Answer:
C
Step-by-step explanation:
plug each answer into any graphing calculator until you get a graph that has the same points as the table.
Your vertex would be (-1,-5)
and your axis of symmetry is x=-1
There are 5280 ft in a mile. 55*5280=290400. So the car is travelling 290,400 ft/hour
Answer:
it's 124,254
Step-by-step explanation:
34 x 234 = 7,956
12 x 7956 = 95,472
123 x 234 = 28,782
95,472 + 28,782 = 124,254
hope that helps...
Answer:
2.4 days
Step-by-step explanation:
Time working together,t ,is
1/t = 1/a+ 1/b where a and b is the times working alone
1/t = 1/4 + 1/6
Multiply each side by 12t to clear the fractions
12t( 1/t )= 12t(1/4 + 1/6)
12 = 3t+2t
12 = 5t
Divide by 5
12/5 = 5t/5
2 2/5 =t
2.4 days