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Otrada [13]
3 years ago
8

Sierra says that she can simplify the side of the inequality shown by combining the terms within the parentheses but that she​ c

an't do the same thing on the side. Is Sierra​ correct? Explain.
Mathematics
1 answer:
stiv31 [10]3 years ago
8 0

Answer:

Yes, Sierra is correct

Step-by-step explanation:

Given

4(y + 7) > -3 (4 + 5)

Required

Is she correct

The right parenthesis has 4 + 5.

This can be simplified as: 4 + 5 = 9

So, we have:

4(y + 7) > -3 (4 + 5)

4(y + 7) > -3 *9

The left parenthesis has y + 7.

This cannot be simplified because y is a variable and 7 is a number.

<em>Hence, Sierra is correct.</em>

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(-5,24)

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3 years ago
The Monthly Bank pays 3 percent interest, compounded monthly, on their savings accounts. The Daily Bank pays 3 percent interest,
Novosadov [1.4K]

Answer:

The amount that we should deposit in each bank is around $942.

Step-by-step explanation:

Case 1:

A=$1000

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t = 2

r = 3% or 0.03

p = ?

The compound interest formula is :

A=p(1+\frac{r}{n})^{nt}

Substituting values in the formula;

1000=p(1+\frac{0.03}{12})^{12\times2}

=> 1000=p(1.0025)^{24}

=> 1000=1.06175p

p=\frac{1000}{1.06175}

p = $941.84

Case 2:

A=$1000

n = 365

t = 2

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p = ?

1000=p(1+\frac{0.03}{365})^{365\times2}

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p=\frac{1000}{1.06184}

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5 0
3 years ago
Read 2 more answers
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Step-by-step explanation:

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3 years ago
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