Friday

July 25, 2014

July 25, 2014

Total # Posts: 3,156

**Algebra**

The relation is a function containing two ordered pairs. Reversing the components in each ordered pair results in what relation not being a function. A) {(0, 2), (0, 3)} B) {(2, 3), (3, 2)} C) {(3, 1), (4, 1)} D) {(4, 5), (2, 3)}

**calculus**

given that f(x)=x^11h(x) h(-1)=4 h'(-1)=7 find f'(-1)

**chemistry**

The vapor pressure of water at 25.0 C is 23.8 mm Hg. If 250. mL of water is placed in a chamber with a volume of 1.00 cubic meters, how many mL of water will evaporate

**algebra**

amy paid 78.42 for a pair of running shoes during a 25% off sale what was the regular price?

**world history**

Which civilizations were likely to have contact with each other?Why? _answer: Indus valley and Shang because they are close geographically B)Between which lines of latitude did early civilizations develop? Why? _Between lines of 20N and 40N. Because at this latittude they have...

**algebra**

(5x-4)/3=12

**Physics**

Suppose you are given that z = c x2 y4 where c is some number. For a particular value of c, x and y, z is equal to 7. Suppose x is decreased by a factor of 2.6 and y is increased by a factor 4. What is the new value of z?

**Calculus**

Infinite series question. an=2+(0.99)^n Converge or Diverge?

**geometry**

m<AOC=7x-2, m<DOC= 2x+8,m<EOD=27

**Math**

2 minutes

**psychology**

Much of brain research you have read about in this chapter was carried out using animals. In many studies, it is necessary to euthanize animals to study their brain tissue directly. Many people object to this practice, but others say it is justified because it advances knowle...

**Math**

Write 0.2 in the form a/b using integers to shoe that it is a rational number

**Math Place Value**

Please!!! Need help with this question asap!!!

**Math**

Sue's friens Kat has these numbers 89378, 42327,49734 and teacher has shown a 3, how many points will Kat have? What digit does she hope teacher will pull next week so she has the highest score?

**Chem**

Consider the balanced chemical equation: 3Sr(OH)2(aq) + 2H3PO4(aq) → Sr3(PO4)2(s) + 6H2O(l). How many moles of Sr(OH)2 remain if 0.10 mol of H3PO4 react with 0.40 mol of Sr(OH)2?

**english**

Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. · Bold each adverb. · Underline each adjective. · Compare the event to one or more similar events. When comparing, u...

**statistics**

A simple random sample of FICO credit rating scores is listed below: 714 751 664 789 818 779 698 836 753 834 693 802 Find range, variance, and standard deviation.

**University of Phoenix**

inventory turnover ratio analysis for Dell Inc.FINANCIAL STATEMENTS April 29,2011 and January 28,2011

**Math**

What is the answer to the below math problem? 78000 x (1.7% x 20 years) + (1% x 10 years)

**Basic Statistics **

A population of 200 voters contains 52 Republicans, 128 Democrats, and 20 independents and members of other parties. A simple random sample of 20 voters will be drawn from this population. The expected number of Republicans in the sample is ______ ? The standard error of the n...

**Basic Statistics **

A population of 300 voters contains 147 Republicans, 135 Democrats, and 18 independents and members of other parties. A simple random sample of 30 voters will be drawn from this population. Consider repeatedly drawing simple random samples of size 30 from the population (takin...

**statistics**

Two dice are rolled and two fair coins are tossed. Let X be the sum of the number of spots that show on the top faces of the dice and the number of coins that land heads up. The expected value of X is _____ .

**statistics**

Two dice are rolled and two fair coins are tossed. Let X be the sum of the number of spots that show on the top faces of the dice and the number of coins that land heads up. The expected value of X is _____ .

**intermediate algebra**

Short answer find the quotient 6x^3-x^2-7x-9 ------------ 2x+3

**algebra**

this could be a start if the website could find its file:o(

**Math**

A cylinder is inscribed in a right circular cone of height 8 and radius (at the base) equal to 2.5. What are the dimensions of such a cylinder which has maximum volume? What is the radius, and height?

