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Posts by shawn

Total # Posts: 579

Physics
Based on the velocity vs time graph we can create a slope and equation of the line. The slope is y2-y1/x2-x1 or (5+4)/(3-0). This gives us a slope of 3. The y intercept of the V vs T graph is -4 so our Vx equation is 3t-4. The derivative of this equation is 3m/s^2 which gives ...

Physics
A ship maneuvers to within 2500 m of an island's 1800 m high mountain peak and fires a projectile at an enemy ship 610 m on the other side of the peak, as illustrated in Figure 3-29. If the ship shoots the projectile with an initial velocity of v = 256 m/s at an angle of...

Physics
A spy in a speed boat is being chased down a river by government officials in a larger craft. If the spy travels at 26 m/s and the officials travel at a speed of 14 m/s, how far from each other will the two vessels land after they fly off a 5.0 m waterfall?

algebra
What is the quotient if the dividend is 1/2 & the divisor is 1/8?

intermediate algebra
x^2-25/x^2+11x+24

Business Finance
2,102,000

Physics
a)91.0 km b)53.5 km/h

business math
Is the answer Mel will $500

US History (Finals Tomorrow Pleasee Help)
what were the important political parties since the election of Andrew Jackson as president to the end of the reconstruction, when the country was left with only two major parties, racially and regionally divided? Include third parties. What did they stand for. Who voted for ...

US History (Finals Tomorrow Please Help)
Keeping in mind how the expansion of U.S. territory westward threatened the delicate balance of power in congress between free and slave states and Lincoln's stance on slavery, describe how key events (such as land acquisitions, agreements about how new territories should ...

u.s history
Keeping in mind how the expansion of U.S. territory westward threatened the delicate balance of power in congress between free and slave states and Lincoln's stance on slavery, describe how key events (such as land acquisitions, agreements about how new territories should ...

u.s history
what were the important political parties since the election of Andrew Jackson as president to the end of the reconstruction, when the country was left with only two major parties, racially and regionally divided? Include third parties. What did they stand for. Who voted for ...

physics
you spend 30.0 minutes on a stair-climbing machine, climbing at a rate of 80 steps per minute, with each step 8.00 inches high. If you weigh 150 lb and the machine reports that 690 kcal have been burned at the end of the workout, what efficiency is the machine using in ...

Physics
How did you get the first part?

Math
what is the apr if the amount Financed $3500; Interest Charged $ 675; Number of Payments 24

spanish
What word best completes this sentence. ¿Dónde están Uds.? (Está) (Estás) (Estoy) (Estamos) en la clase de ciencias naturales.

spanish
What word best fits this Sentence. ¿Dónde están Uds.? (Está) (Estás) (Estoy) (Estamos) en la clase de ciencias naturales.

spanish
What word best fits this sentence? Que necesitas para la clase de ciencias naturales?________ un diccionario! (Necesitamos) (Necesito) (Necesitan) (Necesita)

spanish
Which word best fits this sentence. La clase de ciencias sociales es (facil) (aburrida) (dificil) (divertida). Hay mucha tarea todos los dias.

Spanish
I am trying to complete this Paragraph using these 7 words. 1. eres 2. soy 3. aveces 4. deportista 5. segun 6. le gusta 7. se llama. Some of the words can be used twice. Como se llama tu amigo.__________1. Kiko. Que _________2.hacer? Pues,__________3. practicar deportes y ...

spanish
Can you give me a example of what two friends do and don't like written in Spanish in an Essay.

calculus
Given f(x)=sin(x)-2cos(x) on the interval [0,2pi]. a) Determine where the function is increasing and decreasing. b) Determine where the function is concave up and concave down. ________________________________________ I know: f′(x)=cos(x)+2sin(x) f″(x)=-sin(x)+2cos...

math
14/15=2x

english
the comment of one little boy was especially movinng

spanish
How do you say 5:20,10:45,1:15,7:30,6:42 all in spanish

Business/entrepreneur
Describe how the owner uses capital and human resources to ensure revenue or control.

math
how can estimating help you add two- digit numbers?

math
simplify 20 minus 16 divided by 4 times 5 plus 10

help please
i think is D

psychology
The blind man and the elephant is a metaphor that shows how

Information literacy
Which of the following is an article from a popular magazine?

algebra 1
7x+8(2y+2x)

statistics
For each of the following samples that were given an experimental treatment, test whether these samples represent populations that are different from the general population: (a) a sample of 10 with a mean of 44, (b) a sample of 1 with a mean of 48. The general population of ...

math 111c
how long will it take for $2600 to grow to $20,400 at an interest rate of 6.1% if the interest is compounded continuously?

Psychology
kay Thanks

Psychology
wait can it be C?

