12/05/20

What formula should I look At for this Question?
Fill in the blank to complete the trigonometric formula.? = 3 sin(u) / 1+ Cos (u)
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12/05/20

Find the value of x: (3^x)(5^(x+1))=6^(x+2)
If you can explain it will be a big help thankss
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12/05/20

Find the values of c such that the area of the region bounded by the parabolas y = 4x2 − c2 and y = c2 − 4x2 is 4/3. (Enter your answers as a comma-separated list.)
Find the values of c such that the area of the region bounded by the parabolas y = 4x2 − c2 and y = c2 − 4x2 is 4/3. (Enter your answers as a comma-separated list.)
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12/05/20

Find the area of the region bounded by the parabola y = 4x2, the tangent line to this parabola at (4, 64), and the x-axis.
Find the area of the region bounded by the parabola y = 4x2, the tangent line to this parabola at (4, 64), and the x-axis.
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12/04/20

Probability, queing problem
N ski slopes meet at the bottom of a valley, the lifts to the slopes are here in one place, there are waiting lines for the lifts.After how many laps are we expected to ski on the most difficult... more
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12/04/20

X is normally distributed with mean 0, variance 3. Y is normally distributed with mean 0, variance 1. Cov (X,Y) =1. How do I find the expectation of X, given that 2X+3Y=1
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12/04/20

Linear Systems: 3 Variables
Three forces F1,F2,and F3 are applied to an object. Based on Newton's laws, the following system of linear equations relates these forces, which are measured in Newtons (N). Solve the system of... more
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12/04/20

How large of a sample size is required? Round up to nearest whole number.n = 
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=59.3. You would like to be 98% confident that... more
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12/03/20

The four sequential sides of a quadrilateral have lengths:
a=3.6b=5.1c=8.5d=10.2The angle between the two smallest sides is <=108What is the area of the figure?
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12/03/20

generate a continuous and differentiable function f(x)
what is the formula to generate a continuous and differentiable function f(x) with the following properties: f(x) is decreasing at x=−6 f(x) has a local minimum at x=−2 f(x) has a local maximum at x=2 more
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12/01/20

STATs. Please help me I am lost.
A random sample of 100 felony trials showed a sample mean waiting time between arrest and trial = 173 days with a population standard deviation of waiting times = 28 days. Find a 99% confidence... more
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12/01/20

Statistics-Probabilities without replacement
A history class is comprised of 7 female and 9 male students. If the instructor of the class randomly chooses 12 students from the class for an oral exam, what is the probability that 5 female... more
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12/01/20

verify the identity , show steps

((sec beta -tan beta )^(2)+1)/(csc beta (sec beta -tan beta )=2 tan beta
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12/01/20

Help with P-Value
Hi, I am currently working on a project on hypothesis testing. This is the data set of heights of students in inches...57, 59, 60, 62, 63, 64, 65, 65, 66, 67, 68, 68, 68, 68, 69, 69, 70, 71, 71,... more
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11/30/20

A Farmer is Enclosing two different breeds of Animals
A farmer needs to enclose two different breads of animals in a rectangular area. The two breads are separated by a fence. One of the lengths are not needed because the field borders a river.... more
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11/30/20

Evaluate integral from negative 3 to 3 of f of x, dx for f of x equals square root of quantity 4 minus the square of the quantity x plus 1 for x is between negative 3 and...
 Use geometry to evaluate  for  . (2 points) A 2π + 1 B 2π - 1 C π - 1 D π + 1
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11/30/20

Find the standard form of the equation of the ellipse

Find the standard form of the equation of the ellipse with the given characteristics.Center: (1, 2); vertex: (−5, 2); minor axis of length 6I have tried twice and failed, could anyone help me?
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11/30/20

Find Standard Form of the equation of the hyperbola
Find the standard form of the equation of the hyperbola with the given characteristics.Vertices: (5, 1), (5, 15); foci: (5, 0), (5, 16)So, I did this 3 times and Im going insane. The 5's are whats... more
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11/29/20

Trigonometry, solving for x on an interval

The question is: Solve for x on the interval [-2pi, 4pi]a.) 1+sin(x) = 2cos^2xb.) 2cos^2x-1 = 0My teacher said there should be 9 answers, I am just kind of unsure of where to start
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11/29/20

If a simple main effect is examined from a-two factor ANOVA with two levels in each factor and n = 4 individuals in each level, what df will be used?
Options are; a .df = 1, 14b. df = 2, 12c.df = 2, 14d. df = 1, 12
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11/28/20

I need help solving this discrete math problem
An urn contains four red balls and three blue balls. Draw four balls at random from the urn, without replacement. Compute the expected number of red balls in your sample. (Round to four decimal... more
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11/27/20

Choosing given number of items from different subsets
A gathering is attended by A women and B men.Women individually, independently of each other, have a p probability of getting to know each other, while men's chance of getting to know each other is... more
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11/27/20

Use DeMoivre's Theorem to find the indicated power of the complex number. Write the result in standard form. (3 − 2i)^6
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11/26/20

Showing elements are self-inverse

Hi,I need help show algebraically that this is true. If G is a finite group and an element x has order 3 and element y has order 2. Show that ifyx=x2y then elements xy and x2y are both... more
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11/25/20

How do I find the population mean + standard deviation?
Good morning,I'm having a difficult time answering this question correctly (maybe I'm doing the calculations wrong) but can someone please help me by showing me how to solve/walking me through it... more
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