Answer:
see explanation
Step-by-step explanation:
Using the cofunction identity
sec(90 - x)° = cscx° , then
7A = 90 - 5A ( add 5A to both sides )
12A = 90° ( divide both sides by 12 )
A = 7.5°
Answer:
Step-by-step explanation:
(-∞,-3) U (-3,8) U(8,∞)
Answer:
3x+45=180
3x=180-45
3x=135
x=45
Step-by-step explanation:
Not absolutely sure I understand the question, but should be 120
Answer <u>(assuming it can be in slope-intercept form)</u>:
Step-by-step explanation:
1) First, use the slope formula 
to find the slope of the line. Substitute the x and y values of the given points into the formula and solve:
So, the slope is 
.
2) Now, use the slope-intercept formula 
to write the equation of the line in slope-intercept form. All you need to do is substitute real values for the 
and 
in the formula.
Since represents the slope, substitute for it. Since represents the y-intercept, substitute 3 for it. (Remember, the y-intercept is the point at which the line hits the y-axis. All points on the y-axis have an x-value of 0. Notice how the given point (0,3) has an x-value, too, so it must be the line's y-intercept.) This gives the following equation and answer:
