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Volgvan
1 year ago
13

If a person invests $220 at 7% annual interest, find the approximate value of the investment at the end of 10 years.

Mathematics
2 answers:
xz_007 [3.2K]1 year ago
6 0
The amount is $432.77 and the interest is $212.77

frez [133]1 year ago
5 0

\bf ~~~~~~ \textit{Simple Interest Earned Amount} \\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill & \$220\\ r=rate\to 7\%\to \frac{7}{100}\dotfill &0.07\\ t=years\dotfill &10 \end{cases} \\\\\\ A=220[1+(0.07)(10)]\implies A=220(1.7)\implies A=374

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Answer:

a) There is no a word problem for both expressions (m = 0.25\cdot 25.4 and m = 25.4-0.25), b) A bottle contains 25.4 fluid ounces of shampoo. Katie uses 0.75 of the bottle. How much shampoo is left? A bottle contains 25.4 fluid ounces of shampoo. Katie uses 0.25 fluid ounces of the bottle. How much shampoo is left?

Step-by-step explanation:

a) The shampoo problem is a word problem for:

(Final content) = (Initial content) - (Used content)

Then,

m = 25.4 - 0.25\cdot 25.4

Or:

m = 0.75\cdot 25.4

Hence, there is no a word problem for both expressions (m = 0.25\cdot 25.4 and m = 25.4-0.25).

b) The word problem for m = 0.25\cdot 25.4 is:

A bottle contains 25.4 fluid ounces of shampoo. Katie uses 0.75 of the bottle. How much shampoo is left?

The word problem for m = 25.4-0.25 is:

A bottle contains 25.4 fluid ounces of shampoo. Katie uses 0.25 fluid ounces of the bottle. How much shampoo is left?

7 0
1 year ago
A company’s equipment manager buys $7,000 worth of equipment. This equipment depreciates 19% each year. The manager can replace
kolezko [41]

Answer:

13 (c)

Step-by-step explanation:

Graph the equation 7000(1-0.19)^x and then the inequality y<500, the point of intersection should be 12.524, so the answer will be rounded up to 13 i think

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1 year ago
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Not entirely sure but it may be 35 mpg.

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A daycare center charges a $75 enrollment fee plus $100 per week. Which of the following represents the cost of sending a child
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Answer:

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Step-by-step explanation:

times 100 by 14 which is 1400

but then add 75 onto that

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Joshua has $34 in his bank account. With his new job, he deposits the same amount each week into the account. After 35 weeks, Jo
mars1129 [50]
<h2>Greetings!</h2>

Answer:

f(x) = 34 + 25w

Step-by-step explanation:

First, we need to find the amount he was paid over the 35 weeks:

909 - 34 = 875

35w = 875

w = 875 / 35 = 25

So every week he is paid $25

The function has to start with 34, as that is the amount already in there, and as w is multiplying by 25, this can be written as 25w

So put these two together:

f(x) = 34 + 25w


<h2>Hope this helps!</h2>
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