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3 years ago

8

Jan's scores on five quizzes were 2, 8, 8, 9, and 10. Is the mean or median the best measure of center to summarize Jan's scores

? A. median B. mean C. Both mean and median summarize the data equally well.

1 answer:

Rashid [163]3 years ago

7 0

The mean is the best measure to summarise the scores.

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6. The distance from Tory's home to the mall is 14 km. The distance from her home

Minchanka [31]

Answer: 6 km to 22 km !

Step-by-step explanation:

the distances from the school mall to bus station could be, in the worst case, 14+8=22 km apart, and in the best case 14-8=6 km apart

so the range is 6 km to 22 km !

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2 years ago

Need help combining like terms

yaroslaw [1]

Answer:

-10x+7.5

Step-by-step explanation:

-2.5(4x-3)

Multiply each term by -2.5

-2.5 * 4x = -10x

-2.5 * 3 = 7.5

-10x + 7.5

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3 years ago

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JulsSmile [24]

If i’m not wrong, I tink the probability is 8%, 3/36.

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3 years ago

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goblinko [34]

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3 years ago

(y^-5)^-10y^10<br><br>the answers are in the image

fredd [130]

Answer:

$\large\boxed{y^{60}}$

Step-by-step explanation:

$(y^{-5})^{-10}y^{10}\qquad\text{use}\ (a^n)^m=a^{nm}\\\\=y^{(-5)(-10)}y^{10}=y^{50}y^{10}\qquad\text{use}\ a^n\cdot a^m=a^{n+m}\\\\=y^{50+10}=y^{60}$

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3 years ago