Answer:
approximate 23.590 feet
Step-by-step explanation:
tan 65° = x / 11 = 2.145
x = 11 x 2.145 = 23.595
Answer:
x = -3 or 9/4
Step-by-step explanation:
(x+3)(4x-9)
or use the quadratic formula
Answer:
8! or 456 ways
Step-by-step explanation:
8 x 7 x 6 x 5 x 4 x 3 x 2 = 456
4th from the top: 1/2base x height
Answer:
b
Step-by-step explanation:
∠ BAD = 90° and
∠ DAC + ∠ CAB = ∠ BAD, that is
x + 2x - 30 = 90
3x - 30 = 90 ( add 30 to both sides )
3x = 120 ( divide both sides by 3 )
x = 40 → b