**intermediate algebra**

find the product.(7x^2-y)(7x^2+y)

**intermediate algebra**

find the product. (5x-6y)(5x+6y)

**intermediate algebra**

Find the product. -9y^2(y^4+8y^3-y^2+8y+7)

**intermediate algebra**

plz help I'm lost word problems

**intermediate algebra**

Essay. Show all work. find the quotient: 49a^2-b^2 --------- 7a-b

**intermediate algebra**

Essay. Show all work. find the quotient: y^4+3y-1 -------- y^2-3

**physics**

Five boxes, each having weigh 100N, are stacked up. The bottom box is the fith from the top. What is the magnitude of the normal drove upward exerted by the fourth box from the top on the third box from the top

**algebra**

Essay. Show all work. Find the following quotient: 36x^2-49y^2 ----------- 6x+7y

**algebra**

short answer. find the following quotient: x^2-36 ------ x+6

**algebra**

find the following product:(x-3)(x+3)

**algebra**

short answer. find the following product -7z(-8z^3+3z^2+8)

**algebra**

find the following product: 5x^2y(-4x^5y^4)

**algebra**

One of the authors of this text is moderately active, weighs 87kg, is 185cm tall and is 59 yr old. what are his daily caloric needs?

**algebra**

Essay; show all work. Find the product: (1/7x^2-2/5)(1/2x-1/2) any help would be appreciated

**chemistry**

If I have 30 glucose molecules, how many CO2 molecules will that produce?

**chemistry**

if someone has a blood sugar number of 200 after 12 hours of fasting, what would you tell the patient?

**chemistry**

if a sample of alloy containing magnesium and metal that doesn't react wtih hydrochloric acid are reacted, how much heat would be evolved from a 5 gram sample that is 30% magnesium?

**statistic**

Identify the level of measurement for the following? 1)What state/country were you born? 2)What is the temperature outside rigth now? 3)Rank all of the courses you are currently.The class you look most forward to taking will be rank one ,next two ,and so on . what is the rank ...

**statistic**

Identify the level of measurement for the following? How long does it take you to drive to the school on average ( to the nearest minute)

**math**

thank you. It worked

**math**

the computer said my answer was correct like this (a/b)+(1/d)=(1/c) but I need to do the reciprocal of (1/c) and I dont know how that will look in the equation

**math**

I need help with rearranging this equation to isolate c a=b((1/c)-(1/d)) I got this (a/b)+(1/d)=(1/c) but I dont know the last step with the reciprocal. Could someone please help, thank you

**Math**

is it then a=(ef/d)-(b/c) ?

**Math**

Hi I need help with this question. Rearrange this equation to isolate a ((a+(b/c))(d/e)=f I know you first should divide both sides by (d/e) Can anyone help, thanks

**chemistry**

Why can’t ethyne be turned into trans or cis isomers?

**physics**

thank you!

**physics**

A car traveling 95 km/h slows down at a constant 0.80 m/s^2 just by "letting up on the gas. A) Calculate the distance it travels during the second second. B) Calculate the distance it travels during ninth second.

**Chemistry**

Compare the water solubility and expected BP of propanol, propyl acetate, and acetic acid. Briefly explain why the difference are evident. Thanks!!

**stats**

If other factors are held constant, how does increasing the sample variance affect the value of the independent-measures t statistic and the likelihood of rejecting the null hypothesis?

**Physics**

A rectangular coil of 70 turns, dimensions 0.100 m by 0.200 m and total resistance 10.0 ohms, rotates with angular speed 32.0 rad/s about the y axis in a region where a 1.00 T magnetic field is directed along the x axis. The rotation is initiated so that the plane of the coil ...

**Physics**

How much heat must be transferred to each kilogram of aluminum to bring it to its melting point, 660°C, from room temperature, 20°C?

**albebra**

Thanks drwls, I knew the answer, I just don know how to properly express it in an algebraic formula? Thanks

**albebra**

The answer is the easy part, but how do I express it in an algebraic formula? Ken purchased an investment property for 245,000 and sold it at a 12% loss. How much did he sell it for?

**trig **

A 115 foot foot casts a 147 foot shadow, what is the degree of elevation to the sun

**Math**

Find the probability of the following if there are 30 students in the class who have been numbered and you use a calculator to generate random numbers between 1 and 30. A number less than 10.

**overton high**

two crates weigh 9kg and 14kg with a force of 195 newtons. what is the acceleratio?

**statistics**

Find the value of t(10, 0.01)

**math**

A cube has 6 sides. Each side has a number from 1 to 6. Each number is used only once.

