Tuesday

July 29, 2014

July 29, 2014

Total # Posts: 932

**algebra**

if e=1/1! + 1/2! + 1/3! ... and i = the sqrt(-1) then C = -(-1)^(3/4) sqrt(e) or (-1)^(3/4) sqrt(e) both being complex numbers

**Math(Please help)**

you get x+4

**Math**

For the graph of (3-x)/(5x+2)^3: is the following information right? x-intercept: (3,0) y-intercept: (0,0.375) vertical asymptote: x= -0.4 horizontal asymptote: y=0 increasing: (4.7, infinity) decreasing: (-infinity, -0.4) (-0.4, 4.7) concave up: (-0.4, 6.4) concave down: (-in...

**physics**

the answer is

**9th grade**

Factorizing we get (x+2) (x+10) = 0 so x = -2 or x = -10

**Math**

expanding you will get 9a^4+24a^2+16 check back

**math**

one canned jucie drink is 15% orange jucie; another is 10% orange jucie. How many liters of each should be mixed together in order to get 5L that is 11% orange jucie? How many liter of the 15% orange jucie? how many liters of the 10% orange jucie?

**art 101**

Looking for an in-text citation for impressionism

**Chemistry II (College)**

How would I go about solving this problem? Can someone show me an equation that can be used? The decomposition of dimethyl ether at 504°C is a first-order reaction with a half-life of 27 min. (CH3)2O(g) CH4(g) + H2(g) + CO(g) What will be the total gas pressure after 2.18 ...

**Chemistry II (College)**

How would I go about solving this problem? Can someone show me an equation that can be used? The decomposition of dimethyl ether at 504°C is a first-order reaction with a half-life of 27 min. (CH3)2O(g) CH4(g) + H2(g) + CO(g) What will be the total gas pressure after 2.18 ...

**Chemistry II (College)**

How would I go about solving this problem? Can someone show me an equation that can be used? The decomposition of dimethyl ether at 504°C is a first-order reaction with a half-life of 27 min. (CH3)2O(g) CH4(g) + H2(g) + CO(g) (a) What will be the partial pressure of (CH3)2...

**trig**

The captain of a ship at sea sights a lighthouse which is 280 feet tall. The captain measures the the angle of elevation to the top of the lighthouse to be 25. How far is the ship from the base of the lighthouse?

**trig**

huh?

**trig**

A plane is flying at an elevation of 30000 feet. It is within sight of the airport and the pilot finds that the angle of depression to the airport is 18. Find the distance between the plane and the airport. Find the distance between a point on the ground directly below the pla...

**calculus**

How do you find the area of the intersection of the circles r=sinx and r=cosx?

**Physics**

A kayaker paddles with a power output of 50.0 W to maintain a steady speed of 1.30 m/s. Calculate the resistive force exerted by the water on the kayak. If the kayaker doubles her power output, and the resistive force due to the water remains the same, by what factor does the ...

**12th grade**

(x-2)(x+2)(x^2+4)= 0 Giving the solutions x= +2;-2;-2i;2i (i being the imaginary unit)

**Sociology**

What are the two social order views (contrasting) in the movie THE ISLAND (cloning)? Can someone explain to me what social order is

**physics**

try reading your book...

**chemistry**

A balloon has a volume of 2.75 liters at 25 degree celcus. What would the balloons volume be if the temperature is raised to 95 degree celcus and the pressure remains constant? please provide steps to get to answer

**chemistry**

If 4.57 grams of AgBr was isolated in a gravimetric analysis of a 9.30 gram sample, what is the % Br- by weight in the samples? please provide steps to get to answer

**chemistry**

when 50.0 ml of 2.00M KOH is reached with 50.0 ml of 2.00M HCl, the temperature rose from 20.0 degree celcus to 28.7 degree celcus. What is the heat generated by this neutralization? (Assume that the density fo the two 2 M solution is 2.00g/ml and that the heat capacity of the...

