10/09/18

An airplane flies 460 miles with the wind and 310 against the wind in the same length of time. If the speed of the wind is 30, what is the speed of the airplane still in the air?
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04/07/16

height of 3.6 miles
Kim is watching a satellite launch from an observation spot 5 miles away. find the angle of elevation from Kim to the satellite, which is at a height of 3.6 miles I have to answer in degrees
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02/18/16

Precal Help?
Two teams survey a mountain. Survey team A measures the angle of inclination to the mountain peak to be 15 degrees,and survey team B measures it to be 25 degrees. If the two teams are 4776.4 feet... more
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01/06/16

Angular and Linear velocity?
A wheel spins through 31 revolutions per minute. Find the angular velocity and the linear velocity if the radius of the wheel is 1.7 feet.
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12/08/15

How much in fact did the company spend producing electric guitars?
A guitar manufacturer spent $114 million on the production of acoustic and electric guitars in 1999. If the amount the company spent producing acoustic guitars was $46 million more than it spent on... more
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11/12/15

Brad wants to open a new savings account. He finds one that returns 3% on his investment each year.
Assign a variable to each of the following pieces of information: final balance initial investment return rate
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11/09/15

Doctors use radioactive iodine as a tracer in diagnosing certain thyroid gland disorders. This type of iodine decays in such a way that the mass remaining after
where m(t) is measured in grams.(a) Find the mass at time t = 0. grams(b) How much of the mass remains after 4 days? (Round your answer to three decimal places.) grams
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09/27/15

Rates word problem
If the balance, M, at time t in years, of a bank account that compounds its interest payments monthly is given by M = M0(1.07763)t (a)  What is the effective annual rate for this account? (b)... more
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08/23/15

Identify the beginning of a sample period for the function:
f (t) = 4sec(3t −6π)   a. x=2pi b. x=1 c. x=2pi/3 d. x=pi
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07/20/15

solve problem
A  150 lb sign is hanging from the end of a hinged boom supported by a cable inclined at 44°  horizontal. Find the tension in the cable and the compression in the boom.   1) The tension... more
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06/24/15

Give the formula for the translation f of the line so that f(6)=8?
How do I do this problem?
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04/29/15

6th grade geometry word problem
The Triangle base (24) and Height (16) the next triangle is half the length of this triangle. What is the length? I know the answer is 3, but I do not know how to get it. Can you please show the... more
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03/07/15

what is the 55% probability of absenteeism and 41% of turnover and 22% of both absenteeism and turnover?
what is the 55% probability of absenteeism and 41% of turnover and 22% of both absenteeism and turnover?
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03/05/15

1) What is the value of w2? (2) What is the value of w1? (3) What is the value of w3?
For this problem, assume that 2, 6, 5, and 4 are equally likely, a 1 is three times as likely as a 4, and a 3 is four times as likely as a 1.(1) What is the value of w2? (2) What is the value of... more
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03/01/15

(1) What is the probability that you choose 3 issues of Sports Illustrated and 1 issue of Newsweek?
Assume that there are 6 different issues of Sports Illustrated, 7 different issues of Newsweek, and 4 different issues of Popular Science, including the December 1st issue, on the rack. You choose... more
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02/23/15

How many dominos will be in the set?
A domino set contains all number pair from double zero to double six, with each number pair occurring exactly once. Four example, the domino shown is three-four and also the four-three. How many... more
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02/06/15

the lengths of turtles in a park are normally distributed with a mean of 23.2 and a standard deviation of 5.6 inches.
the lengths of turtles in a park are normally distributed with a mean of 23.2 and a standard deviation of 5.6 inches. What is the percentile rank of a turtle whose length is 15 inches.  At first I... more
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01/25/15

related to perimeter
an arc SBT ia one quarter of circle with center R and radius 6 cm if the length and width of the diagonal of rectangle ABCR are integers and perimeter of ABCR is 14 find the perimeter of shaded region more
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01/23/15

How do you find the Centripetal Acceleration of a rotating cylinder 10miles long and 5.05 miles in diameter at a 30 degree angle?
ii have no clue how to do this, my little sister needs help with it , please help?????
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12/16/14

What is the probability that the student's alarm clock will not work on the morning of an important final exam
the principle of redundancy is used when system reliability is improved through redundant or backup components. Assume that a student's alarm clock has a 13.4 daily failure rate. 
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