**persuasive essay **

need help checking grammar errors please and how good is it? Credits cards have some positive value to them from being able to make big purchases, to making an everyday purchase. This reminds me of a quote said by John Mc Donald’s “Everything that has a positive side...

**grammar**

5.The external oblique fascia was then incised, and the incision was lengthened in the direction of the fibers. pls let me know all verbs in this sentence.

**calculus**

Differentiate. sqrt((6x^2 + 5x + 1)^3)

**calculus**

Differentiate. sqrt((6x^2 + 5x + 1)^3)

**Algebra**

Given a= -3 and b=4 and c= -5, evaluate |c-a-b|

**Trig**

URGENT, Please answer this question: give the value of: Tan(Arctan x+1/x-1+Arctan x-1/x)

**Trig**

give the value of tan(arctan x+1/x-1+arctanx-1/x)

**algebra/trig**

1. find domain f(x)=(sqrt(x^(2)-9))

**algebra/trig**

1.Find the domain f(x)=ã(x^(2)-9) 2. Find all six trig functions for (-3,4)

**math**

Suppose the cost of producing x items is given by C(x)=1000-x^3, and the revenue made on the sale of x-items is R(x)=100x-10x^2. Find the number of items which serves as a break-even point.

**math**

John owns a hotdog stand. He has found that his profit is represented by the equation P(x)=x^2 + 12x + 46, where x is the number of hotdogs. What is the most he can earn?

**Algebra**

x= } 1/ã2

**trig**

y = sin (3x-2pi)

**eco**

A?

**HISTORY**

In the eleventh and twelfth centuries, the Song Dynasty had all of the following characteristics except equal status for men and women?

**History**

Why was president Johnson impeached and do you think it was the right action to take? * I have to write a paragraph on this and was wondering if someone could explain it a little better to me because from what im reading it says the impeachment didnt work because they didnt ha...

**med**

Making use of the following terms, write a fictitious medical report of about two paragraphs describing a dermatologic condition or disease. Focus the report on the onset, progression, location, and etiology of the condition or disease, and the treatment parameters. All terms ...

**chem.**

What is an ionic substance made from?

**chem.**

If 130.0 g Zn reacts, what mass of ZnCL2 are produced?

**biology/honors**

Charle Darwin made theory of natural selection but couldnt explain why there is variation within populations. Explain two reasons why there is variation within population ? PLEASE help me answer this question is for my test

**biology/honors**

How does genetic variation lead to speciation ? Can you help me answer this question please for the review test ? thank you .

**biology/honors**

Can someone help answer this question please is one of my study guide for the test? What are some adaptation that hominid populations developed as opposed to primates ? thank you

**Math**

Which is the exact value of the expression sqrt 32- sqrt 50 + sqrt 128 2 sqrt 7 7 sqrt 2 22 sqrt 2 2 sqrt 55

**chemistry**

Oxygen can be produced by the thermal decomposition of mercuric oxide: 2 HgO(s) → 2 Hg(l) + O2(g) How many liters of O2 are produced at 50.0°C and 0.947 atm by decomposition of 57.0 g of HgO?

**science**

What is the average velocity of the argon atoms in the gas phase at 75°F?

**geometry**

how long are the congruent legs of isosceles triangle if its base and altitude to the base are 12cm and 8 cm respectively?

**geometry**

miss sue can u pls help me?

**geometry**

how long are the congruent legs of isosceles triangle if its base and altitude to the base are 12cm and 8 cm respectively?

**geometry**

A photographic negative 35mm long and 24mm wide is to be enlarge to make a picture 28.8 cm long.find the width of the picture?

**geometry**

the sides of a triangle is 9,12,15cm..Find the sides of a similar triangle if the longest side is 20 cm

**geometry**

what is the ratio of 2 segments where the length of one is 8cm while that of the other is 4ocm?

**geometry**

X=15 y=20

**geometry**

a segment of 35cm long is divided in 2 segment whose ratio is 3:4 how long is each segment?

**lit class**

what is the allusion in this passage my mom is a draconian monster. Amy cried in her best "victim" voice to her friend jessop. "She won't let me do anything fun. yesterday she made me study vocabulary words before I could go out with my friends. that where s...

**lit class**

So it would be Calvin Coolidge? I thought it was john Hancock because heserved as president of the second continental congress and he became a synonym for his signature maybe I'm getting in depth I see what you are saying it just means signature in this passage.

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