# Posts by gretchen

Total # Posts: 23

**Physics**

Physics 114. Lool oh well guess no one knows the answer ;(

*April 10, 2015*

**math**

A balanced coin is tossed 12 times and heads appears each time. What is the probability that tails will appear on the next toss?

*January 22, 2015*

**Statistics**

Using a scatter diagram with x(age in weeks) of calves and y (weight in kg) and the info is as follows Week 1 /42kgs Week 3 /50 kgs Week 10/75 kgs Week 16/100kgs Week 26/150kgs week 36/200kgs would you estimate the linear correlation coefficient R to be positive , close to ...

*October 12, 2014*

**Statistics**

You roll two fair dice a blue one and a yellow one what is the probability of and odd on the blue die and 5 or 6 on the yellow die

*October 5, 2014*

**statistics**

if you roll a single die and count the number of dots in top what is the probability of getting a number less then 3 on a single throw

*October 5, 2014*

**PLEASE HELP W/ COMPUTER SCIENCE?? JUST 1 PROBLEM?**

Yes and it is part of a lab homework assignment on MyProgrammingLab.

*June 1, 2014*

**PLEASE HELP W/ COMPUTER SCIENCE?? JUST 1 PROBLEM?**

Write a complete Main method that prints Hello, world to the screen. I have tried: MsgBox("Hello, World!") Console.WriteLine("Hello, world") MessageBox.Show("Hello, world") Almost every way that seems correct. Please help me.

*June 1, 2014*

**civics**

Which of the following most accurately describes the right of American citizens to privacy? A. the right to privacy is determined entirely by the states on a case-by-case basis B. the right to privacy is explicitly granted in the Constitution C. the Supreme Court has ruled ...

*March 6, 2013*

**math**

I am trying to help my son with the same problem. At first I thought the above answer was correct too. Then I started to second guess myself because $50-$100 is the SALE price so we need to find the ORIGINAL price THEN take 25% off that to get the sale price. The above answer...

*December 13, 2012*

**Easy Math**

If a basketball has a circumference of C = 2.98 ft, what is its surface area and its volume?

*May 13, 2012*

**Calc**

Find the equation of the normal line to the curve y=2x-3x^2 at the point (-3,-33) is it a. x-16y+339=0 b. x+20y+339=0 c. x+20y+663=0 d. x-16y+663=0

*November 29, 2011*

**Calc**

Find the value of (f o g)' at the given value of x. f(u)= u/u^2-1 u=g(x)=3x^2+x+3 x=0 is it a. 5/32 b. 13/32 c. 1/8 d. 5/32

*November 29, 2011*

**Calc**

A rational function f(x) contains quadratic functions in both the numerator and denominator. Also the function f(x) has a vertical asymptote at x=5, a single x intercept of (2,0) and f is removeably discontinuous at x=1 because the lim x-> 1 is -1/9. Find f(0) and lim x->...

*November 14, 2011*

**calculus**

A rational function f(x) contains quadratic functions in both the numerator and denominator. Also the function f(x) has a vertical asymptote at x=5, a single x intercept of (2,0) and f is removeably discontinuous at x=1 because the lim x-> 1 is -1/9. Find f(0) and lim x->...

*November 14, 2011*

**Chemistry**

I was heating a flask containing salicylic acid, acetic anhydride, and H2SO4 to synthesize aspirin. During the heating period, a black sludge appeared at the bottom of the flask. I have no idea what this could be. Other students had experiments that worked just fine so there ...

*May 25, 2011*

**math**

I am trying to help my son with the same problem. At first I thought the above answer was correct too. Then I started to second guess myself because $50-$100 is the SALE price so we need to find the ORIGINAL price THEN take 25% off that to get the sale price. The above answer...

*January 13, 2011*

**Alg. 2**

How to find the domain of the inverse function of x^2-10x+25

*December 30, 2010*

**spanish**

What subject form would you use for mis amigos? Ex: usted, nosotros, ellos...?

*October 18, 2010*

**8th Grade Algebra**

(b^2-10b+21)/(b^2-11b+28) I need help trying to figure out how to factor each quantity or parentheses. and then simplifying it.

*June 4, 2009*

**math**

what is 0.042 turned into a fraction

*March 31, 2009*

**Social Studies-Christianity**

I think the first one because without it, Christianity, it wouldn't even begin or be well-known as of today.

*March 18, 2009*

**Social Studies-Christianity**

What event had the biggest impact on Christianity?

*March 18, 2009*

**Math**

How do I express a decimal in scientific notation? I know how to do it with whole numbers, but don't know what the rules are when the number is something like .00075.

*October 8, 2008*

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