# Posts by matt

Total # Posts: 2,402

**Business**

1. After operating for 10 years, Zipcar, earlier this year (2013), was bought for $500 million by Avis, a leader in the car rental industry. With the acquisition of Zipcar, Avis will now surpass its direct competitors, Hertz and Enterprise.The deal is expected to be finalized ...

**Chemistry**

what mass of precipitate will form if 1.5L of concentrated pb(clo3)2 is mixed with .55L of.190 M NaI

**Math**

Thanks for the help.

**Math**

Simplfy the following expression - 3x + 5x + y+y+y I think the answer is 8x + 3y Would I be right? Thank You

**statistics**

A professor is interested in determining whether assigning mandatory homework affects students’ grades. He is currently teaching two sections of the same class; in one class, he assigns mandatory homework problems, while in the second class, he just recommends homework ...

**statistics**

A health psychologist, who is interested in childhood obesity, thinks that there may be a relationship between daily television viewing and eating habits. Data is collected from 500 children; for each child, information is collected on the number of hours of daily television ...

**statistics**

Researchers investigated the effects of encoding conditions on subsequent memory for a list of words. Participants were assigned to one of three encoding conditions: 1) saw list of nouns they were asked to remember (word alone condition), 2) list of words was accompanied by a ...

**physics**

A 1075 kg van, stopped at a traffic light, is hit directly in the rear by a 705 kg car traveling with a velocity of +2.06 m/s. Assume that the transmission of the van is in neutral, the brakes are not being applied, and the collision is elastic. What is the final velocity of ...

**Math help**

Please answer this 1 question!! 1.Which could be the name of a point? A. EF B. k C. Q D. MN

**Chemistry**

Consider the following reaction. 2 HCl(aq) + Ba(OH)2(aq) BaCl2(aq) + 2 H2O(l) ΔH = -118 kJ Calculate the heat when 114.8 mL of 0.500 M HCl is mixed with 300.0 mL of 0.400 M Ba(OH)2. Assuming that the temperature of both solutions was initially 25.0°C and that the ...

**Physics**

A bullet is fired from a rifle that is held 2.5 m above the ground in a horizontal position. The initial speed of the bullet is 1450 m/s. Find: (a) the time it takes for the bullet to strike the ground and (b) the horizontal distance traveled by the bullet.

**Math 116**

Well, you could say: since every square is a rectangle 'because it is a quadrilateral with all four angles right angles,' therefore the area didn't change.

**Math**

hint exterior angle is 360, minus 120 subtract total degrees of triangle

**c programming**

string[] dDate = dob.Split('/'); string dDay = dDate[0]; string dMonth = dDate[1]; string dYear = dDate[2]; if (Convert.ToInt32(dDay) > 01) { if (Convert.ToInt32(dMonth) == 01 || Convert.ToInt32(dMonth) == 03 || Convert.ToInt32(dMonth) == 05 || Convert.ToInt32(...

**Chem**

If not all the alum dissolves in the water before adding the Ba(NO3)2 solution, what effect will this have on the sulfate percent error determination?

**Chemistry**

How much heat would you need to melt 20.0 L of ice that had frozen on a fruit tree.

**math**

2 times

**math physics**

you forgot gravity

**@someone who can show me how to do this**

*infinite

**@someone who can show me how to do this**

infinate if x=1, then 6(1)+y=-3 6+y=-3 move the six y=-3+(-6) y=-9 or if x=-2, then 6(-2)+y=-3 -12+y=-3 subtract the twelve and add to the other side y=-3+(--12) two neg = positive thus y=-3 + 12 y=9

**physics**

5ms+16=21ms initial velocity (io) the delta v(t)=(ending velocity-io)/total deceleration time = (t)f/s^2 Thus, change in velocity = a t 0-21 = (t)f/s^2 second to top = t and therefore: d = Vi t + (1/2) a t^2

**chemistry**

First, find out how many moles of hydrogen there are Then, use Avagadro's Constant to find out how many atoms there are.

