Find tan 0 if sin 0 = -3/7 and cos 0>0
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Answers: 1
Mathematics, 21.06.2019 13:00
Remmi wrote the equation of the line y=β
(x+2) he solved for x and got x=3y-2 which of the following is an equivalent equation for x? a.x=y-11/3 b.x=y+7/3 c.x=3(y-β
) d.x=3(y+β
)
Answers: 1
Mathematics, 22.06.2019 00:00
Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense
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Mathematics, 22.06.2019 02:00
Which expression is equivalent to (5x^7+7x^8) β (4x^4β2x^8)? a. 9x^8 + 5x^7β4x^4 b. 3x^8 + 7x^7 c. 12x^8 β 2x^4 d. 5x^8 + 5x^7 + 4x^4
Answers: 1
Mathematics, 22.06.2019 02:30
An engineer is going to redesign an ejection seat for an airplane. the seat was designed for pilots weighing between 120 lb and 161 lb. the new population of pilots has normally distributed weights with a mean of 125 lb and a standard deviation of 28.1 lb. a)if a pilot is randomly selected, find the probability that his weight is between 120 lb and 161 lb.the probability is approximately? b. if 36 different pilots are randomly selected, find the probability that their mean weight is between 120 lb and 161 lb. the probability is approximately? c. when redesigning the ejection seat, which probability is more relevant? . part (b) because the seat performance for a single pilot is more important. b. part (b) because the seat performance for a sample of pilots is more important. c. part (a) because the seat performance for a sample of pilots is more important. d. part (a) because the seat performance for a single pilot is more important.
Answers: 3
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