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3 years ago

Circle O and circle P are congruent. What can you conclude from the diagram?

Mathematics

1 answer:

DENIUS [597]3 years ago

3 0

Answer:

None of these.

Step-by-step explanation:

The sector angle is not given, therefore no conclusions about the choices involving points D,E and A,B with respect to each other, and C, F can be made.

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Twice the quotient of 50 and the sum of a number y and 8

djverab [1.8K]

1st the sum of y and 8 is
y+8
the quotient of 50 and (y+8) is simply dividing 50 by (y+8)
50 / (y+8)
Twice <span>the </span>quotient mean multiply <span>50 / (y+8) by 2, so t</span>he answer is:
2 * 50 / (y+8)

4 0

3 years ago

Anderson’s Nursery was choosing between two different greenhouses. Which statements are true about the greenhouses? Select two o

igomit [66]

Answer:

Step-by-step explanation:

6 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

Students took a typing test. The number of words per minute students could type are listed below. 40, 47, 25, 32, 48, 55, 33, 56

const2013 [10]

Answer:

Step-by-step explanation:

The median number is known as the middles number

The first step is to rearrange the set of numbers starting from the lowest

25, 32, 32, 32, 33, 40, 47, 47, 48, 55, 56

Hence the middle number is 50

8 0

3 years ago

I need help, can someone help me

Zarrin [17]

Answer:

Yes, the price is proportionate. Every rose cost 3 dollars.

Step-by-step explanation:

1 rose * 3 dollars = 3

3 rose * 3 dollars = 9

6 rose * 3 dollars = 18

9 rose * 3 dollars = 27

12 rose * 3 dollars = 36

15 rose * 3 dollars = 45

Equation

R*3=P

Number of roses* 3 dollars per rose = Prices (Dollars)

4 0

2 years ago