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lubasha [3.4K]
3 years ago
15

A pool can be filled by one pipe in 8 hours and by a second pipe in 3 hours. How long

Mathematics
1 answer:
Natalka [10]3 years ago
7 0

Answer:

x=2.4 hours or 2 hours and 24 minutes together

Step-by-step explanation:

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The wavelength of green lights is about 0.00000051 meter. What is the estimated wavelength as a single digit times a power of 10
kari74 [83]

<em><u>Answer:</u></em>

<h2>5.1 X 10^-7</h2>

<u><em>Reason:</em></u>

It is to the -7 because you would have to move the decimal left (-) 7 times to get the original 0.00000051.

Hope this helps! ;)

6 0
3 years ago
Can you help me please with this proof ? thank you!!​
Alika [10]

Answer:

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3 years ago
Solve for 1/3(x+2)=2/3x+4
Norma-Jean [14]

Answer:

Step-by-step explanation:

Let's solve your equation step-by-step.

1

3

(x+2)=

2

3

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Answer:

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8 0
3 years ago
Gracia and Jim were shooting free throws. Gracia made 4 out of 15 free throws. Jim missed 6 out of 16 free throws. Who made the
Montano1993 [528]
If Jim missed 6 out of 16 free throws, then he made 10/16 free throws. At the same time Gracia made 4/15 free rows. The common denominator of those fractions (if we simplify 10/16 to 5/8) is 120, so:

Garcia made 4/15 = 32/120 free throws
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We can clearly see that Jim was more than two times better than Garcia.
8 0
3 years ago
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Find the number of possible outcomes Five books need to be placed on a shelf. You randomly arrange the books on the shelf from l
iren [92.7K]

Answer:

120

Step-by-step explanation:

Let's say you put them on the shelf one by one, from left to right.

You can pick 1 of the 5 for the first position.

5

Now you have 4 books left. You pick one out of those 4 for the second position.

5 * 4

There are 3 choices left for the 3rd position.

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2 left for the 4th position.

5 * 4 * 3 * 2

Finally, there is one book left for the 5th position.

5 * 4 * 3 * 2 * 1

Now we multiply:

5 * 4 * 3 * 2 * 1 = 120

7 0
3 years ago
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