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RoseWind [281]
2 years ago
14

-3(3+6b)=36--3b sovle this.

Mathematics
1 answer:
Daniel [21]2 years ago
6 0

Answer:

-15/7

Step-by-step explanation:

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What is the cofunction of cos 2pi/ 9
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The cofunction of cos is sin(90-x)

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The cofunction becomes sin(PI/2 - 2PI/9)

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find the sum of a 9-term geometric sequence when the first term is 4 and the last term is 1,024 and select the correct answer be
olasank [31]
Hello,

u_{1} =4\\
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if \ q=-2 \ then\ \sum_{i=0}^{8}\ 4*(-2)^i= 4*\dfrac{1-(-2)^9}{1+2} =684\\





Answer B (but see the problem)
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Vlad [161]

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Step-by-step explanation:

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Step-by-step explanation:

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