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matrenka [14]
3 years ago
15

an oil tanker can be emptied by the main pump in 5 hours. an auxiliary pump can empty the tanker in 8 hours. if the main pump st

arted at 5 pm, when should the auxiliary pump be started so that the tanker is emptied by 9 pm?
Mathematics
2 answers:
Verizon [17]3 years ago
8 0
1pm is the correct answer
8+1=9
r-ruslan [8.4K]3 years ago
6 0

Answer:

1 pm

Step-by-step explanation:

1 + 8 = 9

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Daniel buys two apples for every five oranges. If you bought 12 apples, how many oranges dis he buy?
wariber [46]

Answer:

30 oranges

Step-by-step explanation:

2 apples : 5 oranges

12 apples : 30 oranges

because 12 apples is 6 times the original ratio, so we multiply the 5 oranges by 6 too.

8 0
3 years ago
What radian measure is equivalent to 900°?<br> 5n<br> 10n<br> 1/5n<br> 9n
Sergeu [11.5K]
9n is the answer to this question
3 0
3 years ago
Read 2 more answers
To which set or sets does the number 12 belong? real numbers and natural numbers only real numbers, whole numbers, and integers
almond37 [142]
First off, let's take a look at what these numbers are:

Real numbers: It can be any numbers,both rational and irrational.

Natural numbers: The number has to be integer and positive.

Integers: A number without fraction or demical place.

Whole number: The number has to be natural and cannot be negative.

Therefore, as 12 is a positive number with no demical place or fraction, it is real numbers,integers, whole numbers, and natural numbers.

Hope it helps!
5 0
3 years ago
If the value of "Y" varies directly with "X" and y=-8,when x=20,find "Y"if x=-4
kherson [118]

Answer:

y is 8/5 when x = -4.

Step-by-step explanation:

If the value of "Y" varies directly with "X", we can write y = kx, where k is the constant of proportionality.

If "y=-8,when x=20," then we can find k:    -8 = 20k, or k = -2/5.

Then y = (-2/5)x.

If x = -4, then y = (-2/5)(-4) = 8/5

y is 8/5 when x = -4.

6 0
3 years ago
Ratio equivalent to 48:24
Evgen [1.6K]
48:24 = 24:12 = 12:6 = 6:3 (divide each number by 2 or multiply by 2)
3 0
4 years ago
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