Use trigonometry
sin 42 = a / 21
a = 21 sin 42 = 14.05
Answer:
what does the fox say?
Step-by-step explanation:
nenenene
Answer:
D. (-9)+9=0
Step-by-step explanation:
Additive inverse means that the sum of the original number and its Additive inverse must add upto 0. In this case, if we add -9 and 9 then we get 0. That's why D is the correct answer.
To factor this quadratic equation into double brackets, you need to find two numbers that add together to equal 10, but also multiply to give you 9. These two numbers can be identified as 1 and 9, which will be the numbers you place in your parentheses as follows:
(x+1)(x+9)
Answer:
i want to say 36, im not 100% sure though
Step-by-step explanation:
