Thursday
September 29, 2016

Posts by Alex

Total # Posts: 3,496

Chemistry
If a solution has a large Kb value, will it have a high pH?
January 17, 2016

geometry
thanks
January 16, 2016

geometry
how can i convert radians to degrees?
January 16, 2016

math
The perimeter of an equilateral triangle is 33.6 cm. How long is one side?
January 15, 2016

math
A jet flies at an altitude of 52,800 feet. What is the height of the jet in miles?
January 14, 2016

Science
Thank you
January 13, 2016

Science
which of the following is an example of a cyclic behavior that is seasonal? a. running from predators b. searching for water c. hunting at night d. migrating for warmth** I think its d
January 13, 2016

Physics
The rear window in a car is approximately a rectangle, 1.31 m wide and 0.390 m high. The inside rear-view mirror is 0.440 m from the driver's eyes, and 1.42 m from the rear window. What is the minimum height of the rear-view mirror if the driver is to be able to see the ...
January 8, 2016

algebra
i am trying to find the function equation knowing what x and y are. table: x | 0 | 9 | 8 | -3 | 2 | -5 | 20 f(x) | -1 | 4 | 4 | 2 | 9 | 8 | 0 problems: a. f(-3) b. f(20) c. If f(x) = 9, what is x? d. if f(x) - 4, what is x? these are some of the problems and i need to find an ...
January 5, 2016

Math geometry
An architect is designing an A-frame cottage for a resort. A cross section of the cottage is an isosceles triangle. The front wall of the cottage must accommodate a sliding door. Knowing that the architect is allowed a rectangular space of 240 m³ in volume to build inside...
December 28, 2015

Math
8x - 3x = 15 //Combine like terms 5x = 15 //Divide both sides by 5 to get x on one side 5x / 5 = 15 / 5 x = 3 //Test 8(3) - 3(3) = 15 24 - 9 = 15
December 20, 2015

math app
A salmon can swim 20 feet/sec downstream in a river. The salmon swims upstream at a rate of 6 feet/sec. Find the speed of the current. How do I set up the equation?
December 16, 2015

American History
Political parties are a principal means by which the people’s will is made known to the government and government is held accountable to the people. Briefly describe party functions that achieve these goals.
December 15, 2015

American History
Many people think that political parties make the will of the people known to government. They also argue that political parties hold the government accountable to the people. Think about what political parties do. Briefly describe how political parties keep government ...
December 15, 2015

Language Arts
Ok the ones I am not sure about are 2,3, 6, 7. Sorry I picked 4 its just I am confused about those
December 11, 2015

Language Arts
1. Which sentence contains an opinion? (1 point) Thomas Jefferson supported American independence from Great Britain. He was a lawyer in his home state of Virginia. Jefferson authored the Declaration of Independence, the most important document in history.•• He ...
December 11, 2015

trigonometry
Solution of problem:from the top of a building 55 ft high, the angle of elevation of the top of a vertical pole is 12 degrees, At the bottom of the building, the angle of elevation of the top of the pole is 24 degrees. find the height of the pole.
December 4, 2015

Math
Fifteen Grade 2 children rode bicycle to school. Seventeen Grade 3 children rode bicycle to school. How many children in Grades 2and3 rode bicycles to school?
December 3, 2015

Pre calculus
Ok, thanks!
December 3, 2015

Pre calculus
Or d?? Actually, i think its D. Am i correct?
December 3, 2015

Pre calculus
So, C?
December 3, 2015

Pre calculus
Find the domain of the function. f(x) = sqrt 6-x A. (-∞, 6) (6, ∞) B. (-∞, sqrt6 ) (sqrt 6 , ∞) C. (-∞, sqrt6] D. (-∞, 6]
December 3, 2015

Physical Education 16-20
16. Identical twins often have similar interests even if they were not raised together. This shows how _______ influences personality development. modeling. a peer group. the environment. heredity.•• 17. People who lack self-respect likely have (1 point) a learned ...
December 3, 2015

Physical Education 11-15
11. __________ can help you reach your goals. (1 point) Eustress•• Distress A phobia A compulsion 12. Which of the following is NOT typically a stressor? (1 point) going for a walk•• missing the bus a fire alarm blaring a final exam 13. A person who ...
December 3, 2015

Physical Education 1-10
1. One of your friends plays video games for at least six hours each day and gets upset when he has to go eat dinner with his family. This is a sign of an anxiety disorder.•• a phobia. bipolar disorder. an impulse-control disorder. 2. A phobia is an example of a(n) (...
December 3, 2015

financial mgmt
Suppose a project has a $2,000,000 net investment and net cash flows (NCFs) of $700,000 annually for 7 years. If the investor's required rate of return is 10%, what is the NPV of this project?
December 1, 2015

