Mathematics, 03.02.2020 17:03, Aguzman07
Two particles move in the xy-plane. at time t, the position of particle a is given by x(t)=5t−5 and y(t)=2t−k, and the position of particle b is given by x(t)=4t and y(t)=t2−2t−1.(a) if k=−6, do the particles ever collide? (b) find k so that the two particles are certain to collide. k=(c) at the time the particle collide in (b), which is moving faster? a. particle ab. particle bc. neither particle (they are moving at the same speed)
Answers: 3
Mathematics, 21.06.2019 21:30, peytonamandac9114
Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true
Answers: 2
Mathematics, 22.06.2019 00:10, jocelynfray16
Change negative exponents to positive. then solve. round to four decimal places
Answers: 3
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