1,975 Answered Questions for the topic linear algebra

Linear Algebra Math Algebra 1 Algebra 2

08/11/22

Queuing System please help
there is a barber shop. customers arrives in every 5 mins with exponentially distributed process. only one server who on the avarege takes 10 mins to finish a customer A) what is utilizationB) what... more
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08/09/22

Question dealing with Physics, specifically working with spherical coordinates, uni level.
The spherical coordinates of a circular ring are a, α. A sphere of relative capacitivity K and radius b has the origin as its center. If the ring carries a charge of linear density τ, find the... more
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Linear Algebra

08/09/22

Linear Equations In Two Variables
Write an equation in slope-intercept form that passes through (3,-2) and is perpendicular to y = 4/3x - 1.
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Linear Algebra

08/09/22

Word Problem - Algebra
When a band plays at the main stage of a 1,100-person festival, they sell 21 T-shirts. Their next festival gig involves playing on the main stage at a 2,900-person festival. How many T- shirts do... more
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Linear Algebra

08/08/22

Find an ordered pair (x,y) that is a solution to the equation 3x+y=1
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Linear Algebra Math Calculus

08/05/22

linear programming question
A furniture manufacturer employs 6 skilled and 11 semiskilled workers and produces two products: study table and computer table. A study table requires 2 h of a skilled worker and 2 h of an... more
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Linear Algebra Math Algebra 1 Algebra 2

08/05/22

Maximum Possible Profit
The total cost of producing x items per day is (45x+27)dollars , and the price per item at which each may be sold is (60-0.5x)dollars . find an expression for the daily profit, and hence find the... more
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Linear Algebra Math Algebra 1 Algebra 2

08/05/22

Mathematical Modelling Question
A string 72 cm is to be cut into two pieces. One piece is used to form a circle and the other a square. What should be the perimeter of the square in order to minimize the sum of two areas?
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Linear Algebra Math Algebra 1 Algebra 2

08/05/22

Maximum Possible Profit
The total cost of producing x items per day is (45x+27)dollars , and the price per item at which each may be sold is (60-0.5x)dollars . find an expression for the daily profit, and hence find the... more
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Linear Algebra Math Algebra 1 Algebra 2

08/05/22

Find the BREAK-EVEN Point
Jenny will run an ice cream stand in the coming week-long multicultural event. she believes the fixed cost per day of running the stand is 60$. her best guess is that she can sell up to 250 ice... more
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Linear Algebra

08/05/22

!!PLEASE HELP ME I NEED GENUINE HELP AND EXPLAINATIONS!!
a certain ride offers a discount of $1 on the full price of the ride when 10 or more tickets are purchased. if 20 discount tickets cost the same as fifteen full-price tickets, find the cost of each... more
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Linear Algebra

08/05/22

does this actually work?? please help
event with four competitors, the first competitor runs a certain distance, the second runs this same distance plus an extra 100 metres, the third runs the same distance as the second runner plus an... more
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Linear Algebra

08/05/22

at the movies a discount ticket sells for $5 dollars off the normal price. if four discount tickets and three full price tickets cost $92, how much does each type of ticket cost?
pls help :(
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Linear Algebra

08/05/22

at the school fete, my friend spent eight dollars less than i, and together we spent a total of $22. how much did we each spend at the fete?
then it says "at the same school fete, three adult rides and eight half price rides cost $21. how much was an adult ride?" pls someone help quick !
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Linear Algebra

08/03/22

write an equation in slope-intercept form of the line that passes through the points (-4,2)and(1,-1).
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Linear Algebra Algebra 1

08/01/22

Stuck on this question
In 1994, the moose population in a park was measured to be 4300. By 1996, the population was measured again to be 1200. If the population continues to change linearly:Find a formula for the moose... more
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Linear Algebra Math

07/29/22

How would you put these numbers in a point-slope equation?

1.) Slope: 8/1: (x,y): (-8,-24)2.) Slope: -1 (x,y): (-48,-8)
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Linear Algebra

07/27/22

A theater can seat 320 people. The number of rows is 4 less than the number of seats in each row. How many rows of seats are there
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Linear Algebra

07/26/22

Show that x=10, y = 4, and z = 7 is a solution to the system below without solving the system formally x+2y+z=25 4x-y-5z=1 -2x-y+82=32
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Linear Algebra

07/25/22

3x + 4y – 5 = 0 and 2x – y + 4 = 0 solve the equation
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Linear Algebra

07/22/22

Find the equation of the line with slope −4/5 and y-intercept (0,0). (Write the equation in standard form.)
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Linear Algebra

07/22/22

Ella is deciding between two cell phone plans; plan A: $35 plus 5 cents/min; plan B: $65 for unlimited minutes; which plan should she choose
Ella is deciding between two cell phone plans: plan A: $35 plus 5 cents/minplan B: $65 with unlimited minuteswhich plan should she sign up for?
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Linear Algebra

07/21/22

Pre calculus question

I need to "write the solution as a product of 2 matrices" (7/4)x-(9/4)y-z=9 x-y-z=8-(5/4)x+(7/4)y+z=2 Can you tell me how I go about doing this? Thanks
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Linear Algebra

07/19/22

rain equation of the line that passes through the point (5,6) w the slope of 3
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Linear Algebra Algebra 2

07/17/22

Given the following constraints, find the maximum and minimum values for z
I understand how to graph this. I also know where the feasible region is. I'm just having trouble identifying exactly how to find the z co-ords. Would very much appreciate the help!Constraints:... more
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