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aliya0001 [1]
2 years ago
5

If you help me and explain how you got your answer you will get brainlisyt

Mathematics
1 answer:
Oksanka [162]2 years ago
8 0

Answer:

36.72

Step-by-step explanation:

Take 60% of 61.20. That is the markup.

60% * 61.20 = 60/100 * 61.2 = 3672/100 = 36.72

The markup is 36.72

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Estimate sums and differences of fractions
goldenfox [79]
To estimate this I find it easy to turn the fractions into decimals and then you can easily estimate. To turn a fraction into a decimal divide the numerator by the denominator.
8 0
3 years ago
Question 2 <br><br> help pls its hard i forgt how to do it
Arada [10]

Answer: 52

Step-by-step explanation:

a^2+b^2=c^2

x is the hypotenuse (c). You can find the hypotenuse by finding the opposite of the right angle

48^2+20^2=2304+400=2704

√2704=52

x=52

3 0
1 year ago
If the distribution is really N ( 5.43 , 0.54 ) , N(5.43,0.54), what proportion of observations would be less than 5.05 ? 5.05?
Ipatiy [6.2K]

Answer:

P(X

And we can use the following excel code to find the answer: "=NORM.DIST(-0.704,0,1,TRUE)"

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 of interest for a population, and for this case we know the distribution for X is given by:

X \sim N(5.43,0.54)  

Where \mu=5.43 and \sigma=0.54

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 on this way:

P(Z

And we can use the following excel code to find the answer: "=NORM.DIST(-0.704,0,1,TRUE)"

6 0
3 years ago
4,000000 has more whole number places than 40,000
jonny [76]
You have divided 4,000000 by 100 so it became 40000 so 4000000 has 100 more whole number places 
3 0
3 years ago
Convert 6 7/20<br> into a decimal
Veseljchak [2.6K]

Answer:

6.35

Explanation:

7 divided by 20 is 0.35+6= 6.35

4 0
2 years ago
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