1) These angles are actually equal so set the equation to…
58=5x-2
60=5x
X=12
2) These angles are also equal to each other
16x+22=134
16x=112
X=7
3) These angles are equal too
7x-1=125
7x=126
X=18
4) These angles are supplementary so they add to 180 degrees
9x+2+133=180
9x+135=180
9x=45
X=5
5) These angles are equal as well
8x-77=3x+38
5x-77=38
5x=115
X=23
6) These angles are also equal
11x-47=6x-2
5x-47=-2
5x=45
X=9
7) these also sum to 180
13x-21+5x+75=180
18x+54=180
18x=126
X=7
8) These angles add to 180 as well
9x-33+5x+3=180
14x-30=180
14x=210
X=15
In conclusion, just know how to solve simple one variable equation and know which angles are congruent and supplementary and this will be easy.
In the region 0-2, the first derivative has a zero at x=1, and the second derivative (slope of the first derivative line) is positive. This means f(x) will have a minimum at x=1.
Likewise, in the region 4-6, the second derivative is negative and the first derivative is zero at x=5, indicating a maximum there.
These observations narrow the selection to choices A or C. The derivative curve is continuous at x=2 and x=4, so there will not be any discontinuities in f(x)--eliminating selection C.
The best choice is
A.
3. -3. 6. -9
10. 2 = AB 0. 15 =3A
10. -1. 21. -6
(5 + 7x + 6)/2 = 3x + 9
7x + 11 = 6x + 18
7x - 6x = 7
x = 7
EF = 3x + 9
= 3(7) + 9
= 21 + 9
= 30
Answer:
11.25
Step-by-step explanation:
19*5=95 43*10=430