Answer:
Step-by-step explanation:
Given that angle A is in IV quadrant
So A/2 would be in II quadrant.
sin A = -1/3
cos A = 
(cos A is positive since in IV quadrant)
Using this we can find cos A/2

Answer:
<u>y = | x - 3 | is graphed on the attachment below </u>↓
Step-by-step explanation:
If you ever need an equation graphed, here's a useful site called Desmos that can do that really well and for free.
Answer:
392
Step-by-step explanation:
3 rectangular faces
7 x 16 = 112
7 x 16 = 112
7 x 16 = 112
2 triangular faces
1/2 x 7 x 8 = 28
1/2 x 7 x 8 = 28
Total surface area:
112 + 112 + 112 + 28 + 28 = 392
Answer:
ummmmm. I can not see the question...
Answer:
2.84×10²
Step-by-step explanation:
0.0284×10⁴
Move the decimal point 4 places to the right.
284
Now write in scientific notation by moving the decimal point 2 places to the left, behind the 2.
2.84×10²