Im broke i just gave away 100,000 brainly points so have funnnnnn

Mathematics

2 answers:

tester [92]2 years ago

6 0

Answer:

Thanks very much ^^

Step-by-step explanation:

Mademuasel [1]2 years ago

3 0

Answer:

100,000 why

Step-by-step explanation:

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What are the coordinates of the image of vertex R after a reflection across the y-axis?

vfiekz [6]

Consider any point P(x, y) in the coordinate axis.

The reflection of this point across the y-axis is the point P'(-x, y).

(x, y) and (-x, y) are the 'mirror' images of each other, with the y'axis as the 'mirror'.

For example the coordinates of the image of P(4, 13) after the reflection across the y-axis is P'(-4, 13)

or, if P(-5, -9), then P'(5, -9)

Answer: if coordinates of V are (h, k), coordinates of V' are (-h, k)

3 0

3 years ago

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For an independent-measures research study (i.e., independent measures t Test), the data show an 8-point difference between the

zloy xaker [14]

Answer:

C. 2

Step-by-step explanation:

Cohen's d is a parameter used to express the standardised difference between two means. It is defined as the difference between the means divided by the pooled standard deviation.

In this case, the difference between both means (M2-M1) is 8. As for the pooled standard deviation, simply take the square root of the given pooled variance:

$S=\sqrt{S^2}\\S=\sqrt{16} \\S= 4$