3 years ago

Which of the following are continuous?

Mathematics

1 answer:

goldenfox [79]3 years ago

7 0

E and D are continuous

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Sue played four games of golf for these games her modal score was 98 and her mean score was 100 her range of score was 10 what w

earnstyle [38]

Answer : Remaining two observation becomes 97 and 107.

Explanation :

Since we have given that

Mean = 100

Modal value = 98

Range = 10

As we know that ,

Range = Highest-Lowest

Let highest observation be x

Let lowest observation be y

So equation becomes x-y=10 ----equation 1

So, observation becomes

x,98,98,y

Now, we use the formula of mean i.e.

Mean = $\frac{\text{Sum of observation}}{\text{N.of observaton}}$

So, mean = $\frac{x=98=98+y}{4}=400\\\frac{196+x+y}{4}=100\\x+y=400-196\\x-y=204$

So our 2nd equation becomes

x+y=204

On using elimination method of system of linear equation on these two equation we get,

x=97

and

$x+y=204\\y=204-x\\y=204-97\\y=107$

Hence , remaining two observation becomes 97 and 107.

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3 years ago

If x to the second power equals 20 what is the value of x?

fiasKO [112]

Hey there!

Let's set up an algebraic equation to represent this problem:

$x^2=20$

In order to get rid of the squared, we need to take the square root of both sides, therefore, our answer is:

$x= \sqrt{20}$

Your answer is the square root of 20.

Hope this helps!

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Step-by-step explanation:

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