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3 years ago

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Hi everyone, I'm having trouble with these questions and I'm not sure how to do them/where to start. Does anyone have a solution

to it? It will help me with my future problems on this topic!

1 answer:

Iteru [2.4K]3 years ago

3 0

Answer:

sounds simple, but getting to know people can be seriously hard. We've got some tips to help you ease the process and get to know people ...

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Use the properties of geometric series to find the sum of the series. for what values of the variable does the series converge t

Oksi-84 [34.3K]

Answer:

- The sum of the series is given as

7/(1 + 7z)

- The series converges for (-1/7, 1/7)

Step-by-step explanation:

Given the geometric series:

7 - 14z + 28z² - 56z³ + ...

The common ratio r is given as

-14z/7 or 28z²/(-14z) or -56z³/(28z²) and so on

r = -7z

The sum of the series is given as

S = a/(1 - r)

Where a is the first term in the series.

S = 7/(1 -(-7z))

= 7/(1 + 7z)

The series converges for |-7z| < 1

That is for -1/7 < z < 1/7

7 0

3 years ago

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bag contains 6 red marbles and 12 yellow marbles. If a representative sample contains 3 red marbles, then how many marbles woul

Dafna11 [192]

I think 6 because it’s a ratio

Because the yellow would always be twice as much as the red so 3x2 is 6 just like 6x2=12

7 0

3 years ago

Riley’s Rug Warehouse purchases rugs from the manufacturer for $82.00 each. The manager marks the rugs up 150% and then includes

Volgvan

A customer will pay $225.5 for one rug.

Step-by-step explanation:

Given,

Purchase price of rug = $82.00

Mark up = 150%

Amount of mark up = 150% of purchase price

Amount of mark up = $\frac{150}{100}*82$

Amount of mark up = 1.5*82 = $123

Price of rug after mark up = Purchase price + Mark up

Price of rug after mark up = 82+123 = $205

Sales tax = 10%

Amount of sales tax = 10% of price after markup

Amount of sales tax = $\frac{10}{100}*205=\$20.5$

Selling price = Price after markup + Amount of sales tax

Selling price = 205+20.5 = $225.5

A customer will pay $225.5 for one rug.

Keywords: percentage, markup

Learn more about percentages at:

#LearnwithBrainly

5 0

4 years ago

I need help pls this is to get my grades up

Vladimir79 [104]

This is easy trust me everything will be fine first drag it to the bottom right the same way you do it on the Hub and then go 4 units below and you’re all set.

8 0

3 years ago

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Should i put a comma after

suter [353]

The answer is before

6 0

3 years ago