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Fiesta28 [93]
3 years ago
14

Solve the equation. If necessary, round your answer to the nearest tenth.

Mathematics
2 answers:
lukranit [14]3 years ago
8 0

Answer:

5.5 or -5.5

Step-by-step explanation:

I am 100% sure! :>

PLEASE GIVE ME BRAINLIEST!!!!

PLLLEEEEAAAASSSSEEEE!!!!!!!!!!

Agata [3.3K]3 years ago
6 0
B: x = 5.5 or -5.5 (square root) -> 2x = 11 (divide by 2) -> x = 5.5 or -5.5
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A bank features a savings account that has an annual percentage rate of r=5.2% with interest compounded quarterly. Marcus deposi
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Answer:

Part A)

P=\$8,500\\ r=0.052\\n=4  

Part B) S(7)=\$12,203.47  

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

S(t)=P(1+\frac{r}{n})^{nt}  

where  

S is the Future Value  

P is the Present Value  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

Part A)

in this problem we have  

P=\$8,500\\ r=5.2\%=5.2/100=0.052\\n=4  

Part B) How much money will Marcus have in the account in 7 years?

we have

t=7\ years\\ P=\$8,500\\ r=0.052\\n=4  

substitute in the formula above  

S(7)=8,500(1+\frac{0.052}{4})^{4*7}  

S(7)=8,500(1.013)^{28}  

S(7)=\$12,203.47  

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4 years ago
Annabelle is working two summer jobs, making $10 per hour babysitting and making $20 per hour lifeguarding. In a given week, she
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Answer:

she would need to work at least 13 hours lifeguarding to get to the 290 her with the of working an extra 3 hours  

Step-by-step explanation:

subtract the 30 dollars from babysitting from the 290 needed you 260 then divide it by 20

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