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sergiy2304 [10]

3 years ago

15

a used car lots runs sales at the end of the year to reduce inventory this year the sale price is 15% less than the regular pric

e if the regular price of a car 12,000, what is the sale price of the car

1 answer:

tekilochka [14]3 years ago

3 0

Answer:

$10,200

Step-by-step explanation:

12,000x 0.85 = $10,200

or 12,000 x 0.15 = 1,800

$12,000 - $1,800 - $10,200

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PLEASE HELP!!!!! What is the value of x in the matrix equation below?

Brums [2.3K]

The given matrix equation is,

$1.5\left[\begin{array}{cc}x&6\\8&4\end{array}\right] +y\left[\begin{array}{cc}1&4\\3&2\end{array}\right] =\left[\begin{array}{cc}z&z\\6z&2\end{array}\right]$ .

Multiplying the matrices with the scalars, the given equation becomes,

$\left[\begin{array}{cc}1.5x&9\\12&6\end{array}\right] +\left[\begin{array}{cc}y&4y\\3y&2y\end{array}\right] =\left[\begin{array}{cc}z&z\\6z&2\end{array}\right] \\$

Adding the matrices,

$\left[\begin{array}{cc}1.5x+y&9+4y\\12+3y&6+2y\end{array}\right] =\left[\begin{array}{cc}z&z\\6z&2\end{array}\right] \\$

Matrix equality gives,

$1.5x+y=z\\ 9+4y=z\\ 12+3y=6z\\ 6+2y=2$

Solving the equations together,

$y=-2\\ 3y-1.5x=9\\ -1.5x=9+6\\ x=-10$

We can see that the equations are not consistent.

There is no solution.

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What is the whole nunnery 13,260,000in expanded form?

Katyanochek1 [597]

Answer:

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Step-by-step explanation:

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It costs $50 to join a gym plus $28 per month define the variable

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Step-by-step explanation:

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On a science exam, Jackson scored 85 out of 100 possible points. There were 20 questions on the exam. Each question was worth th

d1i1m1o1n [39]

Do 85÷20 and then add it to 100

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3 years ago