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2 years ago

What number gives a result of -3 when 10 is subtracted from the quotient of the number and 5?

Mathematics

1 answer:

jeka57 [31]2 years ago

5 0

The number is 35
35 divided by 5 is 7
7 minus 10 is -3

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In an effort to determine whether any correlation exists between the price of stocks of airlines, an analyst sampled six days of

vovikov84 [41]

Answer:

Check the explanation

Step-by-step explanation:

Following table shows the calculations:

Delta, X Southwest , Y X^2 Y^2 XY

45.96 38.76 2112.3216 1502.3376 1781.4096

46.8 45.41 2190.24 2062.0681 2125.188

47.93 15.7 2297.2849 246.49 752.501

51.78 49.58 2681.1684 2458.1764 2567.2524

52.17 44.34 2721.7089 1966.0356 2313.2178

47.36 18 2242.9696 324 852.48

Total 292 211.79 14245.6934 8559.1077 10392.0488

Sample size: n =6

Now

$S_{yy}=\sum y^{2}-\frac{\left (\sum y \right )^{2}}{n}=1083.27$

$S_{xx}=\sum x^{2}-\frac{\left (\sum x \right )^{2}}{n}=35.03$

$S_{xy}=\sum xy-\frac{\left (\sum x \right )\left (\sum y \right )}{n}=84.94$

The coefficient of correlation is :

$r=\frac{S_{xy}}{\sqrt{S_{xx}S_{yy}}}=0.436$

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3 years ago

PLEASE ANSWER THIS QUESTION FAST 12 POINT TO THE ONE WHO ANSWER THIS AND WILL BE BRAINLISTED PLEASE ANSWER

Fofino [41]

Answer:

Function A

Step-by-step explanation:

Function A= 10x-3

Function B= -5x+25

A slope of 10 is greater than a slope of -5

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2 years ago

1.) what is the domain of the following set? (-2,4), (0,3), (1,6), (-1,2)

SCORPION-xisa [38]

Answer:

A. (-2,-1,0,1) .......

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2 years ago

Read 2 more answers

Students applying to law school must take the LSAT exam. Since competition for acceptance is stiff, many students take a course

Anestetic [448]

Answer:

a) Dependent

b) H0: µd = 0

Ha: µd > 0

c) Stat --> Basic Statistics ----> Paired t. then select samples 1 , 2 to get the required output

d) Not enough data

Step-by-step explanation:

Using values found in MINITAB 19

a) The samples are dependent and this is because the title of the test is the same ( i.e. A group of students given the LSAT )

b) Appropriate hypothesis

H0: µd = 0

Ha: µd > 0

c) The Minitab procedure to be used to test the hypothesis is

click on Stat --> Basic Statistics ----> Paired t. then select samples 1 , 2 to get the required output

d) Not enough data to create a probability plot

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2 years ago

Four towns are located along a

Tamiku [17]

Answer:

30 miles

Step-by-step explanation:

thank you have a good day and take care be safe :)

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2 years ago