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3 years ago

What is the answer equal????

Mathematics

2 answers:

zhuklara [117]3 years ago

4 0

Put 4/2 that's the answer

Ad libitum [116K]3 years ago

4 0

$W + \frac{1}{4} = \frac{5}{6}$

Solving:
least common multiple (4,6)

4,6| 2
2,3| 2
1,3| 3
1,1|------- 2*2*3 = 12

LCM of 4 and 6, it is 12

Now, we have:

 $W + \frac{1}{4} = \frac{5}{6}$
$\frac{12W}{12}+ \frac{3}{12} = \frac{10}{12}$
cancel denominators
 $\frac{12W}{\diagup\!\!\!\!\!12}+ \frac{3}{\diagup\!\!\!\!\!12} = \frac{10}{\diagup\!\!\!\!\!12}$
$12W + 3 = 10$
Keep the number with the incognito on the left and swap the number without incident to the right, changing its signal.
 $12W = 10 - 3
$
$12W = 7$
$\boxed{\boxed{W = \frac{7}{12}}}$

Answer:
$\boxed{\boxed{W = \frac{7}{12}}}$ $\end{array}}\qquad\quad\checkmark$

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Help with num 9 please. thanks

Alik [6]

Answer:

See Below.

Step-by-step explanation:

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So, find the derivative of our function:

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8 0

3 years ago

A woman is randomly selected from the 18–24 age group. For women of this group, systolic blood pressures (in mm Hg) are normally

Naddik [55]

Answer:

$X \sim N(114.8,13.1)$

Where $\mu=114.8$ and $\sigma=13.1$

We are interested on this probability

$P(X>140)$

And the best way to solve this problem is using the normal standard distribution and the z score given by:

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

If we apply this formula to our probability we got this:

And we can find this probability using the complement rule:

$P(z>1.924)=1-P(z$

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".

Solution to the problem