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Nataly_w [17]
3 years ago
5

What are the mean, median, and mode of members in these K-Pop groups? 7, 9, 5, 7, 7, 13, 18

Mathematics
1 answer:
Aloiza [94]3 years ago
6 0

mean=the average of the numbers calculated. median=the number in the middle. mode=the numbers that appear most often

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What is the solution of the equation x2 + 8x + 5 = 0?
Setler79 [48]

Answer:

x = -0.683 (3dp)

x = -7.317 (3dp)

Step-by-step explanation:

<u>Step 1: Apply the quadratic formula</u>

(-b±(\sqrt{b^{2}-4ac})) / 2a

a = 1 <em>(x²)</em>

b = 8 <em>(8x)</em>

c = 5 <em>(5)</em>

(-8±(\sqrt{8^{2}-4 x 1 x 5})) / 2 x 1

<u>Step 2: Simplify</u>

(-8±(\sqrt{44})) / 2

<u>Step 3: Solve</u>

You need to replace the ± with first a + and then a -.

(-8+(\sqrt{44})) / 2 = -0.683 (3dp) = x

(-8-(\sqrt{44})) / 2 = -7.317 (3dp) = x

Hope this helps!

5 0
3 years ago
50 POINTS! + BRAINLIEST! ANSWER ASAP
Llana [10]
C it is 1,-6 jjjjjjjjj
5 0
3 years ago
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Which expression is equivalent to 5(d+1)
timurjin [86]

the answer you are looking for is 5d+5

5 0
3 years ago
Read 2 more answers
What is the transformation of C(9, 3) when dilated with a scale factor of 1/3,
Harman [31]

The transformation of C(9, 3) when dilated with a scale factor of 1/3, using the point (3, 6) as the center of dilation would be an option B: C'(3,1).

<h3>What is Dilation transformation?</h3>

A dilation transformation is a transformation that changes the size of the original figure but the shape remains unchanged.

If any figure is dilated by a scale factor k with the center of dilation as the origin.

Then the change of transformation in each of the vertices of the figure is given:

(x,y) → (kx, ky)

It is given a point C which is located at C(9,3).

Hence, here k=3

We get:

C(9,3) → C'(9×3,3×3)

C(9,3) → C'(27,9) = C'(3,1)

Hence, the transformation of C(9, 3) when dilated with a scale factor of 1/3, using the point (3, 6) as the center of dilation would be an option B: C'(3,1).

Learn more about dilation;

brainly.com/question/6639345

#SPJ1

3 0
1 year ago
A sign 4 meters tall cast a shadow 5 meters long . At the same time, a tree casts a shadow 30 meters long. What is the height of
AfilCa [17]
The information's given in the question are of vital importance. These information's should be very useful while getting to the desired answer of the given question.Let us now concentrate on the problem that needs to be solved.
The height of the sign that casts a shadow of 4 meters is = 5 meters
Then
The height of the tree that casts a shadow of 30 meters = (5/4) * 30 meters
                                                                                          = 150/4 meters
                                                                                          = 37.5 meters
So the tree casting a shadow of 30 meters is actually 37.5 meters in height. I hope the procedure is simple enough for you to understand.
5 0
3 years ago
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