1,472 Answered Questions for the topic Linear Equations

Linear Equations

05/24/21

HELP me i need help
karen's piggy bank has all dimes and quarters. The total value of her piggy bank is $11.35. If Karen has 13 quarters write and solve a linear equation to find the number of dimes she has.
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Linear Equations Math Sat Math Algebra

05/21/21

A straight line passes through the points (5/2, 2) and (-3/2, 1)
A straight line passes through the points (5/2, 2) and (-3/2, 1)what is the equation of the line and the x intercept?
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Linear Equations

05/21/21

Write in slope-intercept form an equation of the line that passes through the point (7,2) and is perpendicular to the line y = -4x + 10.
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Linear Equations

05/21/21

Write in slope-intercept form an equation of the line that passes through the point (5,4) and is parallel to the line y = 2x +1 .
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Linear Equations

05/20/21

1. A stadium has found that if ticket prices are $10 then 3000 people come to an event. If the tickets are priced at $5, then 8000 people come to the game. Assume that this relationship is linear.
a) Find the ticket sales equation for tickets to the game. Use t for the number of tickets and x for the price of each ticket. 
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Linear Equations Math

05/19/21

A line includes the points (5, 5) and (0, –4). What is its equation in slope-intercept form? Write your answer using integers, proper fractions, and improper fractions in simplest form.
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Linear Equations Linear Algebra

05/18/21

What is the standard form of equation m = 0 passing through P(−4, −8)?
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Linear Equations Math Algebra 1 Algebra 2

05/15/21

How many cubic meters of water can this pool hold?
Pool: https://ibb.co/XzZdtQGA city is going to build a new swimming pool at the recreation center. Assuming that the pool is 10 feet deep, approximately how many cubic meters of water will this... more
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Linear Equations Math

05/12/21

Solve the following system of linear equation:
x + z = 6-3y + z = 72x + y + 3z = 15
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Linear Equations Math

05/12/21

Leanne works at a greenhouse. She needs to plant a total of 32 bulbs. Two types of bulbs are available. She plants two more tulip bulbs than twice as many as crocus bulbs. How many of each were grown
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Linear Equations Math

05/11/21

For a school play, Janis sold 6 adult tickets and 15 student tickets, and collected $48. Tom sold 8 adult tickets and 7 student tickets, and collected $38. Find the cost of adult and student tickets.
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Linear Equations

05/11/21

Point Slope form
passes through (-4, -5) slope = Fraction: 3/4
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Linear Equations Algebra 1 Slope Intercept Form

05/08/21

How do you find the slope between two points A and B? Point A has coordinates (4,2), Point B has coordinates (7,3)

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05/07/21

Consider the system of linear equations
a1x + b1y = c1a2x + b2y = c2where a1, b1, c1, a2, b2, and c2 represent real numbers. What must be true about the lines represented by the equations when the following is true?A: The lines must... more
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05/06/21

Find an equation of the line through (1,5) and parallel to y=3x-2 Write the equation using function notation
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Linear Equations Math

05/06/21

How far from the station will they meet?

A train leaves a station and travels north at a speed of 50mph. Five hours later, a second train leaves on a parallel track and travels north at 175mph. How far from the station will they meet
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Linear Equations Math

05/05/21

How much was invested at each rate?

$5900 is invested, part of it at 12% and part of it at 7%. For a certain year, the total yield is $568. How much is invested at each rate?
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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
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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
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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
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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
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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
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Linear Equations Linear Algebra

04/23/21

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

04/13/21

How do I solve this equation below using the matrix method, 6x + 8y = 1 && -3x -4y = -0.5?
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