Answer:
139.7124
Step-by-step explanation:
9.6+5.42-3.2 (^2)
11.82^2
= 139.7124
These are vertical angles
Answer:
X= -12 Y=10
Step-by-step explanation:
Answer:
n=-6
Step-by-step explanation:
2n + 10 = -2
2n=-12
n=-6
Hope this helps!
If not I'm sorry.
Answer:
r = 3.
Step-by-step explanation:
16 = 10 + √(3r + 27)
√(3r + 27) = 6
Square both sides:
3r + 27 = 36
3r = 36 - 27 = 9
r = 3.
Check the result:
Left side of the equation = 16
Right side = 10 + √(9 + 27)
= 10 + √36 = 16
