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denpristay [2]
3 years ago
12

Help guys, I’m sure it’s easy for y’all

Mathematics
1 answer:
Artist 52 [7]3 years ago
7 0

Answer:

(x, y) -------- ( -x,-y)

Rule : Rotation center (0,0) , angle of rotation 180° or -180°

Step-by-step explanation:

The vertices of the object and image have coordinates at ;

D(-4,2), --------D'( 4,-2 ),

E (-1,3), --------E'( 1,-3 ),

F (-1,-3),--------F'(1,3),

G (-3,-4),------G'( 3,4 ),

You notice that after the rotation ;

( x, y )-------change to (-x,-y),

This rule is rotation center origin angle 180°

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he table shows the mean number of basketball goals made by four random samples of players from the school team during this year’
Strike441 [17]

The valid prediction for the mean of the population possible using these samples is C. Yes, the variation of the sample means is small

<h3>What is a sample mean?</h3>

It should be noted that a sample mean is an average of a set of data . Also, the sample mean can be used to calculate the standard deviation, central tendency, and the variance of a data set.

The sample mean can be applied to a variety of uses, including calculating population averages.

Here, the sample variance is a measure of the degree to which the numbers in a list are spread out. Here, the numbers given are close to each other.

If the numbers in a list are all close to the expected values, the variance will be small and if they are far away, the variance will be large.

Therefore, the correct option is C.

Learn more about mean on:

brainly.com/question/1136789

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3 0
2 years ago
Please help me with these two questions, Thanks;) ONLY IF YOU KNOW THE ANSWERS
Leya [2.2K]
Number 9 is A and number 10 is D
8 0
4 years ago
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The answer please helping with homework
sveta [45]

0% because there is no point before 40 on the line

5 0
4 years ago
9t-3t+2<br> Combine like terms to create an equal expression.
True [87]

Answer:

6t - 3

Step-by-step explanation:

9t - 3t + 2

Combine like terms: 9t - 3t = 6t

so

9t - 3t + 2

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5 0
3 years ago
In a triangle, two of the angles measure 78° and 49°. Find the measure of the third angle.
Klio2033 [76]
Sum of interior angles of a triangle = 180
so
<span>third angle = 180 - 78 - 49 = 53

</span>
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3 years ago
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