Answer:
25
Step-by-step explanation:
Answer:
x = -5
Step-by-step explanation:
x = -20/4 = -5
Answer:
-63q-54
Step-by-step explanation:
When using the distributive property, you multiply everything inside of the parentheses by the number outside of the parentheses.
9(-7q-6)
-63q-54
Hope this helps, and have a great day o(* ̄▽ ̄*)ブ
Okay, tu no tienes un Facebook...tienes una pregunta?
Answer:
That would be sina.
Step-by-step explanation:
sin(a+b) = sinacosb + cosasinb
sin(a-b) = sinacosb - cosasinb
Adding we get sin(a+b) + sin(a-b) = 2sinaccosb
so sinacosb = 1/2sin(a+b) + sin(a-b)