Thursday

April 17, 2014

April 17, 2014

Total # Posts: 3,111

**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.

**lit class**

what is the allusion in the passage from a letter written by a world war I veteran in the mid 1920's well we are finally getting what we richly deserve. the adjusted compensation act law. Even Calvin Coolidge wouldn't put his john Hancock on the bill congress, did righ...

**Lit Class**

so it's donnybrook because it's describes from the past

**Lit Class**

what is the allusion in the passage watching a debate would be boring." Kristin said. "I really don't think that's how I want to spend my Saturday morning. "Oh no Mary argued. I've heard some debated where words flew like verbal donnybrooks and were ...

**LIT CLASS**

what is the allusion in this passage as so we conclude that despite the plethora televisions. stereo, video games, gigantic movie theater complexes and the world wide web-- all of which bombard the populace and myriad images and numberless opportunities to communicate --the f...

**math**

a sphere has a volume of 500/3 £k cubic centimeters. what is the total surface area, in square centimeters, of the sphere?

**Pre- Algebra**

3000 2 = 6000 -2-5 you cant do that so you switch the signs so its -2+-5=-7 so its 6000 times -7 hope this helped

**Physics**

A small light is 13.0 cm below the surface of a liquid of refractive index 1.20. Viewed from above, the light appears to illuminate a circle on the surface of the water. What is the diameter of the circle?

**physics help!**

how do we find out the electron charge and mass if we dont know what type it is?

**help fast ,( physics) **

the distance between q3 and q2 is 48 cm and between q2 and q1 is 56 cm ?? what would the answer be now?

**help fast ,( physics) **

this question will help me too, if only you can give abit more detail,when it comes to answering this question... please

**spanish/check please**

1-Yo tengo (tantas/ tantos) praticas como mi hermano answer: tantos 2- Juan toma ( tantas/ tantos) lecciones de artes marciales como Carlos. answer:tantos 3- Elena tiene( tantas/ tantos) pasatiemptos como Angelica. answer:tantas 4_ Camilo tiene(tanto/tanta) interes en el hock...

**Calculus**

True or false. 1. If F'(x) = G'(x) on the interval [a,b] then F(b)-F(a) = G(b)-G(a). I think it's true but I just want to check my reasoning. F'(x) = G'(x) means that F(x) and G(x) differ by a constant (which may be 0). When the subtraction is done to find ...

**Math**

Two fire towers are 30 kilometers apart, tower A being due west of tower B. A fire is spotted from the towers, and the bearings from A and B are E 14 degrees N and W 34 degrees N, respectively. Find the distance d of the fire from the line segment AB.

**Calculus**

integral 5e^t-(sin(t))dt I figured this out as the answer 5e^t+cos(t). My question is if I need to put a +C at the end of the equation. Thanks for your time.

**math**

just did this in my homework... break even quantity F/(s-c) Revenue s(f/(s-c))

**calculus**

What is the indefinite integral of 6/(x ln(2x)??

**stats**

A particular college basketball player is a 80% free throw shooter. In a game, he took 20 free throws. Find the probability he made 18 or more of his free throws.

**Algebra**

Thank you for your help.

**Algebra**

Im having a hard time figuring out this problem: Use the function, y=-(x+1)^2 +2, to answer the following parts. The increasing interval and decreasing interval To find both I believe that: increasing : x < -1 decreasing : x > 1 So is this on solution below Increasing i...

**physics**

If 1200 cal of heat are added to 50 g of water initially at a temperature of 15 oC, what is the final temperature of the water?

**account/check please**

The two accounts used to adjust the uncollectible accounts are. A) Uncollectible Accounts Expense and Allowance for Uncollectible Accounts. B) Accounts Receivable and Uncollectible Accounts Expense. C)Accounts Receivable and Allowance for Uncollectible Accounts D)Accounts Rece...

**account/check please**

The two accounts used to adjust the uncollectible accounts are. A) Uncollectible Accounts Expense and Allowance for Uncollectible Accounts. B) Accounts Receivable and Uncollectible Accounts Expense. C)Accounts Receivable and Allowance for Uncollectible Accounts D)Accounts Rece...

