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3 years ago

A. - (3 points) Calculate the mean, median, and mode of the college professors' ages.

Mathematics

1 answer:

Anna71 [15]3 years ago

7 0

I could better help if I knew the question.....

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Which function is equivalent to the inverse of y=sec(x)

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Sec^-1 OR arcsec .........

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2 years ago

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Please, I need help fast!

Vesna [10]

Answer:

Step-by-step explanation:

The answer to your question is -40

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3 years ago

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PLEASE HHELP!!! Bring the fraction:

Anna35 [415]

Answer:

$\frac{b}{7a^2c} = \frac{5abc^2}{35a^3c^3}$

$\frac{a}{a - 4} = \frac{-a^2 - 4a}{16 -a^2}$

Step-by-step explanation:

Given

$\frac{b}{7a^2c}$

Express the denominator as $35a^3c^3$

To do this, we divide $35a^3c^3$ by the denominator

$\frac{35a^3c^3}{7a^2c} = 5ac^2$

So, the required fraction is:

$\frac{b}{7a^2c} * \frac{5ac^2}{5ac^2}$

$\frac{5abc^2}{35a^3c^3}$

Hence:

$\frac{b}{7a^2c} = \frac{5abc^2}{35a^3c^3}$

Given

$\frac{a}{a - 4}$

Express the denominator as $16 - a^2$

Multiply the fraction a+4/a+4

So, we have:

$\frac{a}{a - 4} * \frac{(a + 4)}{(a + 4)}$

Apply difference of two squares to the denominator

$\frac{a^2 + 4a}{a^2 - 16}$

Take the additive inverse of the numerator and denominator

$\frac{-(a^2 + 4a)}{-(a^2 - 16)}$

$\frac{-a^2 - 4a}{16 -a^2}$

Hence:

$\frac{a}{a - 4} = \frac{-a^2 - 4a}{16 -a^2}$

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2 years ago

On August 1, Ira's bank balance was $300. During the month, he wrote checks for $450.00 and $115.25 and made one deposit of $225

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A<span>t the end of the month, Ira's balance would be C) -$40.25.</span>

His starting balance is $300. But since he withdraw $565.25 ($450.00 + $115.25) and made a $225.00 deposit, 300 - 565.25 + 225 = -40.25.

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2 years ago

A multiplication expression without exponents that is equivalent to (3ª)(3)

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(3)3 is 9 and (3)4 is 12

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