Jim S.

What Does It Mean?

06/13/14

what does varies indirectly mean in math?

I just need to know and these websites wont tell

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Answers •4

Math Math Help

06/13/14

independent and identically distributed random variables

X_1,X_2,… X_121 are independent and identically distributed random variables such that E(X_i )=3 and Var (X_i )=25. What is the standard deviation of their average? In other words, what is the... more

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Other

06/13/14

Two Bayes theorem questions. The first one seems simple but perhaps a trick question. 5 systems at 2% failure= 10% chance?

As explained in the questions, I'm not quite sure where to assign the values. I know the theorem but I'm a bit unclear on how to solve it ,especially on the first question. Question 1: A mission... more

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Answers •1

Inequalitys

06/09/14

graphing inequalities

stuck on getting set points to graph on inequalities with two signs in them we were taught to change the < or > to = first,then solve for x and y..so on this one x+y<=30 i would first... more

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Answers •1

Algebra 1 Algebra

06/08/14

Identify the solution of the equation if any -2x-4y=1 and 12y=-6x-3

Identify the solution of the equation if any? -2x-4y=1 12y=-6x-3 which is the correct answer no solution (0,-1) (-1,0) infinitely many solutions

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Answers •1

Pre Algebra

06/08/14

According to statistics, the more iced coffee drinks that are sold,

According to statistics, the more iced coffee drinks that are sold,the more physically active the people are in the community. a. solid statistic b. misleading statistic

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Answers •1

Renewable Energy

06/07/14

renewable energy help

which of the following statements is true about the energy efficiency of renewable energy, a. the energy efficiency of renewable energy is always more than 100% b. the... more

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Answers •1

Bayes Theorem

06/06/14

Two colors of taxis, 80 blue and 20 green, friend who is 75% accurate says he saw accident with a green taxi. what is the probability he is right?

There are two colors of taxis out of 100. 80 blue and 20 green. friend who is 75% accurate in his observation sees a taxi accident and claims taxi was green. what is the probability he is right.

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Answers •2

Math Math Help

06/06/14

some help in consumer math please and thanks alot

you owe 2875.59 on a credit card at a 13.7 apr if you pay 400.00 month what is the difference in the amount of interest accrued by the end of the month if you pay at the beginning of the month... more

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Answers •1

Exponents Log

06/05/14

What is the approximate solution of 7^x=3^x+1?

I've tried to use log(10) to bring the exponents to the front but I keep ending up canceling out my variables.

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Answers •2

Probability Probability & Statistics

06/05/14

Probability outcome and frequency question

The table shows the results of spinning a spinner several times. Outcome A B C D EFrequency 2 4 3 1 2 What is the experimental probability of spinning a C or a D? A. 4/5 B. 1/48 C. 1/3 D. 2/5

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Answers •1

Differential

06/05/14

Find the differential dy

Let y=tan(5x+6).Find the differential dy when x=4 and dx=0.4Find the differential dy when x=4 and dx=0.8

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Answers •1

Linear Approximation A+bx

06/04/14

Using linear approximation find A and B

The linear approximation at x=0 to √(8+8x) is A+Bx where A is? and B is?

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Answers •1

Math Geometry Algebra

06/02/14

Area of a Regular Polygon?

I am not certain of my answers, and I would greatly appreciate if you could check them for me. Any help is great! The question is what is the area of the regular polygon with the given radius... more

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Answers •2

Geometry

06/02/14

Convert 810 cm3 to _____ gal.

Convert 810 cm3 to _____ gal. Round answer to the nearest thousandths.

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Answers •1

Geometry

06/02/14

Find the mass given a density of 0.532 g/cm3 and a volume of 937 cm3

Find the mass given a density of 0.532 g/cm3 and a volume of 937 cm3Round to the nearest tenths.

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Answers •1

Probability & Statistics

06/01/14

how high does a stock price have to be to put a company in the top 10%

the average stock price for companies making up the S&P 500 is $50, and the standard deviation is $10. assume that stock prices are normally distributed

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Answers •1

History

05/30/14