1,375 Answered Questions for the topic Linear Equations

Linear Equations Linear Algebra Algebra

05/04/21

Linear Equation Word Problem (below)

The sum of Eric’s and Bob’s weights is 9 times the difference of their weights. The positive difference of their weights is also 240 pounds less than the sum. If Eric weighs less than Bob, find... more
Linear Equations Linear Algebra Algebra

05/03/21

Linear Equation Word Problem (below)

A plane traveled 1496 miles to Baltimore and back. The trip there was with the wind. It took 11 hours. The trip back was into the wind. The trip back took 17 hours. Find the speed of the plane in... more
Linear Equations Math Linear Algebra Maths

04/30/21

Find the new quadratic form?

Classify the quadratic form below. Then make a change of​ variable, x=Py​, that transforms the quadratic form into one with no​ cross-product terms. Write the new quadratic... more
Linear Equations Math Linear Algebra Maths

04/30/21

Find the new quadratic form

Classify the quadratic form below. Then make a change of​ variable, x=Py, that transforms the quadratic form into one with no​ cross-product term. Write the new quadratic form.2x21 + 8x1x2+2x22What... more

04/30/21

Find the complete solution of the system of linear equations.

Find the complete solution of the system of linear equations. Express your answer in terms of t where x=x(t), y=y(t), and z=t. { x + 4y - 2z = -3 2x - y + 5z = 12 8x + 5y + 11z = 30 }(x, y, z) =... more
Linear Equations Linear Algebra

04/23/21

how do I solve this? 2 (x+3) > 6(x-1)

Linear Equations Algebra

04/14/21

Write the point-slope form of an equation of the line that is perpendicular to y=-2x-5 and has the same y-intercept as 2x+y=5.

So, I can't figure out what the point-slope form is but I can find the slope-intercept form which is y=1/2x+5 and I hope that's correct. I only remember how to find the point-slope form if I have a... more
Linear Equations Math

04/09/21

How would I go about solving this problem?

Sierra invested her savings of $4800, part at 9% and the rest at 10% (both simple interest). At the end of the year the interest from the 9% investment was $43 less than the interest from the 10%... more
Linear Equations

03/29/21

How to add greater than in Excel Solver

I have a linear constraints as X>Y, and I need to add it into Excel Solver. But the option in add-in just have >=, <= or =. So what should I do?
Linear Equations Algebra 1 Algebra 2 Algebra

03/28/21

Algebra (Linear Algebra)

A tourist has a collection of 33 coins consisting of Belgian francs ( 2 cents each), British shillings (14 cents), and German marks (25 cents each). The total value of the collection is $6.33. He... more
Linear Equations Math

03/27/21

A line's slope is –1/5 ,and its y -intercept is –7

Write a linear equation from a slope and y-intercept
Linear Equations Linear Algebra

03/27/21

Algebra (Linear Algebra)

The sum of the digits of a three-place number is 14. If the digits are reversed and the resulting number is added to the original, the sum is 1171. If the resulting number is subtracted from the... more
Linear Equations Math Algebra 1 Algebra 2

03/26/21

Please help me as soon as possible please with algebra homework

Question 1.) A carpet cleaning business has 100 customers when they charge $125 for a cleaning. Research shows that every $5 reduction in price attracts another 20 customers. Which equation could... more
Linear Equations Math Algebra 1 Algebra 2

03/26/21

Please help me with this algebra homework question as soon as possible please

Question 1.) A carpet cleaning business has 100 customers when they charge $125 for a cleaning. Research shows that every $5 reduction in price attracts another 20 customers. Which equation could... more
Linear Equations Math Algebra 1 Algebra 2

03/26/21

Hello, I need assistance with my algebra homework very soon please

Question 1.) A carpet cleaning business has 100 customers when they charge $125 for a cleaning. Research shows that every $5 reduction in price attracts another 20 customers. Which equation could... more
Linear Equations Math Algebra 1 Algebra 2

03/26/21

application of linear algebra

Question # 2: Consider an open economy with three industries: coal-mining operation, electricity-generating plant and an auto-manufacturing plant. To produce $1 of coal, the mining... more
Linear Equations Math Algebra 1 Algebra 2

03/26/21

Hi um so these questions have stumped me for days please help me with my math homework

1.) Which function should be used to when evaluating the function at x = 3?A.)B.)2.) A computer training institute has 625 students paying $400 as the course fee. Their research shows that for... more
Linear Equations Math Algebra 1 Algebra 2

03/26/21

Hi I have not gotten any help please respond please help me very quickly

1.) Which function should be used to when evaluating the function at x = 3?A.)B.)2.) A computer training institute has 625 students paying $400 as the course fee. Their research shows that for... more
Linear Equations Math Algebra 1 Algebra 2

03/26/21

Poor favor I am in desperate need of help I have not received any and I am on the verge of crying please help

1.) A carpet cleaning business has 100 customers when they charge $125 for a cleaning. Research shows that every $5 reduction in price attracts another 20 customers. Which equation could be used to... more
Linear Equations Math Algebra 1 Algebra 2

03/26/21

Hi please respond and help very quickly with math homework please

1.) A carpet cleaning business has 100 customers when they charge $125 for a cleaning. Research shows that every $5 reduction in price attracts another 20 customers. Which equation could be used to... more
Linear Equations Math Algebra 1 Algebra 2

03/26/21

Por favor I need help with my algebra homework please very quickly I have needed help for hours

1.) The cost to print photos is modeled by C(n), where n represents the number of prints.The print shop plans to raise the rate per printed photo by $0.10, and offer a 25% discount on the rate if... more
Linear Equations Math Algebra 1 Algebra 2

03/26/21

Hello I have not received help from anyone and I am so desperate I need help with my algebra homework please very quickly

1.) The cost to print photos is modeled by C(n), where n represents the number of prints.The print shop plans to raise the rate per printed photo by $0.10, and offer a 25% discount on the rate if... more
Linear Equations Math Algebra 1 Algebra 2

03/26/21

I am in desperate need of help with my algebra homework please please help me as soon as possible very quickly please respond

1.) Which function should be used to when evaluating the function at x = 3?A.)B.)2.) A computer training institute has 625 students paying $400 as the course fee. Their research shows that for... more
Linear Equations Math Algebra 1 Algebra 2

03/26/21

I am new and I have not received any help with my algebra homework please help me as soon as possible please

1.) Which function should be used to when evaluating the function at x = 3?A.)B.)2.) A computer training institute has 625 students paying $400 as the course fee. Their research shows that for... more

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