Saturday

January 31, 2015

January 31, 2015

Total # Posts: 806

**physics**

The wheels of a certain roller coaster are both above and below the rails as shown in the figure so that the car will not leave the rails. The mass supported by this particular wheel is 117 kg and the radius of this section of track is 44 m. The acceleration of gravity is 9.8 ...
*January 25, 2015*

**algebra**

Sam jumped off a diving board into a pool her height as a function of time is modeled by the function h (t)=-20 to the second power+20t+16 where t is time in seconds h is height in feet how long did it take sam to reach her highest height what is the highest point that she ...
*January 18, 2015*

**physics**

The linear impulse delivered by the hit of a boxer is 222 N · s during the 0.187 s of contact. What is the magnitude of the average force exerted on the glove by the other boxer? Answer in units of N.
*January 11, 2015*

**physics**

A 32 kg gun is standing on a frictionless surface. The gun fires a 55.1 g bullet with a muzzle velocity of 320 m/s. The positive direction is that of the bullet. Calculate the momentum of the bullet immediately after the gun was fired. Answer in units of kg · m/s.
*January 11, 2015*

**english**

John was late to dinner and I was late to the movies. simple complex compound compound-complex
*January 5, 2015*

**eng9**

The profile of an earthquake survivor would most likely be included in (1 point) a feature article. an editorial article. a hard news article. a letter to the editor.
*January 2, 2015*

**Math Help**

Change the exponential statement 5^x =125 into an equivalent logarithmic statement.
*December 17, 2014*

**Statistics**

Consumption of alcoholic beverages by young women of drinking age has been increasing in the United Kingdom, the United States, and Europe (The Wall Street Journal, February 15, 2006). Data (annual consumption in liters) consistent with the findings reported in The Wall Street...
*December 16, 2014*

**English**

“You may well ask, ‘Why direct action? Why sit-ins, marches, etc.? Isn't negotiation a better path?’" Which best describes the syntax of this passage? Im stuck with this Figurative Parallel Choppy Rhetorical
*December 15, 2014*

**physics**

Two objects of same material are travelling near you. Object A is a 1.9 kg mass traveling 8 m/s; object B is a 2 kg mass traveling 5 m/s. Which object would make you feel worse if you are hit by it?
*December 13, 2014*

**English**

The excerpt has an example of what literary device? “However, I altered my traps; and not to trouble you with particulars, going one morning to see my traps, I found in one of them a large old he-goat…” —Robinson Crusoe by Daniel Defoe I think it is paradox...
*December 11, 2014*

**integer addition and subtraction**

Please hurry
*December 8, 2014*

**integer addition and subtraction**

I need help please help I'm behind and b and have a test about integer addition and subtraction The question:Tyler and Christina are playing a game in which each player either wins loses or draws,0 points are awarded.For the first eight rounds Tyler had the following ...
*December 8, 2014*

**physics help!**

The earth attracts a large ﬂying bug toward its center with a force of 0.10 Newtons. With what force does the bug attract the earth itself? 1. 1.0 N 2. 0.10 N 3. Trillions of Newtons 4. 10 N 5. We need the mass of the bug. 6. Zero; the earth attracts the bug, not the ...
*December 8, 2014*

**physics**

The sum of two forces, one having a magni- tude of 9 N acting due east and other having a magnitude of 4 N acting due north is
*December 8, 2014*

**physics**

The earth attracts a large ﬂying bug toward its center with a force of 0.10 Newtons. With what force does the bug attract the earth itself?
*December 8, 2014*

**physics**

Two people, one twice as massive as the other, try to play tug of war on a nearly frictionless, level, icy surface. When they begin to tug, they are 12 m apart. They tug by pulling the rope hand over hand, until their hands meet along the rope. How far does the heavier person ...
*December 8, 2014*

**Physics**

A block is at rest on an inclined plane. 63 kg µs = 0.47 èc Find the critical angle, èc, at which the block just begins to slide. Answer in units of ◦
*December 7, 2014*

**physics**

A staging that weighs Wstaging supports a painter weighing 160 N. The reading on the left scale is 700 N and the reading on the right scale is 620 N. 700 N 620 N What is the weight of the staging? Answer in units of N
*December 7, 2014*

**Healthcare**

How does the law protect patient rights in managed care?
*December 7, 2014*

**Physics**

The acceleration of gravity is 9.8 m/s^2 . What is the magnitude of the total force on a(n) 72 kg driver by the dragster he operates as it accelerates horizontally along a straight line from rest to 61 m/s in 7.8 s? Answer in units of kN
*November 30, 2014*

