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Rashid [163]
3 years ago
15

What is the first 15 decimal places of pi ?

Mathematics
2 answers:
masya89 [10]3 years ago
6 0
For those who don't know, Pi is defined as the ratio of a circle's circumference to its diameter. The first 15 digits of the never-ending number are: 3.14159265358979.Mar 14, 2013
bagirrra123 [75]3 years ago
6 0
The answer is 3.14159265358979
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Plz help. 3y + 6 = -2x
Galina-37 [17]
Answer: 2x+3y = -6

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7 0
3 years ago
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Construct a 99% confidence interval for the population standard deviation of white blood cell count (in cells per microliter). A
kogti [31]

Answer:

The correct option is 1.148 < σ < 6.015

Explanation:

The 99% confidence interval for the standard deviation is given below:

\sqrt{\frac{(n-1)s^{2}}{\chi^{2}_{\frac{0.01}{2} }} }

Where:

\chi^{2}_{\frac{0.01}{2} }=18.548

\chi^{2}_{1-\frac{0.01}{2}}=0.676

Therefore, the 99% confidence interval is:

\sqrt{\frac{(7-1)2.019^{2}}{18.548} }

1.148

Therefore, the option 1.148 < σ < 6.015 is correct

3 0
3 years ago
Please help with the precalc question above...
Sonja [21]

Answer:

the last choice

Step-by-step explanation:

two functions are said to be inverse when they are symmetric about the line y=x

4 0
3 years ago
The cost of 3 markers and 2 pencils is $1.80. The cost of 4 markers and 6 pencils is $2.90. What is the cost of each item? Inclu
RideAnS [48]
Let M = marker cost
Let P = pencil cost

3 markers and 2 pencils cost 1.80 ==> 3M + 2P = 1.80

4 markers and 6 pencils cost 2.90 ==> 4M + 6P = 2.90

Multiply the first equation by (-3) and add it to the second equation

-9M - 6P = -5.40
4M + 6P = 2.90

-5M = -2.50
M = 0.50

Plug this value for M into the 1st equation and solve for P

3*(0.50) + 2P = 1.80
1.50 + 2P = 1.80
2P = 0.30
P = 0.15

So a marker costs 50 cents and a pencil costs 15 cents
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2 years ago
Kenta said “The product of two fractions can sometimes be less than the quotient of the two numbers and sometimes greater.”
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The Answer Is True .
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3 years ago
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