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3 years ago

I need help on this question plz

Mathematics

1 answer:

kramer3 years ago

6 0

90° clockwise will go from (x, y) to (y, -x)

180° counterclockwise and clockwise will go from (x, y) to (-x,-y)

270° clockwise will go from (x, y) to (-y, x)

1. (5 ,2) 90° will become (2, -5)

2. (5, 2) 180° will become (-5, -2)

3. (5, 2) 270° will become (-2, 5)

4. (-5, 2) 90° will become (2, 5)

5. (-5, 2) 180° will be come (5, -2)

6. (-5, 2) 270° will be come (-2, -5)

7. (-2, 5) 90° will become (-5, -2)

8. (5, -2) 180° will become (-5, 2)

Hope this helps! Mark as brainliest please! :)))

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3 years ago

Alyssa has fifty-quarters and dimes

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2 years ago

Review the bar graph below:

Scrat [10]

Answer:

B. 12.5%

Step-by-step explanation:

Add all the hours together to get 20. We make the assumption that 20 is 100% since it is our output value. We next represent the value we seek with x. From step 1, it follows that 100%=20. In the same vein, x%=2.5.This gives us a pair of simple equations:

100%=20(1)

x%=2.5(2)

By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS (left hand side) of both equations have the same unit (%); we have

$\frac{100}{x}$ = $\frac{20}{2.5}$

Taking the inverse (or reciprocal) of both sides gives us this:

$\frac{x}{100} =\frac{2.5}{20}$

>> x=12.5\%

Therefore, 2.5 is 12.5% of 20.

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3 years ago