Hello!
To find cosine, use the formula cos = adjacent / hypotenuse.
According to angle B, adjacent of angle B is side A, and the hypotenuse is side c because the hypotenuse is always opposite the right angle.
Therefore, the cosine of angle B is a/c.
Answer:
4x-2x+3y+6x+6y distributive property
4x-2x+6y+3y+6y commutative property of addition
8x+9y combine like terms
Step-by-step explanation:
I hope this helps!
Answer:
$12, 14%
Step-by-step explanation:
Find the amount of discount:
84 - 72 = 12
Find the amount of discount as a percentage
12 / 84 = 0.1428
Answer:
slopes
Step-by-step explanation:
