1,954 Answered Questions for the topic linear algebra

Linear Algebra

02/16/20

The sum of two positive integers is 39. When the smaller integer is subtracted from twice the larger, the result is 39. Find the two integers.
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Linear Algebra Linear Equations

02/12/20

Analyse the case below in regard with the linear programming technique
A good example of how to use operations research analysis is to consider the plight of farmer Jones. He must decide how many acres of corn and wheat to plant this year. One acre of corn... more
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Linear Algebra Linear Equations

02/12/20

How do i solve this question? what equation am i using
The demand curve for a product is p=60 - 0.0005q where p is the price per unit and q is the quantity demanded. How many units must be sold to achieve sales of 1200000?
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Linear Algebra Linear Equations Chance

02/12/20

Calculating damage output in a video game
I have a character in a video game with 2 different sets of items. A normal attack does 800 damage, a critical attack does 1,5 times that, so 1200. The character has a certain attack speed, and a... more
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Linear Algebra Linear Equations

02/11/20

solve for me pls
Two factory plants are making TV panels. Yesterday, Plant A produced 5000 fewer panels than Plant B did. Two percent of the panels from Plant A and 5%of the panels from Plant B were defective. How... more
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02/08/20

Family of lines equation, need help
I'm super confused with this question: a family of lines have equations of the form 3x+by=12, where b is a non-zero number.Find the equation of the line perpendicular to 3x+by=12 at the point... more
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Linear Algebra

02/08/20

Need Help With Linear Equations
I need help with this question: a family of lines have equations of the form y=-2x+c, where x is a positive number. Let O denote the origin, and let A and B be the x axis and y axis intercepts of... more
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Linear Algebra

02/05/20

Which equation represents a line parallel to the line given by y-3x=6
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Linear Algebra Math

02/05/20

Recall that two angles are complementary if the sum of their measures is​ 90°. Find the measures of two complementary angles if one angle is nine times the other angle.
Help me having trouble whats answer?
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Linear Algebra Math Sat Math

02/04/20

What are the length and width of a rectangular traffic sign if the length exceeds the width by 10 inches and the perimeter is 156 ​inches?
Kind of stuck dont know how to solve this?
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Linear Algebra

02/04/20

whats the length and width?
The length of a rectangle is 77 ft longer than twice the width. If the perimeter is 9292 ​ft, find the length and width of the rectangle.
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Linear Algebra

01/31/20

Let u4 be a vector that is not a linear combination of {u1,u2,u3,}.
Select the best statement.A) span{u1, u2, u3} = span{u1, u2, u3, u4}B) There is no obvious relationship between span{u1, u2, u3} and span{u1, u2, u3, u4}C) span{u1, u2, u3} is a proper subset of... more
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01/30/20

Linear Transformation and Standard Matrix
Let T: R2-> R2 be the linear transformation with the property: T(1, 0) = (4, -1) and T(2, 1) = (6, 1)Find [T], the standard matrix of T
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01/30/20

True or False: Linear Transformation & Matrix
Determine which are true and which are false:A) If there is a path of lenght 2 between two specific vertices in an undirected graph, then there must be a path of lenght 3 between those two... more
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01/30/20

Standard Matrices of Linear Transformations
Find the standard matrix of the linear transformations T that act as follows:(a) T(x, y) = (-4x + 6y, -x - 5y)(b) T(x y,) = (-2x - y, 2x + 3y, -4x + y)
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Linear Algebra Linear Transformation

01/30/20

Linear Transformation Questions
Suppose that T : R2 -> R2 is a linear transformation satisfying T(e1) = (5, 4) and T(e2) = (3, -2). Compute the following:(a) T(2, 0)(b) T(1, 1)(c) T(2, -3)
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Linear Algebra

01/29/20

1.25(x-4)=5+25 solve show all work and check
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01/24/20

A radio broadcasts in a 29 mile radius. If you drive a straight line from a city 38 miles north of radio to city 35 miles east of radio, how much of the drive will you pick up a signal from radio?
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Linear Algebra

01/24/20

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 this rectangular prism.
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Linear Algebra Matrix

01/24/20

Matrix Problem Questions
The following list describes the flight routes between the cities:H is connected to T, HX, and MN.T is connected H, SJ, HX, MN, and ML.ML is connected to T, SJ, HX, and MN.SJ is connected to T, and... more
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Linear Algebra Angles Radians Vectors

01/18/20

Vector Angles in Radians
Compute the angle in radians between each of the following vectors:a) v = (-2, -2) and w = (2, -2)b) v = (5, 0, 5) and w = (2, 2, 0)c) v = (3, 3, 3, 3) and w = (0, 0, -1, -1)
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Linear Algebra Rectangle Vectors

01/18/20

Vector Question
A rectangle R3 has three of its corners at the points (3,1,1), (2,3,4) and (1,1,2). What are the coordinates of its fourth corner?
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Linear Algebra Linear Equations

01/16/20

if 2w -1 =2 what is the value of w(expontent2) -1
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Linear Algebra Proof Vector

01/15/20

Vector Proof Question
Suppose v and w are vectors in Rn . Show that || v − w || ≥ || v || − || w ||
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Linear Algebra True Or False Vectors

01/15/20

Vectors: True or False Questions
Determine which of the following statements are true and which are false.(a) There exist vectors v, w ∈ R3 such that ||v|| = 3, ||w|| = 3, and ||v + w|| = 7.(b) There exist vectors v, w ∈ R2 such... more
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