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murzikaleks [220]
3 years ago
6

Solve for d. 5 = 3d + 2

Mathematics
2 answers:
Flauer [41]3 years ago
5 0

Answer:

1

Step-by-step explanation:

5=3d+2

subtract the 2 on both sides

3=3d

divide 3 on both sides

you get 1

Vadim26 [7]3 years ago
5 0

Answer:

D=1

Step-by-step explanation:

5=3d+2

We move all terms to the left:

5-(3d+2)=0

We get rid of parentheses

-3d-2+5=0

We add all the numbers together, and all the variables

-3d+3=0

We move all terms containing d to the left, all other terms to the right

-3d=-3

d=-3/-3

d=1

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$1500 is invested at a rate of 3% compounded monthly. Write a compound interest function to model this situation. Then find the
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Answer:

<u>Equation</u>:  F=1500(1.0025)^{12t}

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<u></u>

Step-by-step explanation:

This is a compound growth problem . THe formula is:

F=P(1+\frac{r}{n})^{nt}

Where

F is future amount

P is present amount

r is rate of interest, annually

n is the number of compounding per year

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Given:

P = 1500

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n = 12 (compounded monthly means 12 times a year)

The compound interest formula modelled by the variables is:

F=1500(1+\frac{0.03}{12})^{12t}\\F=1500(1.0025)^{12t}

Now, we want balance after 5 years, so t = 5, substituting, we get:

F=1500(1.0025)^{12t}\\F=1500(1.0025)^{12*5}\\F=1500(1.0025)^{60}\\F=1742.43

<u>The balance after 5 years is:  $1742.43</u>

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