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algol [13]
3 years ago
15

5/2x=-10 pls someone help

Mathematics
1 answer:
oee [108]3 years ago
4 0

Answer:

-4

Step-by-step explanation:

5/2x = -10

=> x = -10 ÷ 5/2 = -10 x 2/5 = -4

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What is the sum of the first 6 terms of this geometric sequence? –4, –16, –64, –256, …
MatroZZZ [7]

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The formula of the sum of a geometric sequence:

S_n=a_1\cdot\dfrac{1-r^n}{1-r}

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6 0
3 years ago
What is the equation of the line that is parallel to the given
Mrac [35]

Answer:

Step-by-step explanation:

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Answer:

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3 years ago
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