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3 years ago

Help fast !!!!!!!!!!!

Mathematics

2 answers:

Inessa [10]3 years ago

4 0

Answer:

2,3,1

Step-by-step explanation:

1 => 25-3=22

2 => 5-6 = -1

3 => 5- -3 = 8

Semmy [17]3 years ago

3 0

Answer:

tbh I think its the middle one

Step-by-step explanation:

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Anya bought some cans of paint. She used 9 of them to

kati45 [8]

equation would be 23 plus 9 equals 32 or p, the number of cans she bought

7 0

3 years ago

Logan measured a line to be 7.4 inches long. If the actual length of the line is 7.7 inches, then what was the percent error of

algol13

Answer:

3.9%

Step-by-step explanation:

Percentage error

$= \frac{7.7 - 7.4}{7.7} \times 100 \\ \\ = \frac{0.3}{7.7} \times 100 \\ \\ = \frac{300}{77} \\ \\ = 3.8961039 \\ \\ = 3.9 \%$

8 0

3 years ago

Read 2 more answers

Suppose that the mean time that visitors stay at a museum is 94.2 minutes with a standard deviation of 15.5 minutes. The standar

Maurinko [17]

Answer:

$94.2 -0.994*3.1 = 91.1186$

$94.2 +0.994*3.1 = 97.2814$

And the 68% confidence interval is given by (91.1186, 97.2814)

Step-by-step explanation:

For this case we know that mean time that visitors stay at a museum is given by:

$\bar X = 94.2$

The standard deviation is given by:

$s= 15.5$

And the standard error is given by:

$SE = \frac{s}{\sqrt{n}} =3.1$

And we want to interval captures 68% of the means for random samples of 25 scores and for this case the critical value can be founded like this using the normal standard distribution or excel:

$z_{\alpha/2}= \pm 0.994$

We can find the interval like this:

$\bar X \pm ME$

And replacing we got:

$94.2 -0.994*3.1 = 91.1186$

$94.2 +0.994*3.1 = 97.2814$

And the 68% confidence interval is given by (91.1186, 97.2814)

7 0

3 years ago

Pls help “What transformations of f(x)=x^2 would yield g(x)=(x-E)^2-A?

Ivan

right E units, down A units

whenever you have ( -E) whatever you have Inside you do the opposite just like this problem. We have -E so to the right. if it was positive we go left

4 0

2 years ago

Help please ((: ughhh

Dvinal [7]

1/2............................................ I hope this helps

4 0

3 years ago