The value of y is 29
Since x=4, put 4 in 9x
y = 9(4) - 7
y = 36 - 7
y = 29
Answer: -23
Step-by-step explanation:
19 - 6(7) = y
19 - 42 = y
y = -23
754/145 = 5.2
5.2 x 100 = 520
Final answer = 520
Answer:
cos(m∠B) = 2√5/5
Step-by-step explanation:
Easiest way is to guess and check on this problem. When you take the cos(m∠B), you would get 6/3√5, rationalized to 2√5/5. That would be the correct answer.