**math**

So 210 seconds?
*November 21, 2014*

**math**

At the amusement park, you decide to ride the Ferris wheel, which has a maxmum height of 80 meters and a diameter of 40 meters. It takes the wheel seven minutes to make one revolution. If you start your ride at the midline and the ferris wheel rotates counter clockwise, how ...
*November 21, 2014*

**math**

At the amusement park, you decide to ride the Ferris wheel, which has a maximum height of 50 meters and a diameter of 35 meters. It takes the wheel three minutes to make one revolution. If you start your ride at the midline and the ferris wheel rotates counter clockwise, how ...
*November 21, 2014*

**Chemistry**

the human body is 60% water by weight, how much water in liters does a 196lb man contain?
*October 20, 2014*

**physics**

what is the physics answer to A 25.0 kg mortar shell is launched from level ground at 38.0m/s at 60 Degrees above the horizontal. At the top of its trajectory, the shell explodes into three pieces. A 10.0 kg piece flies forward at 38.0 m/s. Another 10.0 kg piece flies straight...
*October 19, 2014*

**Psychology**

Hi Ms. Sue & PsyDAG, thank you for your help! In terms of general adaptation syndrome, the body prepares for a long, drawn-out-battle during the_ stage? a.resistance b.fight-or-flight c.alarm d.exhaustion I reviewed the question again and again and I think I have the right ...
*October 15, 2014*

**Psychology**

Hi Ms. Sue & PsyDAG, thank you for your help! In terms of general adaptation syndrome, the body prepares for a long, drawn-out-battle during the_ stage? a.resistance b.fight-or-flight c.alarm d.exhaustion I reviewed the question again and again and I think I have the right ...
*October 15, 2014*

**Psychology**

In terms of the general adaptation syndrome, the body prepares for a long, drawn-out battle during the _______ stage.
*October 15, 2014*

**Lumbar Stenosis**

Patient has lumbar stenosis of L2-L5. At this time she would like to try conservative treatment measures. The doctor suggested that she have a lumbar epidural steroid injection performed. She agreed and presented to the pain management suite where the provider injected the ...
*September 4, 2014*

**Cell lung carcinoma**

9. Patient is a 70 year old male with chronic cough and 30 year history of tobacco abuse. Attempts of quitting have been unsuccessful and he still continues to smoke ½ a pack a day. Chest xrays shows a mass in the lower right lobe. He was taken to the operative room ...
*September 4, 2014*

**Medical coding**

a 36 year old female whom was scheduled for endometrial ablation due to menometorrhagia as well as a tubal ligation she has no children. She has a history of irregular periods, tobacco abuse, cocaine abuse, as well as alcohol abuse. She presented to the operative suite where a...
*September 4, 2014*

**life orientation**

Factors of water that cause contemporary social? issues?
*September 3, 2014*

**Physics **

If a bulb of 5ohms is connected across a 12V battery, what is the current flow through the bulb? The formula for this problem would be great, I can solve it from there.
*August 3, 2014*

**POL 201**

America had made a great mistake in fighting the revolutionary war.
*July 26, 2014*

**math**

A student uses approximately 40 to 45 gallons of gasoline per month. The
*July 13, 2014*

**math**

if you have 600 cards and gave away 280 of them. to the nearest hundredth what percant of the cards is left
*July 6, 2014*

**Math**

Lake Michigan Credit Union finances auto loans for its members. Each loan can be classified into one of four categories: paid in full, good standing, poor standing (with one or more missing payments), and delinquent (where the debt is sold to a collection agency). Past records...
*June 24, 2014*

**Chem 130**

When calcium carbonate is heated strongly, carbon dioxide gas is released. CaCO3(s) CaO(s) + CO2(g) What volume of CO2(g), measured at STP, is produced if 14.1 g of CaCO3(s) is heated?
*May 5, 2014*

**Algebra 2**

what if player A wins 2 points from player B, and if the numbers are different, than player B wins 1 point from player A?
*May 4, 2014*

**Algebra 2**

Game Theory: Consider a game in which each of two people simultaneously chooses an integer: 1 or 2. Find the expected value for player A and the expected value for player B. Is each game fair. Question: If the numbers are the same, then player A wins 1 point from player B. If ...
*May 4, 2014*

**Language Arts**

The measure of how much we understood and learned in a college course is referred to as:
*April 21, 2014*

**grammar**

What technique in speech delivery has been shown to connect the speakers to audiences with various styles of receiving messages?
*April 9, 2014*

**Maths**

Jim has grades of 84, 65, and 76 on three math tests. What grade must he obtain on the next test to have an average of exactly 80 for the four tests?
*April 3, 2014*

