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lesya692 [45]
3 years ago
10

the melting point of mercury is about 1/4 of the melting point of krypton. the melting point of mercury is -39°C. Write and solv

e an equation to find the melting point of krypton. would K-1/4= -39° Work?
Mathematics
1 answer:
vova2212 [387]3 years ago
5 0

This is not the best question I've ever seen. The wording is the problem, and it's not your fault. The melting point of Krypton is about - 160 oC. It means that numerically the melting point of Krypton is 4 times lower than that of mercury.

Krypton = 4*M

M = - 39

Krypton = 4*-39

Krypton = - 156o C

Now you want to make it something like K(1/4) = - 39 which would be fine. You can't use - 1/4. If you do, your answer will come out to be + 156 which is not what you mean. If this was a multiple choice question, your answer would be the second best one.

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What is mean, median, and mode?

Mean, median, and mode are terms in math when it comes to looking at charts and sets/groups of numbers.

1. The mean is the average of a data set.

2. The median is the middle of a data set.

3. The mode is the most common number in a data set.

Mean is found by adding the numbers and dividing the sum by the number of numbers in the list. This is what is most often meant by an average. The median is the middle value in a list ordered from smallest to largest. The mode is the most frequently occurring value on the list.

Before we start, let's put the set of numbers in order from least to greatest,

95, 97, 100, 86, 78, 96

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Now that we have done that let's find the mean,

78 + 86 + 95 + 96 + 97 + 100 = 552

There are 6 numbers in this set so we need to divide 552 by 6,

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Now let's find the median,

If we take a look at the data set we can see that there are two numbers in the middle because there are 6 in total,

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Because there are two values that are in the middle we need to add them up and divide the sum of them by 2,

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Now let's find the mode,

If we take a look at the date set we can see that none of the numbers are repeated,

So this means there is no mode to this data set,

Therefore the mean is 92, the median is 95.5, and there is no mode.

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