1,954 Answered Questions for the topic linear algebra

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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Linear Algebra

07/15/22

The sum of 4 times a number and -7, added to 9 times the number

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Linear Algebra

07/12/22

Function Family
f(x = x with exponent of 1/2 Is that a linear function?
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Linear Algebra

07/11/22

Value of unknowns

3f+4f-2f=125
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Linear Algebra

07/04/22

Write an expression to represent each electricians total charge
Flash Electricians Call out charge = $50Hourly charge = $50
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Linear Algebra Math Algebra 2

07/04/22

For the given function f and g, complete parts (a)-(h). For parts (a)-(d), also find the domain. F(x)=2x+7;g(x)=7x-6
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Linear Algebra Math Algebra 1

07/03/22

Express g(x) as a product of linear factors
G(x)=x^3-3x^2-14x+12
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Linear Algebra

07/01/22

A bottle manufacturer has determined that the cost (C) in dollars of producing x bottles Is C = 0.65x + 2000. What is the cost of producing 300 bottles?
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Linear Algebra

07/01/22

Solve the system by graphing.
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Linear Algebra Sat Math

06/28/22

Linear Inequality Word Problems
An excess of nitrogen in fertilizer can damage lawns. Experts recommend that the amount of nitrogen applied to a lawn not exceed 1 pound (lb) of nitrogen per 1,000 square feet (ft2) of lawn.... more
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Linear Algebra Algebra 2 Calculus

06/26/22

the one-to-one functions g and h are defined as follows
g={(-5,8), (-2,7), (5,3), (8,9)}h(x)=3x+2Find the following.g-1(8)=h-1(x) =(h o h-1)(5) =
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Linear Algebra Algebra 1 Algebra 2

06/23/22

Math question please answer ASAP
An obstetrician uses the length of a foetus, measured by ultrasound, to determine the approximate age of the foetus to establish a due date for the mother. Suppose a 10-week old foetus measures 3.2... more
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Linear Algebra Math Algebra 2

06/22/22

What is height h?

Problem 1. The Norman window with dimensions as shown is a rectangle topped by a semicircle. If the area of the window is 44.2 square feet, find its height h. (Round your answer to the nearest... more
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Linear Algebra Electrical Engineering

06/21/22

Could s.o help me this problem. We are doing the second semester of the first year of ho chi minh city uni of tech. (HCMUT) . This is linear algebra course
Doing the row operation -6R2 + R3-> R3 on a matrix A(4*4) this is equivalent to multiplying A by the matrix D. Find D and figure out it is on the left or right of the A
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Linear Algebra Math

06/21/22

Solve using Gaussian Reduction Method
Solve the following linear equation using the Gaussian Reduction Method2x + y + 2z = 10x + 2y + z = 83x + y -z = 2
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Linear Algebra

06/16/22

At the fair, 5 friends each bought an $8 meal voucher and one ice-cream voucher. The total cost of the vouchers was $55. What was the price of an ice-cream voucher?
a) Choose a variable to represent the price of an ice-cream voucher. Write an equation to model this problem. b) Solve the equation using the distributive property. c) Verify the solution. Explain... more
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