80x70= y and then 400 - y= your answer! Ignore the four in. Deep part
Answer:
x = 80
Step-by-step explanation:
x + 30 = 110 (opposite sides are congruent/equal)
x = 110 - 30 (subtract the 30 from both sides to get X by itself)
x = 80 (simplify)
Answer:
128,955 rounds to 130000 i believe
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
Either a or b could work, but he's a magician so it's probably rigged
Answer:
x = 9√3
y = 18
Step-by-step explanation:
Using SOH CAH TOA
sin (thita) = Opp/hyp
sin 30 = 9/y
y = 9/sin 30
y = 9/0.5
y = 9×2
y = 18
Cos (theta) = Adj/hyp
cos 30 = x/18
x = 18×cos30
x = 18 × √3/2
x = 9√3
