ANSWER
EXPLANATION
The given angle is 870°.
870°-360°-360°=150°
This means that:
870° is coterminal with 150°, hence its terminal side is in the second quadrant.
It makes an acute angle of 30° with the x-axis.
Note that cotangent is negative in the second quadrant,
Hence,
The first option is correct.
To find the x-intercept, you need to set y equal to zero(think about this on a graph!)
This will become:
x + 2(0) = 8
If we remove the unnecessary zero:
x = 8
That's the x intercept, which can be expressed as the point (8,0).
To find the y-intercept, you need to set x equal to zero(again, think about that on a graph!)
This becomes:
0 + 2y = 8
Remove the unnecessary 0:
2y = 8
Divide both sides by 2:
y = 4
There ya go! Or, in point form: (0, 4)
Hope this helped! :)
~Chrys
Each of the equations can be solved as shown below:
a. 
(<em>addition property of equality</em>)
(<em>Subtraction property of equality</em>)
<em> (Division property of equality)</em>
<em />
b. 
<em>Add like terms </em>
<em />
(<em>Subtraction property of equality</em>)
<em> (Subtraction property of equality)</em>
<em />
<em> (Division property of equality)</em>
<em />
c. 
d. 
<em>The value of x in each </em><em>equation</em><em> are:</em>
<em />
Learn more here:
brainly.com/question/1527981
Answer: 120
<u>Step-by-step explanation:</u>
Permutation means that order matters.
Answer:
(A) 21
Step-by-step explanation:
5x-15 needs to equal 90 since it is a right angle and 21 makes that true
