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3 years ago

Pizza Palace is offering a sale price of $9.99 for ONE large 1-topping pizza which is normally $10.99.

Mathematics

2 answers:

IRINA_888 [86]3 years ago

8 0

Answer:

Pizza Palace is offering a sale price of $9.99 for a large 1-topping pizza which is normally $10.99.

Pizza Party is offering a coupon of Buy one, get one free on their large 1-topping pizzas which normally cost $17.99.

If Carl is buying 2 pizzas, which place is a better deal?

Question 2 options:

Pizza Palace

Same price

Pizza Party

Step-by-step explanation:

pizza party

kicyunya [14]3 years ago

5 0

Answer:

pizza party

Step-by-step explanation:

At Pizza Palace you get 2 pizzas for $19.98 but at Pizza Party he gets two for $17.99

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Use matrix inversion to solve the collection of systems of linear equations. HINT [See Example 4.] (a) −x − 4y + 2z = −10 x + 2y

omeli [17]

Answer:

Step-by-step explanation:

given is a system of linear equations in 3 variables as

$-x - 4y + 2z = −10\\ x + 2y - z = 11 \\x + y - z = 14$

This can be represented in matrix form as

AX=B Or

$\left[\begin{array}{ccc}-1&-4&2\\1&2&-1\\1&1&-1\end{array}\right] *\left[\begin{array}{ccc}x\\y\\z\end{array}\right] =\left[\begin{array}{ccc}-10\\11\\14\end{array}\right]$

So solution set

X would be $A^{-1} B$

|A|=-1(-1)+4(0)+2(-1)=--1

Cofactors of A are

-1 0 -1

-2 -1 -3

0 1 2

So inverse of A is

1 2 0

0 1 -1

1 3 -2

Solution set would be

x=12

y=-3

z=-5

8 0

3 years ago

3x-4y=11 3x+2y=2 please help, I need to find what the answer is for x and y

Zielflug [23.3K]

Answer:

I have attached a picture of me solving the equation.

Now you must be wondering how I got the answer, well first simplify the expression in y = mx + b. Then graph it on demos. Do the same thing for the other expression. Pick any point that lies on the line. That is your solution to the equation.

The green line is the expression of 3x - 4y = 11. I simplify the equation in y = mx + b giving me y = 3/4x - 11/4.

The orange line is the expression of 3x + 2y = 2. I simplify the equation in y = mx + b giving me y = -3/2x + 1.

Hope this helps, thank you !!