Mathematics, 06.04.2020 02:56 Becky323
Two persons A and B are on the same side of a tower (T). Ifthe angles of elevation of the top of the tower as observed by A and B are 40°and 55° respectively and line /AB/ is 6m. Find the height of the tower.
Answers: 1
Mathematics, 21.06.2019 19:30
Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)
Answers: 1
Mathematics, 21.06.2019 22:30
If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b
Answers: 1
Mathematics, 22.06.2019 04:30
People end up tossing 12% of what they buy at the grocery store. assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. a. calculate the mean and the standard error for the sample proportion p. b. describe the sampling distribution of p in part a. draw a graph of this probability distribution with its mean and standard deviation. what is the probability that your survey will provide a sample proportion more than 15%? c. d. population proportion? what is the probability that your survey will provide a sample proportion within + 0.03 of the
Answers: 2
Mathematics, 22.06.2019 05:30
Carl is boarding a plane. he has 22 checked bags of equal weight and a backpack that weighs 4 \text{ kg}4 kg. the total weight of carl's baggage is 35 \text{ kg}35 kg.
Answers: 3
Two persons A and B are on the same side of a tower (T). Ifthe angles of elevation of the top of the...
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