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Natasha_Volkova [10]
3 years ago
11

What is the image of ( 2 , 8 ) after a reflection over the x-axis?

Mathematics
1 answer:
romanna [79]3 years ago
8 0

Answer:

(2,-8)

Step-by-step explanation:

To reflect across the x axis make the y negative

8 is negative here

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Step-by-step explanation:

stating the ratios as fractions, setting the two fractions equal to each other, cross-multiplying, and solving the resulting equation

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EVALUATE: 10x – 2y3 (if x = 5 and y = 2)​
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Answer:

10*(5) - 2*(2)^3

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In a certain Algebra 2 class of 25 students, 13 of them play basketball and 11 of them play baseball. There are 4 students who p
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Answer:

\frac{4}{5}

Step-by-step explanation:

Given: There are 2 classes of 25 students.

            13 play basketball

            11 play baseball.

            4 play neither of sports.

Lets assume basketball as "a" and baseball as "b".

We know, probablity dependent formula; P(a∪b)= P(a)+P(b)-p(a∩b)

As given total number of student is 25

Now, subtituting the values in the formula.

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taking LCD as 25 to solve.

⇒P(a∪b)= \frac{13\times 1+11\times 1-4\times 1}{25} = \frac{20}{25}

∴ P(a∪b)= \frac{4}{5}

Hence, the probability that a student chosen randomly from the class plays both basketball and baseball is \frac{4}{5}.

6 0
3 years ago
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