01/26/22

I'm confused about how to start this question and what formula to use. Jupiter rotates on its axis once every 10 hours. Through how many radians does it turn in one week?
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01/26/22

A painter leans a 25 foot ladder against a house. The base of the ladder is 8 feet from the house. To the nearest tenth of a foot, how high does the ladder reach up the side of the house?
Please help me do this
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01/26/22

Transformations
Triangles GEO and ALG are similar with points G(-2,6) E(1,7) O(4,4) - A(-10,0) L(-1,3) G(8,-6)Triangle ALG is the image of triangle GEO.Find the center of dilation and the scale factor.
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01/26/22

Suppose Isabella has developed the following fitted regression equation for the price of a Edmonton condo: Price= 151000 + 47*(Square footage)
a) If someone wants to purchase a 700 sq. ft. Edmonton condo, how much should they expect to pay?b) If they want to buy a unit that is 89 square feet bigger, then how much more money should they... more
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01/26/22

An economics professor decides to curve the grades of his class. In doing so, he decides to make it such that the students who score in the top 11% receive an A.

Assume a normal distribution among grades. How many standard deviations above the mean must a student get to receive an A? (Round to 2 decimal places, if needed)
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01/26/22

The average credit score in Canada is 650. Assume that credit scores follow a normal distribution with a standard deviation of 80. (Round each to nearest integer)
a) Find the 85th percentile of credit scores in Canada.b) 65% of Canadians have a credit score higher than what value?c) Mac’s credit score is 720. In what percentile is his credit score?
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01/26/22

A Tim Horton’s has recently opened up in Edmonton. Mean=6 mins, Standard deviation=2.6 mins
a)What is the best probability that it takes less than 5.6 mins for a randomly selected car to be served after ordering? (Round to 4 decimal places)b)What is the probability that it takes more than... more
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01/26/22

What does Il est de fait que vous n’avez que le temps. mean?
How does this translate?Il est de fait que vous n’avez que le temps. It is a fact that you only have time???
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01/26/22

Equation Of The Slope
Find the equation of the line with Slope = 2 and passing through (5,15). Write your equation in the form y=mx+b.y =
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01/26/22

Slope And Y intercept
Determine the slope and y-intercept of the graph of the linear equation y−1=4x.Slope = y intercept =
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01/25/22

Find the values of θ, where θ ≤θ ≤ 360deg , that satisfy the equation: cosθ = - sqrt3/2
Find the values of θ, where θ ≤θ ≤ 360deg , that satisfy the equation: cosθ = - sqrt3/2
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01/25/22

What Is the probability that you draw a purple marble, put it back in dry yellow?
There 12 marbles in a bag, 5 yellow in 7 purple. What is the probability that you draw a purple marble, put it back in the in draw yellow? What What is the probability that you drive purple marble,... more
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01/25/22

Can I use a one-sample t test to compare the number of sea fans on one solid reef with the average number of sea fans on three boulder reefs.
Can I use a one-sample t test to compare the number of sea fans on one solid reef with the average number of sea fans on three boulder reefs.
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01/24/22

what is 3 divided by 1/4 ?
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01/24/22

More than happy to
My bf uses the phase "you'd be more than happy to" rather than what I what I always thought was right, "you'd be more than welcome to." It sounds bizarre to me! Is this correct or bad grammar??
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01/22/22

If a quadrilateral is equilateral, its diagonals are perpendicular. True or false? Why?
If a quadrilateral is equilateral, its diagonals are perpendicular. True or false? Why?
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01/21/22

How many more bacteria should you sample to achieve a 0.45-hour margin of error? 
You are a researcher studying the lifespan of a certain species of bacteria. A preliminary sample of 40 bacteria reveals a sample mean of 72 hours. The standard deviation is known to be... more
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01/21/22

How large of a sample size is required? 
You want to obtain a sample to estimate the average number of hours per week Nexford Statistics students work at their job while being a full-time student. Based on previous evidence, you believe... more
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01/21/22

How large of a sample size is required? 
You want to obtain a sample to estimate the average number of hours per week Nexford students work at their job while being a full-time student. Based on previous evidence, you believe the... more
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01/21/22

How large of a sample size is required? 
You want to obtain a sample to estimate the average number of hours per week community college students in the United States work at their job while being a full-time student. Based on previous... more
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01/21/22

Find the 99% confidence interval.
 You must estimate the mean temperature (in degrees Fahrenheit) with the following sample temperatures. Assume the temperatures are normally distributed. Find the 99% confidence... more
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01/21/22

Construct a 90% confidence interval in the form estimate+_ margin of error
In a survey 21 people were asked how much they spent on their child last birthday gift.The results were roughly bell shaped with a mean of $40a and standard deviation of $19 . Construct a 90%... more
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01/21/22

explain the mean of the interval in a sentence
The effectiveness of a blood pressure drug in being investigated.An experiment finds that on average the reduction in systolic blood pressure is 57.6 for a sample of size 846 and standard deviation... more
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01/21/22

A test consists of ten true/false questions. A student who forgot to study guesses randomly. What is the probability that the student answers exactly five questions correctly?
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01/20/22

Hi please help me with this question please and thank you
List the intercepts of the equation y=x3-8
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