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3 years ago

Find the length of side x in the simplest radical form with a rational denominator.

Mathematics

1 answer:

lisov135 [29]3 years ago

6 0

Answer:

sq root of 6 divided by 2

Step-by-step explanation:

use pythagorean theorem: square of each leg equals the square of the hypotenuse

x squared plus x squared = radical three squared

2x² = 3

x² = $\frac{3}{2}$

x = square root of 3/2

rationalize the denominator to get sq root of 6 divided by 2

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The distribution of cholesterol levels in teenage boys is approximately normal withnbsp mu equals 170 and sigma equals 30 (Sour

ddd [48]

Answer: 0.0336

Step-by-step explanation:

Given : The distribution of cholesterol levels in teenage boys is approximately normal with mean : $\mu= 170$

Standard deviation : $\sigma= 30$

The formula for z-score is given by :-

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

For x=225

$z=\dfrac{225-170}{30}=1.83$

The p-value = $P(z>1.83)=1-P(z$

$=1-0.966375=0.033625\approx0.0336$

The probability that a teenage boy has a cholesterol level greater than 225 =0.0336

4 0

3 years ago

Question 17 *

Anettt [7]

There are 64 boys in the class because 24/3=8 and you have to do the same thing so 8 times 8= 64

6 0

3 years ago

Which expression represents the sum of 8 and twice a number?

disa [49]

All of these answers are wrong? The sum of 8 and twice a number would be 8 + 2n. If it was twice the sum of 8 and a number it would be D. None of them are correct but D is technicllay the closest?

8 0

3 years ago

NEED HELP ASAP!!

Vedmedyk [2.9K]

Answer:

c.) y=2x+3

Step-by-step explanation:

the slope is 2 and the y-intercept is 3

6 0

3 years ago

if there is 8 bags of trail mix and each bag contains 3 and 1/2 and it is shared among 12 hikers how many cups of trail mix will

Katen [24]

$3 \frac{1}{2} = \frac{7}{2}$

$\frac{7}{2} \times 8 = 28$

$\frac{28}{12} = \frac{14}{6} = \frac{7}{3} = 2 \frac{1}{3}$

So each hiker gets 2 1/3 cup of trail mix.

8 0

3 years ago