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3 years ago

If you are finding the median of a data set, are you finding a measure of center or a measure of variation?

1 answer:

4 0

Median is a measure of center. To find the median, you find the middle, or center, of the data set. Mean would be an example of a measure of variation.

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hope it helps

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Dimitry runs 3.1 miles

larisa [96]

Answer:

and?

Step-by-step explanation:

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3 years ago

X-1=-5-x if you know please

melisa1 [442]

Answer:

X will be -2

Step-by-step explanation:

Divide each side by factors that don't contain the variable

6 0

3 years ago

Find the value of x.

dimaraw [331]

Answer:

$2\sqrt{77}$

Step-by-step explanation:

Use the Pythagorean theorem. $a^{2} +b^{2}=c^{2}$

a and b are the two side lengths

c is the hypotenuse (value across from the right angle)

Plug in the values that you are given.

$a^{2} +4^{2} =18^{2}$

Solve for x

$x^{2} =18^{2} -4^{2}$

$x^{2} =308$

x= $\sqrt{308}$

$x=2\sqrt{77}$

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3 years ago

Show that one zero of 8x230x27 is the square of the other.

murzikaleks [220]

Answer:

8x2-30x+27 has one root (9/4) the square of the other (3/2)

Step-by-step explanation:

8x2+30x+27 = (2*x+3)*(4*x+9) => solution = {-3/2, -4/9}

One is not the square of the other because squares are positive.

8x2-30x+27 = (2*x-3)*(4*x-9) =>

solution = {3/2, 4/9} since (4/9 = (3/2)^2, therefore the preceding question is correct.

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4 years ago

What is the x-coordinate of the solution

Brut [27]

Answer:

x=-4

Step-by-step explanation:

3 0

3 years ago