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MaRussiya [10]
2 years ago
12

Which expression is equal to 8.89? *

Mathematics
1 answer:
attashe74 [19]2 years ago
5 0

Answer:

1/4

Step-by-step explanation:

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LenKa [72]

Answer:

Step-by-step explanation:

a) 3x^2-12x-11=3*x^2-3*2*2*x+3*4-23=3*(x^2-2*2x+2^2)-23=3*(x-2)^2-23

so  a= -2 ,b= -23

b) x1=[12+V(12^2-4*3* -11)]/6=12/6+V(144+132)/6=2+2/6V69=2+1/3V69=

2+V69/9=2+V23/3

c=2, d= 23/3

5 0
3 years ago
Each 6 students reported the number of movies they saw in the past year 18,14,18,14,19,9
Brilliant_brown [7]

Answer:

Average: Add all and divide by 6

that gives us 92/6 = 15.333... or 15

Median: order it:

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median is 16

2 averages

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Average: 15.33.. or 15

Outlier: 9

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3 years ago
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stich3 [128]
D, square root of 75= 5 square root 3
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Given the polynomail function below, find f(-5) f(x)=x^2-2x-7
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F(-5) = -5^2 - 2*(-5) - 7 = 25 - (-10) - 7 = 25 + 10 - 7 = 25 + 3 = 28
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3 years ago
Which is the best measure of central tendency for the type of data below–the mean, the median, or the mode? explain. hours of sl
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3 years ago
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