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3 years ago

Anyone understand this??Help please

Mathematics

1 answer:

Anna [14]3 years ago

3 0

I think you have to choose any numbers in the graph to solve for Rafael and Ava

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Confused PLEZZZZZ HELLLPPPP

igomit [66]

Answer:B

Step-by-step explanation:

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3 years ago

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Tuition for one year at the University of Houston is about $12,300. Azul plans to attend this university and will save money eac

vovikov84 [41]

Answer:

It should be C. 620

Step-by-step explanation:

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3 years ago

Replace the box with a number to make blank over 24 greater than 1 over 4 a true statement

PilotLPTM [1.2K]

X/24>1/4
24 is 6 times 4, so 1 times 6=6
x>6 is the answer.

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3 years ago

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2) Ten Percent of 27 is _<br> One Percent of 27 is<br> Find 14% of 27.

geniusboy [140]

Step-by-step explanation:

10%of 27

$= \frac{10}{100} \times 27$

$= \frac{27}{10} = 2.7$

1% of 27

$= \frac{1}{100} \times 27 = 0.27$

$14\%of \: 27 = \frac{14}{100} \times 27 = 3.78$

8 0

3 years ago

An author published a book which was being sold online. The first month the author sold 21000 books, but the sales were declinin

Wittaler [7]

Answer: 119,616

You may have to erase the comma when inputting the answer.

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Explanation:

The author sells 21,000 books in the first month.

Then they sell 21,000*(1-0.12) = 21,000*(0.88) = 18,480 in the second month.

Then they sell 18,480*(1-0.12) = 18,480*(0.88) = 16,262.4 = 16,262 in the third month.

And so on. These values follow a geometric sequence with first term a = 21,000 and common ratio r = 0.88

We can think of the 0.88 as 88% of the original value (since losing 12%, we keep the remaining 88%)

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Use the formula below to sum the first 9 terms of the geometric sequence

Plug in a = 21000 and r = 0.88

$S_n = a*\frac{1-r^n}{1-r}\\\\S_9 = 21000*\frac{1-0.88^9}{1-0.88}\\\\S_9 \approx 21000*\frac{0.6835216}{0.12}\\\\S_9 \approx 21000*5.6960133\\\\S_9 \approx 119,616.2793\\\\S_9 \approx 119,616\\\\$

The author sold about 119,616 books over the course of the first nine months.

4 0

3 years ago