Mathematics, 28.02.2021 16:10, kahnerp6448
A road crosses a railroad track at the top of a steep hill. The train cannot stop for oncoming cars, and cars cannot see the train until it is too late. Suppose a train begins crossing the road at time t1 and that the car begins crossing the track at time t2, where 0 < t1 < T and 0 < t2 < T
Required:
a. Find the sample space of this experiment.
b. Suppose that it takes the train al seconds to cross the road and it takes the car a2 seconds to cross the track. Find the set that corresponds to a collision taking place.
c. Find the set that corresponds to a collision is missed by 1 second or less.
Answers: 2
Mathematics, 21.06.2019 19:00, kaylaamberd
What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)
Answers: 2
Mathematics, 21.06.2019 22:30, lamooothegoat
The pair of coordinates that do not represent the point( 5,150’) is a. (5,-210) b. (5,210) c. (-5,330) d. (-5,-30)
Answers: 1
Mathematics, 21.06.2019 23:00, CelesteN64
In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.
Answers: 3
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