Answer:
Step-by-step explanation:
sin^-1 (21/67) = 18.27 degrees
√(67)^2 - (21)^2 = 63.62
Answer:
2(x-5)(x+4)
Step-by-step explanation:
2x^2 − 2x − 40
Factor out a 2
2(x^2 -x -20)
What 2 numbers multiply to -20 and add to -1
-5*4 = -20
-5+4 = -1
2(x-5)(x+4)
Answer:
12(1+3)
Step-by-step explanation:
gcf: 12
12/12=1
36/12=3
Answer:
15$
Step-by-step explanation:
I'm guessing theres only one friend based on the singular "friend" but if there was more please tell me
so we can do 5-20 = 15 and that 15 is what her friend had.
Answer:
x=6
Step-by-step explanation:
BC=7
x+1=7
x=7-1=6
x=6
