Wednesday

July 23, 2014

July 23, 2014

Total # Posts: 2,043

**Algebra**

Thank you for all your help! :)

**Algebra**

What about breaking the fractions a part like this? 5x -2 - 3y -1 = 5 - 3 ----------------- x -1 + y -1 ------- x^2 y --------------------- 1 + 1 ------------ x y = 5y+3x^2 * x^2 y -------- x+y x^2 y(5y+3x) = 5xy^2 + 3x^2 y

**math**

how would you find an equation to a line that is parallel and 3 units away from the line x-5y+10=0?

**science**

what are three fresh water resources and what are three ocean water resources?

**Environmental Science**

What are three fresh water resources and three ocean water resources

**Algebra**

Why would it be this because a*a is 2a? I thought at first it is a^2? Can you please explain, thanks!

**Algebra**

a*a = a^2? yes? No? Or is it (m + 4) (2a – 2)

**Algebra**

Factor (m + 4) (a – 5) + (m + 4) (a + 3) I am pretty sure its this but want to double check! Thanks! (m + 4) (a^2 – 2)

**Algebra**

There is no division necessary here? So the final answer is what is @ the bottom? (5x^-1)-3 (-2+1=-1, and -1+1=0)

**medical information management and office practice**

Explain the difference between qualitative and quantitative medical record analysis.

**math**

how would you prove that (cos^2x-sin^2x)(1-cos^2xsin^2x)= (cos^6-sin^6)?

**math/slope-intercept form**

2x+y=5

**Pre-Cal**

Perform the operation and write the result in standard form. (2-3i)(5i) over 2+3i Please help!! I do not understand this.

**Pre-Cal**

Perform the addition or subtraction and write the result in standard form. (8+sqrt -18) - (4+3sqrt2i) I know that you have to subtract 8 from 4 but I do not know what to do after this.

**7th grade reading**

I know this was already answered,but the child would be possessive if she does not share her toys. It is the synomem for "overprotective"

**3rd grade reading/spelling**

What does it mean to adjust and monitor reading speed?

**math**

from a base elevation of 8500 ft, a mountain peak in colorado rises to a summit elevation of 14595 ft over a horizontal distance of 15842 ft. find the grade of the peak.

**Physics**

As the distance between an object and the center of the Earth is increased 1)the object's mass decreases and its weight remains the same. 2)both the object's mass and its weight remain the same 3)both the object's mass and its weight decreases. 4)the object's m...

**grammar**

Suboridiante clauses: What is the subordinate clause in the sentence: May the dreams you dream today be tomorrow's dreams come true.

**Marine Science**

What happens to the majority of water at the poles and at the equator? My answer was that at the poles the water gets cold and at the equator the water gets hot but my teacher said this was wrong. Please help!

**ethics**

that president of mix race will save your dumb butt you probably voted for bush didnt you that why america is in the shape it is in now because of people like you get a clue

**ethics**

i dont understand what they mean when they said my i dont understand i got everything except the ast question.

**ethics**

I need help i just dont understand it can someone PLEASE help me!!!!!!!!!

**ethics**

Write a 200-300 word summary that answers the following questions: what information about race and ethnicity in the united states has helped you better understand or relate to specific minority groups?, Have you learned something new about your own cutural history?, trends in...

**statics**

16. The Roper Organization conducted identical surveys in 1990 and 2000. One question asked women was, “Are most men basically kind, gentle, and thoughtful?” The 1990 survey revealed that, of the 3,000 women surveyed, 2,010 said that they were. In 2000, 1,530 of the ...

**Physics**

Jessica's weight is 540 newtons. According to the Third Law, if the Earth pulls on Jessica with a force of 540 N, then Jessica pulls on the Earth with a force of 540 newtons that acts in the opposite direction. However, if Jessica stumbles while rollerblading, she will fal...

**discrete math**

what is the link between matricies and graph theory

**Parametric curves and area**

1.The curve of x=49-t^2 and y=t^3-1*t makes a loop which lies along the x-axis. What is the total area inside the loop? 2.Find the area of the region enclosed by the parametric equation: x=t^3-7*t and y=4*t^2.

**Calculus-Modeling Equations**

An unknown radioactive element decays into non-radioactive substances. In 420 days the radioactivity of a sample decreases by 39 percent. 1.What is the half-life of the element? 2.How long will it take for a sample of 100 mg to decay to 46 mg?

**Chemistry**

How many moles of KMn)4 are required to reach with the moles of Na2C2O4 in the last problem? and also, if the KmnO4 of the last problem is in 30.30mL of solution what is the molarity (M) of the KmnO4 solution?

**Chemistry**

how many moles of Na2C2O4 are there in 25.00 mL of a .7654 M solution of sodium oxalate?

**Chemistry**

thank you. so what did you get as a final answer for this problem then? and what did u do after doing 2.2=2PHN3 and after subsituting the partial pressure?? Thanks

**Chemistry**

How do you solve this: Consider the decomposition of ammonium chloride at a cerain temperature NH4Cl(s) <- NH3(g) + HCl(g) -> Calculate the equilibrium constant Kp if the total pressure is 2.2 atm at that temperature.

