Hello!
7.5 * 4 is equal to 30
7 * 4 = 28
.5 * 4 = 2
28 + 2 = 30
I hope this helps, and have a nice day!
Answer:
-16
Step-by-step explanation:
fog(x)=f(gx)
= -5×4+4
= -20+4
= -16
X is 90°
A triangles angles add up to 180° so
180 - 47 - 90 = y
180 - 137 = y
y = 43°
Step-by-step explanation:
see the pic for the answer