Thursday

October 23, 2014

October 23, 2014

Total # Posts: 73,015

**government**

requirenmnets of article 1 of the constitution
*October 1, 2014*

**Materials Science**

E = 62.89 p.r = 0.365 G = 24.81 ex = 0.159*10^-3 ey = -0.058*10^-3 ez = -0.058*10^-3 gammaxy,yz,zx = 0 energy = 795
*October 1, 2014*

**algebra**

5(x)+5(10)+x 5x+50+x combine like terms.. 6x+50
*October 1, 2014*

**English**

Is this sentence written correctly? The boy came back from the stage with afterthoughts.
*October 1, 2014*

**Pre-Calculus/Trig...**

Help Please For the function defined by: f(x)= (x^2,x≤1) (2x+1,x>1) Define f(0). and also how would i graph f(x)?
*October 1, 2014*

**Literature**

My homework question says: "Write a response to Marianne Moore, describing your response to "Poetry." Cite specific passages from her poem." I understand how to cite specific passages, however, I am having trouble thinking of a way to "respond" to...
*October 1, 2014*

**english **

How to understand and rewrite about the meaning of the quote?
*October 1, 2014*

**MATH**

ln (3x-2/x-1) <0 Can I re-write this as (3x-2/x-1)<e^0 And e^0 is 1? And then I can solve for x?
*October 1, 2014*

**Pre Calculus**

e^-x sqrt(3e^2x -5/4) = e^x No idea how to approach this.
*October 1, 2014*

**social studies**

Television is believed t have no affect on people's opinions and decisions.
*October 1, 2014*

**physics**

speed = distance/time distance = speed X time distance = 100 m/s X 30 s = 3000 m
*October 1, 2014*

**Science**

What is an indicator and how are they useful to scientists?
*October 1, 2014*

**Pre-caluclus **

I do not know how to solve for y to get the inverse of this question: The number of elephants in a park is estimated to be P(t)=7500 1 + 749e^(−0.15t) where t is the time in years and t = 0 corresponds to the year 1903. Find the inverse of P(t). What is the ...
*September 30, 2014*

**Math**

The question is: f(x)=(1+2x)/(1+x), find the inverse and state the domain I have made it up to y=(1+2x)/(1+x) x=(1+2y)/(1+y)
*September 30, 2014*

**Chemistry **

If you are given a photoelctronic spectrum with just the peaks, how do you identify the element that would produce it?
*September 30, 2014*

**math**

the ratio of the number of people who own a smartphone than a flip phone, how many people own each type of phone?
*September 30, 2014*

**math**

a man has 35 models. he has 4 times as many airplane models as he does helicopter models. how many airplane models does he have?
*September 30, 2014*

**math**

Kevin is a quarterback on the football team. He completed 36 passes during the season. His second-string replacement mark completed 2/9 as many passes as kevin. how many passes did Mark complete?
*September 30, 2014*

**math**

mary put new tiles on her kitchen floor. the floor measures 6 feet long by 5 feet wide. she used 10 tiles to cover the entire floor. each tile was 3 feet long. write an equation using the variable x to model this situation. what does x represent in the equation?
*September 30, 2014*

**Pre-caluclus **

The question is: ln(x-2e)+ln(x-3e)=2 I know about ln(xy)= ln(x)+ln(y), and I tried it but I can't simplify it without using decimals and I can't use decimals.
*September 30, 2014*

**Physics (Force)**

F = MA force = mass * acceleration Newtons 2nd law
*September 30, 2014*

**Economics**

Given the following data, use present worth analysis to ﬁnd the best alternative, A,B, or C. A B C Initial cost $10,000 15,000 $12,000 Annual beneﬁt 6,000 10,000 5,000 Salvage value 1,000 −2,000 3,000 Useful life 2 years 3 years 4 years Use an analysis ...
*September 30, 2014*

**Economics**

An engineer has received two bids for an elevator to be installed in a new building. Given a 10% interest rate, which bid should be accepted? Alternatives Westinghome Itis Installed cost $45,000 $54,000 Annual cost 2700 2850 Salvage value 3000 4500 Life, in years 10 15 Can ...
*September 30, 2014*

