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Blizzard [7]
3 years ago
14

Can y’all plz help me

Mathematics
2 answers:
Ksenya-84 [330]3 years ago
7 0
2r-9=-18
+9 +9
2r= -9
The answer is r=-9
Sever21 [200]3 years ago
7 0

Answer: 4.5

Step-by-step explains:  1) 2r - 9 = -18

                                          2r - 9 + 9 = -18 + 9

                     2)  ( 9 + 9 )      Add the numbers

                       ( -18 + 9 )    add the numbers

                                            2r = -9

3) Divide both sides of the equation by the same term

4) Cancel terms that are in both the numerator and denominator

                                            r = 9/2 = 4.5

                                                 

                                           

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3 years ago
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egoroff_w [7]

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Step-by-step explanation:

The midpoint of a segment is located at the same distance of each of the endpoints of the segment.

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The length of the segment is 10.5, if we divide it by two we have:

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Xmin = 1 - 5.25 = -4.25

Then this segment can be written as:

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8 0
3 years ago
1<br> 1<br> 2<br> 2)<br> Solve (3 x 4) - (24 - 18)=
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4 0
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X= -5/3 & x=5
I got this by using the quadratic formula.
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