1,472 Answered Questions for the topic Linear Equations

Linear Equations Algebra 1

07/14/19

Linear equation
The number of books in a class library is 17 more than 3 times the number of students in the class. If 5 students are absent, each student can borrow exactly 4 books from the library. Find the no.... more
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Linear Equations Algebra 2

07/14/19

A scientist has two solutions. She knows that Solution A is 60% salt and Solution B is 85% Salt. She wants to obtain 160 oz of a mixture that is 65% salt. How many oz of each Solution should she use?
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07/09/19

How do I create exponential equations?
A colonial settlement started with 500 people and food sources adequate to feed 500 people. They are able to expand their resources to feed 30 additional people each year. The population is growing... more
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Linear Equations Algebra 1

07/09/19

Linear equations

At a hockey game a vender sold a combined total of 114 sodas and hot dogs. The number of sodas sold was two times the number of hot dogs sold. Find the number of sodas and the number of hot dogs... more
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Linear Equations Linear Algebra

07/08/19

A scientist has two solutions, which she has labeled Solution A and Solution B.
A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is 20% salt and Solution B is 45%salt. She wants to obtain 110 ounces... more
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Linear Equations Linear Algebra

07/07/19

The Royal Fruit Company produces two types of fruit drinks.

The Royal Fruit Company produces two types of fruit drinks. The first type is 55% pure fruit juice, and the second type is 80% pure fruit juice. The company is attempting to produce a fruit drink... more
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Linear Equations

06/30/19

age of father is 30 years more than his son. 5 years ago fathers age was 3 times the sons age. find their ages
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Linear Equations Linear Algebra

06/27/19

Which equation is a linear equation in one variable

9 + 2 = 114x^2 - 2x = 52x+y=83x-12=4x
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Linear Equations Algebra 1

06/26/19

Linear Equation
A delivery truck is transporting boxes of two sizes: large and small. The combined weight of a large box and a small box is 55pounds. The truck is transporting 50 large boxes and 55 small boxes. If... more
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Linear Equations Math Algebra 1 Functions

06/21/19

F(a)=2a F(b)=2b determine F(x)=mx+b Have Final Exam today Please Help
the answer is F(x)=2x,but I have no idea how to get there.Help would be greatly appreciated.Thanks
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Linear Equations

06/20/19

If y= -252 when x= 84, what is y when x= 74?
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Linear Equations Math Algebra 2 Algebra

06/18/19

Linear Equation Model for manufacturing companies
Manufacturing companies usually have two types of costs. Fixed costs, sometimes called overhead, are costs that are not related to the number of items manufactured. Fixed costs include things like... more
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Linear Equations Math Linear Algebra Algebra

06/18/19

Write the polynomial q(x) =2x^-10x+5 as a linear combination of the polynomials p1(x) =x^2+2x-3,p2(x) =2x^2+2x+3,p3(x) =3x^2-2x+1
Write the polynomial q(x) =2x^-10x+5 as a linear combination of the polynomials p1(x) =x^2+2x-3,p2(x) =2x^2+2x+3,p3(x) =3x^2-2x+1
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Linear Equations Algebra 1 Linear Algebra

06/16/19

Graphically solving a system of linear equations
Graph the system below and write its solution.y = - 1/2x - 1-x - 2y = 6
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06/16/19

solving a 2x2 system of linear equations that is inconsistent or...
Two systems of equations are given below. For each system, choose the best description of its solution.If applicable, give the solution. -3x + y = -93x-y-9=0 The system has no solution. The system... more
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Linear Equations Algebra 1 Linear Algebra

06/16/19

linear equatations
A family has two cars. The first car has a fuel efficiency of 40 miles per gallon of gas and the second has a fuel efficiency of 25 miles per gallon of gas. During one particular week, the two... more
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Linear Equations Algebra 2 Finance

06/16/19

if the price change of cars parallels the change in the cpi. what would a car sell for in 2005 if a comparable model sold for $10,000 in 1990?

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Linear Equations Algebra 1 Linear Algebra

06/15/19

linear function help
The credit remaining on a phone card (in dollars) is a linear function of the total calling time made with the card (in minutes). The remaining credit after 36 minutes of calls is $19.96 , and the... more
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Linear Equations Math Linear Algebra Algebra

06/15/19

Determine the values of a for which the system has no solutions, exactly one solution, or infinitely many solutions

Hi, i reduced this however i am stuck when it comes to finding the 3 solutions, (infinity, one , no solutions). I am confused with what do they mean with them! would appreciate it if someone can... more
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Linear Equations Linear Algebra

06/13/19

Solving decimal word problems using a linear equation.
Alan rented a truck for one day. There was a base fee of $14.99, and there was an additional charge of 82 cents for each mile driven. Alan had to pay $202.77 when he returned the truck. For how... more
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Linear Equations Algebra 1

06/12/19

The sum of three numbers is 125 . The first number is 7 less than the third. The second number is 4 times the third. What are the numbers?

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Linear Equations Algebra 1

06/10/19

A natural number whose squares diminished by 84 is equal to thrice of 8 more than that number?
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Linear Equations Math Linear Algebra Equations

06/08/19

which of the following equation are non linear?

which of the following equations are non-linear?a) y = -4x^2 - 7 b) 7 x - 9y = 118 c) -5/3x = 2y d) y = 5x^3 + 8x e) y = 9x + 2 and for each linear equation, rewrite in standard form.
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Linear Equations Math Algebra 2

06/08/19

given the equation y = -7/4 (x - 11) + 9, what is the slope and the obvious point on the graph and determine the equation of the line perpendicular to the above line, sharing the same x-intercept

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Linear Equations Algebra 1

06/08/19

How many adult tickets?

On Monday, 350 People bought tickets to the county fair. Tickets cost seven dollars for adults and three dollars for children. The total revenue from ticket sales on Monday was $2050. The system... more
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