Answer:
Step-by-step explanation:
v = 3 (r - 1)
v = 3(- 1 - 3) <----- Here we are substituting R
v = -3 - 9 <---- Here we expanded the bracket
v = -12 <--- This is your answer, because -3 -9 is equal to -12
Sin(D) = 24/25
tan(D) = 24/7
sin(E) = 7/25
It is extremely important to understand the words of the given problem. There are numerous information's of immense importance that are already given in the question. Based on those information's the answer to the question can be easily deduced.
Let us assume the unknown number = x
Then
14x - 34 = 78
14x = 78 + 34
14x = 112
x = 112/14
= 8
So the unknown number in the given question is 8. I hope the procedure is clear to you and you got the answer that you wanted.
First you would add 2z to both sides
6k = 12 + 2z
second divide 6 from both sides
K = (12 + 2z) / 6
^^ thats your answer :)
