The Cox family and the Bennett family each used their sprinklers last summer. The Cox family's sprinkler was used for 40 hours. The Bennett family's sprinkler was used for 25 hours. There was a combined total output of 1575 L of water. What was the water output rate for each sprinkler if the sum of the two rates was
45 L per hour?

find the magnitude of the trig term  

csc

(

x

)

−

1

by taking the absolute value of the coefficient.

1

find the lower bound of the range.

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y

=

−

2

find the upper bound of the range.

tap for more

y

=

0

the range is  

y

≤

−

2

or  

y

≥

0

.

(

−

∞

,

−

2

]

∪

[

0

,

∞

)

{

y

|

y

≤

−

2

,

y

≥

0

}

step-by-step explanation:

the correct answer is x/3+10≥32

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