60/1 = 180/x
Cross Multiply
180 = 60x
x = 3
It took him 3 minutes to fall 180 feet.
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Answer:
72
Step-by-step explanation:
Answer:
6x214=1284
1284-3 is 1281
Step-by-step explanation:
Answer:
see explanation
Step-by-step explanation:
Using the identity
tan x = 
Consider the left side
= 
( multiply numerator and denominator by cos²x to clear fractions
= 
← ( cos²x + sin²x = 1 ]
= cos²x - sin²x
= right side , thus proven
Answer:
4
Step-by-step explanation:
the scaling factor is 1.5 to go from DEF to QRS.
so,
EF × 1.5 = RS = 6
EF = 6 / 1.5 = 6/1 / 3/2 = 6×2 / 1×3 = 12/3 = 4
