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morpeh [17]
3 years ago
15

Will mark brainliest if right

Mathematics
1 answer:
azamat3 years ago
8 0

Answer: 5x^2 + 3x + 1

Step-by-step explanation:

1.) Put the two equations together into an addition problem.

<em>3x^2 + 4x + 2x^2 - x + 1</em>

2.) Combine like terms.

<em>3x^2 + 2x^2 = 5x^2</em>

<em>4x - x = 3x</em>

<em>1 = 1</em>

3.) Order the like terms together.

<em>5x^2 + 3x + 1</em>

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If two people are trying to meet and the distance between them are 12 miles apart how long does it take them to meet each other.
murzikaleks [220]
Person a can walk 5 miles in an hour.
Person b can walk 3 miles in an hour.
They are 12 miles apart, and after an hour they have covered 8 miles.

8:1 = 12:x

8x = 12

x = 1.5

After an hour and a half, they will meet.

Check:
5 miles : 1 hour = 7.5 miles : 1.5 hours

3 miles : 1 hour = 4.5 miles : 1.5 hours

Together, they should have covered 12 miles.
7.5 + 4.5 = 12

It takes 1.5 hours to meet eachother.

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8 0
3 years ago
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7 0
3 years ago
What is the value of a?<br> 5 units<br> 5 1/3units<br> 6 2/3units<br> 7 units
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3 0
3 years ago
7/10 + 1/2 Find sum in simplest form
igomit [66]

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6/5

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3 years ago
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