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zlopas [31]
4 years ago
13

The table below shows the coordinates of a figure that was transformed. Which is a correct description of the transformation?

Mathematics
1 answer:
Hitman42 [59]4 years ago
3 0

Answer:

B

Step-by-step explanation:

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Vector u has its initial point at (14, -6) and its terminal point at (-4, 7). Write the component form of u and find its magnitu
Thepotemich [5.8K]

\bf u\implies \begin{cases} (14,-6)\\ (-4,7) \end{cases}\implies (-4-14)~,~(7-(-6)) \\\\\\ (-18) ~,~(7+6)\implies \stackrel{\textit{component form}}{\ \textless \ -18~,~13\ \textgreater \ } \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ||u||=\sqrt{a^2+b^2}\implies ||u||=\sqrt{(-18)^2+13^2}\implies ||u||=\sqrt{493}

3 0
3 years ago
Which operation should you do first when<br> you simplify the expression below?<br> (15 + 4) 3
Zolol [24]

Answer:

First 15+4 which equal 19 and then multiply by 3 which equal 57

Step-by-step explanation:

6 0
2 years ago
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In your class seven students do not receive a weekly allowance, Five students receive three dollars, Seven students receive five
olya-2409 [2.1K]

Answer:

\large \boxed{\text{\$3.50}}

Step-by-step explanation:

The mean is the sum of the allowances divided by the number of students.

\text{Mean}= \dfrac{7(0) + 5(3) + 7(5) + 3(6) + 2(8)}{24}= \dfrac{0 + 15 + 35 + 18 + 16}{24} = \mathbf{3.50}\\\text{The mean weekly allowance is $\large \boxed{\textbf{\$3.50}}$}

4 0
3 years ago
What does the transformation f(x) --&gt; -f(x) do to the graph of f(x)
mixer [17]

Answer: D) Reflect over x-axis

=======================================================

Explanation:

When we do this type of reflection, a point like (1,2) moves to (1,-2).

As another example, something like (5,-7) moves to (5,7)

The x coordinate stays the same but the y coordinate flips in sign from positive to negative, or vice versa.

We can say that (x,y) \to (x,-y) as a general way to represent the transformation. Note how y = f(x), so when we make f(x) negative, then we're really making y negative.

If we apply this transformation to every point on f(x), then it will flip the f(x) curve over the horizontal x axis.

There's an example below in the graph. The point A(2,8) moves to B(2,-8) after applying that reflection rule.

8 0
3 years ago
If a width of a rectangle is 5 1/6 cm and its length is 2 2/7 cm what is its area?
azamat

Answer:

11.8095238095 or 11.81

Step-by-step explanation:

The way to figure out the area of a rectangle is by multiplying the width by the length. In your case, you would multiply 5 1/6 by 2 2/7 to get 11.8095238095 but we can always round it to 11.81. I hope this helps...

5 0
4 years ago
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