80 Answered Questions for the topic Linear Equation

06/20/19

Lucy is shipping 5 boxes that all weigh the same, and 1 envelope that weighs 7.5 pounds. The total weight of the shipment is 65 pounds. What is the weight, in pounds, of each box?
Use linear equation to solve
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06/14/19

find linear equation

A cab company charges a $5 boarding rate in addition to its meter which is $3 for every mile. What is the equation of the line that represents this cab company’s rate?(thxs a lot for anyone solving... more
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06/14/19

find linear equation

A cab company charges a $5 boarding rate in addition to its meter which is $3 for every mile. What is the equation of the line that represents this cab company’s rate?(thxs a lot for anyone solving... more
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01/25/19

Find a formula for a linear function that has x-intercepts 14 and y- intercept -16?
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09/22/18

Help with math word problem
Let the variable y be the money you have saved in the bank. Let x be the amount of weeks worked. Assume you work 40 hours a week and earn $30/hr. Suppose you start with $4000 in the bank. Write a... more
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09/04/18

Sum of 2 nos is 42 & product of the same 2 nos is 36. What're those 2 nos?
The numbers which results in a sum of 42 also results in a product of 36.
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07/30/18

How to determine whether T is linearly independent ? Justify your answer please.
Let S={X1,X2,X3} be a linearly independent set of vectors in R^3. How to determine whether T={2X1 + X2 - 2X3,4X1+ 3X2,3X1 + 2X2 - X3} is linearly independent. Justify your answer please.
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07/27/18

Is this True or False ? Justify please
If X1,X2 and X3 are vectors in R3 such that {X1,X2} and {X1,X3} are linearly independent sets, then {X1,X2,X3} is a linearly independent set.
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07/02/18

the maximum load of a lift is 960 kg. assume the mass of each boy is 45 kg, find the maximum number of boys who may be able to ride the elevator all the time
pls answer it fast,i must use the answer tomorow.please help me
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05/21/18

Find the equation of the line through (2,3) that forms the area of 12 sq. units with the coordinates axes.
Linear Equation
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05/15/18

Write an equation of the line that passes through the point (-4,-1) and is (a) parallel to and (b) perpendicular to the line 2x+7y=14
Please help i am vert stuck
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04/23/18

The ten digit of a certain two-digit number exceeds the unit digity by 4 and is 1 less than twice the one digit. Find the two-digit number?
It is a question related with topic linear equation
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04/03/18

The sum of three numbers is 10. Twice the first number plus second equals the third. Half the first number plus the second plus the third is 6. Find the numbers
I am just confused on how to set up the second equation 
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03/21/18

How many people will there be
The attendance on the first day of the Sunny Day Festival was 325 people. The attendance on the 3rd day was 382 people. Assuming the attendance will increase linearly each day, write a linear... more
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03/06/18

In equation X+2y =5,if you=0 then write the value of x
Find the value of x
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02/28/18

Sum of linear equation
Sharad brought a table and a fan together at rs 5000 . After sometime he sold the table at the gain of 25% . And the fan at gain of 20%. This he gained 23% on the whole find cost of fan
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02/16/18

Equation with 4 variables
What are the maximum numerical values for each variable in: 3x+4y+5z+6w=144   So that the equation is true, and no variable is negative.
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02/12/18

Solve The Linear Equation Symbolically
(x-5)/3+(3-2x)/2=5/4-2(1-x)
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02/09/18

\where m is the length of the call in minutes. C(m) = 0.1m + 0.9 Determine how long a phone call can be made for $6.90.
\where m is the length of the call in minutes. C(m) = 0.1m + 0.9 Determine how long a phone call can be made for $6.90.
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12/23/17

Divide 116 among four parts such that 5 added to first, 4 subtracted from second, third multiples by 3 and fourth divided by 2 give the same result
Plzz help in me solving some maths problems and few issues that r difficult and solve all solution
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12/09/17

alex is a sales representative and earns a base salary of 1000$ per month plus 4% commission om his sales for the month
A. Write a linear equation that expresses Alex's  monthly  salary y in terms of his sales x   
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10/31/17

Linear Equation
A small company produces an item that sells for $20. It costs $5 in materials to make each item. Inaddition the company has $1900 in operating costs. The company would like to make a profit of... more
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10/31/17

Represent a situation using a 1-variable linear equation
Three golden retriever dogs have an average weight of 63 pounds. The heaviest dog weighs 5 poundsmore than the dog with the middle weight. The lightest dog weighs 3 pounds less than the dog with... more
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10/30/17

A pharmacist wants to mix a 16% saline solution with a 26% saline solution to get 15 L of a 20% saline solution. How much of each solution should she use?
A pharmacist wants to mix a 16% saline solution with a 26% saline solution to get 15 L of a 20%saline solution. How much of each solution should she use?
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09/21/17

Solving a distance, rate, time problem using a linear equation.
Tom drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 9 hours. When Tom drove home, there was no traffic and the trip only took 4 hours. If his... more
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