**engineering ecnonmics**

By installing some elaborate inspection equipment on its assembly line, the Robot Corp. can avoid hir- ing an extra worker who would have earned $36,000 a year in wages and an additional $9500 a year in employee beneﬁts. The inspection equipment has a 6-year useful ...
*September 30, 2014*

**Science**

I WOULD LIKE THE ANSWER TO THAT ASSIGNMENT.
*September 30, 2014*

**Science**

Vocabulary Write a brief paragraph using the terms sedimentary rock,metamorphic rock,and rock cycle.
*September 30, 2014*

**physics**

calculate at what height above the earths surface a satellite must be placed if it is to remain over the same geographical point on the equator of the earth. what is the velocity of the satellite?
*September 30, 2014*

**physics**

does this look right... mg + force of proton = mv^2/r 9.8m/s2 + 8.20 x 10^-8n = v^2/r 8.20 x 10^-8 (5.29 x 10^-11) = v^2 4.34 x 10^-18 = v^2 v= 2.08 x 10^-9 this is for the speed
*September 30, 2014*

**economic engineering**

By installing some elaborate inspection equipment on its assembly line, the Robot Corp. can avoid hir- ing an extra worker who would have earned $36,000 a year in wages and an additional $9500 a year in employee beneﬁts. The inspection equipment has a 6-year useful life...
*September 30, 2014*

**8th grade math**

|22-(-7)| |29| 29
*September 30, 2014*

**CHECK PLEASE**

1) specter 2) specimens 3) reiterate 4) refuted 5) vigilant
*September 30, 2014*

**Curious**

Contact with bodily fluids- spit, vomit, excrement, etc.
*September 30, 2014*

**Curious**

How do you get it? Can you get it from saliva such as someone spitting on you
*September 30, 2014*

**Curious**

There was a team that went to west Africa to help with the Ebola crisis. When they came back home, they realized they had caught it. The nurses died, but they cured the doctor.
*September 30, 2014*

**Curious**

How did ebola get to the USA
*September 30, 2014*

**English**

The second one. "Wades nephew," is an appositive and tells who John is.
*September 30, 2014*

**English**

Wade's nephew John came to the house. Wade's nephew, John, came to the house. Which is correct?
*September 30, 2014*

**Math**

4(2x + 3) = 2(3x - 4) one solution *my answer* infinite solutions no solution
*September 30, 2014*

**Math **

What is 145 over 16 in simplest form? 29/2 * 5/8 = 145/16 = ?? PLEASE HELP MMEEEE DX
*September 30, 2014*

**Urgent--Spanish help! :(**

20. Which of the following phrases means "to go to school" in Spanish? escribir cuentos ver la tele ir a la escuela montar en monpatín 21. How do you answer affirmatively to the following question? ¿Te gusta jugar videojuegos? Oh. Okay. Let me think... :/
*September 30, 2014*

**Urgent--Spanish help! :(**

Which of the following is considered to be the center of town life in Spanish-speaking countries? sobremesa juegos gauchos plaza naipes españoles 16. How would you say "I like neither skating nor skateboarding " in Spanish? No me gusta ni patinar o montar en ...
*September 30, 2014*

**Urgent--Spanish help! :(**

12. Which of the following is a popular Sunday activity in Mexico City? seeing the gaucho games spending time in Chapultepec Park visiting the ruins of a first century aqueduct going to the Prado Museum
*September 30, 2014*

**Urgent--Spanish help! :(**

9. In the Spanish-speaking world, which of the following is a culturally important practice that takes place after meals? having sobremesa dancing the cumbia going to the mall listening to flamenco music 10. Which of the following sentences is the correct way to answer the ...
*September 30, 2014*

**Urgent--Spanish help! :(**

6. Which Spanish city is known for the fact that people of three different religions peacefully lived there together? Avila Madrid Segovia Toledo 7. How would you express your agreement with the following statement? No me gusta equiar. Pues, me gusta esquiar. A mí tambi...
*September 30, 2014*

**math**

how much fuel will all of your familys vehicles hold if they are completely full Explain
*September 30, 2014*

**Statistics**

Foofy obtained a significant Fobt from an experiment with five levels. She therefore concludes that changing every condition of the independent variable results in a significant change in the dependent variable. (a) Is she correct? Why or why not? (b) What must she now do?
*September 30, 2014*

