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...
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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...
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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...
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05/15/16

#### Marcy can do a job alone in 5 hrs. If Mark helps her, they can do the job together in 3 hours. How long would Mark take working alone?

Solve this assuming no denominator is zero

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...
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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...
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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=?

09/14/14

#### 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=?

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