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4 years ago

3. Identify the function rule from the values in the table

Mathematics

1 answer:

blondinia [14]4 years ago

5 0

Answer:

Output equals imput minus 6

Step-by-step explanation:

First, we know that -2 is 1 of the Imputs.

Then we know 8 is the second Output

8 - (-2) so that means it would be minus 6 Imput.

Hope this helps! Mark as Brainllest if this has helped you!

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A researcher believes that female stray cats are more cautious when approaching people than male cats. He knows that the stray c

Ierofanga [76]

Answer:

Step-by-step explanation:

Researcher observes that 12 out 15 cats that approached him are males.

Therefore, number of Female Cats that approached him = 15 – 12 = 3

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3 years ago

Which representation models a proportional relationship between x and y? (Look at picture)

FromTheMoon [43]

Answer:

Step-by-step explanation:

In every single other option, the y is not corresponding in amount to x. However in b), y is 6 times x, making b the correct answer as it is the only solution where y is directly corresponding to x

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3 years ago

Find a matrix representation of the transformation L(x, y) = (3x + 4y, x − 2y).

mario62 [17]

Answer:

$\left[\begin{array}{cc}x&y\end{array}\right] * \left[\begin{array}{cc}3&1\\4&-2\end{array}\right] = \left[\begin{array}{cc}3x+4y&x-2y\end{array}\right]$

Step-by-step explanation:

The general matrix representation for this transformation would be:

$\left[\begin{array}{cc}x&y\end{array}\right] * A = \left[\begin{array}{cc}3x+4y&x-2y\end{array}\right]$

As the matrix A should have the same amount of rows as columns in the firs matrix and the same amount of columns as the result matrix it should be a 2x2 matrix.

$\left[\begin{array}{cc}x&y\end{array}\right] * \left[\begin{array}{cc}a&b\\c&d\end{array}\right] = \left[\begin{array}{cc}3x+4y&x-2y\end{array}\right]$

Solving the matrix product you have that the members of the result matrix are:

3x+4y = a*x + c*y

x - 2y = b*x + d*y

So the matrix A should be:

$\left[\begin{array}{cc}3&1\\4&-2\end{array}\right]$

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3 years ago

Write the equation of a line that is perpendicular to y=-0.3x. +6 and that passes through the point (3,-8)

nataly862011 [7]

Answer:

$y=\frac{x}{0.3}-18 \ or \ 3y=10x-54$

is the equation of perpendicular line.

Step-by-step explanation:

We are given , the equation of a line is $y=-0.3x. +6$

We can deduce that the slope of the given line is $m=-0.3$

The slope of its perpendicular line would be , $m_p= \frac{-1}{m} =\frac{1}{0.3}$

Now using the point slope form, $y-y1= m_p(x-x1)$

Use the given point $(3,-8) \ as\ (x1,y1)$ substituing these.

$y-(-8)= \frac{1}{0.3} (x-3)\\y+8=\frac{x}{0.3} -10\\y=\frac{x}{0.3} -18$

Therefore the required equation of a line that is perpendicular to y=-0.3x. +6 and that passes through the point (3,-8) is y=\frac{x}{0.3} -18[/tex]

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4 years ago

The owner of an office building is expanding the length and width of a parking lot by the same amount. The lot currently measure

Hatshy [7]

Answer: The length of the parking lot should be increased 20 ft.

Please, see the attached files.

Thanks.

6 0

3 years ago

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