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VashaNatasha [74]
2 years ago
15

PLS I NEED HELP TY SFM

Mathematics
1 answer:
yan [13]2 years ago
5 0

Answer:

32

Step-by-step explanation:

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Mr. Allen spent​ $40 for 6 movies. If each movie is the same​ price, how much would he have to spend for 24​ movies?
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about $160

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$ 40/ for 6 movies = $6.66/movie

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Which vector matrix represents the reflection of the vector <-1,5> across the line x = y
Arturiano [62]

Answer:

V = \left[\begin{array}{ccc}5&-1\end{array}\right]

Step-by-step explanation:

We want to reflect this 2x1 vector on the line y = x.

To make this reflection we must use the following matrix:

R=\left[\begin{array}{cc}0&1\\1&0\\\end{array}\right]

Where R is known as the reflection matrix on the line x = y

Now perform the product of the vector <-1,5> x R.

\left[\begin{array}{ccc}-1\\5\end{array}\right]x\left[\begin{array}{ccc}0&1\\1&0\end{array}\right]\\\\\\\left[\begin{array}{ccc}-1(0) +5(1)&-1(1)+5(0)\end{array}\right]\\\\\\\left[\begin{array}{ccc}5&-1\end{array}\right]

The vector matrix that represents the reflection of the vector <-1,5> across the line x = y is:

V = \left[\begin{array}{ccc}5&-1\end{array}\right]

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3 years ago
How do you find X and Y?<br> 4y + 5z = 60<br> 5x + 3y = 60<br> 4x + 3z = 60
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Answer:

1. y=5    x=8

2. x=9     y=5

3. x=12    z=4

Step-by-step explanation:

1.    4(5)+5(8)=60

2.   5(9)+3(5)=60

3.   4(12)+3(4)=60

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Step-by-step explanation:

200 - 6 \times 19.98

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