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zloy xaker [14]
1 year ago
7

a school had 825 students enrolled last year. this year, 870 students are enrolled. find the percent of change to the nearest te

nth.

Mathematics
1 answer:
julsineya [31]1 year ago
4 0

x = 5.5 % (rounded to nearest tenth) is the change in number of students from last year .

<h3>What is percentage ?</h3>

In mathematics, a percentage is a number or ratio spoken as a fraction of 100. It is often indicated by the percent sign '%', but the abbreviations 'pct.', 'pct', and 'pc' are also sometimes used. Percentages are dimensionless numbers. No units of measure

<h3>Calculation</h3>

825 + 8.25x = 870

8.25x = 870 - 825

x = 45/8.25

x = 5.454545454545455 %

x = 5.5 % (rounded to nearest tenth)

learn more about percentage here :

brainly.com/question/28269290

#SPJ9

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Solve the system of equations 2x-2y=-14 and 3x-y=-1 by combining the equations.
Veseljchak [2.6K]

The solution to the system of equations is x = 3 and y = 10

<h3>How to solve the equations?</h3>

The system is given as:

2x-2y=-14

3x-y=-1

Multiply (1) by 1 and (2) by 2

So, we have:

1(2x-2y=-14)

2(3x-y=-1 )

This gives

2x - 2y=-14

6x - 2y=-2

Subtract the equations

-4x = -12

Divide by -4

x = 3

Substitute x = 3 in 3x-y=-1

3(3)-y=-1

Evaluate

9 - y = -1

Solve for y

y = 10

Hence, the solution to the system of equations is x = 3 and y = 10

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The angle are supplementary.find the missing angle measure
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Given that x2 - y2 = 135 and x - y = 15 , find the value of (x+y)2
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Answer:

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