117 Answered Questions for the topic Linear

Linear Math Solution

01/30/22

y=−3x+22 2x+2y=12
Solve the following system of linear equations by substitution and determine whether the system has one solution, no solution, or an infinite number of solutions. If the system has one solution,... more
Follows • 1
Expert Answers •1

06/17/21

What could be the eigenvalues of the transpose of a matrix?
A is an nxn matrix and f : Rn,n ---> Rn,nf(A) = f(AT)How can I find the eigenvalues of f? Thank you for the help,
Follows • 1
Expert Answers •1
Linear Calculus

03/14/21

Use linear approximation to estimate the amount of paint in cubic centimeter
Use linear approximation to estimate the amount of paint in cubic centimeters needed to apply a coat of paint 0.04 cm thick to a hemispherical dome with a diameter of 80 meters.
Follows • 0
Expert Answers •1

10/10/20

Quadratic or Linear?
I have two equations that I’m not sure if it’s quadratic or linear. 4x^2 + 2y = 4x^2 + x + yy = x(x - 3) - 2x(4 - x)Please help as much as possible
Follows • 1
Expert Answers •1

03/16/20

Two wheel gears are connected by a chain.

Two wheel gears are connected by a chain. The larger gear has a radius of 6 centimeters and the smaller gear has a radius of 4 centimeters. The smaller gear completes 28 revolutions in 15 seconds.... more
Follows • 1
Expert Answers •1

03/16/20

The angular velocity of a fan blade is 4.6 radians per second. Approximately how many revolutions does the fan blade make in 2.4 minutes?
Follows • 1
Expert Answers •1

03/16/20

A hamster runs in it's wheel whose radius is 3 inches. The wheel completes 7.3 revolutions in 6 seconds. What is the linear velocity of the hamster's wheel?
Follows • 1
Expert Answers •2

06/01/19

Multivariable Calculus Problem
Please help me with the problem below, I am really stuck:In 2-space, find the unit vectors orthogonal to y = e ^ 2x at x = 0.
Follows • 1
Expert Answers •1

03/21/19

The dimensions of a piece of paper used to wrap a rectangular package are x and 2x−1inches. What is the function with the dimensions that result in the maximum area for the wrapping paper?
Determine the type of function--exponential, linear, or quadratic-- that is most appropriate to model the situation described. Then, use the chosen function model to complete the problem.
Follows • 1
Expert Answers •1

03/15/19

Is f (x) = 4x + 3 linear, exponential or neither
Follows • 2
Expert Answers •1
Linear

12/09/18

73 less than twice chau’s Savings, use the variable c to represent chau’S savings
73 less than twice chau’s savings use the variable c to represent chau’s savings
Follows • 1
Expert Answers •1

09/13/18

determine the equation of a line that has a y-intercept that is large and an x-intercept that is small.
Describe a plan that the reader can follow to determine the equation of a line that has a y-intercept that is very large and an x-intercept that is very small. (If could be applied, show multiple... more
Follows • 2
Expert Answers •1

09/02/18

distance and midpoint?
Consider the two points (5,y0) and (-9, y1)   1.) Compute the distance between these two points in terms of y0 and y1.   2.) Compute the midpoint of these two points in terms of y0 and y1.
Follows • 2
Expert Answers •1
Linear Functions

07/28/18

Which function rule best describes this statement? The amount for the pair of jeans less than a $15 coupon
well I need help and I hope u can reply me immediately thanksss 
Follows • 2
Expert Answers •1

07/27/18

Please help me find the matrix X. Justify your answer please.
               2 1 0                   1 0 1Let A = [ 1 0 1 ] and B = [ 2 0 1 ]                0 3 0                  0 1 1 Find the matrix X such that (2X + A)-1 = B.
Follows • 1
Expert Answers •1

07/27/18

I want to solve this, i need help. Justify your answer please.
Consider the linear system: x - 2y + 3z = 4 2x - 3y + az = 5 3x - 4y + 5z = b   For which values of a and b does the linear system have a) no solution, b) a unique solution, c) infinitely... more
Follows • 2
Expert Answers •1

06/16/18

I'm confused on how to solve this worded problem
the question is: to earn extra money, martin works part-time in a butchers shop. In a particular week during the school holidays he worked twice as many hours on tuesday as he did on monday but... more
Follows • 2
Expert Answers •1
Linear

05/29/18

Getting the equation for a linear line
1 = a + 4.5 x 2 or 1 = a + 9 or a = -8 thus y = -8 + 4.5x so i know how to get the slope but not sure how a was found  
Follows • 2
Expert Answers •1
Linear

04/20/18

-x+4y=2 I need x and y
Solve for x and y  
Follows • 2
Expert Answers •1

04/14/18

Does each set of points have a linear relationship? (-6,-4),(-5,-2), (-4,0),(-3,2)
 How can I solve this without using a graph? 
Follows • 2
Expert Answers •2

12/22/17

Calculating the average speed
'A cyclist travelling at an average speed of u km/h takes t hours to travel from A to B. On reaching B, the cyclist rests for 0.1t hours before returning from B to A along the same route. If the... more
Follows • 2
Expert Answers •1
Linear

12/22/17

Creating and solving linear equations based on worded problems
'The ratio of the length to the width to the height of a rectangular prism is 2:1:3 and the sum of the lengths of all its edges is 360 cm. Calculate the height of of this rectangular... more
Follows • 3
Expert Answers •2

11/25/17

System of linear equations
Given this system of linear equations where {a} is parameter.ax + 18y = 13a² - a5x + (a - 1)y = 15For which value of a The system will have infinitely many solutions? Step by step guide, please.
Follows • 2
Expert Answers •1
Linear

02/18/17

show that the points (-8,7) and (8,-1) lie on a circle with the centre point of (-2,-1) and a radius of 10 units
must show working
Follows • 3
Expert Answers •2
Linear

11/06/16

Shortest Distance from a Point to a Line
Determine the Shortest distance from the point E  (-3,-2) to the line through points F (0,12) and G (6,0).
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.