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IRINA_888 [86]
3 years ago
12

HELP WITH MATH PLEASE! ASAP!!! Annika borrowed a book from the library and forgot to return it on time. The library charges $0.2

5 per day for the first four days and $0.30 per day for all of the remaining days of Annika had to pay the library $4.00. How many days late was her book? THANKS
Mathematics
2 answers:
ser-zykov [4K]3 years ago
6 0
14 days
.25 x 4days = $1.00
0.30x 10 days = $3.00

$3 + $1 = $4
mario62 [17]3 years ago
5 0
If she had to pay $4.00, then we know she was late 4 days for sure. 4*0.25 = 1.

Then we know she was an extra 10 days late because 10*0.30=3.

3+1= $4.00

She was late 14 days altogether.
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a washer and a dryer cost 1020$ combined, the washer costs 70$ more than the dryer. What is the cost of the dryer?
finlep [7]

Answer:

$950

Step-by-step explanation:

x+70=1020 so subtract 70 from both sides

x=950 cost of dryer

1020-950=70 washer is 70 more than dryer

6 0
3 years ago
How many solutions does the equation 3x − 7 = 4 + 6 + 4x have? (5 points) Two None Infinitely many One
statuscvo [17]

Answer:

There is one solution.

x = -17

<em>Proof and step-by-step explanation:</em>

Step 1: <em>Add the numbers</em>

3x-7 = 4+6+4x

3x-7 = 10+4x

Step 2: <em>Move</em><em> </em><em>terms</em>

3x-7 = 10+4x

3x-4x = 10+7

Step 3: <em>Collect the like terms and calculate the sum</em>

3x-4x = 10+7

-x = 17

Step 4: <em>Change the sign by multiplying both sides by -1</em>

-x (×-1) = 17 (×-1)

x = -17

I hope this helped ! :)

7 0
4 years ago
Divide and simplify. Give your answer using positive exponent. Leave your answer in exponential notation.
yaroslaw [1]

Answer:

14⁻⁵

Step-by-step explanation:

Dividing two exponents with the same base has the effect of <em>subtracting</em> the bottom exponent from the top one. Following that rule, we can simplify our fraction like this:

\dfrac{14^{-3}}{14^2}=14^{-3-2}=14^{-5}

3 0
3 years ago
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I think it would be layer 4
5 0
3 years ago
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9) John bought a pair of shoes that normally costs $79, but was on sale
Jobisdone [24]

Answer:

79/100 X 15 = 11.85

79 - 11.85 = 67.15

67.15/100 X 8.25 = 5.539875

67.15 + 5.539875 = 72.689875

total cost $72.69

8 0
3 years ago
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