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3 years ago

Point Q’ is the image of Q (3,-4) under a reflection across the x-axis

Mathematics

2 answers:

Allisa [31]3 years ago

7 0

Answer:

(-3,-4)

Step-by-step explanation:

The rule of reflection of the X-axis is to change the sign of x and keep y the same

7nadin3 [17]3 years ago

5 0

Answer:

Q' (-3,4)

Step-by-step explanation:

A reflection across the x-axis would mean that only the x value of the point would change. This means that the y value would still be 4. To find the x value, just flip it to a negative. The negative of 3 is -3

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3 years ago

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What is 2/10 divided by 2/4

shtirl [24]

Given:

$\dfrac{2}{10}$ divded by $\dfrac{2}{4}$ .

To find:

The solution for the given division problem.

Solution:

We have, $\dfrac{2}{10}$ divded by $\dfrac{2}{4}$ . It can be written as

$\dfrac{2}{10}\div \dfrac{2}{4}=\dfrac{2}{10}\times \dfrac{4}{2}$

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3 years ago

A die is rolled one thousand times. The percentage of aces should be around ____ or so. the first step iin computing this proble

Katyanochek1 [597]

Answer:

Following are the solution to the given question:

Step-by-step explanation:

Please find the complete question in the attached file.

$Box \ average =\frac{1}{6} \\\\SD = \frac{1}{6} \times \frac{5}{6} = \frac{5}{36} \approx 0.373\\\\Expected \ value= 1000 \times \frac{1}{6} \approx 166.7\\\\SE = 1000 \times 0.373 \approx 11.8\\\\$