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il63 [147K]
2 years ago
12

Sierra is saving for a bike and helmet.

Mathematics
1 answer:
Goshia [24]2 years ago
8 0
It would be 806 of 16
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Given the formula, Sn=a 1-r^n/1-r, what is the sum of the first nine terms of the geometric series: 324, -108, 36, -12...
vlada-n [284]

Answer:

243.01.

Step-by-step explanation:

The first term (a) = 324.

The common ratio (r) = -108/324 = -1/3.

So sum of 9 terms is:

S(9) = 324 * (1 - (-1/3)^9) / ( 1 - (-1/3)

= 324 ( 1 - (-0.00005076)) / 4/3

= 324 * 1.00005076 / 1.33333

= 243.012.

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3 years ago
To solve the following equation for X, which operation will you need to perform? X + 2 = 5 Question 1 options: Add 2 Subtract 2
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Answer:

subtract 2

Step-by-step explanation:

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Andreyy89
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currently have 12 bottles of water on your shelf and want to keep an minimum level of 6 bottles at all times. you average sales
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