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12345 [234]
3 years ago
13

Find the midpoint of A and B where A has coordinates (2,9)

Mathematics
1 answer:
timofeeve [1]3 years ago
7 0

Answer:

(\dfrac{9}{2}, \dfrac{13}{2})

Step-by-step explanation:

The coordinates of A = (2,9)

The coordinates of B = (7,4)

Let M (x,y) be the mid point of A and B.

M(x,y)=(\dfrac{x_1+x_2}{2}),(\dfrac{y_1+y_2}{2})\\\\=\dfrac{2+7}{2}, \dfrac{9+4}{2}\\\\=(\dfrac{9}{2}, \dfrac{13}{2})

So, the coordinates of mid point of A and B is (\dfrac{9}{2}, \dfrac{13}{2}).

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A ________ indicates how far an individual raw score falls from the mean of a distribution; the ________ indicates how the score
I am Lyosha [343]

Answer:

A <u>z-score</u> indicates how far an individual raw score falls from the mean of a distribution; the <u>standard deviation</u> indicates how the scores in general scatter around the mean.

Step-by-step explanation:

We have been given an incomplete statement. We are supposed to complete the given statement.

We know that z-score of a data set indicates that a sample score or raw score is how many standard deviation away from the mean. Z-score indicates the distance of a raw score is above or below mean in units.

Therefore, the correct word for 1st blank would be "z-score".

We also know that standard deviation represents the variation of a data set. It tells that data points of a data set are how much close or away from mean of the data set.

Therefore, the correct word for 2nd blank would be "standard deviation".

5 0
3 years ago
Find the area of the trapezoid.
anzhelika [568]

Answer:

488 sq ft

Step-by-step explanation:

Alright, so:

The formula for the area of a trapezoid is as follows:

A=\frac{a+b}{2} h

In this case, a and b are the bases.

Insert the values into our equation and we have...

A = \frac{39+17}{2} (16)\\A = \frac{56}{2} (16)\\A = 488ft^{2}

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

<em>Have a nice day fam. Spread The Love!</em>

5 0
3 years ago
A penny falls from the top of Hard Rock Stadium The height of the penny after a seconds is given by f(x) = 350 - 16x²
7nadin3 [17]

Answer:

B C E

Step-by-step explanation:

Read the question

3 0
3 years ago
<img src="https://tex.z-dn.net/?f=%28%20-%20%2055%292" id="TexFormula1" title="( - 55)2" alt="( - 55)2" align="absmiddle" clas
Art [367]
The answer is -110.
This is because -55-55=-110.
You have to put -55-55 because the question is asking for you to multiply -55 twice, which is technically-55-55.
8 0
3 years ago
Read 2 more answers
Dy/dx when y=x^2e^5x
vekshin1
I believe the problem asks for the slope. This problem can be done by putting <span>y=x^2e^5x into slope intercept form. However, the issue is that there is the variable "e", which does not match the slope intercept formula, y=mx+b. Long explanation short, the slope is </span>3e^5x^2
4 0
4 years ago
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