# Posts by Please Help me!

Total # Posts: 28

**Science**

Describe the flow of blood to the human body, including through each of the four chambers of the heart. Explain how the blood changes as it moves through the various locations in the body.

*December 8, 2016*

**MATHS URGENT**

By making the substitution u =ln x show that the following equation has exactly one real-number solution: 9/ln x + ln x^4 =-12

*October 28, 2016*

**MATHS URGENT**

By making the substitution u=7^x and using part a, derive a hidden quadratic equation 7^(2x-1) +4×7^(x-1) -1/14 =0 and hence find all of the solutions to the above equation.

*October 28, 2016*

**math**

a(n) ____ occurs during the design process when one benefit is given is given up in order to obtain another thanks

*November 27, 2015*

**Grade 12 Calculus**

Evaluate each of the following. Show all your calculations. f" (0) if f(x) = 14x^2 + 3x − 6

*April 19, 2013*

**Grade 12 Calculus**

Evaluate each of the following. Show all your calculations. f" (1/3) if f(x) = −2x^5 + 2x − 6

*April 19, 2013*

**calculus**

Evaluate each of the following. Show all your calculations. f'(3) if f(x) = x^4 − 3x

*April 19, 2013*

**calculus (gr 12)**

The forward motion of a space shuttle, t seconds after touchdown, is described by s(t) = 189t − t^3, where " is measured in metres. a) What is the velocity of the shuttle at touchdown? b) How much time is required for the shuttle to stop completely? c) How ...

*April 19, 2013*

**Math**

THANKS ALOT DELIILIAH!!!!! XD

*September 5, 2012*

**Math**

THANKS ALOT DELIILIAH!!!!! XD

*September 5, 2012*

**math**

Thanks For The Help Ms. Sue! I almost passed the quiz!

*September 5, 2012*

**Polar equations**

write 3x-6y=-14 in polar form. round phi to the nearest degree

*April 20, 2012*

**math i need help please**

determine sums of following geometric sequences... A. -1/32+1/16-...+256 B. 50 over Σ 8(.5)^n-2 where n=1

*January 20, 2011*

**MATH I NEED HELP PLEASE!**

DETERMINE THE SUM OF THE FOLLOWING GEOMETRIC SERIES A. -1/32+1/16-...+256 B. 50 over Σ 8(.5)^n-2 where n=1

*January 20, 2011*

**MATH HELP ME NOW PLEASE!!**

DETERMINE THE SUM OF THE FOLLOWING GEOMETRIC SERIES A. -1/32+1/16-...+256 B. 50 over Σ 8(.5)^n-2 where n=1 HELP PLEASE!!!!!!

*January 20, 2011*

**statistics**

A multiple choice test has 20 questions with each having 4 possible answers with one correct. Assume a student randomly guesses the answer to every question. 1) What is the probability of getting exactly 9 correct answers? 2)What is the probability of getting less than 9 ...

*March 23, 2010*

**statistics**

Find the indicated binomial probabilities. Round to the nearest 3 decimal places. In a local college, 20% of the math majors are women. Ten math majors are chosen at random. 1) What is the probability that exactly 2 are women? 2) What is the probability that 2 or less women ...

*March 23, 2010*

**statistics**

Find the indicated binomial probabilities. Round to the nearest 3 decimal places. In a local college, 20% of the math majors are women. Ten math majors are chosen at random. 1) What is the probability that exactly 2 are women? 2) What is the probability that 2 or less women ...

*March 23, 2010*

**statistics**

I don't know how to begin this question and it is due tonight. I'm not looking for someone to give me the answer. I just need help with the formula that I use and how do I go about answering this? Is the formula: P = P(total subject) / P(OJ drinker over 40) Question: ...

*March 16, 2010*

**math**

thank you

*September 15, 2009*

**math**

is it 7^3?

*September 15, 2009*

**math**

here is a riddle: As i was going to Halifax, I met a man with 7 sacks, Every sack had seven cats, Every cats had 7 kits, Man,kits,cats , and sacks were going to Halifax? how many kittens were there? show your work by using powers.

*September 15, 2009*

**math**

what do you mean by square?

*September 15, 2009*

**math**

thank you so much! :)

*September 15, 2009*

**math**

Express each number as a power. a) 36 b)49 c)81 d)100

*September 15, 2009*

**math**

If marching bands vary from 21 to 49 players, which number of players can be arranged in the greatest number of rectangles?

*September 14, 2009*

**health project**

i am supposed to write about philosophy of health and it due tomorrow. can anyone give me ideas how i should start....plz... i know what to wrote in there but i just don't know how to start..... thanks!

*November 3, 2008*

**Science**

Why has it taken astronomers so long to discover the planet QUAOAR? Space is huge. The object is dim. Under high magnification, even a small amount of space takes a very long time to scan. Plus the object is moving so it's in a different place. That's one way such ...

*June 4, 2007*

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