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Neko [114]
3 years ago
9

A sludge pool is filled by two inlet pipes. One pipe can fill the pool in 11 days and the other pipe can fill it in 22 days. How

ever, if no sewage is added, waste removal will empty the pool in 37 days. How long will it take the two inlet pipes to fill an empty pool? ___________ days
Mathematics
1 answer:
Cerrena [4.2K]3 years ago
4 0

Answer:

i-09 vhcgcdg hdc

Step-by-step explanation:

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Find 3 consecutive even integers if their sum decreased by 10 equals -22
Orlov [11]
Three consecutive even integers can be represented by x, (x+2), and (x+4).

(x + (x + 2) + (x + 4)) - 10 = -22   Get rid of the parentheses
    x + x + 2 + x + 4 - 10 = -22   Combine like terms (x + x + x) and (2 + 4 - 10)
                               3x - 4 = -22   Add 4 to both sides
                                    3x = -18   Divide
                                      x = -6
Check you work.

x = -6
x + 2 = -4
x + 4 = -2

(-6 - 4 - 2) - 10 = 22
-12 - 10 = -22

So, your three integers are -6, -4, and -2 .
6 0
3 years ago
The regular hexagon shown has rotational symmetry. Which of the following is its angle of rotation?
Ilya [14]
I believe it’s 90 angel
5 0
3 years ago
It takes Dave's dogs about 20 days to finish a 50-pound bag bag of dog food. which is the best estimate of number of pounds of d
Fynjy0 [20]
The correct answer is C) 900

To begin with, you need to divide the number of days in a year with the number of dogs. When you do this, you multiply it by 50 to get the final answer. In this case, it would be 365 / 20 which when multiplied by 50 gives the number of C) 900 since it's "about" 20 days.
6 0
3 years ago
I need help with all three please help!
denis-greek [22]

Answer:

c

a

b

Step-by-step explanation:

5 0
3 years ago
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scoundrel [369]

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