**economics**

ps is the difference between the amount that producers actually receive and the minimum amount that they would have to receive in order to supply the given level of output. On a graph, ps can be shown as the area above the supply curve and below the prevailing market price.

**chemistry**

the actual mass (g) = Number of moles x Molar mass, or m = n x M Number of moles of solute = Concentration (mol. L) x Volume of solution (liters) -1 or n = C x V

**economics**

that should have been answered in your other question

**Chem 30 Thermodynamics**

your temperature increase -or decrease- is given by the specific heat (S) of the object. (s)pecific heat = (new temp)/mass*change in temp. or if youre crazy, calculate the actual change in temp = heat added/(mass x specific heat) and compare it to actual (known) heat capacity ...

**math**

Trick question...you have 9 blocks!

**physics**

Use the third equation of motion velocity to displacement Your initial velocity is 15m/s Your final velocity is 0m/s displacement is 0m substitute the values and solve time

**physics**

If you don't have laminar flow, then you need to figure Quadratic Drag, drag force is proportional to the square of velocity and to the cross-sectional area of the object. For which you'll need to id the correct Reynolds Number

**physics**

given laminar flow, the drag force is proportional to the radius of the sphere and to its velocity. Double the radius, double the drag force. Double the velocity, double the drag force. This is known as Stokes Drag

**science**

yup

**physics**

Work=mgh

**pre calculus**

cscB - sinB = 1/sinB - sinB = (1 - sinB*sinB)/sinB = (1 - sin^2B)/sinB = cos^2B/sinB = cosB*(cosB/sinB) = cosB(cotB)

**math**

6500-2500=4000 4000/2=2000 2500+2000=4500 or 6500-2000=4500

**Abnormal Psychology**

youth/adults

**math**

a total of 4 km in one hr. if she did at the same rate that would be 4 kph Time=distance/walk speed + distance/run speed (ie. walk * 2) T(x)=D/X + D/X*2

**computer science programming**

def sum(number): # we are defining a function a = 0 #defines a = 0 becuase we start at 0 in python sum=0 # defines sum at zero because we start at 0 while a<checked_input: #check everytime if the a is redefined if it still is true sum = sum + (a+1)#combination of this line...

**computer science programming**

what language?

**3rd grade math**

35/5=7

**Econ**

Since quasilnear preferences is a special case of a utility function Then... u(x,y) = v(x) + y Taking the derivative and setting to zero, a condition for maximizing utility is v’(x) - p = 0 or p(x) = v’(x) p(x) vs x as inv demand function

**Physics**

Horizontal direction : IF angle is measured from y axis (vertical line) -> a(horizontal) = Fsin(32)/m IF angle is measured from horizontal -> a(horizontal) = Fcos(32)/m Vertical direction: [ here positive a means acceleration down, negative a means up] IF angle is ...

**physics**

The Temperature Coefficient of Copper (near room temperature) is +0.393 % per o C. This means if the temperature increases 1o C the resistance will increase 0.393%. does that help?

**Physics**

9.8 ballM/s^2

**Math: ALGEBRA**

How to solve this??? Solve for x. a+b= a+xy Solve for w. 2w+2h+L=p Solve for r. r(s+t)=u

**Math: ALGEBRA**

Omg thanks herp_derp

**Math: ALGEBRA**

How to solve this??? -1-8(x+12)> -44-8x -4(-12v-9)+6(-6+5v)> -4v+12v

**CHEM 111**

There are rules governing when a double displacement reaction actually takes place. Mixing these two solutions results only in a solution containing a mixture of Na+, NH4+ PO4 3- and Cl- ions. There is no reaction product. IE. the net ionic equation. This is not possible ...

**CHEM 111**

no reaction product

**finance**

interest rates dropping at 6% a year for 10 years?

**math**

divide by .66

**algebra**

50/3.6=13.8 lb

**Science 8**

2nd llaw: For example, you may realize, when looking for a car that the miles per gallon of a sports utility vehicle is always lower than that of a standard car. The reason behind this is explained in Newton’s Second Law. The mass of a sports utility vehicle is much ...

