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2 years ago

What is y + 2y + 6 (2y-4) - 5y simplified

Mathematics

2 answers:

maksim [4K]2 years ago

5 0

Combine like terms

+2+6(2−4)−5

−2+6(2−4)

Distribute

-2+6(2−4)

−2+12−24

Combine like terms

−2+12−24

10−24

Common factor

Factor by grouping

+2+6(2−4)−5

10−24

Factor by grouping

10−24

2(5−12)

y+2+6(2−4)−5

2(5−12)

Solution

2(5−12)

kotykmax [81]2 years ago

4 0

Answer:

2(5−12)

Hope this helps!

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Answer:

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Step-by-step explanation:

We have been given that the combustion of one gallon of automobile fuel produces about 5 pounds of carbon (in CO₂). Two autos are making a trip of 600 miles.

Let us find amount of fuel used by autos by dividing the total distance by their mileage.

$\text{Fuel used by 1st auto}=\frac{\text{ 600 miles}}{\frac{\text{ 20 miles}}{\text{gallon}}}$

$\text{Fuel used by 1st auto}=\frac{\text{ 600 miles}}{\text{ 20 miles}}\times \text{gallon}$

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$\text{Fuel used by 2nd auto}=\frac{\text{ 600 miles}}{\text{ 30 miles}}\times \text{gallon}$

$\text{Fuel used by 2nd auto}=20 \text{ gallons}$

Let us find the difference of fuel used by both autos.

$\text{Number of gallons that 2nd auto used less than 1st auto}=30-20$

$\text{Number of gallons that 2nd auto used less than 1st auto}=10$

Since one gallon of automobile fuel produces about 5 pounds of carbon, so 10 gallons of fuel will produces $5\times 10=50$ pounds of carbon.

Since 2nd auto used 10 gallons less than 1st auto, therefore, 2nd auto will produce 50 pounds less carbon than 1st auto.

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