**geometry**

how do you do linear measure and precision

**4th grade english**

Earlier this year, our class ______ a greenhouse. (visit) Would the correct form be has visited

**Accounting**

Hello, I am taking an accounting class and the questions states "post to the accounts and keep a running bakance for each account" the question gives a page number to refer to but it does not provide any guidance. What does these means?? Thanks

**Math**

Determine whether the function is one-to-one. If it is, find itd inverse. f(x)= 3x+4 over 5

**Math**

Use a graphing utility to approximate (to two-decimal-place accuracy) any relative minimum or maximum values of the function. y=x^3 - 6x^2 + 15 My answer was (4,12) for min and(0,-12) for max.

**Math**

5x-6(-5x + 2) = 16

**mechanics**

An object has a mass of 120 kg on the moon. What is the force of gravity acting on the object on the moon?

**Algebra**

input =9 output = 2 what is the function. input = 27 output = 8 what is the function. input = 42 output = 13 what is the function input = 3 output = 0 what is the function.

**Algebra**

input function output 9

**Algebra**

Can someone help me with this one? Find all numbers for which the rational expression is undefined. 6/4w+5 Thanks

**6th grade_Science/Math**

Thank you Francis! I didn't get it. :)

**Is this imagery?**

Is this a metaphor or imagery? "The ground is wet, and smells of smoke; it feels soft and spongy to his touch."

**Is this imagery?**

He hooks an arm around his son's neck and is at once caught in a fierce embrace. He smooths the dark head wedged against his shoulder, brushes the hair aside at the back of his neck to touch bare skin.

**Algerbra**

Thank you for your help, it is width. So i take the 2and times it by the 27. With that answer figure out the difference between the 2 times 27 and minus from 100 then divid by 2. Is this the way to figure out the problem?

**Algerbra**

Can anyone help me on these two problems also. I am getting so confused and tired. The length of a rectangle is fixed at 27cm. What lengths will make the perimeter greater than 100cm? also this problem Trians A and B are traveling in the same direction on parellel tracks. Tria...

**Algerbra**

I have a couple of problems that i am stuck on. They are word problem. 1 Soybean meal is 12% protien; cornmeal is 6% protien. How many pounds of each should be mixed together on order tyo get 280 pounds of mixture that is 11% protien? How many pounds of the cornmeal should be ...

**math**

Mr. Cline needs 36 ice cubes for the science experiment. Eack ice tray makes 12 ice cubes. If he makes 4 ice trays, does he have enough ice cubes? Can you use an estimate to solve? Explain.

**College math**

A planehas 7 hrs. to reach a target and come back to base. it flies out to the target at 480 miles per hr. and returns on the same route at 640 miles per hour. how many miles from the base is the target?

**8th Grade Algebra: Answer Check #2**

can u hlep me

**8th Grade Algebra: Answer Check #2**

y=x2+-24

**Algerbra**

One day a store sold 35 sweatshirts. White ones cost $9.95 and yellow cost $12.50. In all, $389.05 worth of sweatshirts were sold. How many of each color were sold? How many white sweatshirt were sold? How many yellow sweatshirt were sold? I can not figure out how to do this p...

**Algebra**

The base of a triangle is 8cm greater than the height. The area is 42cm^2. Find the height and length of the base.

**4th grade**

what volume of helium would be in a balloon the size of a 2liter soft drink?

**spelling**

thro?

**Math**

josh that is the right answer by kimberly and I think you go to my school write back josh

**Math**

math is kinded of hard for me but I try my best in math and please solve my math problem and see if its right sinccer kim and 1 think can you spell sinccer please thank you very much anybody and sue

**Math**

5*5*5*5*5<40 than you do 5*14<70+4<74 5^2< 7

**math**

livly tempo kimberly

**healthcare**

what ethical issues might arise by relying more and more on technology in Health Care or Human Service? As you answer,consider ethical issues from a consumer’s perspective and from a Health Care or Human Service worker’s perspective.

**physics**

drwls is correct, except change everything labeled in FEET to METERS since the original problem is in meters.

**public health**

Review this artile: Hutt, J. & Wallis, LA. (2004). Injuries caused by airbags: a review. Trauma, 6, 271-278 and answer following: How did the researchers use the literature to explain a public health phenomena? How was the literature used to show the necessity for the research...

**adult education**

Review this artile Hutt, J. & Wallis, LA. (2004). Injuries caused by airbags: a review. Trauma, 6, 271-278 and answer. • How did the researchers use the literature to explain a public health phenomena? • How was the literature used to show the necessity for the resea...

**Math**

let f(x)= x+3/x-11 and let the domain of the function be the set of all intergres except 11. Find the function values f(9)=

**Math**

Write the first five terms of the sequence whose nth term is -7n-4.

**MATH FOR TEACHERS**

Would you please explain further I am lost?

**MATH FOR TEACHERS**

Write 75.42 in fractional notation.

