All categories

3 years ago

WHAT IS 9X945X1235798___________.

Mathematics

1 answer:

BlackZzzverrR [31]3 years ago

3 0

Answer:The answer is 10510461990

Step-by-step explanation:

Hope u get it correct have a great day! :)

You might be interested in

30 points and brainlest if u can solve this ASAP

gizmo_the_mogwai [7]

Answer:

£265.10

Step-by-step explanation:

200+33.60+31.50=£265.10

42×8=336=10%=33.60
15×14=210=15%=31.50

3 0

3 years ago

Read 2 more answers

The number of motor vehicles registered in millions in the US has grown as follows:

zysi [14]

Answer:

a) Figure attached

b) $r=\frac{n(\sum xy)-(\sum x)(\sum y)}{\sqrt{[n\sum x^2 -(\sum x)^2][n\sum y^2 -(\sum y)^2]}}$

For our case we have this:

n=10 $\sum x = 75.819, \sum y = 43.5231, \sum xy = 330.0321, \sum x^2 =574.8598, \sum y^2 =192.8274$

$r=\frac{10(330.0321)-(75.81948)(43.5231)}{\sqrt{[10(574.8598) -(75.819)^2][10(192.8274) -(43.5231)^2]}}=0.989$

So then the correlation coefficient would be r =0.989

Step-by-step explanation:

Previous concepts

The correlation coefficient is a "statistical measure that calculates the strength of the relationship between the relative movements of two variables". It's denoted by r and its always between -1 and 1.

Solution to the problem

Part a

Year (x): 1940, 1945 1950, 1955, 1960, 1965, 1970, 1975, 1980, 1985

Vehicles (Y): 32.4, 31.0, 49.2, 62.7, 73.9, 90.4, 108.4, 132.9, 155.8, 171.7

After apply natural log for the two variables and create the scatterplot in excel we got the following result on the figure attached.

Part b

And in order to calculate the correlation coefficient we can use this formula:

$r=\frac{n(\sum xy)-(\sum x)(\sum y)}{\sqrt{[n\sum x^2 -(\sum x)^2][n\sum y^2 -(\sum y)^2]}}$

For our case we have this:

n=10 $\sum x = 75.819, \sum y = 43.5231, \sum xy = 330.0321, \sum x^2 =574.8598, \sum y^2 =192.8274$

$r=\frac{10(330.0321)-(75.81948)(43.5231)}{\sqrt{[10(574.8598) -(75.81948)^2][10(192.8274) -(43.5231)^2]}}=0.989$

So then the correlation coefficient would be r =0.989

4 0

2 years ago

Point O is the center of this circle. What is m CAB? A.55 B.48 C.45 D.35

Sophie [7]

Answer is B. 48

By circle theorem, the angle at the centre of the circle is twice the angle at the circumference.

3 0

2 years ago

More companies are posting job advertisements on industry specific sites, because the applicants are usually more qualified. Ple

Dahasolnce [82]

Answer:

True

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

I need help with this problem

diamong [38]

What problem there is no problem explain to me the problem

7 0

3 years ago