Answer:
13
Step-by-step explanation:
If x is 7, then 7 * 2 = 13, and 14 - 1 = 13.
Hope that this helps!
Angles 1, 2, and 3 are all 90°.
10x = 90
.. x = 9
x +y = 90
.. y = 81
5z = 90
.. z = 18
The values of (x, y, z) are (9, 81, 18).
Answer:
x = - 
Step-by-step explanation:
Radical roots occur in pairs, that is
x =
is a root then so is x = - 
Answer:
y=20
Step-by-step explanation:
25+15=40
2y=40
40/2=20
y=20