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Nutka1998 [239]
3 years ago
8

5 (r-10)= -51 what is r

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
6 0

Steps to solve:

5(r - 10) = -51

~Distribute left side

5r - 50 = -51

~Add 50 to both sides

5r = -1

~Divide 5 to both sides

r = -1/5

Best of Luck!

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Write the first five terms of the geometric sequence in which a1=8 and the common ratio is -1/2.
Oliga [24]

Answer:

First five terms are:

8 , (-4) , 2 , (-1) , (1/2)

Step-by-step explanation:

a_{1}=8 \\\\r = \frac{-1}{2}\\\\a_{2}=\frac{-1}{2}*a_{1}= \frac{-1}{2}*8= -4\\\\a_{3}=\frac{-1}{2}*a_{2}=\frac{-1}{2}*-4=2\\\\a_{4}=\frac{-1}{2}*a_{3}=\frac{-1}{2}*2=-1\\\\a_{5}=\frac{-1}{2}*a_{4}=\frac{-1}{2}*-1=\frac{1}{2}

4 0
3 years ago
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Answer:

12pq

Step-by-step explanation:

i dont know tbh but i try my best to help out now anyways

5 0
3 years ago
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sertanlavr [38]
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4 0
3 years ago
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3 0
2 years ago
Suppose the relationship between x and y is proportional. When x is​ 29, y is 275.5. Find the constant of proportionality of y t
ruslelena [56]
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I believe that is correct.
3 0
3 years ago
Read 2 more answers
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