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2 years ago

A car drove 249.48 miles on 12.6 gallons of gas.

Mathematics

1 answer:

slavikrds [6]2 years ago

7 0

Answer:

293.04 miles

Step-by-step explanation:

249.48 miles / 12.6 gallons is a proportion that is given to be true so we look to find an equivalent fraction that has 14.8 gallons in it and that respects this proportion.

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Solve |2x - 5| = 4. {x | x = -4.5 or x = 4.5} {x | x = 0.5 or x = 4.5} {x | 0.5 < x < 4.5}

kotykmax [81]

Answer:

{x | x = 0.5 or x = 4.5}

Explanation:

Before we begin, remember that:

The modulus gives the positive value of what's inside it.

This means that:

|a| = |-a| = a

Now, for the given, we have:

|2x-5| = 4

From the above rule, we can deduce that:

either:

2x - 5 = 4

2x = 4 + 5 = 9

x = 4.5 ............> first solution

Or:

2x - 5 = -4

2x = 5-4 = 1

x = 0.5 ..........> second solution

Now, we check:

at x = 4.5: |2(4.5)-5| = |9-5| = |4| = 4 ..........> first solution verified

at x = 0.5: |2(0.5)-5| = |1-5| = |-4| = 4 .........> second solution verified

Hope this helps :)

6 0

3 years ago

What is 3(15-6)+(18-12)exponet 2

Alenkasestr [34]

3 (15-6)+(18-12)^2=
3 (9) + (6)^2=
27 + 36 =

63

3 0

3 years ago

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Tell me what the slope and y intercept means to you

natka813 [3]

In the equation of a straight line (when the equation is written as "y = mx + b"), the slope is the number "m" that is multiplied on the x, and "b" is the y-intercept (that is, the point where the line crosses the vertical y-axis)

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3 years ago

find the slope of the line that contains the following points A : [ 17 , -12 ] and [ 17 , 8 ] and B [ 6 , -2 ] and [ -3 , 1 ]

Svetradugi [14.3K]

1/9 because i you plug in two of the points into y2 -y1 over x2 -x1 thats what you get.

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3 years ago

Mr Smith takes orders from 12 people. 8 people want coffee and 6 people want donuts. how many people want coffee and donuts?

PIT_PIT [208]

Answer:

Step-by-step explanation:

8 + 6 - 12 = 2

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3 years ago