Answer:
infinite
Step-by-step explanation:
If you multiply all factors in the secon eqation by 4, you will get the first eqation.
Therefore for any value of x you can find y, thus having an infinite number of x,y pairs
Before going to B.two-digit addition
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:
32 = 26
d
2
= 32
Step-by-step explanation: UMU
Answer:
Yes
Step-by-step explanation:
Statement Reason
ab = bd Given
ac=cd Given
bc = cb definiton of reflex line
triangle abc is congruent to triangle dbc side side side postulate