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Bess [88]
3 years ago
15

Burning one gallon of gasoline releases 20 pounds of CO2 into the air. Harry’s compact car can travel 25 miles on one gallon of

gas. If Harry drives 15,000 miles in a year how many pounds of co2 is he releasing
Mathematics
1 answer:
Oduvanchick [21]3 years ago
3 0
12,000 pounds of CO2 because 15,000/25 = 600 and 600 x 20 = 12,000.
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7th grade math help. Check answers too please
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Answer: It looks correct to me !

Step-by-step explanation:

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Please show your work.
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Read 2 more answers
What is are the solutions to | x+4 |= 3x-5?
bonufazy [111]

Answer:

x = \frac{9}{2}

Step-by-step explanation:

The absolute value always returns a positive value but the expression inside can be positive or negative, that is

x + 4 = 3x - 5 ( subtract 3x from both sides )

- 2x + 4 = - 5 (subtract 4 from both sides )

- 2x = - 9 ( divide both sides by - 2 )

x = \frac{9}{2}

OR

-(x + 4) = 3x - 5

- x - 4 = 3x - 5 ( subtract 3x from both sides )

- 4x - 4 = - 5 ( add 4 to both sides )

- 4x = - 1 ( divide both sides by - 4 )

x = \frac{1}{4}

As a check

Substitute these values into the equation and if both sides are equal then they are the solutions

| \frac{9}{2} + 4 | = | \frac{17}{2} | = \frac{17}{2}

right side = \frac{27}{2} - 5 = \frac{17}{2}

left side = right side , thus x = \frac{9}{2} is a solution

check second solution

| \frac{1}{4} + 4 | = |  \frac{17}{4} | = \frac{17}{4}

right side =   \frac{3}{4} - 5 = -   \frac{17}{4}

right side ≠ left sides, hence not a solution

7 0
3 years ago
On a foraging trip, Grover dug up 7 bones and caught 4 fish in 49 minutes. Harold, working at the same speed a Grover, dug up 5
liraira [26]
7 minutes is the answer but check with the teacher first
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3 years ago
What is the solution set for | s+4 | = 6?
saveliy_v [14]

Answer:

s=2,−10

Step-by-step explanation:

Find all solutions for s by breaking the absolute value into the positive and negative components.

4 0
1 year ago
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