marshallmattah
05.06.2021 •
Mathematics
Find m
A.)38
B.)22
C.)52
D.)12
Solved
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Ответ:
x =12
Step-by-step explanation:
The two angles add to 90 degrees
4x+4 + 5x-22 = 90
Combine like terms
9x - 18 = 90
Add 18 to each side
9x -18+18 = 90+18
9x = 108
Divide each side by 9
9x/9 = 108/9
x =12
Ответ:
C.) 52°
Step-by-step explanation:
find x first
4x + 4 + 5x - 22 = 90
9x - 18 = 90
9x = 108
x = 12
plug it into the expression
4(12) + 4
= 48 + 4
= 52°
Ответ:
ladder^2 = 15^2 + 4^2
ladder^2 = 225 + 16
ladder^2 = 241
ladder = 15.5241746963 feet
15.5 (rounded)