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lys-0071 [83]
2 years ago
7

2x + 5x = -14 What is the answer

Mathematics
1 answer:
Mekhanik [1.2K]2 years ago
6 0

Answer:

x= -2

Step-by-step explanation:

2(-2)+5(-2)= -4+-10= -14

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In algebra, we often study relationships where a change to one variable causes change in another variable. Describe a situation
vampirchik [111]

Answer:

A familiar situation is: cost of books you pay for versus the quantity of books bought.

Cost of books ($) and quantity of books are directly proportionally related in the situation.

The graph will look like the graph in the attachment below.

A quantity (dependent variable) will change constantly in relation to another quantity (independent variable) if the relation is a proportional relationship.

A familiar situation for example can be the cost you pay for books will be directly proportional or dependent on the number of books you bought.

That is:

Number of books = independent variable

Cost ($) = dependent variable

A change in the number of books will cause a change in the cost you will pay for buying books.

This shows a direct proportional relationship between the two quantities.

On a straight line graph, the graph will be a proportional graph showing number of books on the x-axis against cost ($) you pay on the y-axis.

Therefore:

A familiar situation is: cost of books you pay for versus the quantity of books bought.

Cost of books ($) and quantity of books are directly proportionally related in the situation.

Step-by-step explanation:

hope this helps cutey ;)

3 0
2 years ago
Explain how to divide 3/4 ÷ 3/8 by using reciprocal of 3/8​
sertanlavr [38]

The reciprocal of 3/8 would be 8/3 (basically reversing the numbers).

When dividing fractions, you can just multiply the first fraction by the reciprocal of the second fraction instead of dividing by the second fraction.

3/4 ÷ 3/8

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Simplifying gives us the final answer:

= 2

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5 0
2 years ago
A farmer builds a fence to enclose a rectangular pasture.He uses 160 feet of fence. Find the total area if the pasture is 50 fee
Sergeeva-Olga [200]
2L +2W=160
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3 0
3 years ago
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Andre45 [30]

Answer:

1. (2,2)

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Step-by-step explanation:

See attached images

4 0
1 year ago
Read 2 more answers
I need help please.
Sidana [21]

Answer:

-1/63y^11

Step-by-step explanation:

because we multiply it

7 0
2 years ago
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