**chem**

For a given quantum number, n, which electrons will experience the greatest Z*, s or p??????

**chemistry**

what is the effect of electrons in a penetrating orbital on Z* (the effective nuclear charge) felt by electrons in a second orbital?

**PHYSICS**

1. A 4.0 N force acts for 3 seconds on an object. The force suddenly increases to 15 N and acts for one more second. What impulse was imparted by these forces to the object? 2. A railroad freight car, mass 15,000 kg, is allowed to coast along a level track at a speed of 2 m/s....

**PHYSICS**

could you expand on 3 and 4 please?

**PHYSICS**

1. i got 27 2. i got .46 3.still confused 4. "

**PHYSICS**

1. A 4.0 N force acts for 3 seconds on an object. The force suddenly increases to 15 N and acts for one more second. What impulse was imparted by these forces to the object? 2. A railroad freight car, mass 15,000 kg, is allowed to coast along a level track at a speed of 2 m/s....

**physics- PLEASE HELP**

2. A .12 kg ball is moving at 6 m/s when it is hit by a bat, causing it to reverse direction and have a speed of 14 m/s. What is the change in the magnitude of the momentum of the ball? 4. Lonnie pitches a baseball of mass .2 kg. The ball arrives at home plate with a speed of ...

**Accounting**

Calculate the future value of the following: o $5,000 compounded annually at 6% for 5 years o $5,000 compounded semiannually at 6% for 5 years o $5,000 compounded quarterly at 6% for 5 years o $5,000 compounded annually at 6% for 6 years • Answer the following: What concl...

**language**

the cay takes place during???

**physics-HELP**

Suppose that you let teh masses m1 and m2 slide (without adding the third mass). a. what is the acceleration of the mass 25g? Hint: Identify the force that produces the motion and the one that opposes and write the equation for the net force. b. what is the change of momentum ...

**french**

looks right to me, but i only had 3 yrs french, so im not fluent

**history**

What are the checks on the power of the judiciary? Are they potent and easily invoked or weak and difficult to invoke?

**government**

Why has the Commerce Clause (Article 1, section 8, Clause 3) been used to target agriculture, transportation, finance, labor relations and the workplace?

**politic**

Why do those who bear the costs (higher milk prices or taxes to support the maritime industry) not oppose these sorts of policies? Would it be rational to oppose them? Would it be rational to know about them?

**English 11th grade level**

Whaat was on santiago's small line in old man and the seaa?

**9th grade**

at 30degrees celcius, 80 grams of potassium bromide is dissolved in 100 grams of water. is this solution unsaturated, saturated, or supersaturated.

**Algabra**

I forgot to put this in the question i asked. Here it is again. 5/a=?/a 2power Write an equivenlant expression to this.

**Algabra**

How to solve this: 5/a=?/a to the second power

**AP World History**

In a DBQ the should the thesis statement include the group part of the essay in it?

**Math - gr.11**

Hi, can someone help me figure out how to do this question? A 5m stepladder propped against a classroom wall forms an angel of 30 degrees with the wall. Exactly how far is the top of the ladder from the floor? Express your answer in radical form. This chapter right now that we...

**math**

solve for y (x-3)(x^2+3x+9)=4y^2

**math**

solve for y (y^2-2y+1)-x=0

**physics**

a 50 kg person is standing on mercury. mercury's mass is .0553 times the earths mass and has a radius of 2439 kilometers a. what is the persons weight on saturn b. what is the persons mass on saturn how do i solve this, i dont need the answers, just an explanation

**it**

Explain how you would create the users for the sales organization unit and how to set up work groups in this particular situation. Keep in mind that you may have to name certain applications and allowable tasks for each individual or job role. First MI Last Logon ID Title Dept...

**physics**

A solid sphere of weight 36.0 N rolls up an incline at an angle of 30.0o. At the bottom of the incline the center of mass of the sphere has a translational speed of 4.90 m s-1. Isphere = 2/5mr^2. What is the kinetic energy of the sphere at the bottom of the incline? How far do...

**pre cal HELP**

lim (x+x^2)/3x x->0 i need to factor it first then find the limit and the answer is 1/3. I just dont know how to work it out.

**Chem**

1) A 15.0 g sample of nickel metal is heated to 100.0 C and dropped into 55.0 g of water, initially at 23.0 C. Calculate the final temperature of the nickel and the water, if the specific heat capacity of nickel is 0.444 j / g x C. 2) In a coffee-cup calorimeter, 1.60 g of NH4...

**physics**

1. A cart of weight 20 N is accelerated across a level surface at .15 m/s^2. What net force acts on the wagon? (g=9.8m/s^2) 2. An automobile of mass 2000 kg moving at 30 m/s is braked suddenly with a constant braking force of 10000 N. How far does the car travel before stoppin...

**physics**

nevermind, someone helped me earlier

**physics**

A block slides down a 10 angled incline at a constant speed. what is the coefficient of sliding friction between the blocks surface and the incline?

**physics**

thanks!

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