Psychology
kay thanks

Psychology
Dr. Kyle shared the newspaper clipping with his class. "This is an unusual case, but I believe the punishment phase of the trial would have been different in another state. The crime was committed, but the defendant is not in touch with reality most of the time." Dr...

math
10. Use this figure to answer the following six questions in the essay box. is a diameter. is a tangent. a. m1 and m2b. m3c. m d. m4e. m5f. m

Into to busineess
How can lean manufacturing and near-sourcing help a company gain a competitive edge and prepare for the future

algebra
27.17 96.65

math
Convert to decimal notation. 2/3

algebra
The area A of a parallelogram with base b and height h is given by A= bh. Find the area of the parallelogram when the height is 15.4 cm and the base is 6.5cm

algebra
The area A of a triangle with base b and height h is given by A=1/2bh. Find the area when b=45m(meters) and h=86m.

trig
if point P is a point on the terminal side of 0, and 0 is in standard position, find sin 0,cos 0 and tan 0. 1. P(-6,8) 2. P (1,3) 3. P (-2,-40), 4. P (-5, -12)

trig
If cos 0 = - 1/2 and tan 0 > 0, find the quadrant that contains the terminal side of 0, and then find the exact values of the other five trig functions of 0.

trig
if sin 0 > 0 and tan 0 < 0, what quadrant contains the terminal side of 0.

Math
The Great Pyramid of Giza has a square base with side length of 755 ft. and an original height of 481 ft. Determine its original surface area to the nearest square foot.

Physics
what is the formula used to find time with an Vo at 0, Vf at 22 m/s2, and a constant velocity at 1.7 m/s2?

Algebra Please Help
I have been out of school for a long time and not understanding these questions. Please help why is 5^0=1 can you explain when (-3)^n is positive and when it is negative.

com155
Did the recommendation change the way you previously thought about buying vs. leasing a car?

Chemistry
Really? This is your equation for part A? **Please do not use this or it will be wrong..

Chemistry
Please help! Answer the following for a body centered unit cell. Crystalline Solids Program Answers should be numerical, set r = 4.0. edge in terms of r, the lattice pt radius: face diagonal in terms of r, the lattice pt radius: body diagonal in terms of r, the lattice pt radius:

Chemistry
Please help! Answer the following for a body centered unit cell. Crystalline Solids Program Answers should be numerical, set r = 4.0. edge in terms of r, the lattice pt radius: face diagonal in terms of r, the lattice pt radius: body diagonal in terms of r, the lattice pt radius:

Chemistry
Based on the results of problems 8 and 9 if the heat of formation of water is -286 kJ/mol, The H ffor CaO(s) is kJ/mol.

Chemistry
When 0.934 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 383C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant figures. Do not ...

Chemistry Lab
If the molecular mass for a chemical is 151.97 g/mol and the enthalpy of formation is -1128 kJ/mol, the heat change will bekJ when 10.0 g of this chemical is formed.

Chemistry Lab
When 0.671 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 109C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant figures. Do not ...

pre-algebra-is my answer right
5(2/5)-5/6=

computer science
What is an assembly language

Calculus
A baseball player hits a line drive to center field. He runs from second to third at 20 feet/sec. How fast is the distance from the runner to home plate changing when he is halfway to third base?

Physics
A 0.20-kg block rests on a frictionless level surface and is attached to a horizontally aligned spring with a spring constant of 40 N/m. The block is initially displaced 4.0 cm from the equilibrium point and then released to set up a simple harmonic motion. What is the speed ...

Physics
Thank You

Physics
The answer is 2450 J/K but I can't figure out how to get that.

Physics
The c with the line through it is a degree symbol, and the e is a ^ symble. I am sorry the computer put it in that way.

Physics
A 2.00-kg block of ice is at STP (0¢XC, 1 atm) while it melts completely to water. What is its change in entropy? (For ice, Lf = 3.34 „e 105 J/kg)

American History
1. True 2.b. 3.d. 4.a. 5.a.

American History
1.Did William Garrison and John Brown promote the same cause? true or false 2.The two most decisive battles of the Revolution were a. Trenton & Sarotoga b. Sarotoga and Yorktown c.Yorktown & Fallen Timbers d. Yorktown & Long Island 3.All of the following colonies were founded ...

