07/06/21

Question on cauchy Riemann equation
Let u(x, y) = x² + y² and v(x, y) = xy be two functions. Then; (a) Check the existence, continuity and CR-equations of partial derivatives of u and v. (b) Check the differentiability and... more
Follows • 3
Expert Answers •1

07/06/21

Percent mixture
Two factory plants are making TV panels. Yesterday, Plant A produced twice as many panels as Plant B. Three percent of the panels from Part A and 5% of the panels from Plant B were defective. How... more
Follows • 2
Expert Answers •2

07/05/21

Calculs 3 Tangent

Find the linear approximation to the equation f(x,y)=2*√xy/6 at the point (6,4,4), and use it to approximate f(6.29,4.24)
Follows • 2
Expert Answers •1

07/05/21

Linear inequality SAT question (medium to difficult)
If (-3*|4x-3| - 3) < 6, what is the range of values for ‘x’?A) 1/4 < x < 5/4B) x < 1/4 or x > 5/4C) −∞ < x < ∞D) No real numbers
Follows • 2
Expert Answers •1

07/05/21

Predicting Values for a logarithmic equation in R
I am attempting to understand how to predict expected changes to earnings in R. We are using a dataset from the "Current Population Survey" using the variables average hourly earnings (ahe), age... more
Follows • 2
Expert Answers •1

07/05/21

Use the continuity to evaluate the given limit

Use continuity to evaluate the limit. lim x→π cos(x + cos x)
Follows • 2
Expert Answers •1

07/04/21

From this density, the probability that X is between 0.5 and 1.52 is:
Follows • 2
Expert Answers •1

07/04/21

From this density, the probability that X is at least 0.38 is:
Follows • 2
Expert Answers •1

07/04/21

The stock market jumped 1% today. Lending Tree, a peer-to-peer lender, has a average daily range of 5.5%. Are these large movements and how do we tell?
Follows • 2
Expert Answers •1

07/04/21

On a nationwide math test, the mean was 75 and the standard deviation was 10. If Roberto scored 70, what was his z-score?
Follows • 2
Expert Answers •1

07/03/21

Linear function and application.
A non government organization launched a program which aimed to maximize the use of recyclable materials and reduce plastic waste in that environment. Your village was chosen to be a participant of... more
Follows • 2
Expert Answers •1

07/03/21

Linear inequality

Suppose you are shopping for notebooks and pad papers for a fund drive. Notebook (x) costs 15 and paper (y) costs 12. You have at most 1500 to spend.1. Write a linear inequality in two variables... more
Follows • 2
Expert Answers •1

07/03/21

Please help me solve this question.
The result of a fitness trial is a random variable X which is normally distributed with mean µ and standard deviation 2.4 . A researcher uses the results from a random sample of 90 trials to... more
Follows • 1
Expert Answers •1

07/03/21

Construct a frequency distribution and a relative frequency histogram for the data set using five classes. Which class has the greatest relative frequency and which has the least relative​ frequency?
Ratings from 1​ (lowest) to 10​ (highest) from 36 taste testers2 5 9 1 10 10 5 10 68 8 6 5 10 1 4 9 44 5 3 5 6 2 3 10 19 4 ... more
Follows • 2
Expert Answers •1

07/03/21

Construct a frequency distribution and a frequency histogram for the data set using the indicated number of classes. Describe any patterns.
Number of​ classes: 8 Data​ set: Reaction times​ (in milliseconds) of 30 adult females to an auditory stimulus 428 293 382 338 514 423389 426 372... more
Follows • 2
Expert Answers •2

07/03/21

Determine the period and the phase shift of f(x) = 3sin (2x-π)
Determine the period and the phase shift of f(x) = 3sin (2x-π), hence plot on graph paper of f(x) for π /2 < x < 3π/2
Follows • 2
Expert Answers •1

07/03/21

Difference Quotient
Calculate the difference quotient for f(x)=1/√(2x+5) at a=4.f(4+h)-f(4)/h= ?
Follows • 2
Expert Answers •1

07/03/21

Calculating the Derivative
Calculate the derivative by expanding or simplifying the function.s(t)=(1-2(7t))/(7t)^(1/2)ds/dt=?What is the derivative?
Follows • 2
Expert Answers •1

07/03/21

Mathematics using equations
A family have some water in a tank. They filled a large barrel and a medium barrel with 195 liters of water from the tank. They wanted to fill another large barrel but they would have been short by... more
Follows • 1
Expert Answers •2

07/02/21

Can you find out regression equation of x on y from regression equation of y on x? Justify with special reference to principle of least squares.
Follows • 2
Expert Answers •1

06/24/21

HELP with STATISTICS PROBLEM
Insurance companies are interested in knowing the population percent of drivers who always buckle up before riding in a car. They randomly survey 398 drivers and find that 281 claim to always... more
Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.