Answer:
x = 60.
Step-by-step explanation:
Vertical angles are congruent so
x + 20 = 80
x = 80 - 20 = 60.
Answer:
38.45
Step-by-step explanation:
Answer:
y = 2
Step-by-step explanation:
y varies inversely with x setup is:
y = k/x
7 =
(find 'k')
k = 7/1 · 2/3
k = 14/3
use what you know about 'k' and 'x' to solve for 'y'
y = 14/3 ÷ 7/3 (remember to multiply by the reciprocal when dividing fractions)
y = 14/3 · 3/7
y = 2
Answer:
-25
Step-by-step explanation:
You can round -98.5 to 100
Then round 3.8 to 4
Negative divided by positive is negative.
-100 ÷ 4 = -25
Answer:
43
Step-by-step explanation:
add up each side
14 + 14 = 28
28 + 6 = 34
34 + 9 = 43