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KatRina [158]
3 years ago
5

jayden's old washing machine took 31 1/2 minutes to wash a load. He bought a new washing machine that takes 10% longer. How long

does jayden's new washing machine take to wash a load?
Mathematics
2 answers:
Alborosie3 years ago
8 0

Answer:

28.35

Step-by-step explanation:

10 percent of 31.5 = 3.15

31.5

-3.15

-------------

28.35

ivanzaharov [21]3 years ago
7 0

Answer:

34.45 minute or 34 and 9/20 minutes

Step-by-step explanation:

10 percent of 31.5 is 3.15

And 31.5+3.15=34.45

We add because it is 10% longer.

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Khan uses 78ft of fence for a pen and the length is 25ft. What is the width
mariarad [96]

Answer:

The width is 14ft

Step-by-step explanation:

Given

Fence = 78

Length = 25

Required

Determine the width

To do this, we assume that the fence is a rectangle

So, we use the following formula.

Perimeter = 2 * [Length + Width}

Where:

Perimeter  = Fence = 78

So, we have:

78= 2 * [25 + Width}

Divide both sides by 2

39= 25 + Width

Solve for Width

Width = 39 - 25

Width = 14

7 0
3 years ago
What is the solution to this equation? −1/4(x+1 2/3)=−2 1/5
pogonyaev

Answer:

x = 107/15

Step-by-step explanation:

Our first step should be to turn all of the mixed fractions into improper fractions. So, 1 2/3 becomes 5/3, and -2 1/5 becomes -11/5. We now get -1/4(x + 5/3) = -11/5. Now we should divide both sides by -1/4, and we get x + 5/3 = -11/5 x -4 = 44/5. So x + 5/3 = 44/5. We want the denominator to be equal on both sides so a common denominator could be 15. 5(5)/3(5) = 25/15. 44(3)/5(3) = 132/15. So now we have x + 25/15 = 132/15. We subtract both sides by 25/15 and we get x = 107/15.

7 0
2 years ago
It takes an average of 40 seconds to download a certain file, with a standard deviation of
Helen [10]
The probability of spending more than 1 minute for this download is : Very Low or almost impossible.
Even after counting the standard deviation, the worst amount of time is about 45 seconds

hope this helps
5 0
3 years ago
What grade do you need on your next exam to have a 91 average on the five exams?
Hoochie [10]

Answer:

you will have to have a 99% grade

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
What is the least common denominator (LCD) for these fractions? 1/12and3/4? 4 12 16 48
luda_lava [24]

Answer:

12

Step-by-step explanation:

1/12 is reduced to its lowest point.

3/4 can be increased to 9/12 by:

\frac{3}{4} × \frac{3}{3} = \frac{9}{12}

So, the least common denominator is 12.

4 0
4 years ago
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