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Margarita [4]
3 years ago
10

Find the smallest distinct positive numbers that provide a counterexample to show the statement is false.

Mathematics
1 answer:
Masja [62]3 years ago
6 0
You coulf d be a genius and instantly see the pattern and answer (I can't), or work out all the possible numbers! Since they want "smallest distinct positive numbers", that would be 1-9:

1 x 6 = 6
6/6 = 1

2 x 6 = 12
(1+2)/6 = 1/2

3 x 6 = 18
(1+8)/6 = 3/2

4 x 6 = 24
(2+4)/6 = 1

.... and so on.

You can that not all final numbers are divisible by 6! Like those that are fractions.
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A certain car model has a mean gas mileage of 34 miles per gallon (mpg) with a standard deviation A pizza delivery company buys
zubka84 [21]

Answer:

z =\frac{33.3- 34}{\frac{5}{\sqrt{54}}}= -1.028

z =\frac{34.3- 34}{\frac{5}{\sqrt{54}}}= 0.441

An we can use the normal standard table and the following difference and we got this result:

P(-1.028

Step-by-step explanation:

Assuming this statement to complete the problem "with a standard deviation 5 mpg"

We have the following info given:

\mu = 34 represent the mean

\sigma= 5 represent the deviation

We have a sample size of n = 54 and we want to find this probability:

P(33.3 < \bar X< 34.3)

And for this case since the sample size is large enough >30 we can apply the central limit theorem and then we can use this distribution:

\bar X \sim N(\mu , \frac{\sigma}{\sqrt{n}})

And we can use the z score formula given by:

z=\frac{\bar X -\mu}{\frac{\sigma}{\sqrt{n}}}

And replacing we got:

z =\frac{33.3- 34}{\frac{5}{\sqrt{54}}}= -1.028

z =\frac{34.3- 34}{\frac{5}{\sqrt{54}}}= 0.441

An we can use the normal standard table and the following difference and we got this result:

P(-1.028

7 0
4 years ago
7th grade math. Trying to find area. How do i find the area?
Komok [63]

Answer:

60

Step-by-step explanation:

A= bh

A = 6 x 10

A = 60

5 0
3 years ago
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The apothem is perpendicular to a side and forms two
Rus_ich [418]

Answer:

4

Step-by-step explanation:

6 0
3 years ago
Identify the terms ,like terms ,coefficients,and constants in <br> 7-5x+1
777dan777 [17]
Constants: -5x
like terms: 7, 1
terms: 1, 7, -5x
coeffcients: 5

7 0
3 years ago
Point A is at (3, 2.5) and point B is at (3, 1.4) on a coordinate grid. The distance between the two points is ____. Input numbe
andriy [413]
The points have the same x-coordinate, so they lie on a horizontal line. The distance between them is the difference between their y-coordinates.

2.5 - 1.4 = 1.1

The distance between the two points is 1.1
5 0
3 years ago
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