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adell [148]
3 years ago
12

I need help to do this task I do not understand!☹️

Mathematics
1 answer:
Misha Larkins [42]3 years ago
4 0
To rotate a point 180 degrees, you simply multiply both the x and y value by -1. For example, for A (-7, 1) we can rotate it 180 degrees to get (-7*-1, 1*-1)=(7, -1)
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4a/3bc - 15/5ac. what's the answer with the steps?
Dmitrij [34]

Answer:

-5/3

Step-by-step explanation:

In order to add or subtract fractions, the denominators need to be the same. In this case, the lowest common denominator would be 15abc.

So to get to that, you'll end up with 20abc/15abc - 45abc/15abc. Now you can subtract the numerators, which will give you -25abc/15abc. Once divided and simplified, your answer will be -5/3.

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What is the percentage of students with a score between 18 and 24
ivann1987 [24]
The answer to this question would be 3%
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valina [46]

y = a + bx

Hope this helps!

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Please help me with this
kupik [55]

Answer:

–x² + 12x + 5

Step-by-step explanation:

x² + 3x

–2x² + 9x + 5

The sum of the above expression can be obtained as follow:

.... x² + 3x

+ –2x² + 9x + 5

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

–x² + 12x + 5

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Thus, the sum of x² + 3x and –2x² + 9x + 5 is –x² + 12x + 5

3 0
3 years ago
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