Answer:
4. x=10
5. x=15
6. x=20
7. x=4
Step-by-step explanation:
4. 50+4x=90
90-50=40
40/4=10
x=10
5. (2x+60)+6x=180
6x+2x=8x
8x+60=180
180-60=120
8x=120
120/8=15
x=15
6. 3x+30=90
90-30=60
60/3=20
x=20
7. (8x+120)+7x=180
8x+7x=15x
15x+120=180
180-120=60
15x=60
60/15=4
x=4
Answer:
Piece one would equal to 14" and piece two would be 42" because 42 is three times the length of 14
A^3
a to the power of three
Yes both equations are equal because when you do distributive property it is the same
Answer:
C. 18.5
Step-by-step explanation:
1/2(11 + 26) = 18.5