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castortr0y [4]
3 years ago
15

Every hour of driving uses

Mathematics
1 answer:
xenn [34]3 years ago
4 0

Answer:

45 gallons

Step-by-step explanation:

1 hour = 3 gallons

2 hours = 6 gallons

3 hours = 9 gallons

4 hours = 12 gallons

5 hours = 15 gallons

10 hours = 30 gallons

15 hours = 45 gallons

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Write the equation of the line passing through the points (-1,2) and (3, 4)
Harlamova29_29 [7]

Answer:

y=2/4x+5/2

Step-by-step explanation:

y=mx+b

2-4/-1-3

-2/-4

Slope =2/4

y=2/4x+b

2=2/4(-1)+b

b=5/2

y=2/4x+5/2

3 0
3 years ago
Read 2 more answers
Last year, lien earned 1200 more than her husband. Together they earned 45,200. How much did each of them earn?
d1i1m1o1n [39]

Answer:

Lien earned $23,800

Husband earned $22,600

Step-by-step explanation:

$45,200 divide it by 2 = $22,600

then you add $1,200 to $22,600 and get  $23,800

4 0
3 years ago
As shown in the diagram of the right triangles below, Triangle: ABC ~ Triangle: DEF, AB = 7x, BC = 4, DE = 7, EF = x. What is th
charle [14.2K]

since triangles are similar

4/x = 7x/7

=》 4/x = x

=》x^2 = 4

=》 x = 2

for right triangles a^2 = b^2+c^2

DF^2 = 7^2+2^2 = 53

=》 DF = 7.28

perimeter of DEF = 7 +2+7.28 = 16.28

8 0
3 years ago
PLEASE HELP ASAP! i don't get it
Natali5045456 [20]

Answer:

0 - 20

1 -22

5 - 30

10 - 40

15 - 50

20 - 60

Step-by-step explanation:

The initial amount this equation is 20 so that is why at 0 shirts its still 20 dollars for the set up fee and 2 dollars per shirt. Now that we have this information we can actually make a linear equation

y = 2x + 20

y = the total cost

x = the number of shirts

All you have to do next is plug in the number of shirts to get the total cost

Example:   2(1) + 20 = y

2 + 20 = y

22 = y

Meaning for 1 shirt it would be 22 dollars in total

8 0
3 years ago
What does "find the mean" mean in math
Elan Coil [88]

Answer:

find the average.

Step-by-step explanation:

8 0
3 years ago
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