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3 years ago

5

Several students in ashton's class were randomly selected and asked how many text messages they sent yesterday their answers wer

e 1,0,10,7,13,2,9,15,0,3 how many students were asked? how do you know?

1 answer:

Flura [38]3 years ago

8 0

Just count each response
they were 10 response therefore 10 students were asked

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Why does -2^6 equal -64 but -2 x -2 x -2 x -2 x -2 x -2 equal 64?<br> (The x's are multiplication)

NikAS [45]

Answer:

when there are no parentheses around the base, this being -2 we put parentheses around the the 2 and the exponent so it will look like -(2^6) making whatever answer you get negative.

when you put parentheses around the base (-2)^6 you will get 64

Step-by-step explanation:

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2 years ago

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WARRIOR [948]

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Step-by-step explanation:

Hope this helps

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2 years ago

Two angles are supplementary. If the m∠A is five times the sum of the m∠B plus 7.2°, what is m∠B?

user100 [1]

Answer:

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Step-by-step explanation:

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3 years ago

In a recent awards ceremony, the age of the winner for best actor was 35 and the age of the winner for best actress was 54. For

Arada [10]

Answer:

The actress has the more extreme age because

Step-by-step explanation:

Given

Male Athletes:

$x = 35$

$\=x = 42.1$

$SD = 6.6$

Female Athletes

$x = 54$

$\=x = 34.3$

$SD = 10.1$

Required

Determine which athlete had more extreme age

To do this, we simply calculate the standard z score using

$z = \frac{x - \=x}{SD}$

For the actor:

$z = \frac{35 - 42.1}{6.6}$

$z = \frac{-7.1}{6.6}$

$z = 1.0758$

For the actress:

$z = \frac{54 - 34.3}{10.1}$

$z = \frac{19.7}{10.1}$

$z = 1.950$

Comparing both z values;

The actress has the more extreme age because

<em>It has a positive z value</em>
<em>Its z value is greater than that of the actor</em>

<em></em>

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2 years ago

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Triss [41]

<span>cotx = (cosx)/(sinx)
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Because at this point, cotx will be undefined because you cannot divide by zero. So find all points from 0 to 2 pi where sinx is 0.</span>

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3 years ago