Answer:
Step-by-step explanation:
29 5x+8+x+4=90
6x=78
x=13
30 3x-7+11x-1=90
14x=98
x=7
31 3x+x+8=180
4x=172
x=43
32 6x-1+5x-17=180
11x=198
x=18
Answer:
c=20 or SU = 20
Step-by-step explanation:
I'M HURRRRYYYINNNNNG DON'TT WORRY!!! :D
Use the Pythagorean theorem:
a²+b²=c²
Plug it in:
12²+16²=c²
144+256=400
c²=400
c=√400
c=20
There did i finish on time!!? XD
Answer:
9
Step-by-step explanation:
4*9-11= 36 -11 = 25