**chemistry**

I am still confused. If V=155 ml, T=308K, n=?, p= 1.1 atm. How do you get your R.

**chemistry**

How many moles of a gas are in a container with a volume of 155 milliliters at a temperature of 35 degree celcus and a pressure of 1.1 atmoshheres? Please provide steps to get answer

**chemistry**

If 3.51 grams of AgCl was precipitated from an unknown in a gravimetric analysis, how many grams of CL- does this represent? please explain the steps needed to get to the answer.

**chemistry**

Could you provide a little bit more clues i am still confused.

**chemistry**

Calculate the vapor pressure of water over each of the following ethylene glycol C2H6O2 solutions at 80 degree C (vp=pure water=657.6 mm Hg). Ethylene glycol can be assumed to be nonvolatile. (a) X (ethylene glycol)= 0.288 (b) % ethylene glycol by mass =39% (c) 2.42 m ethylene...

**Chemistry I**

a. 41.2% b. 58.8% c. 0.358 moles

**Chemistry I**

Acetone , C3H6), is the main ingredient of nail polish remover. A solution is made up by adding 35.0 ml of acetone (d=0.790g/ml) to 50.0ml of ethyl alchole, C2H6O (d=0.789 g/ml). summing volumes are additive, calculate (a). the mass percent of acetone in the solution. (b). the...

**grade 12 chem**

hi, does anyone know any good websites on practicing reactions of hydrocarbons?

**grade 12 chem**

hi, does anyone know any good websites on practicing reactions of hydrocarbons?

**grade 12 chem**

hi, does anyone know any good websites on practicing reactions of hydrocarbons?

**Fin**

Midland Chemical Co is negotiating a loan from Manhattan Bank and Trust. The small chemical company needs to borrow $500,000. The bank offers a rate of 8¼ percent with a 20 percent compensating balance requirement, or as an alternative, 9¾ percent with additional...

**Biology**

1 Could be the fact that carbon has 4 electrons in it's outer shell therefore bonds easily. 2 Could be that the Oxygen in the last three bonds with water

**9th grade Algebra**

what is the inverse function of g(x)= 3x+2?

**chemistry**

Which of the following has the largest molar mass? A. isopropanol B. Water C. ethanol

**Physics**

is there .136kg for 13.6g.....check that

**Social Science**

What does race and ethnicity mean?

**physics**

A runner traveling with an initial velocity of 3.0 m/s accelerates at a constant rate of 1.7 m/s2 for a time of 3 seconds. What distance does the runner cover during this process?

**Math**

Go to webmath, it's a site on the internet. When you get there click on home and scroll down to complex numbers, multiplying. There you can type in the problem and it will show you step by step how to do this. Your gonna love this site. Take care!

**Elimination method**

Solve by the elimination method. Is there a solution? 2r-5s= -11 5r+2s= 16

**Algebra**

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 40 miles per hour and train B is traveling at 60 miles per hour. Train A passes a station at 5:25 A.M. If train B passes the same station at 5:37 A.M, at what time will train B catch...

**Math**

Yes..thanks. I did that, but now I'm stuck, for some reason, on how to write what the rule for the function would be. The question asked: A freezer's temperature is decreasing at a rate of 5 degrees per hour. When the temperature was first measured, it was 50 degrees. ...

**Math**

I don't understand what the function would be for the following function table: When X is 1/Y=45 When X is 2/Y=40 When X is 3/Y=35 When X is 4/Y=30 When X is 5/Y=25 etc. So what would the function be? I can't get it. Thanks

**Probability**

A card that is not a ten and not a diamond is drawn. (out of an ordinary deck of 52 cards) For some reason, I am not coming up with the right answer. Can you work this out for me.. I keep getting 35/52...but I know that isn't right.

**Fin 200**

The Landis Corporation had 2008 sales of $100 million. The balance sheet items that vary directly with sales and the profit margin are as follows: How do I come up with the percent breakdowns to multiply by - such as 85%, 25% and 6%?

