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lara31 [8.8K]
3 years ago
15

Triangle ABC was transformed using the rule (x, y) → (–y, x). The vertices of the triangles are shown. A (–1, 1) B (1, 1) C (1,

4) A' (–1, –1) B' (–1, 1) C' (–4, 1) Which best describes the transformation? The transformation was a 90° rotation about the origin. The transformation was a 180° rotation about the origin. The transformation was a 270° rotation about the origin. The transformation was a 360° rotation about the origin.

Mathematics
2 answers:
yaroslaw [1]3 years ago
5 0

Answer:

the transformation was 90° at the origin

Step-by-step explanation:

the transformation was 90° at the origin

Vladimir [108]3 years ago
3 0

Answer:

A

Step-by-step explanation:

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About 73.93 books. Round that to 73 books, because you can't place 93% of a book.

Step-by-step explanation:

You first calculate to dimensions of the bookcase, then you calculate the dimensions of the books. As a result, divide the calculation of the bookshelf by the calculation of the books, and you should have your answer.

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Answer:

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Step-by-step explanation:

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2 years ago
The curve the order pairs (0,10) and (1,5) and (2,2.5) can be represented by the function f(x)=10(0.5)x What is the multiplicati
max2010maxim [7]

Answer:

The multiplicative rate of change is 0.5.

Step-by-step explanation:

The given function is

f(x)=10(0.5)^x               .... (1)

It is given that the curve is passing through (0,10), (1,5) and (2,2.5).

The exponential function is defined as

f(x)=ab^x                .... (2)

Where, a is initial value and b is growth factor of multiplicative rate of change.

On comparing (1) and (2), we get

a=10

b=0.5

Therefore the multiplicative rate of change is 0.5.

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What is the perimeter, in feet, a rectangle whose length is twice its width and whose width is 8 feet?
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2 years ago
H function is even, odd, or neither.<br> b. g(x) = x² - 2<br> Is it odd or even
o-na [289]

g(x) = x^2 - 2 \text{ is even function }

<em><u>Solution:</u></em>

Given that,

g(x) = x^2 - 2

We have to find whether the above function is odd or even

If a function is: y = f(x)

If f(-x) = f(x), the function is even

If f(-x) = - f(x), the function is odd

Which is,

\mathrm{Even\:Function:\:\:A\:function\:is\:even\:if\:}f\left(-x\right)=f\left(x\right)\mathrm{\:for\:all\:}x\in \mathbb{R}\\\\\mathrm{Odd\:Function:\:\:A\:function\:is\:odd\:if\:}f\left(-x\right)=-f\left(x\right)\mathrm{\:for\:all\:}x\in \mathbb{R}

From given,

g(x) = x^2 - 2

Replace x with -x

g(-x) = (-x)^2 - 2\\\\g(-x) = x^2 - 2

Therefore,

g(x) = g(-x)

Thus the function g(x) is even

4 0
2 years ago
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