9x + 1 = 7x - 9
-7x. -7x
2x + 1 = -9
-1. -1
2x = -10
Divide by 2
x = -5
Well 30x12in is 360in. 360in divided by 8 is 45. She can make 45 crafts
Answer:
Bike=125 Skateboard= 74
Step-by-step explanation:
x + (x-51)= 199
2x-51=199
2x=250
x=125
125+ (125-51)=199
125+74=199
Answer:
Length of AB is 8cm
Step-by-step explanation:
It is a Pythagorean triple; 6,8,10
That is,
AB=√AD²-BD²
AB=√10²-6²
AB=√100-36=√64=8units
