1,472 Answered Questions for the topic Linear Equations
07/10/20
PLS HELP :)) i am not sure how to solve this problem
The cost of making 11 tables is $1,140. The cost of making 25 tables is $1,560. Assume this is a linear relationship.What is the cost per table? Write a linear equation that tells you the total...
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07/07/20
system of linear equation
Juan invests a total of $27,000 in two accounts. The first account earned a rate of return of 9% (after a year). However, the second account suffered a 2% loss in the same time period. At the end...
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Systems of linear equation
A bank loaned out $15,000, part of it at the rate of 13% annual interest, and the rest at 11% annual interest. The total interest earned for both loans was $1,720.00. How much was loaned at each rate?
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Linear Equations Inequalities
07/02/20
Solving a percent mixture problem using a linear equation
Two factory plants are making TV panels. Plant A produced 15,000 panels. 10% of the panels from Plant A and 3% of the panels from Plant B were defective. How many panels did Plant B produce, if the...
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Linear Equations
06/30/20
If the product of a number and -9 is subtracted from the number, the result is 8 more than the number. Find the number.
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Linear Equations
06/27/20
Solving a percent mixture problem using liner equation
two factory plants are making tv panels. yesterday plant A produced twice as many panels as plant B. five percent of the panels from plant A and 2% of the panels from plant B were defective. how...
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Linear Equations
06/19/20
Harry took a loan from the bank. D represents Harry's remaining debt (in dollars) after t months. D=-200t+9000 What was the size of Harry’s loan?
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Solve the equation...
X^2 + y^2 = 10 X^2 - 5xy + 6y^2Please solve this equation and what is the class of this equation?
Math Linear Equations, Finding two variables
A test has twenty questions worth 100 points. The test consists of True/False questions worth 3 points each and multiple choice questions worth 11 points each. How many multiple choice questions...
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Linear Equations Linear Algebra
06/16/20
Application of linear inequalities
For his mobile phone service, John pays a monthly fee of $40 plus $15 for each 1 GB of data (rounded up) over his 8 GB of data that comes with his plan. For his monthly charge before taxes to be at...
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Which list of ordered pairs represents solutions to x + y = 2 ? (-4, 6), (0, 2), (4, 2). (-4, 6), (0, 2), (4, -2). (-4, -6), (0, 2), (4, 2).
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Linear Equations
05/27/20
write the slope intercept form of the equation of the line described: through (1,3) parallel to y= -x + 5
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Linear Equations
05/24/20
Translate the sentence into an equation.
The sum of 2 times a number and 6 is equal to 7
Linear Equations
05/22/20
Kelly had 24 dimes and quarters worth $3.60. How many of each coin does she have
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05/21/20
Grade 9 math linear equations
Leon took three of her friends to visit the zoo. The bus fares cost $5.50 per person. The cost of admission to the zoo was the same for each person in the group. Leon spent $109 altogether on fares...
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05/21/20
Grade 9 math linear equations
An equilateral triangle has a perimeter of 17.85 metres. The side length of the triangle , in metres, is 2k - 0.5. What is the value of k ?
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05/19/20
Grade 9 math/ linear equations/word problem
the sun takes 25.38 earth days to rotate once about the axis. This time is 3.92 earth days less than half the time that mercury takes to rotate about it's axis. how many earth days does mercury...
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05/14/20
A quick answer for this question?
If A is a sequare matrix of order 3 and |A|=5 ,then |(2A)-1| is equal to?A)2/5B)1/40C)8/5D)1/10
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05/14/20
Quick less than an hour whats the answer for this?
Let A be a 3x3 matrix, and suppose that the matrix B is obtained from A by : R1←→R2; 5R2+R3→R3.If |A|= -12, then |B| =??
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05/13/20
The table below gives the bushels of corn per acre resulting from the use of various amounts of fertilizer in pounds per acre:
n (1st column) BUSHELS OF CORN PRODUCED (Y) (2nd column) AMOUNT FERTILIZER USED (X) (3rd column)
1 (n) 4 (y) 6 (x)
2 44 10
3 46 12
4 48 ...
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05/06/20
Linear algebra question
Show that the following sets of vectors of R3 are linearly independentand span R3:(a) S1 = {(1, 2, 3),(3, 2, 1),(0, 0, 1)}.(b) S2 = {(3, 0, −6),(−4, 1, 7),(−2, 1, 5)}.
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05/06/20
Linear algebra question
Show that the following sets of vectors of R3 are linearly independentand span R3:(a) S1 = {(1, 2, 3),(3, 2, 1),(0, 0, 1)}.(b) S2 = {(3, 0, −6),(−4, 1, 7),(−2, 1, 5)}.
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Linear Equations Algebra 2
05/06/20
Tell whether the system has one solution identify many Solutions or no solution 6x-8y=14 and -3x+4y=-7
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Linear Equations
04/30/20
Equation of line
I need to find equation of the line that is perpendicular to y = -1/4x - 2 and goes through the point (-2,-3)
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Linear Equations Linear Algebra
04/30/20
Determine the equation of the line with a y-intercept of 6 and crosses through point (-3, 12)
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