**Statistics**

Foofy obtained a significant Fobt from an experiment with five levels. She therefore concludes that changing every condition of the independent variable results in a significant change in the dependent variable. (a) Is she correct? Why or why not? (b) What must she now do?
*September 30, 2014*

**Math**

Oh okay, thank you!
*September 30, 2014*

**Math**

So it would be 3(2x - 6)?
*September 30, 2014*

**Math**

4(2x - 3) - 4x (answer all that apply) 4x – 12 *my answer* 3x – 4 *my answer* 3(2x – 6) 4(x – 5)
*September 30, 2014*

**Algebra ll**

Rational expression pxplain your work please . 37/k^2-k-30 and x^2-25/2
*September 30, 2014*

**Pre-Calculus/Trigonometry**

Express the following function, F(x) as a composition of two functions and f and g. f(x)= x^2/(x^2+4)
*September 30, 2014*

**government**

ok thank you
*September 30, 2014*

**government**

so we need to write essential questions and 3 questions for our audience would that be considered a essential question or audience question for essential question do we have to answer it?
*September 30, 2014*

**government**

what questions could you ask that are essential
*September 30, 2014*

**government**

so this is the main idea? The Stile of this Confederacy shall be "The United States of America". In this document, "stile" means name.
*September 30, 2014*

**government**

the articles of confederation article 1
*September 30, 2014*

**government**

main idea for article 1 of the confederation what pictures can i put? and what are some essential questions?
*September 30, 2014*

**Pre-Calculus/Trigonometry**

For the sequence an = 4n + 5: find: the first five terms: find the sum of the first 25 terms: is it a arithmetic sequence? If so how can you tell, if not, why not?
*September 30, 2014*

**4-- math questions**

1. Simplify this expression: 6d + 11 – 3d + 4. 3d 17d + 7d 3d + 15 9d + 15 2. Name the coefficients in this expression: 7a + 3b + 9. 7 and 3 7, 3, and 9 7a and 3b 7a, 3b, and 9 3. Name the like terms in this expression: 4c + 12 + 3c + 2b. 4c, 3c, and 2b 4c and 2b 4c and ...
*September 30, 2014*

**Math**

I meant to put is the answer d? Thanks
*September 30, 2014*

**Math**

Subtract the fractions and write your answer in lowest terms. 4/5-3/8 A. 1/40 B. 1 7/4 C. 7/10 D. 17/40
*September 30, 2014*

**math...**

Add the fractions and write your answer in lowest terms. 2/5+1/9 A. 1/15 B. 23/45 C. 3/14 D.19/45 B? Thanks
*September 30, 2014*

**Math**

Find the LCD of 3/5 and 1/6. A. 5 B. 6 C. 11 D. 30 I choose D am I right? Thanks
*September 30, 2014*

**p.e**

MyPlate was created as a tool to help the average American eat one healthy meal a day. True False*** I think the answer is False am I right? Thanks
*September 30, 2014*

**social studies**

what individual behaviors might be influenced by television?
*September 30, 2014*

**physics**

Suppose a vector V⃗ makes an angle ϕ with respect to the y axis.What could be the x and y components of the vector V⃗ ? Express your answers in terms of the variables V and ϕ separated by a comma.
*September 30, 2014*

**English**

What does it mean to take a pride in something you have?
*September 30, 2014*

**Math **

4(2x + 3) = 2(3x - 4) one solution infinite solutions * my answer* no solution 6 - a = 1/3(9a - 18) one solution * my answer* infinite solutions no solution 3(4x - 3) - 7x = 5x - 9 one solution infinite solutions *my answer* no solution 4(2x - 3) - 4x (answer all that apply) ...
*September 30, 2014*

**Math**

Determine if the conditional statement is true. If a shape is a square, then it will have four sides. True?
*September 30, 2014*

**Pre-Calculus/Trigonometry**

Thank you
*September 30, 2014*

**Pre-Calculus/Trigonometry**

Solve the following system of equations algebraically. Verify the solution by using matrices. 8x-2y=5 -12x+3y=7
*September 30, 2014*

**Pre-Calculus/Trigonometry**

Oh okay! That was very helpful. Thank you.
*September 30, 2014*

**Pre-Calculus/Trigonometry**

would it be like this for a, and if so how would i continue that? (f o g)(x)= 1/[(f o g)(x)-5]?
*September 30, 2014*

