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3 years ago

The sum of three consecutive odd numbers is 57. Find the product of the numbers.

Mathematics

1 answer:

DaniilM [7]3 years ago

8 0

Answer:

17, 19, 21. Hope this helps.

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A professor at a university wants to estimate the average number of hours of sleep the students get during exam week. The profes

balandron [24]

Answer:

The sample size is $n = 2$

Step-by-step explanation:

From the question we are told that

The margin of error is E =4.266

The standard deviation is $\sigma = 2.539$

From the question we are told the confidence level is 99% , hence the level of significance is

$\alpha = (100 - 99 ) \%$

=> $\alpha = 0.01$

Generally from the normal distribution table the critical value of $\frac{\alpha }{2}$ is

$Z_{\frac{\alpha }{2} } = 2.58$

Generally the sample size is mathematically represented as

$n = [\frac{Z_{\frac{\alpha }{2} } * \sigma }{E} ] ^2$

=> $n = [\frac{2.58 * 2.539 }{4.266} ] ^2$

=> $n = 2$

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2 years ago

Convert to a fraction: 0.5

igomit [66]

Answer:

5/10

Step-by-step explanation:

0.5 converted to a fraction is 5 out of 10.

Hope this helps!

4 0

2 years ago

Read 2 more answers

At which root does the graph of f(x) = (x - 5)3(x + 2)2 touch the x-axis?<br> BB<br> -2<br> 2

Svetlanka [38]

Answer:

-2

Step-by-step explanation:

if x=- 2 then f(x)=(-2-5)3(-2+2)=0

so x=-2 is correct

3 0

2 years ago

Sandy was asked to describe the transformation of y=-3(x - 4)^2 - 6 from the parent graph of y=x^2

gavmur [86]

Answer:

As below.

Step-by-step explanation:

The -4 shifts the graph to the right not the left.

The second error is the refection is over the x-axis not the y-axis.

5 0

3 years ago

What is the value of the expression 3/3^-2 ?

kotykmax [81]

The answer is a I hope this helped you out

4 0

3 years ago

The sum of three consecutive odd numbers is 57. Find the product of the numbers. ​

The sum of three consecutive odd numbers is 57. Find the product of the numbers.