D = x
E = .5x
F = 2x-2
(x)+(.5x)+(2x-2)=180
3.5x-2=180
3.5x=182
x=52
F = 2(52)-2 = 102 degrees
Use the law of cosines to find the value of cos theta. round your answer to two decimal places.
The opposite side of the theta is 5.7. Adjacent to the theta is 9.8.
Hypotenuse is 10.2
A. 0.35
B. 0.23
☆☆☆☆☆☆☆☆☆☆☆☆☆☆C. 0.84
D. 1.23
Answer:6 pieces
Step-by-step explanation:
There are 2/8 per every 1/4. This means that a 3/4 foot long board is equivalent to a 6/8 foot long board, and can therefor be cut into 6 1/8 foot segments.
Answer:
-x-3, 7x-3, -15
Step-by-step explanation:
For first 2 just add/subtract their equations. For the last one (r.s)(-1) is the same as r(s(-1)) so s(-1)=4(-1)=-4 and r(-4)=3(-4)-3=-12-3=-15