Determine whether the given description corresponds to an observational study or an experiment.
1 answer:
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Answer:
500
Step-by-step explanation:
Given: P = 150 - T where P is passenger cars and T is trucks
10P = 7T ⇔ P =
Plug in equation 2 into equation 1:
= 150 - T
Solving for T, we get 500
Here is your answer
REASON:
Diameter, d= 18 in
So,
Circumference = pi×d
= 3.14×18 in
= 56.52 in
HOPE IT IS USEFUL