I need help on this math
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Answers: 3
Mathematics, 21.06.2019 15:00
Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β
Answers: 2
Mathematics, 21.06.2019 18:50
Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15
Answers: 1
Mathematics, 22.06.2019 00:00
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.
Answers: 2
Mathematics, 22.06.2019 00:30
When you flip a biased coin the probability of getting a tail is 0.6. how many times would you expect to get tails if you flip the coin 320 times?
Answers: 1
English, 18.03.2020 20:55
Mathematics, 18.03.2020 20:55
English, 18.03.2020 20:56
Mathematics, 18.03.2020 20:56
History, 18.03.2020 20:56
Mathematics, 18.03.2020 20:56
Mathematics, 18.03.2020 20:56