109 Answered Questions for the topic Linear

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.

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.

03/15/19

Is f (x) = 4x + 3 linear, exponential or neither

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

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

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.

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 

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.

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

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

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  

04/20/18

-x+4y=2 I need x and y

Solve for x and y  

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? 

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

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

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.

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).

09/30/16

Linear cost equation

At a candy ship, bubble gum costs 15 cents each and lolly pops costs 25 cents each (no tax). Emily has $3 to spend on bubble gum and lolly pops. Find the linear cost equation for the mix of candy... more

09/24/16

distance and rate

Two cyclists leave towns 174km apart at the same time and travel toward each other. One cyclist travels 10 /kmh faster than the other. If they meet in 3hours, what is the rate of each cyclist?

09/07/16

linear depreciation

A small business buys a computer for $4000. after 4 years the value of the computer is expected to be $200. for accounting purposes the business uses linear depreciation to assess the value of the... more

09/04/16

calculate ?the ?area ?of ?a ?triangle ?bounded ?by y = 0 y , y = x y x , x = 4

This has to do with linear graphs and functions but i don't understand how y can= 0 and x if x=4

07/21/16

LINEAR OR NOT?? EXPLAIN

Determine whether the following function is linear   y = x/3   Explain why

07/21/16

LINEAR OR NOT?

Determine whether the following function is linear   y = 3/x   Explain why

07/21/16

Linear Or Not?!

Determine whether the following function is linear   y = 3^x + 5   Explain why
1 3 4 5

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