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3 years ago

Kimberly got 6 problems wrong on a test of 25 questions. What percent of the questions did she got correct?

Mathematics

2 answers:

Licemer1 [7]3 years ago

6 0

Answer:75%

Step-by-step explanation:

SCORPION-xisa [38]3 years ago

6 0

6/25 wrong
19/25
correct
19/25= n/100
cross multiply
25n= 19(100)
25n=1900
divide both sides by 25
n= 76%

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Is -90 + (-5) positive or negative? Explain how you know.

horrorfan [7]

Answer:

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Step-by-step explanation:

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74$ for working 6 hours.what is the hourly pay rate in hours per dollar

fgiga [73]

Answer:

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Step-by-step explanation:

I'm a bit confused whether you just want hours per dollar or also dollars per hour, so I'll answer both.

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3 years ago

Two partners agree to invest equal amounts in their business. One will contribute $10,000 immediately. The other plans to contr

krek1111 [17]

Answer:

She should contribute $ 8369.38 ( approx )

Step-by-step explanation:

Let P be the amount invested by the other partner,

∵ The amount formula in compound interest,

$A=P(1+\frac{r}{n})^{nt}$

Where,

r = annual rate,

n = number of compounding periods in a year,

t = number of years,

Here, r = 9% = 0.09, n = 4 ( quarters in a year ), t = 2 years,

Then the amount after 2 years,

$A = P(1+\frac{0.09}{4})^{8}$

According to the question,

A = $ 10,000,

$P(1+\frac{0.09}{4})^{8}= 10000$

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4 years ago