1,975 Answered Questions for the topic linear algebra
Linear Algebra Calculus
09/08/19
Perpendicular Distance
Find the perpendicular distance from the point P(5, 4, 1) to the y-axis.
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Linear Algebra
09/06/19
Write the algebraic expression described.
Recall that two angles are supplementary if their sum is 180 degrees. If one angle measures f degrees, express the measure of its supplement in terms of degrees.
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Consider 3 noncollinear points. From the set of all convex combinations of these points. What is the geometry of this set?
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09/04/19
Consider 2 points form the set of all convex combinations of the points. What is the geometry of the set?
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09/04/19
Linear Algebra for Computer Science
Suppose we are given p,q are in Euclidean E2 and v,w are in all real numbers R2. Do the following operations result in a point or a vector?A. p-qB. 1/2p+1/2qC. p+vD. 3vE. v+wF. p+1/2w
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Linear Algebra Math
09/04/19
If a vector v is length 10 then what is the length of the vector -2v
NEED HELP ASAP!
Are the points A(3,5), B(0,2) and C(-2,10) the vertices of a right triangle? Justify your answerThe endpoints of the diameter of a circle are (-5,1) and (3,-5). Find the center and the radius of...
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Linear Algebra
08/30/19
Need help with Linear equations with unknown coefficients
—cz+6z=tz+83 solving for z
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08/29/19
please help me with this word problem
Express the gross salary G of a person who earns $24 per hour as a function of the number x of hours worked.
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please help with this function
if f(x)= 4x^3+Ax^2+7x-3 and f(2)=1, what is the value of A?
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Linear Algebra Expotiantial And Linear
08/28/19
how to solve this problem step by step
Fred and Wilma purchase a new home for $200,000. The value of the home increases by 5% every 2 years. Determine the value of the home after 25 years.
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Linear Algebra
08/28/19
The equation for the slope 3/5, passes through (-6,-8)
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Distance vertices
Three straight paths in a park create a triangle with picnic shelters at their vertices. The picnic shelters are located at (-24, 16), (56, -16) and (-72, -32). Where should a "splash pad" be...
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Quadrilaterals vertices PQRS
Quadrilateral PQRS has vertices P(3,2), Q(0,4), R(-2,1) and S(1,-1) a) Verify that quadrilateral PQRS is a square.b) Find the perimeter of the rectangle.
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Linear Algebra
08/21/19
The sum of a number and four times the number.
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Linear Algebra
08/19/19
On Tuesday Shanice bought five hats. On Wednesday half of all the hats that she had were destroyed. On Thursday here were only 17 left. How manybdid she have on Monday?
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08/15/19
please help me with this problem. i am having so much trouble
An acquaintance of one of the authors was about to take his startup internet company public. He owned 5% of the 900,000 shares of stock that were issued when the company was first formed.The board...
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Linear Algebra
08/15/19
linear tranformation
Let T:ℝ2→ℝ2 be the linear transformation that first reflects points through the x-axis and then then reflects points through the line y=−x. Find the standard matrix A for T.
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Linear Algebra
08/14/19
SAT Word Problem
Kathy is a repair technician for a phone company. Each week, she receives a batch of phones that need repairs. The number of phones that she has left to fix at the end of each day can be estimated...
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solve an inequality
In your class, you have scores of 84, 92, 83 and 89 on the first four of five tests. To get a grade of Upper B, the average of the first five tests scores must be greater than or equal to 80 and...
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If v1 and v2 are eigenvectors of a matrix A corresponding to the eigenvalues λ1 =2 and λ 2 =6...
If v1 and v2 are eigenvectors of a matrix A corresponding to the eigenvalues λ1 =2 and λ2 =6...v1= [-5 v2= [ 5 1] 4]then,A(v1 + v2)=A(3v1)=
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Determine the coordinates for fire station
On a map, three towns are located at the coordinates A(5,1), B(-2,0) and C(4,8). The township wants to build a new fire station that is the same distance from each town. Determine the coordinates...
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Quadrilaterals - Verify that the shape with vertices at P(-5,2), Q(-1,3), R(-2,-1) and S(-6,-2) is a rhombus.
Verify that the shape with vertices at P(-5,2), Q(-1,3), R(-2,-1) and S(-6,-2) is a rhombus.
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Determine the equation of a line that is perpendicular to the line 5x+y-6=0 and passes through the point (4, -3).
Grade 10 MathDetermine the equation of a line that is perpendicular to the line 5x+y-6=0 and passes through the point (4, -3).
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Problem solving - Linear Systems
1) Solve the following linear system using Substitution and interpret the results. 6x=3y+2 and y-2x+4=02) Two fractions have denominators 3 and 4 and their sum is 17/12. If the numerators are...
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