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kykrilka [37]
3 years ago
15

Please help quickly!

Mathematics
1 answer:
Tom [10]3 years ago
4 0
X equals 21
25 x 3 = 75
24 x 3 = 72
7 x 3 = 21
Find out what you have to multiply 25 and 24 by to get 75 and 72.
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90 miles on 5 gallons of gas?
fiasKO [112]

Answer:

18 miles per gallon

90/5=18

Step-by-step explanation:

8 0
2 years ago
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A student is trying to solve the system of two equations given below:
SpyIntel [72]

Answer:

c is the answer since you are trying to make the ys number (-/+) of the value the other y contains

(3) so you will multiply the first equation by -3 to be able to eliminate y

4 0
3 years ago
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If John pays $144 for 9 pounds of pears, how much is each pound
Artist 52 [7]

Answer:

$16 per pound

Step-by-step explanation:

We want to find the price per pound.

Therefore, we must divide the cost by the pounds.

\frac{cost}{pounds}

We know it costs $144 for 9 pounds of pears. Therefore, $144 is the cost and there are 9 pounds.

\frac{\$144}{9 pounds}

Divide.

\$16 /pound

It costs $16 for each pound of pears.

5 0
3 years ago
Read 2 more answers
What in slope-intercept form, can go through the line ( a, 2a) and (-5a, 6a)
Wittaler [7]

Answer:

  • y = -2/3x + 8/3a

Step-by-step explanation:

<u>Given points</u>

  • (a, 2a) and (-5a, 6a)

<u>Slope-intercept form</u>

  • y = mx + b

<u>Slope of the line is</u>

  • m = (6a - 2a)/( -5a - a) = 4a/(-6a) = - 2/3

<u>The y-intercept is:</u>

  • 2a = -2/3*a + b
  • b = 2a + 2/3a
  • b= 8/3a

<u>So the line is:</u>

  • y = -2/3x + 8/3a

7 0
3 years ago
Read 2 more answers
Lori is running in a marathon, which is 28.4 miles she ran 0.1 of it already. How far has Lori run?
hoa [83]
So she ran the 0.1 of the 28.4
That is she ran 1% of 28.4 miles
0.1 * 28.4 is 2.84

Hope this helps :)
7 0
3 years ago
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