It's suppose to add 450mph+250mph=700 then divide 3 hours=233.3
One rope = 34m
12 ropes = 34 x 12 = 408m
Total cost = $3.50 x 408 = $1428
Answer: 45 Pennies and 15 Nickels
Step-by-step explanation:
0.05 x 15 = 0.75
0.01 x 45 = 0.45
0.45 + 0.75 = 1.20
Answer:
x1= -7 , x2 = 7
Step-by-step explanation:
x^2 = 37 +12
x^2 = 49
x = -7 or 7
Square both sides. (5-2x) - (2-x) = 1^2. 5 - 2x - 2 + x = 1. Simplify to get 3 - x = 1. X=2
