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igor_vitrenko [27]
3 years ago
15

The sum of three consecutive numbers is 33 more than the smallest.Find the number

Mathematics
1 answer:
valina [46]3 years ago
3 0
Consecutive numbers. X
X+1
X+2

Add them together. 3x + 3 = 33 + x

-3 -3

3x = 30+ x
-x. -x

2x = 30

X = 15
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The correlation analysis assumes that the measurements have a bivariate normal distribution in the population. Select all of the
RoseWind [281]

Answer:

A. True

B. True

C. False

D. False

E. False

F. False

G. True

Step-by-step explanation:

Select all of the features that define a bivariate normal distribution.

<em>(this means that we select only those that are properties of the bivariate normal distribution)</em>

A. Bell-shaped probability distribution in two dimensions rather than one

<em>TRUE  because any combination of the two is still normal Z(x,y)=aX+bY</em>

B. A relationship between X and Y that is not linear

<em>TRUE The contours of the distribution are ellipses.</em>

C. The presence of outliers

<em>FALSE possible, but not always.</em>

D. Either X or Y has a decidedly skewed distribution

<em>FALSE normal distributions are symmetric</em>

E. A relationship between X and Y that is linear

<em>FALSE see answer to B</em>

F. A cloud of points that is funnel shaped (wider at one end than the other)

<em>FALSE normal distributions are symmetric</em>

G. The frequency distributions of X andY separately are normal

TRUE For example, in <em>Z(x,y)=aX+bY, putting a or b=0 means that X and Y separately are normal.</em>

4 0
3 years ago
What is the answer<br> -2(v+5)-(-1+v)=21
Mkey [24]
This is the answer with the correct work.

8 0
3 years ago
What is the smallest positive integer x such that 52 divides 98701 + x.​
strojnjashka [21]

Answer: i think 46 im not sure tho

Step-by-step explanation:

5 0
3 years ago
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NISA [10]
3, 12, 15, 25, 30, 40The range is the difference between the greatest and smallest values:
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Thee average is the sum of elements divided by the number of elements:
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0.40X = 20

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