For 15:
equate both left-hand sides and you will get a quadratic ..
Solve it for x, you get:
x=4, x=-1.75
B
For 16:
the vertex would be (h,k) = (2,4)
A
Answer:
watch a video for a hint
Step-by-step explanation:
Answer is 20 centimeters
Step-by-step explanation:
Answer:
64.5°
Step-by-step explanation:
angle of elevation is the angle from the point where the shadow ends. this create a right angle triangle. using tan, you can find the angle.
tan theta = opposite/adjacent
angle = tan^-1(42/20)
angle = 64.5°
Answer:
0.125
Step-by-step explanation:
1/8 = 0.125