**Algebra**

So then would it be y= -5?

**Math**

I dont even know where or how to start.Im lost on these.

**Math**

Give the equation of a line perpendicular to the line y = 4x having the same y-intercept.

**Math**

Give the equation of the line that passes through point (5, 1) and is parallel to the line y = 3x – 1.

**Math**

Find the other endpoint of a line segment with the given midpoint and one endpoint. Endpoint (6, 4): midpoint (3, 5).

**Math**

A store sells a 1-liter container of juice for 75¢ and a 2-liter container for $1.40. Assume that the cost varies linearly with the number of liters, and find the slope of the line that shows the relationship. How many liters would be in a container that cost $3.35?

**Tim**

A store sells a 1-liter container of juice for 75¢ and a 2-liter container for $1.40. Assume that the cost varies linearly with the number of liters, and find the slope of the line that shows the relationship. How many liters would be in a container that cost $3.35?

**Math**

Solve the quadratic equation using any technique you wish. Name the technique. Check. 12x2 + 10x = 0

**Math**

Solve the linear equation using any technique you have learned. Name the technique. Check. 3x + 12 = -7x - 28

**Math**

State whether the given equation represents a linear, quadratic, or exponential function. Tell how you decided. y = -8x2 + 4

**Math**

Evaluate and tabulate the values of y for the value(s) given. y = 2x3, for x = -3, 0, 1, 4

**Math**

A store sells a 1-liter container of juice for 75¢ and a 2-liter container for $1.40. Assume that the cost varies linearly with the number of liters, and find the slope of the line that shows the relationship. How many liters would be in a container that cost $3.35?

**math**

If each side of a regular pentagon is X2 + 17 and each side of a regular hexagon is x2 + 2x, for what value or values of x will be the perimeters of the figures be equal

**math**

How would you solve this proportion 4/15=x/5

**math**

find the circumference and area of a circle with a diameter of 16 feet

**religion**

What is the relationship between Buddhism and the natural habitat? How does it help guide the modifications of the environment and shape the perception of nature?

**Math**

A study of Hub Furniture regarding the payment of invoices reveals the time from billing until payment is received follows the normal distribution. The mean time until payment is received is 20 days and the standard deviation is 5 days. a. What percent of the invoices are paid...

**Physics**

A vaulter holds a 20.7 N pole in equilibrium by exerting an upward force, U, with his leading hand, and a downward force, D, with his trailing hand. Let L1 = 0.71 m, L2 = 1.5 m, and L3 = 2.21 m. What are the magnitudes of U and D?

**Physics**

A vaulter holds a 20.7 N pole in equilibrium by exerting an upward force, U, with his leading hand, and a downward force, D, with his trailing hand. Let L1 = 0.71 m, L2 = 1.5 m, and L3 = 2.21 m. What are the magnitudes of U and D?

**Physics**

A vaulter holds a 20.7 N pole in equilibrium by exerting an upward force, U, with his leading hand, and a downward force, D, with his trailing hand. Let L1 = 0.71 m, L2 = 1.5 m, and L3 = 2.21 m. What are the magnitudes of U and D?

**Accounting**

Smith Company for the year ended December 31, has $169,000 recorded in the Debit column and $193,434 in the Credit column on the line for the Income Summary account. What were tht beginning and ending balances for Merchandise Inventory?.

**art**

Design elements and principles, have been used by most people for years these basics elements are color, line, shape, texture, and space. Color represents emotion and allows objects to stand out from the background. Lines represent order and give the eye explicit directions ab...

**Data Management**

Suppose that the populations of the three species are distributed as shown in the following table. You capture a frog, note its gender and species, and then release it. This process is repeated until you have captured and recorded 50 frogs. Species gen.ratio Species %total pop...

**Language**

What reference source would you use to find the address of the nearest music store?