Physics
Using 3 – 4 sentences, explain, in your own words, two ways you could cause an electrical current using only a wire and a horseshoe magnet.
November 30, 2015

microeconomics
A beekeeper and a farmer with an apple orchard are neighbors. This is convenient for the orchard owner since the bees pollinate the apple trees: one beehive pollinates one acre of orchard. Unfortunately, there are not enough bees next door to pollinate the whole orchard and ...
November 27, 2015

multiple choice economics
Milk is considered a commodity because it is which of the following? A. bought in many different ways B. an inexpensive product C. the same no matter who sells it D. an agricultural product I think C..?
November 23, 2015

multiple choice economics
C?
November 23, 2015

multiple choice economics
Advances in technology have reduced the cost of manufacturing MP3 players. If demand does not change, A. more MP3 players will be sold at a higher price. B. fewer MP3 players will be sold at a higher price. C. more MP3 players will be sold at a lower price. D. fewer MP3 ...
November 23, 2015

Chemistry
A sample of Br2(g) takes 38.0 min to effuse through a membrane. How long would it take the same number of moles of Ar(g) to effuse through the same membrane?
November 19, 2015

Chemistry
2.16
November 19, 2015

Chemistry
CO(g) effuses at a rate that is ______ times that of Xe(g) under the same conditions.
November 19, 2015

multiple choice economics
How does a person’s perception of a good as a necessity or a luxury affect his or her purchase of it? A. If a good is perceived as a luxury, demand becomes elastic. B. People who have a lot of money will buy goods even if they think they are a luxury. C. A good that is ...
November 19, 2015

multiple choice economics
Which law allowed states to pass right-to-work laws? A. Fair Labor and Standards Act of 1938 B. Taft-Hartley Act of 1947 C. Equal Pay Act of 1963 D. Civil Rights Act of 1964 I think its D
November 19, 2015

physics
A 70 kg man stands at the end of a 12 m long platform. The end opposite to the man rests on the edge of a wall, and a support column is located a distance d = 3 m from the end with the man. The platform itself has a mass of 300 kg. (a) How much weight does the column support...
November 18, 2015

Science: Chemistry
How many kilojoules are released when 115 g of Si reacts with chlorine? Si(s)+2Cl2(g)→SiCl4(g)ΔH=−657kJ
November 15, 2015

Science: Chemistry
Pentane (C5H12) burns in oxygen to produce carbon dioxide and water. C5H12(g)+8O2(g)→5CO2(g)+6H2O(g) Calculate the mass of CO2 that can be produced if the reaction of 38.5 g of pentane and sufficient oxygen has a 58.0 % yield.
November 15, 2015

Algebra
ok heres what you shuold do Step 1:Draw the side view of your roller coaster on graph paper. For the sake of simplicity, assume that your roller coaster track never turns left or right. o In order to gain speed, the roller coaster should have an initial climb, at least two ...
November 15, 2015

chemistry
A standard sodium carbonate solution is prepared in a 250 cm^3 volumetric flask during a titration,20 cm^3 of a 0,1 mol.dm^-3 nitric acid solution neutralises 25 cm^3 of the above standard solution according to the following balanced equation 2HNO3(aq) Na2CO3(aq)=>2NaNO3(aq...
November 15, 2015

Chemistry
If the 50.00mL sample from problem 3 above was titrated with EDTA,what volume of a 0.00420 M EDTA solution would be needed to reach the endpoint? (Your answer should be given in milliliters.) (Problem 3 found that .0000625 moles of calcium carbonate were present in the sample)
November 13, 2015

Vocab
Choose the analogy below with the same relationship as - Downside is to Upside A. Big is large B. Outside is to inside C. Boy is to girl D. Unique is to Generic B??
November 12, 2015

Vocab
I’m excited about my vacation. The beach has been calling my name. A. Personification B. Irony C. Hyperbole D. Onomatopoeia A??
November 12, 2015

Vocab
My mom told me not to worry. We will cross that bridge when we come to it. A. Hyperbole B. Simile C. Metaphor D. Cliche D?
November 12, 2015

Vocab
That car is so expensive; it costs an arm and a leg. A. Pun B. Idiom C. Personification D. Metaphor Im debating between a pun and personification...???
November 12, 2015

Vocab
thank you Ms.Sue :)
November 12, 2015

Vocab
This movie is so boring; it’s like watching grass grow. A. Imagery B. Simile C. Pun D. Antithesis B????
November 12, 2015

Vocab
Valuable Goods A. Finances B. Records C. Stocks D. Commodities C
November 12, 2015

