16 Answered Questions for the topic System

03/19/19

Solve each system of inequalities by graphing.

1) 2x + 3y < (or equal to) 6 3x + 2y < (or equal to) 62) x + y > (or equal to) 9 3x + y > (or equal to) 123) 5x + y > 10 2x + y < 15I don't understand what it... more

01/02/19

Algebra and Trigonometry

a ceramic tile designer has some odd lots of tiles in boxes. a particular box contains square, pentagon and hexagonal tiles. altogether there are 100 tiles. there are 20 more pentagonal tiles than... more

09/12/18

carlos has 32 Buffalo nickels,some with dates and some without dates,Buffalo nickels without dates are worth $0.15 and dated Buffalo nickels are worth $0.75

if Carlo’s collection of Buffalo nickels is worth $10.80 How many of the coins have dates on them

09/12/18

a school play charged adults 8$ and students 5$ for tickets.there were 75people who attended the play. the box office collected 444$

how many adults and how many stud attend the play¿

01/25/17

(WORD PROBLEM) Solving Systems

A bicyclist heads east at 19 km/h. After she has traveled 22.5 kilometers, another cyclist sets out in the same direction going 28 km/h. About how long will it take the second cyclist to catch up... more

09/10/15

Profit function, Objective Function, Constraints?

A store owner stocks two types of dishwashers and has warehouse space for at most 36 units. The owner keeps at least twice as many of model A as model B. If the profit on model A is $24 and the... more

05/24/15

Write an augmented matrix for the system. Use row operations to put it in row ecjelon form. Find y then back substitute to find x.

2x+10y=-12 -3x+y=34I have the matrix and what to multiply it by except the last one. I'm really lost. Please help and show work.  2   10     -12     *1/2-3   1      34   1    5     -6    *3 -3... more

05/24/15

Write an augmented matrix for the system. Use row operations to put it in row ecjelon form. Find y then back substitute to find x.

x+3y=-18 3x-y=16 I have the matrix but i'm lost on the rest of it. Please show work.   1  3  -18 3 -1   16

03/25/15

Solve the system

y=3x+1 y=x^2+1 Type your answer as ordered pairs (x,y) with the order: from the smallest value of x to the largest

09/18/14

Solve the system using a matrix

Solve the system  x1+2x2-2x3-2x5+4x6=-4 -x4-3x5+2x6=9 x1+2x2+6x5+6x6=0   x1=? x2=? x3=? x4=? x5=? x6=?

09/18/14

Solve the system using a matrix 1

Solve the system x1+x2-4x3=3 3x1+4x2+3x3=-8   x1= x2= x3=

09/16/14

Solve the system

Solve the system  x1+x2-4x3=3  3x1+4x2+3x3=-8   x1=? x2=? x3=?

09/14/14

determine the value of k for which the system has no solutions

determine the value of k for which the system  x+y+5z=-3 x+2y-2z=3 4x+11y+kz=31 has no solutions.    k=?

09/11/14

Solve the system

Solve the system  4x1+x2=-3 8x1+2x2=-6 x1= x2=

09/10/14

Solve the system using matrices (row operations)

{ 6x+5y=62    5x-6y=-50   x=? y=?

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