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BabaBlast [244]
3 years ago
7

What could be the mean of the data set below be misleading? Ages of teachers: 29, 38,39,26,29,29,39,77,38,29

Mathematics
1 answer:
Vlada [557]3 years ago
4 0

Add them all up, and divide by 10 so 29+38+39+26+29+29+39+77+38+29 which is 33.5

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Answer to cheek your knowledge
ivolga24 [154]

Answer:

A

Step-by-step explanation:

vertical angles congrunet (angleFJH + angle GJI)

& (angleHFJ + angle JGI congruent)

3 0
3 years ago
Fin the area of the polygons
german

Answer:45

Step-by-step explanation:

First, you need to calculate the area of the square.

(LxW)= 25.

Then, calculate the area of the triangle

(1/2BH)=5x(8/2)=5x4=20

Now, just add 20+25= 45

Please mark me brainliest :)

5 0
2 years ago
2. Point B is located at (-4,5). The midpoint of line segment BD is point c(-1,0). What are the coordinates
andreev551 [17]

Answer:D is 0,-5

Step-by-step explanation:

8 0
3 years ago
29. Which of the following expressions will result in a real answer after being simplified? Select all that apply.
nexus9112 [7]

Answer: A, B, C, and E

Step-by-step explanation:

If both sides are real numbers, then the product will be a real number.

If in at least one of the sides we have a complex number, then the product will be real if:

The other number is zero.

The other number is the conjugate of the first.

This is when:

Suppose we have a number:

z = a + b*i

The conjugate will be:

w = a - b*i

And the product between them is:

(a + b*i)*(a - b*i) = a^2 + a*b*i - a*b*i + b^2 = a^2 + b^2

Then the options that will have a real answer are:

A. (4+5i)(4-5i) = 4^2 + 5^2 = 16 + 25 = 41

B. (4 + 91)*(41 - 9) = 3040

C. (3 + 2*i)*(3 -2*i) = 3^2 + 2^2 = 9 + 4 = 13

E. (312 + 7i)*(312 - 7i) = 312^2 + 7^2 = 97,393

5 0
2 years ago
Identify the two factors that were multiplied together to form the array of tiles. Then identify the product of the two factors.
alina1380 [7]

Answer:

Terms: 3\ and\ x + 2

Product = 3x + 6

Step-by-step explanation:

See attachment for complete question.

From the attachment, there are 3 columns and 3 rows

The 3 columns represent the first factor

To get the second factor, we have to analyze the 3 rows in the attachment.

Notice that the first row is bigger than the other two rows.

This big row will be represented with variable x

Notice that the boxes in second row are smaller than the first row and the + sign is written on each of the boxes.

This is represented with + 1

Also, notice that the boxes in third row are smaller than the first row and the + sign is written on each of the boxes.

This is also represented with + 1

Hence, the expression for the rows is x + 1 + 1 = x + 2

The product is then calculated as:

Product = 3 * (x + 2)

Product = 3 * x + 3*2

Product = 3x + 6

3 0
2 years ago
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