1,477 Answered Questions for the topic Linear Equations

Linear Equations

08/09/15

What is the slope of the line that passes through the points (1, 4) and (-3, 1)?
What is the slope of the line that passes through the points (1, 4) and (−3, 1)?
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08/09/15

Help Please
A builder needs to build a ramp to a house. It starts at 10 meters from the house, and when it reaches the house it is 0.8 meters higher than where it started. Building regulations state that the... more
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08/09/15

Distance from the point (-2,4) to the point (3,-5)
Show and tell how could you find the distance from the point (-2,4) to the point (3,-5)? Is there more than one way to find the distance between the two points? What mathematical theorems were... more
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08/09/15

In August, Diane made phone calls totalling 165 minutes, and her phone bill was $66.50. In September, she totalled 207 minutes and her phone bill was $70.70.
a) sketch a linear graph to model this data. label axes and scales clearly.  b) find a linear model to express the relationship of call minutes t to bill total C (in dollars). Show all working... more
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Linear Equations

08/09/15

Word Problem Linear progrmming
According to FBI's, "Global Information System Security 2015", there were 3.4 million “detected and reported information security incidents” (cyberattacks, etc.) against computer networks in the... more
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Linear Equations

08/02/15

The sum of two numbers is 47. One of the numbers is 2 more than twice the other number. Find the value of the smaller number.
Selected applications of linear equations
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Linear Equations

08/01/15

graph the linear equation f(x)= -2/3x
1. decide weather or not the correct factored form of the polynomial is given 9y^2+12y+4 (3y-2)(3y-2)   2.use the quadratic equation formula to solve the equation x^2-175=0 (type your answer in... more
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Linear Equations

07/28/15

A stereo system is bought for $1200 and sold eight years later for $400. Find the depreciation equation. then find the value after the first five years
the first answer must be in y=mx+/-b form. the second answer for the value after the first five years of ownership must be a dollar amount. please help!!
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Linear Equations

07/18/15

How many pounds of each blend should the shop prepare each day to maximize profit?
Pete's Coffee sells two blends of coffee beans, Morning Blend (MB) and South American Blend (SMB). Morning Blend is 1/3 Mexican beans and 2/3 Colombian beans, while South American Blend is 2/3... more
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Linear Equations

07/18/15

If her profit is $39 per floor lamp, and $33 per table lamp, how many of each should she make each week to maximize her weekly profit?
A craftswoman produces floor lamps and table lamps. Production of one floor lamp requires 75 minutes of labor, and $25 of materials. Production of one table lamp requires 50 minutes of labor, and... more
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Linear Equations

07/16/15

parallel lines and slope
the line passes through (2,-6) and is parallel to the line whose equation is y=2x+3
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07/13/15

Graphing and Solving Systems of Linear and Quadratic Equations
In a European castle, a room with an arched ceiling is covered by a slanted roof. The ceiling is modeled by the equation:f(x)=-x^2 +4 and the roofline by the equation: f(x)=-2x +5. Assume that the... more
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Linear Equations Math Money

07/11/15

Solve this please, as quick as possible...
Dipesh is looking at two different options for a new video rental plan. Plan A has a fee of $7.95 plus an additional fee of $1.25 per rental. With this plan, the first 2 rentals are free. Plan B... more
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07/07/15

-x-2y=-10 how do you graphy this linear equation?
i dont know how to graph this, someone please help me 
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Linear Equations

07/06/15

The sum of two numbers is 47. One of the numbers is 2 more than twice the other number. Find the value of the smaller number.
I am not sure how to set up this problem. I'm confused because it is in word form but i can solve it in equation form. Also, what would the smaller number be?
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Linear Equations

07/06/15

How many miles would Debra need to drive for the two plans to cost the same?
Debra will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of $70 and costs an additional $0.50 per mile driven. The second plan has no initial fee... more
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Linear Equations

07/02/15

When 33 is added to a number the result is 13 more than 5 times the number
It is a linear equation where I have to find the missing number
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Linear Equations

06/26/15

Ice cream cones cost $1.80 and sundaes cost $3.30. If there were 148 items sold and the total sales was $360.90, how many of each were Sold?
 I really just need to know how to set up the formula
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Linear Equations Inequalities

06/26/15

Is a dieter allowed to consume six ounces of chicken and four ounces of fish in a single day? Yes No There is not enough information.
A dieter is allowed to eat up to a pound of protein each day in the form of chicken and fish. One ounce of fish is equal to 100 calories, and one ounce of chicken is equal to 250 calories, and the... more
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Linear Equations Inequalities

06/26/15

Input in standard form the equation of the given line. The line that passes through (-1, -3) and (2, 1)
 Need the standard form of the line.
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Linear Equations Math Precalculus Math Help

06/24/15

Find the value of k such that the system of linear equations is inconsistent.
Find the value of k such that the system of linear equations is inconsistent.6x + 2y = 8−9x + ky = −11   k=?
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Linear Equations

06/16/15

word problem and linear equations
A delivery truck is transporting boxes of two sizes: large and small. The combined weight of a large box and a small box is 80 pounds. The truck is transporting 65 large boxes and 55 small boxes.... more
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Linear Equations

06/16/15

Write an equation for a circle entered at the orgin that passes through the points (-8,6)
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Linear Equations

06/16/15

A stone is dropped into a pond and sends out a circular ripple whose radius increases by 6cm/s. What is the equation of the circle 10 s after the stone drops
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06/12/15

Linear Programming?
In the following linear program, State what you are letting x and y be Give the objective function Write the constraints as linear inequalities Show the graph. Be sure to do the shading. List all... more
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