Austin drove 455 miles in 7 hours.
1 answer:
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Answer:
The following are the missing numerators to make the LHS = RHS
46) 36 x³y²
47) 24 (xy)³
48) 5 (3x + 6)
49) 6(3x - 2)
50) 8m (m + n)
Step-by-step explanation:
I have attached how to derive the answer below.
Essentially, each case found what the denominator on the LHS was multiplied by to get to the denominator on the RHS. Then I multiplied the numerator by that same factor.
Answer:
k= 1 mile per minute
Step-by-step explanation:
There is a proportional relationship between the time (in minutes) Dave spends riding the train, x, and the distance he travels (in miles), y.
The table representing this information is given below:
The equation of proportionality is given as: y=kx
When x=8, y=8
Substituting we have:
8=8k
Divide both sides by 8
k=1
Therefore, the constant of proportionality, k= 1 mile per minute