Answer:
39,51
Step-by-step explanation:
Complementary angles add to 90 degrees
Let one angle be x
The other angle is x+12
x+ x+12 = 90
Combine like terms
2x+12 = 90
Subtract 12 from each side
2x+12-12 = 90-12
2x = 78
Divide each side by 2
2x/2 = 78/2
x =39
The other angle is 39+12 =51
Answer:
75
Step-by-step explanation:
5x-9+9x-6=111
14x-15=111
14x= 126
x=9
-6+9(9)= 75
Answer:
True
Step-by-step explanation:
Double blind means both sides are unaware of the groups
3/4
The easiest way to solve this is to test the numbers one by one. 2/3 is not the answer because 2/3 times 3/2 is 1, not 9/8. It is 3/4 because 3/2 times 3/4 is 9/8, 9/8 times 3/4 is 27/32, and so forth.
Answer:
f^-1 (x)= x/18 - 7/54
Step-by-step explanation: