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12345 [234]
3 years ago
10

Joan has 5//13 of a book left to read for school.Joan read 2/13 of a book on Saturday .How many books does Joan have to read

Mathematics
1 answer:
kati45 [8]3 years ago
6 0
Well you would first add 5/13 and 2/13, so 7/13. Then you would subtract 7 from 13. So your answer would be 6/13. Hope that helped!
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Laura can finish payroll in 3 hours. it takes ben 5 hours to do the same job. If they work together, how long should it take the
In-s [12.5K]

Answer:

the answer will be two hours because they are two this means if Laura finishes in 3hours and Ben finished the the same job in 3hours the answer will be the Lauras minus the Ben so I think it's 2hour the answer will be 2hour

6 0
3 years ago
Solve by taking the square root of both sides.
horrorfan [7]

Answer:

a

Step-by-step explanation:

Given

3(x + 3)² - 81 = 0 ( add 81 to both sides )

3(x + 3)² = 81 ( divide both sides by 3 )

(x + 3)² = 27 ( take the square root of both sides )

x + 3 = ± \sqrt{27} = ± 3\sqrt{3} ( subtract 3 from both sides )

x = - 3 ± 3\sqrt{3}

x = - 3 - 3\sqrt{3} or x = - 3 + 3\sqrt{3} → a

8 0
2 years ago
Read 2 more answers
Raymond is building a fence for a dog run. the dog run will be a rectangle with a length of 24 feet and a width that is 2/5 the
Cerrena [4.2K]

Answer:

The perimeter of the dog run will use 67.2 feet of fencing.

Step-by-step explanation:

First find how long the width is.

24 * 2/5 = 9.6

The width of the fence is 9.6 feet.

To find the total perimeter, add double the length and width.

24 * 2 = 48

9.6 * 2 = 19.2

48 + 19.2 = 67.2

3 0
3 years ago
In 30 seconds, 2-year-old Janay's heart beats 36 times.
skelet666 [1.2K]

Answer: 144 beats

Step-by-step explanation

3 0
3 years ago
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Explain how you can use place-value patterns to describe how 50 and 5000 compare
Masteriza [31]
If you have 50. and want to make it 5000 you can move the decimals point over 2 which would also be ×100
6 0
3 years ago
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