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Lelechka [254]
3 years ago
9

One person can do a certain job in twenty-one minutes, and another person can do the same job in twenty-eight

Mathematics
1 answer:
ivolga24 [154]3 years ago
4 0

Answer: 12

Step-by-step explanation:

if there are 2 people then doing the same job then that means divide by two so 8 which is off the 28 , 8 divided by 2 is 4, then, that makes 24 , and 24 divided by 2 is 12 so the answer is 12

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Zinaida [17]
Mult. f(x) = x^4 by 2 will stretch the graph vertically by a factor of 2.
Thus, eliminate (a) and (b).

Mult. x by (1/4) will stretch the graph horiz. by a factor of 4.  Thus, (c) is the correct answer.
5 0
4 years ago
What is 103.468 rounded to the nearest liter
kondaur [170]
So you have to round up if it is 5 or higher and dont if 4 or lower so the nerest is 104 liters 
4 0
3 years ago
Read 2 more answers
The incubation period for the eggs of a House Wren has a normal probability distribution with a mean time of 336 hours and a sta
geniusboy [140]

Answer:

2.28%

Step-by-step explanation:

If X is the random variable that measures the time of incubation needed before hatching, we want

P(X>343)

This is the area under the normal curve whose mean is 336 hours and its standard deviation 3.5 hours to the right of the point 343. (See picture attached)

This can be done easily with the help of a computer and we find

P(X>343) = 0.0228 or 2.28%

6 0
3 years ago
Eduardo bought 3 liters of water, 2,750 milliliters of sports drink and 2.25 liters of juice. Which statement is true? Group of
ValentinkaMS [17]

Answer:

Step-by-step explanation:

What we will do is evaluate each of the statements:

Eduardo bought 3 liters of water. This statement may be true, because he was able to buy the water for multiple people or for another use.

2,750 milliliters of sports drink. It is false because the quantity is too small to drink.

2.25 liters of juice. As in the case of water, it can be true if it is to be taken in a group.

7 0
3 years ago
Choose two number sentences below that equal 39:
Vanyuwa [196]
A, because 71-32 is equal to 39
C, because 85-46 is also equal to 39
7 0
2 years ago
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