**Finance**

sorry about that, if the contract period is 12 months or less in duration, or if the contract produces a single outcome it's based on annual funding...otherwise incremental funding so A

**Finance**

appropriations are subject to the Annual Funding Policy...so B

**HEALTH**

yea

**Science**

metals/ceramics

**physics**

4π²R³ = T²GM and V²R = GM, where R = radius of orbit in metres, T = orbital period in seconds, V = orbital speed in m/s, G = gravitational constant ≈ 6.673×10−11 Nm²/kg², M = mass of Earth ≈ 5.98×1024 kg

**science**

nebular aggregation

**science 1 question**

last one is not significant, as 0 add's nothing to the data

**science 1 question**

343.2

**SS**

island/continent, desert/ocean, mountain/canyon

**Physics**

no takers?

**Physics**

also, any ideas of finding the exact gravitational force / gravitational acceleration data for my location?

**Physics**

I need to determine maximum tension/down force with a pendulum. I need to use the lightest string possible to: -support a 16kg bob, with -a velocity of 4m/s -with a swing radius of 2m -at it's equilibrium (ie 0 degrees) -given standard gravity. using T=m(V^2/r)+(g*cos(x)) ...

**geometry**

For every 10 yards on a football field, there is a boldly marked line labeled with the amount of yards. There are two parallel sidelines on each side of the field. If the 50 yard line is perpendicular to one of the sidelines, what is its relationship to the other sideline?

**CHECK PLEASE**

-_-

**CHECK PLEASE**

Find the best word to complete the sentence. 1. specter 2. specimens 3. reiterate 4. refuted 5. vigilant 1. Find the best word to complete the sentence. In Charles Dickens's A Christmas Carol, the ___ of Jacob Marley returns from the grave to haunt his business partner, ...

**History**

prophets

**statistics**

Slf-Esteem Scoresdepression Scores Mean 3.43 15.78 StrdDev 0.75 10.34 13. The above chart contains the means and standard deviations for self-esteem scores and depression scores. Using this information and the most likely correlation coefficient obtained in Question 12 (-.76...

**CHECK MY ANSWERS PLEASEEE**

Please and thank you :D 1.A 2.B 3.B 4.B 5.B 6.C 7.C 8.B and C 9.D 10.B 1.Who is most likely to study written records? A.historians B.archaeologists C.geologists 2.Which is a primary way an archaeologist would decide where a temple stood? A.evaluating clues on clay tablets B....

**Math-calculus**

At a certain point on the beach, a post sticks out of the sand, it's top being 76 cm above the beach. The depth of the water at the post varies sinusoidally with time due to the motion of the tides. The depth d is modeled by the equation d=40+60cos(PI/2(t-2)) where t is ...

**HELP**

Shane's seats at the concert were so far from the stage that he could not ____________ who was the lead singer and who was the guitarist

**CHECK PLEASE**

11.abhor : detest 12.infraction 13.resolute 14.infringe 15.abound 11.Find the pair of words that has the same kind of relationship as the numbered pair. abscond : flee :: A. ascertain : forget B. concise : cut C. discern : hide D. abhor : detest 12.In India, mistreatment of ...

**CHECK PLEASE**

The ones with ** ** around the answer choices is what I picked 1.Find the best word to complete the sentence. Because of the camera's precision, linesmen at national tennis competitions are now ___ from error in determining if a ball lands in or out of the court. A.**...

**CHECK PLEASE**

Please check my answers...the ones with ----then a answer choice (is my answer) 1. Find the best word to complete the sentence. My brother clung ___ to his belief that Alfred Hitchcock was the greatest film director of all time. (Points : 1) coherently ineptly -------...

**Physics**

does the mass always have to be in kilograms? If it is not, do we convert it to kg?

**Physics**

So the answer is 29.4? Our mass is 10.0 kg right?

**Physics**

If a block of mass 10.0 kg rests on a horizontal surface, and the coefficient of static friction is 0.300, what is the maximum static friction that can act on the block? If you could walk me step by step on completing this problem, I would be extremely grateful and it would be...

