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Scrat [10]
3 years ago
15

Brody deposited 8,001 in a savings account with simple interest. Four months later the account held 8,267.70. What is the intere

st rate?
Mathematics
1 answer:
Travka [436]3 years ago
8 0

Answer:

R = 0.8333%/month

(R = 9.9996%/year)

Equation:

r = (1/t)(A/P - 1)

Calculation:

Solving your equation:

r = (1/4)((8267.7/8001) - 1) = 0.00833333

r = 0.00833333

Converting r decimal to R a percentage

R = 0.00833333 * 100 = 0.8333%/month

Calculating the annual rate

0.8333%/month × 12 months/year = 9.9996%/year.

The interest rate required to get a total amount, principal plus interest, of $8,267.70 from simple interest on a principal of $8,001.00 over 0.333333 years (4 months) is 0.8333% per month.

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f(x)= 1/x, vertically stretched by a factor of 7, reflected in the y-axis, translated 5 units to the right, and translated 3 uni
Harman [31]

Answer:

-7/(x-5) - 3

Step-by-step explanation:

First off, to reflect an equation in the y axis, just multiply by -1. Now that it is reflected, to stretch an equation by a factor of 7, multiply it by 7. Now we have -7/x.

Then, to move an equation down by 3 units, simply subtract it by 3. Now we have -7/x - 3.

Lastly, since you want to translate it 5 units to the left, you want the equation to be undefined at x = 5 (because originally it is undefined at x = 0). To do that, set the denominator to x - 5. We arrive at our answer: -7/(x-5) - 3.

8 0
3 years ago
Julia is standing 2 feet away from a lamppost. If she casts a shadow of 5 feet and the light makes a 20° angle relative to the g
givi [52]

Answer:

2.5477 feet

Step-by-step explanation:

Refer the image attached to understand my solution.

BC = height of lamppost.

DE = Julia

AD = shadow of Julia

BD = 2 feet.      AD = 5 feet

BA = BD + AD

       = 2 + 5 = 7 feet

In ΔABC

tan 20° = \frac{BC}{BA}  = \frac{BC}{7}

BC = 7 * tan 20°

BC = 2.5477 feet

SO the height of lamppost = 2.5477 feet

5 0
3 years ago
What is the greatest common factor of 24 and 6?<br>A. 6<br>B. 4<br>C. 2<br>D. 3<br>PLZ HELP ASAP ​
Sladkaya [172]
The answer is 4 have a great day!
3 0
3 years ago
Three quarters the product two number x and y<br>​
olga55 [171]

Answer:

0.75*(x)*(y)

Step-by-step explanation:

4 0
3 years ago
I need help please and I need it by tonight
EastWind [94]

Answer:

6

Step-by-step explanation:

A is 6

If it's right triangle 3,4,5/ 6,8,10

hope this help

8 0
3 years ago
Read 2 more answers
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