1,472 Answered Questions for the topic Linear Equations

Linear Equations Maths Cartesian Graph

08/02/18

If the midpoint of point A and B is (1 ,3), what might the end points be?
Give reasons for your answer. Use mathematical terms and explain your reasons mathematically, justify your answers. Hints: draw a diagram, is there only one answer? If you have multiple solutions,... more
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Linear Equations

08/01/18

4x+ky=6 and kx+y=-3
Find the values of the constant k such that the system of the linear equation
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Linear Equations Algebra 1 Algebra 2 Algebra

08/01/18

Write an equation in slope-intercept form for the line that passes through (2, 7) & (26, 21)...?
A.)y = 14x + 1/10 B.)y = 24x + 1/10 C.)y =  14/24x + 140/24 D.)y = 10x + 140/24
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Linear Equations

08/01/18

If the midpoint of point A and B is (1 ,3), what might the end points be?
Give reasons for your answer. Use mathematical terms and explain your reasons mathematically, justify your answers. Hints: draw a diagram, is there only one answer? If you have multiple solutions,... more
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07/30/18

How to determine whether T is linearly independent ? Justify your answer please.
Let S={X1,X2,X3} be a linearly independent set of vectors in R^3. How to determine whether T={2X1 + X2 - 2X3,4X1+ 3X2,3X1 + 2X2 - X3} is linearly independent. Justify your answer please.
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Linear Equations Math Word Problem Alegbra

07/28/18

Linear equation for attendance.
 A local theme park found that if the price of admission was $13 , the attendance was about 1950 customers per week. When the price of admission was dropped to $9 , attendance increased to about... more
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07/27/18

Is this True or False ? Justify please
If X1,X2 and X3 are vectors in R3 such that {X1,X2} and {X1,X3} are linearly independent sets, then {X1,X2,X3} is a linearly independent set.
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Linear Equations

07/27/18

Juice boxes are sold in a local store for 90 cents each. The factory has $1400 in fixed costs plus 20 cents of additional expense for each juice box made.
Assuming all juice boxes manufactured can be sold, fine the break-even point.  
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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.
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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
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07/27/18

Is this True or False ? Justify your answer please.
If A is a 2 x 2 matrix such that AAT (Transpose) = 0, then A = 0.
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Linear Equations

07/25/18

if four time a certain number equals nine minus a half of the number
answer 
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Linear Equations

07/19/18

A group of 190 tourist can be carried either in 4 buses and 2 vans or in a bus and 10 vans.Find the number of tourist each van and bus can carry
Help this tough linear equation from kenya plz help asap and try to explain for me all tje steps.well bcoz I am 15 years old
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Linear Equations

07/13/18

How many of each type of ad can the department run each month?
A health insurance company advertises on television, on radio, and in the local newspaper. The marketing department has an advertising budget of $92,600 per month. A television ad costs $2000, a... more
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Linear Equations

07/13/18

matt is 5 years older than kerry. in 7 years' time kerry's age will be three quarters of matt's age. how old is kerry now?
write an equation and solve
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Linear Equations Rise Over Slopes

07/12/18

slope y-intercept form of an equation for a line that has an x-intercept of -6 and goes through (-2,6)
 linear equations
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Linear Equations

07/07/18

The sum of 36 and three times a number is 108. Find the number
 What is the number?
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Linear Equations

07/06/18

number based question
Find the number which when doubled exceeds its quater by 14.Also verify your answer with steps Sir please solve the entire problem and equation 
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Linear Equations

07/02/18

Search for which numbers adding itself is the same as multiplying itself. 2 and 0.36... Is the answer. But why not 0?
2x=x^x 2x-x^x=0 Graphing gives x=0.36.. And 2. But why not 0? 0 gives - 1
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Linear Equations

06/27/18

He already has $40 and can save $20 each week from his job .write a linear equation to represent the total amount he has after ‘w’ weeks
Joe wants to purchase a skateboard but you have to do a linear equation
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Linear Equations

06/26/18

If the length of a rectangle is 5/2 times of its width and the perimeter of rectangleis 28 m find its dimensions
it is a linear equation question  
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Linear Equations Algebraic Linear

06/17/18

A taxi driver charges a $2 flat fee plus $0.35/km. The cost can be modelled by the equation C=0.35d+2.
Make a table of values showing the cost for trips from 0 to 10 km.
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Linear Equations Linear

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
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06/15/18

Systems of linear and quadratic equations
solve the system. Enter the point that is furthest to the left first. y=-x2-x+19 y+80=x   I currently Have the first Part done which is (-11,-91)   I have the x coord of the second one which... more
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Linear Equations

06/14/18

Danielle earned $20 more than Catalina. Catalina earned $5 more then Leah. Lily earned half of the amount Catalina earned. How much did each girl get?
Find by using an equation
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