Find the value of x.

x = 9

Step-by-step explanation:

A triangle's interior angles must add up to 180, and with one angle labeled as a right angle, we know that the two remaining angles must add up to 90.

So,

(3x - 5) + (7x + 5) = 90

3x + 7x - 5 + 5 = 90

10x = 90

x = 9

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.

tap for more

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:

cheater

step-by-step explanation: