value of the house after x ye
notsponge [240]
X=((log(225000/200000)/log(1.03))
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6 0
3 years ago
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Which graph represents the solution set of the system of inequalities? {x+y&lt;12 y≥x−4
RSB [31]

Answer: The graph in the bottom right-hand corner

(see figure 4 in the attached images below)

===========================================

Explanation:

Let's start off by graphing x+y < 1. The boundary equation is x+y = 1 since we simply change the inequality sign to an equal sign. Solve for y to get x+y = 1 turning into y = -x+1. This line goes through (0,1) and (1,0). The boundary line is a dashed line due to the fact that there is no "or equal to" in the original inequality sign. So x+y < 1 turns into y < -x+1 and we shade below the dashed line. The "less than" means "shade below" when y is fully isolated like this. See figure 1 in the attached images below.

Let's graph 2y >= x-4. Start off by dividing everything by 2 to get y >= (1/2)x-2. The boundary line is y = (1/2)x-2 which goes through the two points (0,-2) and (4,0). The boundary line is solid. We shade above the boundary line. Check out figure 2 in the attached images below.

After we graph each individual inequality, we then combine the two regions on one graph. See figure 3 below. The red and blue shaded areas in figure 3 overlap to get the purple shaded area you see in figure 4, which is the final answer. Any point in this purple region will satisfy both inequalities at the same time. The solution point cannot be on the dashed line but it can be on the solid line as long as the solid line is bordering the shaded purple region. Figure 4 matches up perfectly with the bottom right corner in your answer choices.

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3 years ago
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