**algebra**

Im having a hard time figuring out this problem: Use the function, y=-(x+1)^2 +2, to answer the following parts. Find the y-intercept y=-(0+1)^2 +2 y=-(1)^2 +2 y=-1+2 y=1 is my answer Find the x-intercept 0=-(x+1)^2 +2 0=-((x^2)+(1^2))+2 0=-x^2 - 1 + 2 sq.rt(x^2)= sq.rt(1) x=1...

**Special Education**

ok forgot that part.... i think I got it,.... thanks for your help

**Special Education**

Given at least 3 blocks of contrasting colors from the table and guiding 1 hand to hold the block, Shimon will be able to pick up the the block with one hand, 4/5 trials.at about. WHat about the above? Wow this is confusing....

**Special Education**

Yes so I think the part where Shimon is picking up th biggest block with one hand should be corrected.... do u have any idea how I could possibly change that..

**Special Education**

Given at least 3 blocks of contrasting colors from the table and guiding 1 hand to hold the block and the other to pick up the block, Shimon will be able to pick up the biggest block with one hand, 4/5 trials. There is something wrong with the above behavioral objective. Do yo...

**accounting**

The two accounts used to adjust the uncollectible accounts are. A) Uncollectible Accounts Expense and Allowance for Uncollectible Accounts. B) Accounts Receivable and Uncollectible Accounts Expense. C)Accounts Receivable and Allowance for Uncollectible Accounts D)Accounts Rece...

**Algebra**

Is the vertex (-1,2) Increasing interval (-2,1) Decreasing interval(1,-2) Do the x-intercept =1?

**Algebra**

Im having a hard time figuring out this problem: Use the function, y=-(x+1)^2 +2, to answer the following parts. Find the y-intercept y=-(0+1)^2 +2 y=-(1)^2 +2 y=-1+2 y=1 is my answer Find the x-intercept 0=-(x+1)^2 +2 0=-((x^2)+(1^2))+2 0=-x^2 - 1 + 2 sq.rt(x^2)= sq.rt(1) x=1...

**accounting/help please**

The two accounts used to adjust the uncollectible accounts are. A) Uncollectible Accounts Expense and Allowance for Uncollectible Accounts. B) Accounts Receivable and Uncollectible Accounts Expense. C)Accounts Receivable and Allowance for Uncollectible Accounts . D)Accounts Re...

**English I**

Is this a persuasive topic for an essay: Does television today brainwash children and teens? Yes or No? How? My english teacher says he gets it but it needs to be more persuasive and specific. How do I that? Can you give me some examples? Please and thank you.

**calculus**

The graph of f'(x) is shown for 0=< x =<10. The areas of the regions between the graph of f' and the x-axis are 20, 6, and 4, respectively. I'm going to describe the graph of f' since I can't post pictures. The first section of the graph goes up (like...

**physics**

a particle drops from the height 500m with the initial velocity at rest, and it goes into the water. a particle has a mass of 1kg. draw graphs a-t, v-t, and s-t until 10 second after it hits the water. consider the air and water resistance is measured as F air=.005v^2 N and F ...

**math**

Select a variable (mean or proportion) to determine if there is a difference in the two groups. Samples must be independent. Select a sample of data values (20 to 50) for each group. Then address the following (and a little more) in your project. a. Write a brief statement of ...

**geometry/help**

Find the area of a regular heptagon with the side 7 cm. answer 178.1 cm² can you check

**Calculus 2**

Write in cartesian form: r=3tan(theta)sec(theta) im working with this function here, trying to get an rcos(theta) and/or rsin(theta) so far, i am stumped. what i have so far: r^2=3r(tan(theta)sec(theta)) (x^2+y^2)=?????

**english/help please**

I have a project in Brave new world. I have to make a flag that represent the society .Can you give ideas or symbols to represent the different aspects of their society and what color to use too. please and thank you very much.

**French**

avec sa soeur et ses parents

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