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valina [46]
4 years ago
12

Please give the answer and how you got it

Mathematics
1 answer:
Sonbull [250]4 years ago
4 0

Answer:

72.22

Step-by-step explanation:

Using the formula C=pi timesD, D=23 and 3.14x23 is 72.22

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Find the indicated term of the geometric sequence.<br> 5th term of 1,<br> 1 /4,1/16,…
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Answer:

\frac{1}{256}

Step-by-step explanation:

So generally a geometric sequence can be defined as: a_n=a_1(r)^{n-1} which is the explicit form. The r, is what each previous term is being multiplied by to get the next value which is evident in the recursive form: a_n = r(a_{n-1})\\. Knowing this we can take two values which are "next" to each other to find what r is. In this case I'll just is 1 and 1/4, given these two values we know that: \frac{1}{4} = 1 * r, 1*r is just r... so what each term is being multiplied by is 1/4. So let's plug the values into the explicit formula: a_n=(\frac{1}{4})^{n-1} (I didn't put an a_1 value in front, since it's just 1... so it's a bit redundant). Anyways using this formula we simply plug in 5 as n into the equation to find the 5th term: a_5 = (\frac{1}{4})^{5-1} = (\frac{1}{4})^4 = \frac{1^4}{4^4} = \frac{1}{256}

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2 years ago
Can someone explain number 14 to me? And pls answer if you would
Natalija [7]

Answer: The answer is B)

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3 years ago
Find the slope and reduce. P=(-4, 2) Q=(4,-4) Slope =​
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Answer:

slope = - \frac{3}{4}

Step-by-step explanation:

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Step-by-step explanation:

hope i helped have a verey good day

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Answer:

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Step-by-step explanation:

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