2 years ago

I need help on whichever question anyone might know how to do . QUICK

Mathematics

1 answer:

DiKsa [7]2 years ago

8 0

9-7= 2 and ±2-±8=6 here are the answers to one of the questions you need help whith

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How many terms are there in a geometric series if the first terms is 2, the common ratio is 4, and the sum of the series is 2,73

arsen [322]

The sum of n terms of a geometric series is given by
$S_{n}=a_{1}\dfrac{r^{n}-1}{r-1}$

Substituting the given numbers, you have
$2730=2\dfrac{4^{n}-1}{4-1}\\\\2730\dfrac{3}{2}=4^{n}-1\\\\4096=4^{n}\\\\\dfrac{\log(4096)}{\log(4)}=n=6$

There are 6 terms in the series.

4 0

3 years ago

Which equation can be used to find the two numbers whose ratio is 3 to 2 and that have a sum of 35

dusya [7]

Idk like 3+2 _=5
35
--- = 7
5
3:2
21:14

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3 years ago

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Order the numbers from least to greatest -10, 20, |-11|, 0

Rasek [7]

The answer to your question is in this order :

-10, 0, 11, 20

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3 years ago

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2. What’s the answer to this question please

gladu [14]

I believe the answer is B because you distribute 4(x-8) to get 4x-32 and distribute 7(x-4) to get 7x-28

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3 years ago

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This year, a small business had a total revenue of $40,700. If this is 26% less than their total revenue the previous year, what

Virty [35]

26% less than a value is best found by multiplying by (100 - 26)% = 74% = 0.74
So previous year x 0.74 = 40,700
Previous year = 40,700 / 0.74 = $55,000

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2 years ago