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ASHA 777 [7]
3 years ago
15

For her college fund jenny's parents invested $5000 four years ago. the account has now reached $6312. what is the approximate a

nnual return rate (r) on this investment.​
Mathematics
1 answer:
Tasya [4]3 years ago
4 0

Answer:

Rate = 6.56%

Step-by-step explanation:

Principal (P) = $5000

Interest (I) = $6312

Time (T) = 4 years

Rate (r) = ?

This question is involves simple interest and with the formula, we can easily plug in the values to find the rate.

S.I = P(1 + rt)

S.I = simple interest

P = principal

R = Rate

T = Time

6312 = 5000(1 + r*4)

6312 = 5000 + 5000*4r

6312 - 5000 = 20000r

1312 = 20000r

r = 1312 / 20000

r = 0.0656

Rate are calculated in percentage hence we'll multiply it by 100

R = 6.56%

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we know that

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so

m1*m2=-1

Step 1

<u>Find the slope of the given line</u>

we have

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Solve for y

Divide by 3 both sides

3y/3=(-4x+2)/3

y=-\frac{4}{3}x+ \frac{2}{3}

the slope of the given line is m1=-\frac{4}{3}

Step 2

<u>Find the slope  of a line that is perpendicular to the given line</u>

we have

m1=-\frac{4}{3}

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substitute the value of m1

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4 0
3 years ago
Solve for n <br> 3n - 7 = 6n - 2n
Vika [28.1K]

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6 0
3 years ago
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8 kids bought a 3 cakes. How many equal parts will need to divide it so that everyone can have it. Easy one! ​
Vladimir79 [104]

Answer:

3/8 is your answer.

Step-by-step explanation:

Given:

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mr. and mrs. linx both work for the same company, but they do not have the same hourly wages. Together they make $32.50 per hour
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Answer:

He would at least made $18.95  dollars per hour

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3 years ago
I WILL GIVE BRAINLIEST
ehidna [41]

Answer:

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Explanation!

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