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Igoryamba
2 years ago
15

Please help brainliest who answer's first and correct

Mathematics
1 answer:
Serhud [2]2 years ago
8 0

Answer:

just start at like 220 i am pretty sure

Step-by-step explanation:

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A=130(1.05)^x by what percent does the balence increase each year?
frosja888 [35]

Answer:

5%

Step-by-step explanation:

The question showing a growing function that commonly used in compound interest calculation. The formula for compound interest is:

A = P (1 +r) ^ t

A= amount of the balance after a period of t

P= principal, the initial money deposit

r= rate

t= time

The percent of balance increase should be represented by the rate(r). In this equation, the principal will be 130, (1+r) will be 1.05, and time will be x.

The value of rate (r) will be:

(1+r) = 1.05

r= 1.05-1= 0.05 = 5%

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3 years ago
(Please help) What is the rate of change of y with respect to x?
dolphi86 [110]

answer will be 2÷18=9

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1.075

Step-by-step explanation:

cuz I said so

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3 years ago
Preston writes 3 songs in 2 days, working 7 hours each day. He spends the same amount of time on each song. How long does he spe
Alekssandra [29.7K]

Answer:

Step-by-step explanation:

In 2 days he spends 2*7 = 14 hours total

He divides the number of hours on each song evenly

14 /3 = 4 2/3 hours on each song.

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2/3 * 60 = 120 / 3 = 40 minutes

Total time spent on each song 4 hours and 40 minutes

5 0
2 years ago
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Step-by-step explanation:

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