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sweet [91]
2 years ago
15

Ahmed says that 0.505005000500005 is a rational number because it is a repeating decimal, is he correct? Explain your reasoning.

Mathematics
1 answer:
Dafna1 [17]2 years ago
8 0
Yes he is correct as rational numbers are any numbers, like- 0.5444, -2.8, 7, -3, 1/2, -1/9. Thus, 0.505005000500005 is a rational number as it is a repeating decimal.
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andrey2020 [161]
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2 years ago
A study on the latest fad diet claimed that the amounts of weight lost by all people on this diet had a mean of 23.2 pounds and
erica [24]

Answer:

The standard deviation of the sampling distribution of sample means would be 0.8186.

Step-by-step explanation:

We are given that

Mean of population=23.2 pounds

Standard deviation of population=6.6 pounds

n=65

We have to find the standard deviation of the sampling distribution of sample means.

We know that standard deviation of the sampling distribution of sample means

=\frac{\sigma}{\sqrt{n}}

Using the formula

The standard deviation of the sampling distribution of sample means

=\frac{6.6}{\sqrt{65}}

=0.8186

Hence,  the standard deviation of the sampling distribution of sample means would be 0.8186.

3 0
3 years ago
Fourteen subtracted from 2 times a number is 28. Write an equation?
Alecsey [184]

Step-by-step explanation:

let the unknown number be x

1St step: twice the number is 2(x) =2x

2nd step: 2x -14

3rd step: 2x - 14=28...

5 0
2 years ago
what is the product of 9.8 x 10 to the power of 3 and 8.8 x 10 to the power of 6 expressed in scientific notation
sergij07 [2.7K]

Answer:

9.8*10^3

= 9,800

8.8*10^6

= 8,800,000


4 0
2 years ago
The perimeter of a scalene triangle is 14.5 cm. The longest side is twice that of the shortest side. Which equation can be used
prohojiy [21]

Answer:

Step-by-step explanation:

If the longest side is 6.2 cm, and it is twice the length of the shortest, then we can write an equation as 2x=6.2, where x is the short side length.

Then, since a triangle has 3 sides, the medium side length is 14.5-6.2-x.

Hope that helped,

-sirswagger21

4 0
3 years ago
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