Answer:
Step-by-step explanation:
tan61=FD/24
FD=24tan61
tan19=DE/FD
DE=FDtan19, since FD=24tan61
DE=(24tan61)(tan19) (exact)
DE=14.9 units (rounded to nearst tenth)
Though they might round to 15 units...
Answer:
13
Step-by-step explanation:
x = 1
P(x) = 8(1)² + 5
P(x) = 8 + 5
P(x) = 13
Permutations
slot method
8 slots
1st slot has 8 choices
2nd has 7 because 1 went to first slot
3rd has 6
4th has 5
5th has 4
6th has 3
7th has 2
8th has 1
8*7*6*5*4*3*2*1=40320 ways