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3 years ago

13

5m – 8 = 3m + 8 for m

1 answer:

statuscvo [17]3 years ago

6 0

Answer:

m=8

Step-by-step explanation:

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Rationalize the denominator 2√7+√3/3√7-√3

Dahasolnce [82]

Answer:

$\frac{2 \sqrt{7} + \sqrt{3}}{3 \sqrt{7} - \sqrt{3} } = \frac{2 \sqrt{7} + \sqrt{3}}{3 \sqrt{7} - \sqrt{3} } . \frac{3 \sqrt{7} + \sqrt{3} }{3 \sqrt{7} + \sqrt{3} } \\ \\ = \frac{(2 \sqrt{7} + 3)(3 \sqrt{7} + \sqrt{3}) }{(3 \sqrt{7} - 3)(3 \sqrt{7} + \sqrt{3} ) } \\ \\ = \frac{(42 + 2 \sqrt{21} + 9 \sqrt{21} + 3 \sqrt{21} )}{63 - 3} \\ \\ = \frac{42 + 2\sqrt{21} + 9 \sqrt{21} + 3 \sqrt{21} }{60}$

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3 years ago

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Convert the following decimal to a fraction.

alukav5142 [94]

375/1000. You can then reduce that to get 3/8. So the answer is 3/8

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3 years ago

How do I complete the division problem

lisabon 2012 [21]

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2 years ago

The height of a tree at time t is given by h(t) = 2t + 3, where h represents the height in inches and t represents the number of

ankoles [38]

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3 years ago

A sensitive measuring device is calibrated so that errors in the measurements it provides are normally distributed with mean 0 a

Artemon [7]

Answer: 0.9660

Step-by-step explanation:

Given: Mean : $\mu =0$

Variance : $\sigma^2=2.00$

⇒ Standard deviation : $\sigma = \sqrt{2}$

The formula to calculate z is given by :-

$z=\dfrac{x-\mu}{\sigma}$

For x= -3

$z=\dfrac{-3-0}{\sqrt{2}}=-2.12132034356\approx-2.12$

The P Value = $P(z$

For x= 3

The P Value = $P(z$

$\text{Now, }P(-3$

Hence, the probability that a given error will be between -3 and 3=0.9660

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3 years ago