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3 years ago

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!!!!

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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

Aloiza [94]

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

romanna [79]

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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3 years ago

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vampirchik [111]

The length is 10
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Katarina [22]

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