Vocab
A poem that is told in an actual manner. A. Lyrics B. Ballard C. Sonnet D. Genre C
November 12, 2015

Vocab
its deff C
November 12, 2015

Vocab
i think D
November 12, 2015

Vocab
B?
November 12, 2015

Vocab
An exclusive control like in a business A. Bureaucracy B. Balance and Trade C. Monopoly D. Checks and Balances A???
November 12, 2015

Vocab
A Person who works and provides services for a fee, but not a full time employee. A. Vendor B. Broker C. Contractor D. Appraiser I think it would be C...?
November 12, 2015

Spanish
Por la mañana me levanto y generalmente me lavo los dientes. Entonces me gusta ducharme y secarme el pelo. Como pongo mi maquillaje, escucho mi música en mi iPod con auriculares. Después de eso, yo hago mi cama y yo limpio mi habitación. Siempre ...
November 6, 2015

Spanish
Mi día festivo favorito es la Navidad. Cuando era más joven, mis padres me llevarían a comer. Fue muy especial para mí porque llegamos juntos como una familia y yo llegamos a pedí mi plato favorito. Después de que volver a comer, nos ...
November 6, 2015

Spanish
An elementary bilingual teacher asks you to come to her class to talk to her students about how you used to celebrate the holidays with your family. First you want your Spanish teacher to hear what you plan to say. Be sure to include where you used to celebrate most family ...
November 6, 2015

Calculus
Test for convergence: (n+5)/((n^7+n^2)^(1/3)) from 1 to inf. I cannot figure out which test to use. any help would be great!
November 6, 2015

maths
a lighthouse flashes 3 seconds the second 4 and the third 5 seconds they flash initially al together when will they flash again together
November 4, 2015

math
most characters at disney world have a height requirement between 4ft and 6ft. find the percetage of women metting the requirement if M= 63.8 in and q = 2.4 in
November 3, 2015

math
to win the lotto you must choose six different numbers from 1 to 44 to match the same numbers drawn. the order of the numbers does not matter. what is the probability of winning
November 3, 2015

Math
What is the unit rate in 10 gallons in 2
November 3, 2015

math
How can knowing the multiplication properties help You multiply 5x(2x6)?
November 2, 2015

Phyics
A pool ball leaves a 0.75-meter high table with an initial horizontal velocity of 30 m/s. Predict the time required for the pool ball to fall to the ground.
November 2, 2015

Math
The equilateral triangle with 4 cm side is decreasing infinitely by 1/2. Determine the area of the triangles.
October 30, 2015

Physics
kd^2/(2mg(sinθ+μcosθ))
October 30, 2015

Science
Do you go to Connections?
October 29, 2015

history
Hey Reed, are you tutor?
October 29, 2015

Trigonometry
Determine the general solution of Sin2x=4cos2x thanks in advance
October 26, 2015

Chemistry
1. A typical bathtub can hold 102 gallons of water. Calculate the mass of natural gas that would need to be burned to heat the water for a tub of this size from 63 ◦F to 98 ◦F. Assume that the natural gas is pure methane (CH4) and that the products of combustion ...
October 25, 2015

Spanish
Your teacher has to decide who will share hotel rooms during your class trip to Mexico. What could you say about your morning routine so that your teacher can choose your roommate? Give as many details as possible so that he or she can determine if you are really compatible ...
October 23, 2015

Spanish
An elementary bilingual teacher asks you to come to her class to talk to her students about how you used to celebrate the holidays with your family. First you want your Spanish teacher to hear what you plan to say. Be sure to include where you used to celebrate most family ...
October 23, 2015

Spanish
thank you so much!
October 23, 2015

Spanish
Read the description of Ana’s eighth birthday celebration. Write bien or mal to describe how the guest behaved. Then write a sentence that supports your answer. ¿Cómo se portaba Susana? ¿Por qué crees eso? 1. Todos los niños le regalaron...
October 23, 2015

Spanish
While flipping through a magazine, Susi sees an article listing tips for driving safely. Write the numbers of 2 suggestions from the list that should NOT appear in the article. Los principales consejos para manejar 1. Para completamente en la señal de parada. 2. Maneja ...
October 23, 2015

Spanish
Thank you Patrick!
October 23, 2015

Spanish
Answer the following question. Follow the model. Modelo ¿Cuánto tiempo hace que no vas al cine? Hace tres meses que no voy al cine. ¿Cuánto tiempo hace que Uds. saben navegar en la Red? ????
October 23, 2015

Spanish
the given model example was sacar un libro de la biblioteca and the answer was Lo saqué. The problem is asking me to take echar una carta and I'm supposed to correctly write a sentence that Margarita has accomplished this task.
October 23, 2015