**educational technology**

*in response to
*March 30, 2014*

**educational technology**

A. Social reforms occurred in response of the abuses of big business.
*March 30, 2014*

**educational technology**

The last one
*March 30, 2014*

**Trig**

y = 0 The graph of y = cos x is symmetrical about the y axis.
*March 30, 2014*

**Geometry **

A lighthouse keeper in his observation tower 120 feet above the water sees a pontoon airplane and a small fishing boat. If the plane is directly above the boat, how far above sea level is the plane flying, rounded to the nearest foot? Be sure to show your work
*March 28, 2014*

**physics**

An advertisement claims that a particular automobile can "stop on a dime". What net force would actually be necessary to stop an automobile of mass 850kg traveling initially at a speed of 56.0km/h in a distance equal to the diameter of a dime, which is 1.8cm ?
*March 21, 2014*

**physics**

I think it's still 550, the wind doesn't change the ground's frame of reference.
*March 21, 2014*

**algebra**

n!*a + (n-1)!
*March 21, 2014*

**math**

3/(4+4)/9 3/8/9 3/72 1/24 or (3/4)+(4/9) (27/36)+(16/36) 43/36 depending on how you read the question
*March 21, 2014*

**Chemistry**

How many grams of I2 are present in a solution if 39.85mL of 0.160M Na2S2O3 solution is needed to titrate the I2 Solution
*March 14, 2014*

**Algebra 1**

Minnie is painting her wall-in closet. Each gallon of paint covers 275 square feet.The closet is in the shape of a right rectangular prism. The floor is 9 feet wide and 7 feet long. The ceiling is 8 feet high. How many gallons of paint should Minnie buy to cover the four walls...
*March 8, 2014*

**Algebra 1**

How many two-digit numbers have a tens digit that is greater than the units digit? Explain.
*March 8, 2014*

**Algebra 1**

If 20% of your classmates own an iPad, 12% own an iPad and an iPhone, and 74% own neither, what percentage own an iPhone? Explain.
*March 8, 2014*

**Algebra 1**

Ok thank you very much!
*March 8, 2014*

**Algebra 1**

Um would it be C) 1356.48 km squared, 1) 500*48= 24000 meters or 24 km 2) 500*24= 12000 meters or 12 km 3) 3.14*24^2= 1808.64 km^2 4) 3.14*12^2= 452.16 km^2 5) 1808.64- 452.165= 1356.48 km^2 The spill grew 1356.48 kilometers squared in between 48 and 24 hours.
*March 8, 2014*

**Algebra 1**

Dont you see the multiple choice answers I gave?! And that's steves request.
*March 8, 2014*

**Algebra 1**

I don't see Reiny's request anywhere in this queston.
*March 8, 2014*

**Algebra 1**

Yes i saw but I didn't ignore it.
*March 8, 2014*

**Algebra 1**

Choose from the following^
*March 8, 2014*

**Algebra 1**

A) 452.16 km squared B) 12,000 km squared C) 1356.48 km squared
*March 8, 2014*

**Algebra 1**

A circular oil spill is spreading over the surface of a lake. The circle's radius grows by 500 meters every hour. How many square kilometers did the spill grow between 24 hours and 48 hours? Explain.
*March 8, 2014*

**Algebra 1**

Who did that!
*March 8, 2014*

**Algebra 1**

Ohh ok thank you! I understand now!
*March 8, 2014*

**Algebra 1**

Please explain, i'm having trouble understanding.
*March 8, 2014*

**Algebra 1**

Mr. Keskin and his wife have a cell phone plan that charges them $5 for 200 text messages per month for each of their phones. The Keskins are charged an additional $0.12 for each text message over their 200-text-message limit. Their carrier has offered them unlimited text ...
*March 8, 2014*

**Algebra 1**

Lets just say He signs up In july, for the 20% discount.
*March 8, 2014*

**Algebra 1**

Matthew would like to join an online book club that costs $84 per year. If he signs up for an automatic renewal, he will get 5% off his membership. If he signs op in July, he will get an additional 20% off. In addition, for every 2 people he refers to the club, he can get $5 ...
*March 8, 2014*

**Algebra 1**

If 111 -> 13, 112 -> 24, 114 -> 46, and 115 -> 57, complete this statement: 117 -> ____. Explain.
*March 8, 2014*

**Algebra 1**

Mrs. Crenshaw has confiscated 4 cell phones from 4 different students because they used them during class. To get the cell phones back, they have to answer the following question: What is the probability that no student receives his or her own phone if Mrs. Crenshaw hands them...
*March 8, 2014*

**Algebra 1**

Ok thank you. I understand now.
*March 8, 2014*

**Algebra 1**

What is the first natural number that is a perfect square and a perfect cube? Can you find the second? The third? Explain.
*March 8, 2014*

