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3 years ago

Simplify: |4 – 16| please help!!!

1 answer:

7 0

First, solve inside the absolute value box

4-16 = -12

Then, find the absolute value of -12

abs(-12) = 12

12 is your final answer.

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What is the ratio of 6 nickles to 3 dollars

sashaice [31]

<span>so quarters to nickels would be 4:20. simplified is 1:5</span>

7 0

3 years ago

Read 2 more answers

The coffee shop also sells small bag of coffee beans. the bags come in two 4/5 kilogram and 7/12 kilogram. How much more coffee

Vesnalui [34]

I believe it is 13/60

First, you would make them have common denominators
4/5 (12/12) is 48/60
7/12 (5/55 is 35/60
Second, you want to find the difference
48-35=13
So from that, I would assume that the difference between the two is 13/60

7 0

3 years ago

The highest recorded temperature during the month of July for a given year in Death Valley, California has an approximately norm

S_A_V [24]

Answer:

$P(X$

And we can find this probability using excel or the normal standard tabe and we got:

$P(z$

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

Let X the random variable that represent the temperatures of a population, and for this case we know the distribution for X is given by:

$X \sim N(123.8,3.1)$

Where $\mu=123.8$ and $\sigma=3.1$

We are interested on this probability

$P(X$

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:

$P(X$

And we can find this probability using excel or the normal standard tabe and we got:

$P(z$

6 0

3 years ago

Please help asap-<br><br> (Topic I’m learning is quadratic functions

Zolol [24]

The X intercept(s): (-4,0) and (0,0)
The Y intercept(s): (0,0)

5 0

3 years ago

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The domain of a function is

kramer

Answer:

The domain of a function is the complete set of possible values of the independent variable. In plain English, this definition means: The domain is the set of all possible x-values which will make the function "work", and will output real y-values.

Step-by-step explanation:

I hope this helped ;)

4 0

3 years ago