Mathematics, 15.07.2019 13:00, christylivingsowzxa2

Trig identies ..asap ! (1.)2 sin a sin b = a. cos(a-b)-cos(a+b) b. sin(a-b)+tan(a+b) c. sin (a+b)+cos(a-b) ( a - cos a)^2 a. 1-sin2a b. -1+cos a c. sec a +1

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Mathematics, 21.06.2019 23:00, ptrlvn01

1. an economy consists of three workers: larry, moe, and curly. each works 10 hours a day and can produce two services: mowing lawns and washing cars. in an hour, larry can either mow one lawn or wash one car; moe can either mow one lawn or wash two cars; and curly can either mow two lawns or wash one car. a. calculate how much of each service is produced under the following circumstances: a. all three spend all their time mowing lawns. b. all three spend all their time washing cars. c. all three spend half their time on each activity d. larry spends half of his time on each activity, while moe only washes cars and curly only mows lawns b. using your answers to part a, draw a production possibilities frontier and label points a, b, c, and d on your graph. explain why the production possibilities frontier has the shape it does. c. are any of the allocations calculated in part a inefficient? explain.

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Mathematics, 21.06.2019 23:30, bbby2

Aprisoner is trapped in a cell containing three doors. the first door leads to a tunnel that returns him to his cell after two days of travel. the second leads to a tunnel that returns him to his cell after three days of travel. the third door leads immediately to freedom. (a) assuming that the prisoner will always select doors 1, 2 and 3 with probabili- ties 0.5,0.3,0.2 (respectively), what is the expected number of days until he reaches freedom? (b) assuming that the prisoner is always equally likely to choose among those doors that he has not used, what is the expected number of days until he reaches freedom? (in this version, if the prisoner initially tries door 1, for example, then when he returns to the cell, he will now select only from doors 2 and 3.) (c) for parts (a) and (b), find the variance of the number of days until the prisoner reaches freedom. hint for part (b): define ni to be the number of additional days the prisoner spends after initially choosing door i and returning to his cell.

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Mathematics, 22.06.2019 00:00, ivanmmmm

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.

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Mathematics, 22.06.2019 01:00, piceanav

Why is causation so much more difficult to prove than correlation?

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Trig identies ..asap ! (1.)2 sin a sin b = a. cos(a-b)-cos(a+b) b. sin(a-b)+tan(a+b) c. sin (a+b)+c...