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3 years ago

Thanks lovely person heres 15 points

Mathematics

2 answers:

marishachu [46]3 years ago

8 0

Answer:

8 units

Step-by-step explanation:

I can count

viktelen [127]3 years ago

7 0

Answer:

thank you

Step-by-step explanation:

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░░░░▄▄▄██▀▀▀▀░░░░░░░

░░░█▀▄▄▄█░▀▀░░

░░░▌░▄▄▄▐▌▀▀▀░░ This is Bob

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▀█▌░░░▄░▀█▀░▀ ░░ Copy And Paste Him onto all of ur brainly answers

░░░░░░░▄▄▐▌▄▄░░░ So, He Can Take

░░░░░░░▀███▀█░▄░░ Over brainly

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What is the factored form of this expression?

gayaneshka [121]

Answer:

(x + 11 ) * ( x - 11)

Step-by-step explanation:

The expression:

x² - 121

is a difference of squares

We notice that √x² = x and √121 = 11

Then

( x² - 121 ) = ( x + 11 ) * ( x - 11 )

If we multiply

( x + 11 ) * ( x - 11 ) = x*x - 11*x + 11*x - (11)*(11)

( x + 11 ) * ( x - 11 ) = x² - 121

That is what we want to probe

7 0

3 years ago

Leticia sets the thermostat in her apartment to 68 degrees. The actual temperature in her apartment can vary from this by as muc

solmaris [256]

Answer:

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Step-by-step explanation:

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3 years ago

I need to solve for p and have a rationalized denominator

Travka [436]

Answer:

$p = \pm \dfrac{\sqrt{r(st - 1)}}{st - 1}$

$p = \dfrac{\sqrt{r(st - 1)}}{st - 1}$

Step-by-step explanation:

$t = \dfrac{p^2 + r}{p^2s}$

$p^2st = p^2 + r$

$p^2st - p^2 = r$

$p^2(st - 1) = r$

$p^2 = \dfrac{r}{st - 1}$

$p = \pm \sqrt{\dfrac{r}{st - 1}}$

Your picture cuts out the assumption. If the assumption is that all variables are non-negative, then the answer is

$p = \sqrt{\dfrac{r}{st - 1}}$

$p = \dfrac{\sqrt{r}}{\sqrt{st - 1}}}$

$p = \dfrac{\sqrt{r}}{\sqrt{st - 1}}} \times \dfrac{\sqrt{st - 1}}{\sqrt{st - 1}}$

$p = \dfrac{\sqrt{r} \sqrt{st - 1}}{\sqrt{st - 1}\sqrt{st - 1}}$

$p = \dfrac{\sqrt{r(st - 1)}}{st - 1}$

7 0

3 years ago

A pencil is 23 centimeters long is a ruler is 14 cm shorter what is the length of the ruler

Mamont248 [21]

Answer:

Step-by-step explanation:

subtract 14 from 23 to get 9

3 0

3 years ago

What is the probability that a family with three children will have all girls?

labwork [276]

Answer:

B) 1/8

Step-by-step explanation:

each child born has 50/50 to be a boy or a girl, so, we determine a Bernoulli process where p=0.5, and we need 3 out of 3 successes.

the probability will then be:

(0.5)³=0.125=1/8

3 0

2 years ago

Read 2 more answers