3 years ago

PLEASE HELP!!

Mathematics

1 answer:

notsponge [240]3 years ago

3 0

The answer would be A. Hope this helped! :)

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-11=-7/y<br><br> PLSSSS HELPPP

Liono4ka [1.6K]

Answer:

7/11

Step-by-step explanation:

$- 11 = \frac{ - 7}{y}$

$= > - 11y = - 7$

$= > y = \frac{ - 7}{ - 11}$

$= > y = \frac{7}{11} (ans)$

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3 years ago

Using the foil method, multiply the terms of the binomials below. Show your work in the blanks provided. Then, add any like term

aalyn [17]

Answer:

5x^4+7x^3-6x^2

Step-by-step explanation:

$(x^{2} +2x)(5x^{2} -3x)\\\= 5x^{4}-3x^{3} +10x^{3} -6x^{2}\\= 5x^{4}+7x^{3} -6x^{2}$

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3 years ago

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andreyandreev [35.5K]

Answer:

Step-by-step explanation:

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3 years ago

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Find the distance between the points (10,10) and (–5,–5).

Eddi Din [679]

Answer:

Distance= 21.21

Step-by-step explanation:

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3 years ago

www.g The physical plant at the main campus of a large state university recieves daily requests to replace fluorescent lightbulb

damaskus [11]

Answer:

$z=\frac{24-40}{8}=-2$

$z=\frac{40-40}{8}=0$

And then the percentage between 24 and 40 would be $\frac{95}{2}= 47.5 \%$

Step-by-step explanation:

For this problem we have the following parameters given:

$\mu = 40, \sigma =8$

And for this case we want to find the percentage of lightbulb replacement requests numbering between 24 and 40.

From the empirical rule we know that we have 68% of the values within one deviation from the mean, 95% of the values within 2 deviations and 99.7% within 3 deviations.

We can find the number of deviations from themean for the limits with the z score formula we got:

$z=\frac{X-\mu}{\sigma}$

And replacing we got:

$z=\frac{24-40}{8}=-2$

$z=\frac{40-40}{8}=0$

And then the percentage between 24 and 40 would be $\frac{95}{2}= 47.5 \%$

5 0

3 years ago