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Margarita [4]
3 years ago
10

5-4+7x+1 use the drop down menu

Mathematics
2 answers:
In-s [12.5K]3 years ago
7 0

Answer: 2+7x

Step-by-step explanation:

First you have to do PEMDAS. Then you get this answer.

Law Incorporation [45]3 years ago
4 0
2 + 7x

you need to combine the like terms (numbers without variables) and then add the 7x.
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A=1/2(b1-b2)h <br><br> Solve for h
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Answer:

2A/ (b1-b2) =h

Step-by-step explanation:

A = 1/2 (b1-b2) *h

Multiply each side by 2

2A = 2 *1/2*(b1-b2) *h

2A = (b1-b2) *h

Divide by (b1-b2)

2A/ (b1-b2) = (b1-b2)/(b1-b2) *h

2A/ (b1-b2) =h

7 0
3 years ago
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Perimeter is adding all 4 sides together.

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4 0
3 years ago
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mariarad [96]

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6 0
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A hiker starts hiking at the beginning of a trail at a point which is 200 feet below sea level. He hikes to a location on the tr
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780 feet because 200 feet below sea level means -200 and 580 feet above sea level mean +580 so if you add 580 and the 200 you get the distance between the two points.
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