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kobusy [5.1K]
3 years ago
7

One hose can fill a pool in 12 hours. another hose can fill the same pool in 8 h

Mathematics
1 answer:
just olya [345]3 years ago
3 0
Answer: 4.8 hours

Explanation:

One hose can fill a pool in 12 hours.
The other house can fill the same pool in 8 hours.

If they fill the pool together, 
 \text {Time Needed } =  \cfrac{12 \times 8}{12 + 8} = 4.8 hours

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How many feet are in half a mile?
ivanzaharov [21]

Answer:

answer below:)

Step-by-step explanation:

There are 5280 feet in one mile. So, half a mile is equal to 0.5 x 5280 = 2640 feet.

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3 years ago
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Solve for x. 1/2x + 3 = 2/3x + 1
makvit [3.9K]

Answer:

x = 12

Step-by-step explanation:

\frac{1}{2} x + 3 = \frac{2}{3} x + 1

multiply through by 6 ( the LCM of 2 and 3 ) to clear the fractions

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5 0
1 year ago
A particular fruit's weights are normally distributed, with a mean of 618 grams and a standard deviation of 24 grams. If you pic
Lorico [155]
Answer: The probability is 0.5136.

To find this probability we have to find the range of the values on the normal distribution table.

First, we need to find the percent for each making z-score.

Lower end: 50/24 = 2.08 = 0.0183

Upper end: 2/24 = 0.08 = 0.5319

Now, that we have the upper and lower ends, we can subtract them to find the difference or the range.  

0.5319 - 0.0183 = 0.5136

There is a 51.36% chance they are in the given range.
3 0
3 years ago
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Andru [333]
I want to say its 6 but I'm not sure. sorry
8 0
3 years ago
The box-and-whisker plot summarizes student scores on a physical fitness test. Students receive an award for scores at or above
Lena [83]

Answer:

74

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