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juin [17]
3 years ago
14

Can someone help me with these three? You can get 30 points

Mathematics
1 answer:
lyudmila [28]3 years ago
4 0

Answer:

1 is 4

2 is 3

3 is 6

Step-by-step explanation:

tofu tu ugh uh runs

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If a set of data has mean 60 and variance 9 then it's coefficient of variation is
loris [4]
Coefficient of variation is calculated by dividing the standard deviation by the mean multiplied by 100. Given a data set with mean equal to 60 and variance equal to 9, we can calculate the coefficient of variation by finding the value of the standard deviation which is the square root of the variance. so standard deviation is equal to square root of 9 which is 3. Then, the coefficient of variation is equal to 3/60*100 which is equal to 5%.
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3 years ago
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Im confused about this darn question can someone please solve it for me
n200080 [17]

Answer: The answer is A : 6x^2+24x+24

Step-by-step explanation:

(2x+4)(3x+6)

multiple the two equations together

2x*3x=6x^2

2x*6=12x

4*3x=12x

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combine like terms

6x^2+12x+12x+24

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3 0
3 years ago
****WILL GIVE BRAINLIEST TO THE FIRST CORRECT ANSWER****
monitta

All sides are the same, hence, all three angles are the same, and each one of them is 60 degrees. Due to that:

7x + 4 = 60

7x = 56

x = 56/7 = 8

8y + 12 = 60

8y = 48

y = 48/8 = 6

3 0
3 years ago
I have more question then this
gregori [183]

Answer:

A. A reflection over the x-axis

8 0
2 years ago
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Dado el triángulo de vértices en A(-10, -13); B(-2,3) y C(2,1); Hallar la longitud de la perpendicular bajada desde el vértice B
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Answer:

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Step-by-step explanation:

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