Answer:
4xy(2+y)
Step-by-step explanation:
Factor 4
x
y out of 8
x
y
.

Factor 4xy out of 
4xy(2) + 4xy(y)
Factor 4
x
y out of 4
x
y
(
2
) + 4
x
y
(
y
)
.
4xy(2+y)
hope this helps :)
Answer:
x = 9.47 degrees ( in first quadrant.
Step-by-step explanation:
sin2x + sinx cos x = 1/2
Now sinx cos x = 1/2sin2x so:
3/2sin2x = 1/2
sin2x = 1/2 / 3/2
sin2x = 1/2 * 2/3 = 1/3
2x = arcsin 1/3 = 19.47 degrees
x = 9.74 degrees to nearest hundredth.
Answer:
166.1
Step-by-step explanation:
It would become 11.5 * 7 + 10.7 * 8 = 80.5 + 85.6 = 166.1