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MrRissso [65]
3 years ago
15

Add.3/2a+5/2a PLease help!

Mathematics
2 answers:
Anvisha [2.4K]3 years ago
5 0
The expression 4/a your welcome

Wittaler [7]3 years ago
4 0
The answer should be 4a

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Find the rate of change between (-3,6) (0,-3)
marin [14]
<h3>The rate of change between (-3,6) (0,-3) is -3</h3>

<em><u>Solution:</u></em>

Given that,

We have to find the rate of change between (-3,6) (0,-3)

<em><u>The rate of change is given as:</u></em>

Rate\ of\ change = \frac{y_2-y_1}{x_2-x_1}

From given,

(x_1, y_1) = (-3, 6)\\\\(x_2, y_2) = (0, -3)

<em><u>Substituting the values we get,</u></em>

Rate\ of\ change = \frac{-3-6}{0+3}\\\\Rate\ of\ change = \frac{-9}{3}\\\\Rate\ of\ change = -3

Thus rate of change is -3

3 0
3 years ago
the student council wants to raise at least $500. Students must pay $2 to attend. How many student will need to attend in order
dezoksy [38]

Answer:

250 students at a minimum must attend to meet the student council goal.

Step-by-step explanation:

divide 500 by 2. you get 250 students that pay $2 each that equals $500.

6 0
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An air conditioning technician charged Robert $77.25 to repair his air conditioning system after 3 hours of work. The technician
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Answer:B

Step-by-step explanation:

He charged the man $25.75 for each hour and he worked for 3 hours so multiply $25.75 x 3 = $77.25

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Mrs. Lynch has noted that 7 out of every 10 pieces of mail she gets are junk mail. What percent of her mail is junk?
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The answer to this question is 70%
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