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makkiz [27]
2 years ago
8

How much interest is earned on a principal of $2.58 invested at an interest rate of 5% for four years?

Mathematics
2 answers:
pochemuha2 years ago
7 0

Answer:

Step-by-step explanation:

The formula for simple interest is

prt = I, where p is the initial investment, r is the interest rate in decimal form, t is the time it's invested for, and I is the interest earned. We multiply the p, the r, and the t together to get I. For us that looks like this:

(2.58)(.05)(4) = I and

I = .516 or 52 cents.

Evgesh-ka [11]2 years ago
4 0

Answer:

$0.516≈ 0.52

Step-by-step explanation:

For simple interest:

=PRT/100

=2.58 * 5 * 4/100

= 51.6/100

= $0.516 = $0.52 ( when rounded off)

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▹ Answer

<em>y = 15, -15</em>

▹ Step-by-Step Explanation

This is considered a 'square root' since we have to find y^2.

15 * 15 = 225

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Both of these values work for y, so the answer is 15, -15.

Hope this helps!

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4 0
2 years ago
Read 2 more answers
Can someone give me the answers plz:)
Alborosie

Remark

There is no short way to do this problem and no obvious way to get the answer other that to solve each part.  

Solve

A

\dfrac{x + 1.6}{2} =\text{x + 0.1}                    Multiply by 2

x + 1.6 = 2(x + 0.1)                                         Remove the brackets

x + 1.6 = 2x + 0.1*2                                        

x + 1.6 = 2x + 0.2                                          Subtract x from both sides

1.6 = x + 0.2                                                  Subtract 0.2 from both sides  

1.6 - 0.2 = x                        

1.4 = x

Circle A

B

Subtract 2x from both sides.

3x - 2x = 1.4

Circle B

C

Remove the brackets.

4x + 6 = 2x - 6           Add 6 to both sides

4x + 12 = 2x               Subtract 4x from both sides.

12 = -2x                      Divide by - 2

12/-2 = x

x = - 6                         Don't circle C

D

I'm going to be very scant in my solution of this. You can fill in the steps.

3x = 4.2

x = 4.2/3

x = 1.4

Circle D

5 0
3 years ago
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Which triangle is similar to ABC
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The triagle which is similar to ABC id DEF. The first option is correct since thwy have the same measurement of its sides
4 0
3 years ago
Simplify.
steposvetlana [31]
I hope this helps you



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Svet_ta [14]
C is the answer to your question
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