Saturday

April 19, 2014

April 19, 2014

Total # Posts: 810

**math**

i'm trying to help my neice out, and i'm a little rusty here.... R(r1+r2)=r1r2

**Physics**

thanks...got the right answer!

**Math.. sorry for posting so many, I just don't get**

Let W repersent the width of a rectangle, the length is 7cm more then the width A. 7cm more than four times the width How do I write that into an algebraic expression?

**Math**

How would I write an algebra expression if You let Zog's Age repersent the letter A. Question: Nine times Zog's Age four years ago.

**math**

Let A repersent Zog's age. Write a algebraic expression for each phrase. How would I write one if: 9 times the sum of Zog's age and 4 years?

**Math**

Evaluate for A=7 B=2 6ab would I do 6x7x2?

**10th grade math**

?... what's that supposed to be?~

**10th grade math**

Number of pages of a 5 page articile left to read if you read p pages.

**10th grade math**

Which expression repeersents the phrase'' twice the quotient of 50 and the sum of a number y and 8?''

**computers**

an introduction to programming and visual basic 2008 page 39 programming challenges rules form design and flowchart for #3 sales tax. how do i do this?

**Statistics**

63.4 65.0 64.4 63.3 54.8 64.5 60.8 49.1 51.0 Assume that these observations are an SRS from the late Cretaceous atmosphere. What is the mean percent of nitrogen in ancient air with a 90% confidence level? Hint: uses one-sample t confidence

**algebra**

This is actually part of a statistics problem I'm working but I forgot how to do this and if someone can refresh my memory, I might be able to solve these. The problem is with factorials. 20! / 5! (20-5)! I know I can reduce and cancel, but how and where? If I do 20! / 5! ...

**Statistics**

Many women take oral contraceptives to prevent pregnancy. Under ideal conditions, 1% will become pregnant within one year. In typcal use, 5% become pregnant. Choose 20 random women taking the pill. How many become pregnant in the next year? a. What is the probability that at l...

**substitution method**

x=8-4y,3x+5y=3

**english**

thank you so much

**english**

Financial planning will seem easier with a good education.

**english**

I am confident that my education will make financial planning easier to understand

**english**

can someone answer my question without sarcasm? Or even answer it? I need help writing a sentence with a linking verb. it has to be about the role of education in sucessful financial planning

**english**

I need two sentences about the role of education in successful financial planning using a linking verb in one and subject-verb agreement in another. Please highlight the verbs

**writing**

I need a sentence about the role of educatin in successful financial planning using a linking verb (put in bold) and another one using the subject verb aggreement

**chem**

57.3 qts how many 25ml vials can they fill ( round to the nearest full vial

**chem**

eon is 1 billion yrs (1x10^9)how long is this in min Assume 1 year=365.25 days

**college**

Thank you Damon!!!

**college**

12.2 ft/sec how many days will it take to complete its journey with the circumference of the earth is 25000 miles. How do i work this problem out dont want the answer just want to know how to solve it!

**college**

I need a subject verb sentence for about the roll in of education in successful financial planning

**Math**

What is the minimum, lower quartile, upper quartile, maximum of these numbers? 45 52 52 68 71 71 75 77 82 84 89 90 90 94 96

**Math**

I did what mrs sue posted and i got a desmo answer.. is that right?

**Math**

klogg weighs 170 lb. He is loading a freight elevator with identical 69-pound boxes. The elevator can carry no more then 2000lb. If klogg rides up with the boxes how many boxes can be loaded on the elevator?

**HCR/210**

consider how you think records management procedures have had to respond to this piece of legislation.

**psychology**

Consider that you are having an informative discussion with your adolescent child about sex. Your goal is to explain to your child that sexual arousal is a normal sensation attributed to the brain, neurochemicals, and sex hormones all working together. Describe, in language th...

**math**

runner A runs 5.6 miles/hr so it will take him 4.68 hrs to run the marathon. runner B runs 6.4 miles/hr so it will take 4.09 hrs to run the marathon however runner B started half and hour later than runner A 4.68 - .5 = 4.18 so runner B will finish the marathon .09hrs before r...