**Pre-Calculus/Trigonometry**

For f(x)= 1/(x-5) and g(x)= x^2+2, find: a. (f o g)(x) b. (g o f)(6)
*September 30, 2014*

**Stat**

α=0.05 for a two-tailed test. Assume that the data has a normal distribution and the number of observations is greater than fifty. Find the critical z value used to test a null hypothesis. Is the correct answer +/- 1.96?
*September 30, 2014*

**statistics**

n order to estimate the difference between the average Miles per Gallon of two different models of cars , samples are taken and the following information is collected. Model A Model B Sample Size 13 14 Sample Mean 35 32 Sample Variance 13 7 a) Find a 95% confidence interval ...
*September 30, 2014*

**Pre-Calculus/Trigonometry**

oh! thank you, you made it very understanding
*September 30, 2014*

**Pre-Calculus/Trigonometry**

for f(x)= 1/(x^2-3), find: a. f(3) b.f(2+h)
*September 30, 2014*

**Math**

1.)which two sq roots are used to estimate 5? a.)1 & 2 b.)2 & 4 ****** c.)4 & 9 d.)9 & 16 2.)which two sq roots are used to estimate 43? a.)25 & 36 b.)36 & 49***** c.)49 & 64 d.)25 & 64 3.)an estimate for the sq root of -66 is? a.)-6 b.)-7 c.)-8***** d.)-9 4.)an estimate for ...
*September 30, 2014*

**stats and prob**

a) 1/.2
*September 30, 2014*

**Math**

Is -2 an even number?
*September 30, 2014*

**precal**

a pendulum swings back and forth from a string. when it is lying motionless it is y = 6 ft. from a nearby wall. when the pendulum is furthest from the wall, it is 9 ft. it takes 20 seconds to complete one cycle. suppose you start timing the pendulum when it is furthest from ...
*September 29, 2014*

**Geometry**

HOW?? Can you please give me some example? I will appreciate.
*September 29, 2014*

**Geometry**

the sum of two whole numbers is an even number. one of the numbers is even. can a deduction be made about the other number?
*September 29, 2014*

**Science**

Ok, thank you very much
*September 29, 2014*

**Science**

... During dry weather, does the water level in a small pond drop because of runoff? If not then what is it?
*September 29, 2014*

**Math**

So is it 4y(2y^4+3y^2+1) or 4y(y^2+1)(2y^2+1)
*September 29, 2014*

**Physics**

Knowing that at the time of the release the balloon was 73.8 m above the ground, determine the time, τ, it takes the bag to reach the ground from the moment of its release.
*September 29, 2014*

**Algebra**

Distribute the 4 6z=2z-32 Subtract 2z 4z=-32 Divide by 4 z=-8 Check Your Answer
*September 29, 2014*

**physics**

A small coin, initially at rest, begins falling. If the clock starts when the coin begins to fall, what is the magnitude of the coin\'s displacement between t1 = 0.1749 s and t2 = 0.437 s?
*September 29, 2014*

**Math**

Factor Completely 8y^5+12y^3+4y
*September 29, 2014*

**chemestry**

I will lose a valance elcetron
*September 29, 2014*

**Stats**

25% chance because 52/4=13 13/52=0.25 or 1/4=0.25
*September 29, 2014*

**math**

Kristen and Christopher were playing a board game. They used a spinner with 4 spaces labeled 1, 2, 3, and 4. Each player was allowed 3 consecutive spins. They could move pieces on a board game only if the total of the 3 spins equaled 5. How many possible combinations could ...
*September 29, 2014*

**Physics**

Nellie weighs 300 N and stands on a pair of bathroom scales. If she leans so that one-third of her weight is on the left scale, what is her reading on each scale?
*September 29, 2014*

**physics**

If you stand on a pair of bathroom scales, explain how the readings change as you shift your weight gradually from side to side. what rule governs the readings on the scale?
*September 29, 2014*

**fnjsal**

How many people watch anime in meh school
*September 29, 2014*

**Pre-Calculus/Trigonometry**

thank you steve!
*September 29, 2014*

**Pre-Calculus/Trigonometry**

Solve the following system of equations algebraically. Verify your solution by using matrices. 3x-y=0 5x+2y=22
*September 29, 2014*

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