Pre-Calculus

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In order to move an ocean liner into the channel, three
In order to move an ocean liner into the channel, three tugboats exert forces shown in the figure. What are the magnitude and direction of force.The ocean liner is being pulled by _______ pounds of fo… read more
rajeevanpillai
Master's Degree
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A wheel has a radius of 5 m. How far does a point on the
A wheel has a radius of 5 m. How far does a point on the circumference travel in meters if the wheel is rotated through an angle of 221degree. Give your answer to 2 significant figures without units.… read more
Tom
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Please elaborate and give examples on why the skills in
Please elaborate and give examples on why the skills in significant figures and unit conversion are important to scientists.… read more
Keith Pelletier
Master's Degree
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Another question - Thanks The path of a satellite orbiting
Another question Scott - ThanksThe path of a satellite orbiting the earth causes it to pass directly over two tracking stations A and B, which are 48 miles apart. When the satellite is on one side of … read more
Scott
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Two shuffleboard disks of equal mass, one orange and the
Second opinion] Two shuffleboard disks of equal mass, one orange and the other green, are involved in a perfectly elastic glancing collision. The green disk is initially at rest and is struck by the o… read more
DebdattaBhattacharya
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There are two vectors A and whose magnitudes are A= 7.1 and
There are two vectors A and B whose magnitudes are A= 7.1 and B= 5.5 what is the vector of C? C=A+B Express your answer using three significant figures. Assume positive sign for the positive direction… read more
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For his PhD project, on a randomly selected day in May, Ali
For his PhD project, on a randomly selected day in May, Ali Cem samples 250 observations, from a population that is assumed to be normal, with a sample mean of 23 and a population standard deviation o… read more
Sandhya
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For his PhD project, on a randomly selected day in May, Ali
For his PhD project, on a randomly selected day in May, Ali Cem samples 250 observations, from a population that is assumed to be normal, with a sample mean of 23 and a population standard deviation o… read more
Kimberley Wright
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The number of adult Americans who smoke continues to drop.
The number of adult Americans who smoke continues to drop. The linear regression equation uses the percent of adults who were smokers in the years between 1979 and 2013.P e r c e n t S m o k e r space… read more
akch2002
Master's Degree
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In an experiment, we flip a biased coin 100 times. The
In an experiment, we flip a biased coin 100 times. The probability, that we get a head is p=0.2. Let X be the random variable that counts the number of heads in this experiment. Let Y be a random vari… read more
akch2002
Master's Degree
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In a television series there is exactly one crime committed
In a television series there is exactly one crime committed in every episode. It has been observed that the probability that the criminal is male in an episode is 0.35. What is the probability, rounde… read more
R.R. Jha
Bachelor's Degree
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I'm not sure if an expert on Pre-Calculus is the right
I'm not sure if an expert on Pre-Calculus is the right person to ask. But I know you had to have gone through some Geometry courses so hopefully, you can still help me. I'm trying to figure out the dr… read more
R.R. Jha
Bachelor's Degree
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Use two formulas for volume of the figure. Express the
Use two formulas for volume of the figure. Express the volume in terms of pie and then round to the nearest whole number. The exact volume of the solid figure is ______. (Simplify your answer. Type th… read more
Sandhya
Master's Degree
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I need someone to help me with this. I need to compare my
HI, I need someone to help me with this. I need to compare my answers before I turn this in. Thank you. Exam: 250311RR - Trigonometric Functions 1. Find a positive angle less than 360° that's cotermin… read more
Ryan
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Question 1 1. Find the indicated probability. A sample space
Question 1 1. Find the indicated probability. A sample space consists of 174 separate events that are equally likely. What is the probability of each? 0 1 174 1/174 Question 2 1. From the information … read more
Ryan
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Question 1 1. Find the indicated probability. A sample space
Question 1 1. Find the indicated probability. A sample space consists of 174 separate events that are equally likely. What is the probability of each? 0 1 174 1/174 Question 2 1. From the information … read more
Ryan
Bachelor's Degree
4,665 satisfied customers
1. Convert 2π/3 radians into degrees. 2. Determine the
1. Convert 2π/3 radians into degrees. 2. Determine the length of a shadow cast by a flagpole that is 15 feet high when the sun has an angle of elevation of 28˚ Round your answer to the nearest foot. 3… read more
akch2002
Master's Degree
3,376 satisfied customers
1.What is the future value of an ordinary annuity of \$18,000
1.What is the future value of an ordinary annuity of \$18,000 per year, for two yrs, at 11% interest compounded annually? 2.Sheila has a revolving department store credit card account with an annual pe… read more
Trigeoscal
College Math Professor
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