**chemistry**

if 2.0 x 10-5 mol of sparingly soluble Cu(IO3)2 can dissolve in 2L of a very soluble NaIO3 sol'n, what is the molar concentration of the NaIO3 sol'n? (Ksp=1.4x10-5 for Cu(IO3)2)

**chemistry**

pH = -log[H] pH = -log[0.0001] pH = 4

**math**

how many liters of water must be added to 30 liters of a 20% alcohol solution to dilute it to a 15% solution?

**math**

how many liters of water must be added to 30 liters of a 20% alcohol solution to dilute it to a 15% solution?

**Probability/Stas**

An instant lottery gives you probability of 0.023 of winning on any one play, which are independent of each other. If you play 6 times, the probability that you win on none of your plays is: The answer is suppose to be .8902, but I got 0.895. I took 0.23 to the 6th power and s...

**Math**

Please help me! I don't even know where to start :( my teacher took this question up on friday but i was sick, and we have a test tomorrow! -Car A travels from Barrie to Subuiry at an average speed of 90km/h -Car B travels from Subury to Barrie at an average speed of 80km/...

**SCIENCE**

Could someone give me some advice on how to tackle this question please? Explain briefly why the changes in albedo and the other factors give rise to the changes in the GMST, relating your explanation to the water cycle. Is this an example of positive or negative feedback? Tha...

**Science**

Hello, could someone help me with this question please? Explain how burning wood or coal to heat your house may contribute to global warming by altering the energy balance at the Earth's surface? Thank you

**science**

how does a solution form?

**english**

is this a ryhme thing? maybe a record?

**French**

thank you! (: thats what my teacher told us, I just forgot until now

**French**

Alrighty, so i have to write a journal entry about a time in my life when i felt left out. one of the questions is Qu'est-ce que t'es arrive? I think I know what the question, but I have no idea how it relates to the topic. Could somebody please tell me what the questi...

**math**

PROBLEM 2.... i^3 - i^2= -i + the square root of -1^2= -i + 1i is this correct?

**math**

it makes sense now...thanks!!

**math**

is this the answer bob purley??? thanks for your help!!

**math**

Reiny... are these the correct answers?? problem #1: (3+2i)^2= (a+b)^2= (3+2times-1)= (3+1)^2= 4^2= 16 problem #2: i^3-i^2= a-b= -i- -1 ??????????????????????????

**math**

thanks...can I ask u to tell me if I'm correct when I do the problems please and repost back?

**math**

Perform the indicated operations and write the answer in the form a + bi, where a and b are real numbers. Problem #1 (3+2i)^2 Problem #2 i^3 - i^2

**math**

hey how come u didn't mind giving the correct answer this time drwls????

**ALGEBRA**

I did in the math post I did right after this one....perhaps u can see if I still did it wrong? Thanks.....

**ALGEBRA**

i did the work on them...they werent right...i just want to know if im right after i try to solve the problem...thanks

**ALGEBRA**

Wow drwls....that was pretty rude and entirely unnecessary!!

**ALGEBRA**

I need this in a final answer form please :)

**ALGEBRA**

Perform the indicated operations and write the answer in the form a + bi, where a and b are real numbers. Problem #1 (3+2i)squared Problem #2 icubed-isquared

**algebra**

THANKS DONGO!!

**algebra**

write a polynomial that expresses the area of a rectangle whose length is 3 feet more than twice the width

**Science**

thanks !!

**Science**

What is weather most effected by? Convection Conductions Radiation thanks! (:

**physics**

Another question I'm having a hard time grasping; I followed a solution one of the tutors posted involving a similar question, but I have a feeling there is some mistake I am making. The question asks to find out what the distance should be from a source if you want the no...

**physics**

Thank you! That really helped. Now I'm getting an answer of 34 which seems reasonable, according to what the question is asking. Also, if you don't mind answering, how would you know to use the exponential decay equation or the linear equation? Are there certain instan...

**physics**

A sheet of 6 cm in thickness causes the original intensity to decrease to 59% of its original value. You are trying to build a soundproof room that reduces sound coming in and out by 95%. That is, the intensity after crossing the walls is only 5% of the initial value. What sho...

**Science (optics)**

alright, so does anybody have a right answer? lol

**Science (optics)**

Please help me!!!! A swimmer looks up from underwater in a pool and sees a tree. The light traveling in the air makes an ancle of 40 degrees, with the surface of the water. Calculate the anglethe light ray makes with the surface of the water ( n= 1.33) while traveling in the w...

