100 Answered Questions for the topic linear systems

Linear Systems

04/10/15

you have $375 in five and ten dollar bills. altogether there are 45 bills. how many of each type of bill do you have?
Let F represent the number of $5 bills and let T represent the number of $10 bills
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Linear Systems

03/27/15

determine whether the ordered pair (2,-1) is a solution of the linear system
5x-2y=12 
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Linear Systems Geometry Linear Equations

03/03/15

which of the linear systems has infinitely many solutions?
A.  y=3x+4  y=3x+7   B.  y=3x-5  y=3x+5   C. y=3x+4  y=3x-7    D. y=3x-1  y=-3x+1   Please show steps
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Linear Systems Geometry Linear Equations

03/03/15

which of the linear systems has no solution?
A. -x+y=1/2     y=x+3/4   B.  y=1/4x+2    -x+4y=8   C.  2x+3y=18   y=-3/2x+6   D.  y=-2/3x+1/3   4x+6y=2   Please show how you get it. 
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Linear Systems

02/25/15

The sum of the digits of a two digit number is 11. The ones digits is 5 more than twice the tens digit. What is the number?
 Please help me by showing your work as well. Thanks  
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02/24/15

The value of your EFG stock is three times the value of your PQR stock. If the total value of the stocks is $4500, how much is invested in each company?
The equations that are first gotten should be a linear system. If it could be solved using the substitution method, that's be great! Thanks.
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Linear Systems Word Problems

02/22/15

1 lbs of candy 1: $1.05 | 1lbs of candy 2: $1.35 | candy 1 + candy 2 create worth $1.17 a lbs. | how many lbs of each candy were used to make 30 lbs
Please include all steps. I am very confused. Thank you for your time
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Linear Systems Word Problem

02/22/15

Fran and Winston have a combined income of $80,000.
One quarter of Winston's income is the same as one-sixth of Fran's income. How much does each person earn? 
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Linear Systems

01/22/15

on a special day, tickets for a minor league baseball game cost $5 for adults and $1 for students. The attendence that day was 1281 and $3425 was collected.
on a special day, tickets for a minor league baseball game cost $5 for adults and $1 for students. The attendence that day was 1281 and $3425 was collected. Write a system of equations to model... more
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01/22/15

What is the mass for each type?
One type of granola is 30% fruit and another type is 15% fruit. What mass of each type of granola should be mixed to make 600g of granola that is 21% fruit?
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Linear Systems Linear Equations

01/22/15

Does (5,-6) satisfy the equation 3x-2y-26=0 ?
Does (5,-6) satisfy the equation 3x-2y-26=0 ?
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Linear Systems

01/20/15

What is the basic plan charge they both pay?
You have a cable plan that costs $39 a month for a basic plan plus one movie channel. Your friend has the same basic plan plan plus two movie channels for $45.50 . What is the basic plan charge... more
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Linear Systems

12/17/14

u buy 6 potted Plants contained in 8-inch pots sell $5 and the plants contained in 10in pots sell for $8. If you spend $36, how many each size are you buying
Sorry had to cut some Words out, so it would fit in the question box.
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Linear Systems

12/14/14

A plane can fly 3000 miles from LA to New York in 5 hours with a tailwind. The return trip into the headwind takes 8 hours. Find the airspeed and windspeed.
This is an Algebra 1 question from my review guide.
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Linear Systems

11/13/14

{y=3x-8 {4x-y=2
Linear systems by elimination I need help solving this equation for the problem above
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Linear Systems

11/08/14

After how many years will half of the original amount of the radioactive element be present?
The amount of radioactive element (in grams) that remains after t years is given by the equation: A(t)= 12e^-0.0231t (a) How many grams of the radioactive element were originally present at time... more
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Linear Systems

08/01/14

Find the solution to the system of linear equations using substitution
y=3x-5 y=-6x+4   Enter the system's solution as an ordered pair including the comma. if the solution is none or it has infinitely many solutions please say so
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Linear Systems

05/09/14

hi another question
hi, thank you for the help on the other one..i understand now...  so i now have : 2y+3z=18 6y+4z=44   thank you!
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Linear Systems

05/09/14

hi i have a problem
i have:  2c+6u=24 4c+6u=36  can you tell me step by step how to solve this? i have tried and i can not get any whole numbers. i have no idea what i'm doing. thank you. 
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Linear Systems

02/10/14

use all three methods graphing,substitution,linear combination to solve 3x+4y=5 and -2x+y=4
after state how many solutions there are and give a reason  please explain  thanks
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Linear Systems Algebra 1

01/09/14

How do I solve a linear system
In Algebra 1 we're working on solving linear systems, to problems like "x=y+3 2x-y+5" And I don't even know where to start.
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Linear Systems

12/28/13

graph linear system
how do I graph the linear system us  4x - y = 5 and 4x + 4y = -4?   will it show a reasonableness solution?     I will be using this table as well to help solve.     4x - y =... more
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Linear Systems

12/16/13

What is the value of x in 4x + 3y +15 2X - 5y+1
Using elimination, what is the value of x and y in the following:  4x + 3y = 15                                                                                             2X - 5y = 1
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Linear Systems Algebra

10/03/13

Solve the given linear system.
Solve the given linear system.   a. y = 5x - 3    y = 3x - 1     b. -2x + 3y = 8     3x + 5y = -12   c. 2x - 4y = -6   -x + 2y = 3   d. 5x + 10y = 70    5x + 25z = 270    10y + 25z =... more
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Linear Systems Word Problem

12/05/12

linear systems and problem solving
you designed one row in your garden to broccoli and pea plants. Each broccoli plant needs 12 inches of space and each pea plant needs 6 inches of space. The row is 10 feet (120 inches) long. If you... more
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