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mote1985 [20]
3 years ago
15

9 and -9 are examples of

Mathematics
2 answers:
RoseWind [281]3 years ago
7 0

Answer:

opposites

Step-by-step explanation:

9+-9 = 0

When they add to zero they are opposites

Yanka [14]3 years ago
5 0

Answer:

Step-by-step explanation:

9 and -9 are examples of opposite integers

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I have 8 boxes of chocolate i eat 3 chocolates from each box i now have 72 chocolates in total
nydimaria [60]

Answer: there were 12 chocolates in each box. (Originally, before any got eaten)

Step-by-step explanation: let x represent the total amount of chocolates in each box.

8x - 3(8) = 72

8x - 24 = 72 add 24 to both sides

8x = 96 divide both sides by 8

X = 12

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2 years ago
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The store had a special on apples, 4 pounds for $2.80. The store's special on oranges was 3 pounds for $2.58. Which of the follo
Viktor [21]

Answer:

B

Step-by-step explanation:

Hope this helps!!

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Verify the following:<br> 15x(6+(-2) ) = (15x6) + 15x (-2)
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Answer:

-True-

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6 0
3 years ago
R varies inversely as v2 if r=120 when v=1 ,find r when v=10
makvit [3.9K]
<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ r = k/v^2

Substitute the values in:

120 = k/1^2

Multiply both sides by 1^2 to find k

k = 120

Substitute new values in:

r = 120/10^2

Solve:

r = 1.2

<h3><u>✽</u></h3>

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6 0
3 years ago
Write an equation of each line in standard form with integer coefficients.<br> 4. y = 2.4x + 1.8
Nadusha1986 [10]

Answer:

<h2>12x - 20y = -9</h2>

Step-by-step explanation:

The standard form of an equation of a line:

Ax+By=C

We have

4y=2.4x+1.8

Convert

4y=2.4x+1.8          <em>multiply both sides by 10</em>

40y=24x+18          <em>subtract 24x from both sides</em>

-24x+40y=18            <em>change the signs</em>

24x-40y=-18          <em>divide both sides by 2</em>

12x-20y=-9

3 0
2 years ago
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