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PtichkaEL [24]
3 years ago
5

What’s the appropriate volume of the cone 8in and 20in

Mathematics
1 answer:
Tasya [4]3 years ago
3 0
I believe the appropriate volume is 160.
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a group of students decided to collect as many paise (1/100 RS.) from each member of the group as is the number of members. If t
Softa [21]

Answer:

Let the no. Of members be x

Rs. 59.29 = 5929 paise

5929/x = x

x^2 = 5929

Therefore x = 77

No. Of members = 77

Hope this helps!

8 0
2 years ago
A small business owner estimates his mean daily profit as $970 with a standard deviation of $129. His shop is open 102 days a ye
Katena32 [7]

Answer:

The probability that the shopkeeper's annual profit will not exceed $100,000 is 0.2090.

Step-by-step explanation:

According to the Central Limit Theorem if we have a population with mean <em>μ</em> and standard deviation <em>σ</em> and we select appropriately huge random samples (<em>n</em> ≥ 30) from the population with replacement, then the distribution of the sum of values of <em>X</em>, i.e ∑<em>X</em>, will be approximately normally distributed.  

Then, the mean of the distribution of the sum of values of X is given by,  

 \mu_{x}=n\mu

And the standard deviation of the distribution of the sum of values of X is given by,  

 \sigma_{x}=\sqrt{n}\sigma

The information provided is:

<em>μ</em> = $970

<em>σ</em> = $129

<em>n</em> = 102

Since the sample size is quite large, i.e. <em>n</em> = 102 > 30, the Central Limit Theorem can be used to approximate the distribution of the shopkeeper's annual profit.

Then,

\sum X\sim N(\mu_{x}=98940,\ \sigma_{x}=1302.84)

Compute the probability that the shopkeeper's annual profit will not exceed $100,000 as follows:

P (\sum X \leq  100,000) =P(\frac{\sum X-\mu_{x}}{\sigma_{x}}

                              =P(Z

*Use a <em>z</em>-table for the probability.

Thus, the probability that the shopkeeper's annual profit will not exceed $100,000 is 0.2090.

6 0
2 years ago
Help plz im stuck frfr
mash [69]

Answer:

10.5÷3= 3.5

Step-by-step explanation:

the first triangle is 3 times bigger than the second triangle

eg. 19.5÷3= 6.5 (YX is 3 times bigger than QP)

16.5÷3=5.5

3 0
2 years ago
I need an explanation and answer
Minchanka [31]

Answer:

a ║ c

b ║ f

Step-by-step explanation:


when parallel lines  are cut by a transversal line, the supplementary angles are angles whose angle measure adds up to 180°

so answers are:

a ║ c

b ║ f

6 0
3 years ago
Find the cubic equations with the given roots.<br> 1) 1,-3, and 5
MariettaO [177]
Ax3 + bx2 + cx + d = 0 where a 6= 0 All cubic equations have either one real root, or three real roots.
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3 years ago
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