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ANEK [815]
3 years ago
10

Joe walks 9.5 inches every second what is the first step of finding mph?

Mathematics
1 answer:
andriy [413]3 years ago
8 0

Answer:

finding how many inches he goes in an hour (multiply by 3600)

Step-by-step explanation:

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What is the square root of a football
anzhelika [568]

Answer:

4.583 short side and 5.291502622129181 long side

Step-by-step explanation:

did this help

4 0
4 years ago
The floor of a rectangular deck has an area of 600 sq. ft. The floor is 20 ft. wide. How long is the floor? A. 15 ft. B. 20 ft.
11111nata11111 [884]
It's D.30 because 600 divided by 20 is 30 or u can multiply 30 x 20 = 600.
8 0
3 years ago
Suppose that a study of elementary school students reports that the mean age at which children begin reading is 5.9 years with a
Bas_tet [7]

Answer:

5.9 years.

Step-by-step explanation:

Central Limit Theorem

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

For a proportion p in a sample of size n, the sampling distribution of the sample proportion will be approximately normal with mean \mu = p and standard deviation s = \sqrt{\frac{p(1-p)}{n}}

In this question:

Mean of the population is \mu = 5.9

If a sampling distribution is created using samples of the ages at which 69 children begin reading, what would be the mean of the sampling distribution of sample means?

By the Central Limit Theorem, the same population mean, of 5.9 years.

3 0
3 years ago
Which statensent is true about the coordinates of points A and 8?
Aleks04 [339]

\frac{y}{x} of point B is equal to  \frac{y}{x} of point A. Correct option A).

<u>Step-by-step explanation:</u>

Here we have  , a straight line in the graph between x-axis & y-axis . There are two points given here, A and B which lie in same line . Equation of line :

y = \frac{3}{4}x , passing through origin  . General equation of a line is :

y = mx+c , where m = slope of line  , c = x intercept , comparing this equation to to equation of line given in graph we get that m = 3/4 & c =0.

Useful info from here is slope = 3/4 . We know that slope = tan(theta) i.e.

⇒ slope = tanx\\

⇒ tanx = \frac{Perpendicular}{base}

⇒ tanx = \frac{y}{x}

⇒ slope = \frac{y}{x}

⇒ \frac{y}{x} =\frac{3}{4} , which is constant i.e. ratio of y over x is a constant  .Hence , \frac{y}{x} of point B is equal to  \frac{y}{x} of point A. Correct option A).

7 0
3 years ago
Read 2 more answers
Select all that apply
Alenkinab [10]
I think the answer is A,C,F
5 0
3 years ago
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