**Adverb objects 2 Check please**

6.B 7.C 8.A 9.B 10.B 6.Which words make up the adverb phrase in the sentence? Which word does the adverb phrase modify? After sunset the pack of coyotes howled loudly. A. howled loudly modifies coyotes B. the pack of modifies coyotes C. After sunset modifies howled D. coyotes ...

**Adverb Objects CHECK PLEASE**

Thanks...I will post my other set

**Adverb Objects CHECK PLEASE**

Thanks for checking my answers 1. D 2. C 3. C 4. C 5. D 1. Which words make up the adverb phrase in this sentence? After his speech,the politician greeted his supporters. A. his supporters B. greeted his C. the politician D. After his speech 2. Which words make up the adverb ...

**physics**

an object has a weight of 5.10 Newtons at sea level, where the acceleration due to gravity is 9.81 m/s squared. What is the acceleration due to gravity on the object if it is placed in a spaceship 1,000 km above sea level which gravity exerts a force of 3.81 Newtons on the object

**3 Direct Objects questions CHECK PLEASE**

THANK U I LOVE U !!!!

**3 Direct Objects questions CHECK PLEASE**

8.B 9.B 10.D 8.Which word in the sentence is the direct object? The vibration brings worms up to the surface. A.up B.worms C.vibration D.surface 9.Which word in the sentence is the direct object? Last week, the restaurant served three hundred meals. A.week B.meals C.three D....

**Direct objects 2 Check please**

Here is the rest 8.Which word in the sentence is the direct object? The vibration brings worms up to the surface. A.up B.worms C.vibration D.surface 9.Which word in the sentence is the direct object? Last week, the restaurant served three hundred meals. A.week B.meals C.three ...

**Direct objects 2 Check please**

sorry...WHY DOES THIS KEEP HAPPENING TO ME

**Direct objects 2 Check please**

Please check this is the last set of 5 questions thanks :D 6.A 7.C 8.B 9.B 10.D 6.Which word in the sentence is the direct object? Then we picked the ripe peaches from the sagging branches. A.peaches B.ripe C.branches D.sagging 7.Which word in the sentence is the direct object...

**Direct objects please check ASAP**

can you help with 4?

**Direct objects please check ASAP**

1.D 2.C and A 3.canoe 4.D 5.B and E 2.Which words in the sentence are the direct objects? The woman grows tomatoes and cucumbers in her garden. Choose all answers that are correct. A.tomatoes B.woman C.cucumbers D.garden E.grows 3.Which word in the sentence is the direct ...

**(adverb phrases) (studyguide help please)**

After his speech, the politician greeted his supporters. A.his supporters B.greeted his C.the politician D.After his speech

**Help**

all I have are 10 questions from a study guide would that work?

**Help**

Completely lost. Thanks

**Help**

Im trying to study but I need to know what (adverb phrases) are? 1.Please tell me what they are? 2.Please tell me how to identify them in a scentence? Please don't give me a link with a huge text of extra stuff...I just want to know how to identify them and what they are. ...

**PLEASE CHECK ASAP**

thanks...I will post another 5 ok Please delete this

**PLEASE CHECK ASAP**

Thanks for checking 1.D 2.C 3.B 4.C 5.C 1.According to "Michael Faraday's World," which intrigued Michael Faraday? A.automobiles B.airplanes C.photography D.batteries 2.How are the operating room in the Williams story and the atom-splitting lab in the Fermi story...

**PLEASE CHECK ASAP!**

Thanks for checking 1.D 2.C 3.B 4.C 5.C 1.According to "Michael Faraday's World," which intrigued Michael Faraday? A.automobiles B.airplanes C.photography D.batteries 2.How are the operating room in the Williams story and the atom-splitting lab in the Fermi story...

**math check PLEASE**

im stupid ok

**math check PLEASE**

which fraction si greater than -7/5? a.-5/9 b.-6/11 c.-1/2 d.-4/9 i think its A

**math**

the x is 2029 the year i think