**social studies**

How did Charlemagne gain the title Emperor of the Roman People from Pope Leo III? A. He inherited it from his father. B. The pope saw his concern for his people in the way he governed. C. He built a very large cathedral in Aachen and earned the pope’s respect. D. He aided...

**Quoting,Summarizing, and Paraphrasing Sources **

How so I write a summary for Gun Control Losing Ground with an in-text citation.

**Finance**

A. $823.15

**math**

Eight pennies are placed in a row on a tabletop. Every other coin is then replaced with a nickel. Every third coin is then replaced with a dime. finally, every fourth coin is replaced with a quarter. what is vaule of the eight coins noe on the table?

**physics**

At what projection angle will the range of a projectile equal to 6 times its maximum height? I know its easy but ive been absent and missed class!

**Self-esteem Positve or negative response**

A family member tells you he or she is disappointed that you have decided not to continue the family tradition of working in the healthcare field. How do you respond?

**Programming**

Actually I have a few questions: How do I create the removeLowest() method if the maximum number of nodes can be up to ten. I seem to be having problems with the toString() method, Any suggestions? Heres my code so far: import java.util.LinkedList; public class GameLinkedList ...

**Programming**

Anyone?

**Programming**

Hey guys, I seem to be having a bit of trouble with my assignement involving linked lists in java. The problem is with creating the node. My professor asks that we create a string and int in the node, but all examples that I have found only use one node. Heres the assignment: ...

**Calculus**

Two people, Paige and Sandy, are racing each other. Assume that both their accelerations are constant, Paige covers the last 1/8 of the race in 5 seconds, and Sandy covers the last 1/5 of the race in 8 seconds. Who wins, and by how much?

**college algebra**

-2/3x+y=2-->y=2+2/3x Then you substitute 2+2/3x for y in the second equation: 2x-3(2+2/3x)=6.

**English**

helping people/volunteer work

**Hurricanes are very dangerous**

could you help me find something that will help me write a paragraph on hurricanes are very dangerous to earth and people causing tremendous devastation.

**Critical Analysis**

how do you identify the principal issue presented by the source.

**Critical Analysis**

why and how could you apply critical thinking when evaluating each of the following? Articles, Advertising, media, and Conversation

**conceptual physics**

if you throw a ball straight upward at a speed of 10 m/s, how long will it take to reach zero speed? how long will take to return to its starting point? how fast will it be going when it returns to its sparting point?

**Hurricanes**

I need help writing a 1700 word essay on hurricanes can you provide help with that subject.

**Comprehensive grammar**

What is the rationale for Subject-verb agreement ;Some athletes have taken drug tests to prove they are not on steroids

**Essay**

I'm writing a essay on Hurricanes where can I find credible sources for my essay with intext citation or citation.

**Comprehensive grammar**

some athletes have taken drug test to prove they are not on steroids. What is the rationale for this?

**math**

What is the second derivative of e^(-1/x)?

**Math**

What is the rate of inflation of an item with a Consumer Price Index of 246.8 in 1991 and 362.4 in 1992? Round your answer to the nearest tenth. I would appreciate any help.

**calculus**

write the product in standard form (1-4i)(3-2i) (squareroot-4+i)(6-5i)

**algebra II**

write the sum or difference in the standard form a+bi (2-3i)+(6+5i) (squareroot5-3i)+(-2+squareroot-9)

**physics**

given a right triangle with hypotenuse of 12.5 cm, side y of 7.2 cm? find length of side x and size of other two angles? so you set it up as pythagoreum theory? 12.5= x^2 + 7.2

**physics**

so 0m/s + (10)(5) equals the final velocity and the answer would be 50 m/s? thanks for your help

**physics**

does vo stand for the initial velocity and would that be 0m/s

**physics**

A train accelerates from rest at a constant rate of 10 m/s^2. How fast is it going after 5 s?

**science**

part of a plant which was once a bud. i thought it was petal is that right?

**math 322**

write an algerbric expression using x as the variable - 16 times x?

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