**Algebra 1**

Buying paint in large quantities is often less expensive. Five 1-gallon buckets cost 25% more than a single 5-gallon bucket. Suppose that a job requires g gallons of paint. For what values of g should a 5-gallon bucket be purchased to minimize cost? Explain.
*March 8, 2014*

**Chemistry:Important!!!!!!!**

20.00 mL of a H2SO4 solution with an unknown concentration was titrated to a phenolphthalein endpoint with 39.13 mL of a 0.1061 M NaOH solution. What is the concentration of the H2SO4 solution?
*March 3, 2014*

**Help!!!!!!!!!!!!**

A 0.391 g sample of KHP will be titrated with a NaOH solution with an assumed concentration of 0.100 M. Calculate the volume of NaOH that should neutralize the KHP sample.
*March 3, 2014*

**Pre-Calc**

Eliminate the parameter x = t^2 - 1 and y = t^2 + t
*March 2, 2014*

**Math**

state the smallest interval for 5 sin theta to produce a complete graph.
*February 27, 2014*

**Pre-Algebra**

Your baseball team has won 6 games and lost 4 games. If the team does not lose any more games, how many games must the team win to have a win: loss ratio of 2:1.
*February 24, 2014*

**Math**

does the i mean income?
*January 28, 2014*

**Math**

A certain country taxes the first $20,000 of an individual's income at a rate of 15%, and all income over $20,000 is taxed at 20%. a. Al makes $16,000. Betty makes $36,000. How much is each taxed? b. Write a piecewise function T that specifies the total tax on an income of...
*January 28, 2014*

**english**

The plane came down later than expected. In this sentence ,what part of speech is the word down?
*January 17, 2014*

**Algebra**

I need help understanding algebra
*January 11, 2014*

**math**

Kira walked at a faster rate.😉
*January 1, 2014*

**Math**

You're formula Reiny is right, but your numbers are incorrect. You should only use 12 hours not 36 as the patient received the medication at midnight and going to noon is only 12 hours. Therefore the answer is 12.61mg left in the bloodstream.
*December 14, 2013*

**Calculus I don't understand**

Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y = 10 x and y = 5 x^2 about y =0 Find the volume of the solid obtained by rotating the region bounded by y=8 x^2, x = 1, and y = 0 , about the x-axis. I saw some...
*December 4, 2013*

**Math - Algebra 2**

THANK YOU! THANK YOU! THANK YOU!!!
*December 1, 2013*

**Math - Algebra 2**

I have tried several times to solve this. I have 3 points (0,-5), (3, -6), (-3,-7). I'm trying to get the quadratic equation. I keep getting y=(-1/6)x^2+ (1/6)x +0. When i plug in other numbers to check it's not the parabola facing down like my image. Please help!
*December 1, 2013*

**DE Science**

I am thinking A. A scientist claims plants and animals that exhibit reproductive cycles based on the changing seasons are highly affected by climate change. What is the correct justification of the scientist's claims? A) Climate change can cause a timing mismatch of energy...
*November 14, 2013*

**math**

The permutataion of 7 the arrangement number of the seven music files would be 7*5*4*3*2*1=
*November 14, 2013*

**algebra**

If a Realtor earns ^% commission for selling a $70,000 home, what is the amount of the commission?
*November 12, 2013*

**algebra**

There are two-digit perfect squares whose square roots are the same as their units digits. What is the sum of these squares?
*November 12, 2013*

**Physics**

Piston Circle 1 in the figure below has a diameter of 0.29 in.; Piston Circle 2 has a diameter of 1.7 in. In the absence of friction, determine the force vector F necessary to support the 500-lb weight.
*November 7, 2013*

**Math**

Value Rent-a-Car rents a luxury car at a daily rate of $37.01 plus 10 cents a mile. A business person is allotted $100 for car rental each day. How many miles can the business person travel on the $100? _______miles
*October 28, 2013*

**Math**

A growing number of colleges are teaming up with banks to issue student ID cards that double as debit cards. There were 51 such partnerships in 2003. This number grew to 127 in 2006. What is the percent of increase?
*October 28, 2013*

**Algebra**

The formula B=30a is used in New England to estimate the minimum furnace output, B, in BTU's for a modern house with the amount of square feet of flooring, a a. determine the minimum furnace output for a 2000 ft2 modern house b. solve the formula for a What is the minimum ...
*October 28, 2013*

**accounting**

using the break-even equations to solve for price and variable cost per unit andromeda company's break-even point is 2,400 units. variable cost per unit is $42; total costs are 67,200 per year. what price does andromeda charge?
*October 25, 2013*

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