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ehidna [41]
3 years ago
14

Christi has $7,500 to invest. She was offered a simple annual interest rate of 4% for three years, but wants to look at other op

tions. Which of the following changes will increase the interest she earns the most?
A-Simple interest, 4.2%, 3 years
B-Simple interest, 4.1%, 3 years
C-Simple interest, 4%, 3.25 years
D-Compound interest, 4%, 2.75 years
Mathematics
1 answer:
lara31 [8.8K]3 years ago
4 0

Answer:

a

Step-by-step explanation:

i think your missing the years that they put in the offer but this is my answer

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Can somebody help me with this pretest
Ann [662]

Answer:

yes, I can help you do it.

8 0
2 years ago
A right cylinder has a radius of 6 m and a surface area of 84 m². Find the surface area of a similar cylinder with a radius of 2
dlinn [17]

Answer:

The surface area of the second cylinder is equal to 9.33\ m^{2}

Step-by-step explanation:

we know that

If two figures are similar then

the ratio of their surfaces areas is equal to the scale factor squared

Let

z-------> the scale factor

x------> the surface area of the smaller cylinder (second cylinder)

y-------> the surface area of the original cylinder (first cylinder)

so

z^{2}=\frac{x}{y}

Step 1

Find the scale factor

z=\frac{2}{6}=\frac{1}{3}

Step 2

Find the surface area of the second cylinder

we have

z=\frac{1}{3}

y=84\ m^{2}

substitute and solve for x

(\frac{1}{3})^{2}=\frac{x}{84}

x=\frac{1}{9}*84=9.33\ m^{2}


5 0
2 years ago
A square patio has an area of 200 square feet. How long is each side of the patio to the nearest tenth?
Jlenok [28]
Area (square)=side²
therefore:
side²=200 feet²
side=√(200 feet²)=14.142 feet≈14.1 feet.

solution: side of square=14.1 feet.
7 0
3 years ago
HELPPPP. EXPLAIN IT IN 2 SENTENCES
schepotkina [342]
B for 8 would be 6.2 
b for 9 would be 7
The b is adding 0.8 each time
Hope this helps!
6 0
3 years ago
Read 2 more answers
Please help me!!!!!!!!!!!!!!!!!!!!!! −4−(−2)
ozzi

Answer:

-2

Step-by-step explanation:

- and - is positive so -4+2 is -2

8 0
3 years ago
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