Chemistry
-6.25

Statistics
Statistical Techniques in Business and Economics 15 edition three years after this post STILL has all the answers wrong for this section. 19. Correct answer is 97 21 correct answer is 196 23 correct answer is 554 25. E=.04,Z=1.96,p=.6, find N. N=576.24=577(round up)

chem
Calculate the number of moles of the indicated ion present in each of the following solutions. Na+ ion in 1.20 L of 0.183 M Na2SO4 solution = ?mol

Chemistry
1.8

calculus
find the first derivative of y=cos(/9t+11

Math
find the the 2nd derivative and set equal to zero in order to find inflection points of the function f(x)=1/(5x^2+4)

math
It is grater than 7 tens and less than 8 tens. The number has 4 ones

algebra
Use the distributive property to write an equivalent variable expression. -5(4j-1)

chemistry
how much energy is required to heat 1.00L of water from 20degrees celcius to 90degress celcius

math
1/10

math
adam frog can jump 4 times as far as sonya frog. sonya frog can jump 8 inches. use a picture and a number sentence to tell how many inches adam frog can jump

math
selecting three (3) coins, but assume that there are 5 dimes, 4 nickels, and 2 quarters. In how many possible ways can the selection be made so that the value of the coins is at least 25 cents?

chemistry
What is the freezing pint of 0.0091 m aqueous sodium phosphate, Na3PO4? Assume that sodium phosphate is a strong electrolyte and it functions ideally in solution. (express your answer in degrees Celsius)

English
Dangling modifiers - are these right? Second entry is my corrected version. 1. In 1883, massive destruction was caused by the eruption of the volcano Krakatoa, an event recently examined in the book Krakatoa: The Day the World Exploded. In 1883, the eruption of the volcano ...

Statistics
VW Golf: $250 Saab: $300 Mercedes $4200 Jaguar $300 Expected profit for 500 customers: $2,545,000

hardware
What is the maximum frequency output for a square wave from the HP 33120A Waveform Generator? I found the HP 33120A Waveform Generator on the Agilent website but I'm not sure how to figure out the problem.

CJS230- Corrections
I looked over the website you provided, and it gives some of what I am looking for, but still not all. My instructor has not provided me anything else to go on so Im kind of on my own here. Thank you for the website link though. Any other help would greatly be appreciated.

CJS230- Corrections
Final Project: A World Apart Germany and America · Resources: Appendix A and Corrections: The Fundamentals · Select a country outside of the United States and research its correctional system. · Write a 1,050- to 1,400-word paper in APA format comparing ...

history
The task of economic policy is to create a prosperous America. The unfinished task of prosperous Americans is to build a Great Society. Our accomplishments have been many; these tasks remain unfinished: > to achieve full employment without inflation; > to restore ...

Vectors
If vector a and b are unit vectors, and |a+b|= root3, determine (2a-5b) dot product(b+3a)

Math
an saw

computers
I have just started a basic class in programming and I am totally lost. Can someone help me out? I have to write pseudocodes and create flowchart and don't have a clue. I need help with the following: flowchart, pseudo-code, Input and Output variables, and also an Program ...

Ap Chemistry
What exactly is this question telling me to do? Write the balanced chemical equation for the dissociation of Cu(OH)2(s) in aqueous solution.

Managerial Econ
Chevrolet just announced a new incentive program that provides either $5,000 cash back or zero percent financing for up to seven years on Chevrolet Silverado pick-ups. How do you think the bottom line of Heartland Chevrolet in Liberty, MO will be impacted by this offer in the ...

Manangerial Econ
You manage a U.S. based company that makes #2 pencils that sell in a highly competitive market (your pencils are considered a standardized commodity by your customers). Your marketing data predicts that in the upcoming year overall industry production will fall by at least 5% ...

Physics
E2 (total) of rod (of length L = 9.15 mm) = 4.18 ×10^3 V/m. E1=1.76 x 10^3. E3=1.57 x 10^3. The rod consists of three sections of the same material but with different radii. The radius of section 3 is 2.27 mm. What is the radius of (a) section 1 and (b) section 2? If ...

12th grade
factor completely x^4-16=0

algebra
(2x^2-8x-42)/6x^2=(x^2-9)/x^2-3x How do you solve this problem? Please list the steps.. Thank You

Chemistry
Rank these acids from weakest to strongest: H2C2O4, HCO3-, H2PO4-, HCOOH.

Physics
The driver accelerates a 240.0 kg snowmobile, which results in a force being exerted that speeds up the snowmobile from 6.00 m/s to 28.0 m/s over a time interval of 60.0 s. b. What is the snowmobile's change in momentum? What is the impulse on the snowmobile? c. What is ...

college
closing inventory (under perpetual system): 125,000 x 30% = $37,500 (Income statement and bal sheet) Sales Revenue : $162,500 (Income Statement) Cost of goods sold (expense): 125,000 x 70% = $87,500 (Income Statement) Gross profit: 162,500 - 87,500= $75,000 (Income statement) ...

Chemistry
Suppose that 2.00 mol of HNO2 is dissolved in 1.00L of water at 25 degrees C. Because HNO2 is a weak acid, it is in equilibrium with the ions, H+ and NO2-. What are the concentrations of these ions at equilibrium?

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