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serious [3.7K]
3 years ago
12

Sonya put $400 in a savings account for 3 years which pays 5% annual simple interest. The formula to determine the amount of int

erest earned is given by i = prt.
i represents the interest earned
p represents the principal invested
r represents the rate
t represents the time in years.
Using the formula above, how much interest will Sonya earn?
Mathematics
1 answer:
Aleks04 [339]3 years ago
8 0

Answer:

I snsmxxabrsgfbsseg

Step-by-step explanation:

zcnsd csndmfbva,ejfn vegbrb

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How many fifths are there in 3⅗​
Ilya [14]

Answer:

18/5

Step-by-step explanation:

5 1/5 = 1 thus 3 are 15 + 3 = 18/5

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3 years ago
Read 2 more answers
An online data base charges $25 an hour during the day and $12.50 an hour at night. If a research company paid $250 for 12 hours
Firdavs [7]

Answer

Find out the  which system of equations could be used to determine the number of hours charged at the day rate (d) and at the night rate (n) .

To proof

As given in the question

Let us assume that the number of hours charged at the day rate = d

Let us assume that the number of hours charged at the night rate = n

An online data base charges $25 an hour during the day and $12.50 an hour at night. If a research company paid $250 for 12 hours of use.

Total working hour in a company including day and night be  12 hours .

than the equation become in the form

d + n = 12

also

An online data base charges $25 an hour during the day

$12.50 an hour at night.

If a research company paid $250 for 12 hours of use.

than the equation becomes

25d + 12.50n = 250

than the two equation are

d + n = 12 , 25d + 12.50n = 250

multiply first by 25 and subtracted  from 25d + 12.50n = 250

25d - 25d + 12.50n - 25n = 250 - 300

12.5 n = 50

n = \frac{50}{12.5}

n = 4hours

put this in the d + n = 12

d + 4 =12

d = 12-4

d = 8 hours

Therefore the number of hours charged at the day rate  is 8 hours  and at the night rate is  4hours .

Hence proved



4 0
3 years ago
Evaluate the following equation for p:<br> -3p + 6 + 7p = 22
strojnjashka [21]

Answer:

4

Step-by-step explanation:

-3p+6+7p=22

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2 years ago
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The difference between 4x and 2x is 70. Find the 2x​
VashaNatasha [74]

Answer:

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Step-by-step explanation:

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What are the y-intercept and the slope of the line represented in the graph?
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Y int is where the line crosses y axis....so it is 4.
the slope is -2
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