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nexus9112 [7]
3 years ago
12

Matt has 80,000 in a savings account. The interest rate is 12% pre year and is not compounded. How much will he have in 4 months

Mathematics
1 answer:
DENIUS [597]3 years ago
7 0
Matt will earn 3,200 interest in 4 months.

Given:
principal : 80000
interest rate : 12%
term : 4/12  *4 months in a year

Simple Interest = Principal x Interest rate x term

S.I. = 80000 x 12% x 4/12
      = 9600 x 4/12
S.I. = 3,200

OR
12% ÷ 12 month = 1% per month

S.I. = 80000 x 1% per month x 4 months
S.I. = 800 x 4 months
S.I. = 3,200
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Krystal can wax a floor in 16 minutes. Perry helped her and it took 5.76 minutes. How long would it take perry to do it alone?
finlep [7]
<span>Krystal's rate = 1 floor in 16 min. = 1/16 floors per min.

Working together their rate = 1 floor in 5.76 min. = 1/5.76 floors per min.

We need to determine Perry's rate, so we need to equate their combined rate with the sum of the individual rates.

Let Perry's time = x

In equation form, we can write:
1/16 + 1/x = 1/5.76
Solve for x:

(x+16)/16x = 1/5.76 -> 5.76(x+16) = 16x -> 10.24x = 92.16 -> x = 9

So, Perry would take 9 mins. to do the floor alone.

I hope this helped!
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8 0
3 years ago
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Aleksandr [31]

Answer:

v=18

Step-by-step explanation:

10-3v-1=5(9-v)

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10-3v-1=45-5v

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7 0
3 years ago
Use the given information to determine the exact trigonometric value.
iren [92.7K]

its C

Step-by-step explanation:

- 2\sqrt5

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2 years ago
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Sedbober [7]

Answer: the answer is 16

Step-by-step- explanation:

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Brrunno [24]

Answer:

x=4

Step-by-step explanation:

3x-3=9

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3x=12

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5 0
3 years ago
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