3 years ago

What is the image point (0,2) after a rotation of 90 degree counterclockwise about the origin

2 answers:

6 0

The answer is (-2,0)
When you rotate 90 degrees counterclockwise you have to switch the x and the y then change the sign to the original y which in this case will be 2.

Sidana [21]3 years ago

5 0

Answer:

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Suppose Ken has 25 coins and nickels and dimes only and has a total of a $1.65 how many of each coin does he have?

nikklg [1K]

$x-\ number\ of\ nickels\\
y-\ number\ of\ dimes\\\\
x+y=25 \ \ \ | x=25-y\\
0.05x+0.1y=1.65\\\\
0.05(25-y)+0.1y=1.65\\\\
1.25-0.05y+0.1y=1.65\\\\
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kozerog [31]

The answer should be 6! all you have to do is plug the numbers into the equation!
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7. Solve the proportion

RideAnS [48]

Answer:

Step-by-step explanation:

56 divided by 7 = 8

14 divided by 7 = 2

hinting at 8/2

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4 years ago

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