Spanish
Write the sentences Margarita would say to indicate that she has completed the errand specified in the prompt. Use the appropriate direct object pronouns (lo, los, la, las). Modelo sacar un libro de la biblioteca Lo saqué. echar una carta ????
October 23, 2015

spanish
thank you!
October 23, 2015

spanish
Eugenio is talking about what he used to do when he was a child. Write the appropriate vocabulary word or words in Spanish that match the meanings of the underlined words. Cuando era pequeño tenía muchos juguetes. Cuando era pequeño: _______ what other ...
October 23, 2015

Physics
A 4.36 kg block free to move on a horizontal, frictionless surface is attached to one end of a light horizontal spring. The other end of the spring is fixed. The spring is compressed 0.144 m from equilibrium and is then released. The speed of the block is 1.18 m/s when it ...
October 22, 2015

Chem
2HNO3(aq) + Sr(OH)2(aq) --> 2H2O(l) + Sr(NO3)2(aq)? Write the net ionic equation, including the phases. 2H^+(aq) + 2OH(aq) ---> 2H2O(l) Am I correct?
October 22, 2015

grammer
patient
October 22, 2015

Science
Compute the number of grams if there are 10.7g of c2h6 in complete combustion
October 20, 2015

Science
Hot water has a higher density then cold water
October 19, 2015

organic chem
Predict the major substitution and elimination products for butane with a Ph atom and a I atom on the 2nd carbon when added with methanol and heat. iupac name of the structure if it had carbon atoms I think is 2 dimethyl butane
October 19, 2015

Chemistry
A sample of gas in a cylinder of volume 3.64 L at 275 K and 2.68 atm expands to 7.04 L by two different pathways. Path A is an isothermal, reversible expansion. Calculate the work for Path A. Answer in units of J What I did was basically W=-P(delta V) Which was -(2.68 atm)(3.4...
October 18, 2015

physics help
A block Q Of mass 70 kg is at rest on a table it is connected to block P By means two light inextensible strings knotted at S .A Third string is arranged in such a way that the string connecting block Q is horizontal. Calculate the maximum weight of block P for which block Q ...
October 16, 2015

algebra
Sal's Sandwich Shop sells wraps and sandwiches as part of its lunch specials. The profit on every sandwich is $2 and the profit on every wrap is $3. Sal made a profit of $1,470 from lunch specials last month. The equation 2x + 3y = 1,470 represents Sal's profits last ...
October 14, 2015

math
How much work is done when a 25 N block of wood is lifted 2.2 meters?
October 14, 2015

General Chemistry
A 0.179 g sample of a vitamin C tablet was titrated with 0.1000 M NaOH according to the procedure in this experiment. The titration required 7.08 mL of NaOH solution. How many moles of NaOH were used in the titration?
October 14, 2015

Chemistry
We did a titration lab, and one of the post-lab questions says: "the manufacturer of the vinegar used in this experiment claims that the vinegar contains 5% acetic acid by weight. Use your results and a density of 1g/mL to determine if this claim is true or false. So the ...
October 14, 2015

Chemistry
So would it be Cu + 2Cu+ = Cu2+ + 2Cu? I didn't change the electrons before for the half reaction.
October 10, 2015

Chemistry
Write the half reactions and the balanced equation for the galvanic cell Cu(s)| Cu2+(aq)|| Cu+(aq)| Cu(s). What is the smallest possible integer coefficient of Cu2+(aq) in the combined balanced equation? When put together the balanced equation is just Cu + Cu+ = Cu2+ + Cu. So ...
October 10, 2015

Programming
MyGoods sells Laptop, Printer, VGA cable and HDMI cable. The prices are as below: Items Price (RM) Laptop 2500.00 Printer 450.80 VGA Cable 20.65 HDMI cable 80.20 Write a program that allows the user to enter the total of item they wish to buy for each item. The program then ...
October 9, 2015

Statistics
Thank You
October 6, 2015

Statistics
1. If P(A) = 0.4 P(B) = 0.2 and P(A or B) = 0.5, find the sum of P(A and B) and P(A|B). -How would I even start this question? 2. Let A and B be two mutually exclusive events for which P(A) = 0.15 and P(B) = 0.3. Find P(A and B). -If it's mutually exclusive, wouldn't ...
October 6, 2015

Biology
Is the oval window soft or hard? Explain the advantage to your answer Personally I think it's soft and it's because being soft would it to be amplified to the ear hear things more clearly. Explain why a person with a sore throat may end up with a mild ear infection. I ...
October 4, 2015

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