1 year ago

Whats the Prime Factorization of 28?

Mathematics

1 answer:

andrew-mc [135]1 year ago

8 0

We have that the prime factorization is 28 = 2x2x7.

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Dimas [21]

Step-by-step explanation:

by deleting

9y = -9

y = -1

6x - 4 = -10

6x = -6 then x = -1

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Find the magnitude of the vector from the origin to (-7, -5) and write the vector as the sum of unit vectors.

Agata [3.3K]

The answer is b okkkkkk

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3 years ago

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

Kyle's phone bill is $40 per month. How much does he have to pay for half a year of phone service? *

Diano4ka-milaya [45]

Answer:

$240

Step-by-step explanation:

40*6=240

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Read 2 more answers

In order to solve for the variable in the equation 1-(x+2)+ 2X= 5(2x-5)- Mikel first applies the distributive property.

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The anwser to this is number 4

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3 years ago