**please help!**

You are 10 m away from a sound source of intensity comparable to the background noise in a very quiet room (20 dB). If you want the intensity in dB to double, you must move to a distance ... A) 100 m B) 20 m C) 7 m D) 5 m E) 1 m the answer is 1 m, but I'm not sure how to a...

**pilgram**

Managing Working Capital. A new computer system allows your firm to more accurately monitor inventory and anticipate future inventory shortfalls. As a result, the firm feels more able to pare down its inventory levels. What effect will the new system have on working capital an...

**math**

how do you find the surface area of a prism? and the volume of a rectangular prism?

**Intro to Chemistry**

How many milliliters of 5.50 M H2SO4 must you use to prepare 500.ml of 0.2 M sulfuric acid solution? I know I need to use the formula M1V1 = M2V2 but I'm not sure how to calculate the problem?

**6th grade**

how do you estimate the product or quotient for mixed fractions?

**Human resources**

List examples of tangible and intangible forms of organizational culture. Which form of organizational culture is the most powerful agent for influencing ethical behavior by employees in human service organizations?

**English (quotes)**

okay thanks so much!

**English (quotes)**

hi! uhmm i am working on quotes right now. i have to identify who the speaker is and then state the significance of the quote to the play (shakespeare) i was just wondering if somebody could give me some points on how to write significance? thanks!

**science**

what does cell division and mitosis have in common?

**science**

compare and contrast cell division and mitosis. give a breif paragraph response.

**math**

the total number of horses and people at a riding academy one sunday was 39.The total number of legs at the academy that day was 124.How many people were at the riding academy that sunday?

**religon 7th grade **

who was caleb from the hebrew bible? give a breif explanation

**religon **

who was caleb in the hebrew bible? give a breif explanation.

**science**

how is cell division different than mitosis?

**science**

how is DNA copied?

**Grd.10 Science**

Thats what i was thinking! I'll go with that...thanks :)

**Grd.10 Science**

So i did a science lab today, and i am supposed to come up with the skeleton equation for it The chemical reaction is decomposition (starting with one compound that will break off into 1 or more compounds after reaction) This is what i have so far : Cu (CO3) ---> CO2 + ____...

**kinematics**

An individual's arm segment is .18m long and has an angular velocity of 117degrees/s. What is the tangential velocity of the wrist?

**science**

how are ammonia, salt and water alike? how is salt different from glucose, salt and water?

**science**

compare and contrast the 2 new cells formed after mitosis and cell division,.

**science**

please describe what happens to chromosones before mitosis..

**CHEMISTRY **

Hydrogen cyanide, HCN, can be made by a two-step process. First, ammonia is reacted with O2 to give nitric oxide, NO. 4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g) Then nitric oxide is reacted with methane, CH4. 2 NO(g) + 2 CH4(g) → 2 HCN(g) + 2 H2O(g) + H2(g) When 28.6 ...

**algebra 1A**

"8 less than one-sicth of some number, w can be expressed algebraicaly as?

**geography**

i need help to unscramble a few words from chapter 1. the word looks like this "nat ernuimgano"

**math**

Can you find the 11th term of the arithmetic sequence: 5, 12, 19, 26.

**Science**

this is kinda a silly question, but not really. I am trying to get the correct spelling for an illness. Menengium ?? it is when the membrane swells. it causes terrible migranes, stiff neck and can also cause a fever. you can have it as viral, or bacterial. can somebody please ...

**1st grade**

thanks

**1st grade**

I can't play now, can you come back later? Mike said, "I like grape soda". can i used these as sentences

**1st grade**

What is your name; asked Anita.

**1st grade**

He and I was taking the dog for a walk. can i used that for a sentence?

**1st grade**

then does story has two syllables

**1st grade**

does cry has two syllables?

**1st grade**

can i used this as a sentence? Mike joins our soccer team today. Their family has alot of wealth.

**math**

oohh okay. thanks

**math**

Okay. so say their is a list of numbers: x y 0 3 1 5 2 7 3 9 4 11 I know how to answer a question like "use an equation to figure out Y when X is..." but how do you figure do " figure out X when Y is" ? I konw that the formula is y=mx+b but i don't know...

**english**

does cow, how, now and show have a long o sound

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