Answer:
n=-8
Step-by-step explanation:
n/8 - 10 = -11
add 10 to both sides
n/8=-11+10
n/8=-1
multiply eight by both sides to cancel it out to get n by itself
n/8 x 8 and -1x8
-1x8=-8
n=-8
Answer:
2
Step-by-step explanation:
it's can be written as ^3√8 and taking it out is = 2
Answer:
6
Step-by-step explanation:
Answer:
x = 7
y = 2
Step-by-step explanation:
x² - y² = 45
(x+y) (x-y) = 45
x + y = 9 (known)
9 x (x-y) = 45
x - y = 5
y = x-5
x + (x - 5) = 9 (substitute)
2x = 14
x = 7
y = 2
They are congruent angles
