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Posts by Alex

Total # Posts: 3,761

Math
correct, A

physics
A 1200kg car moves along a horizontal road at speed v0=23.3m/s,the road is wet, so the static friction coefficient between the road and the tires is only µs=0.209 and the kinetic friction coefficient is even lower µk=0.1463. The acceleration due to gravity is 9.8m/...

math
During a windstorm, part of the top of a flagpole breaks off. The broken top portion touches the ground at an angle of [c]5 deg 1[e] feet from its base (Note: if [e]=6, then 1[e]=16, and if [c]=3, then [c]5°=35°). how tall was the pole before the windstorm

chemistry
does it take time for oxygen and hydrogen to mix beucase of the room temperature?

chemistry
why is there no pop of pure oxygen and pure hydrogen?

Geology
(Magnetic inclination vs. latitude graph). Two igneous rocks crystallized at different times at the same geographic location on a continent. One rock crystallized at 120 Ma and records a magnetic inclination of 68 degrees; the second rock crystallized at 65 Ma and records a ...

chemistry
thanks bob

chemistry
what would be the name for these compounds? K3PO4? It's not Tripotassium phosphate. HCL? its not Hydrogen chloride.

trigonometry
tan3θ = 3tanθ - tan^3θ/ 1-3tan^2θ

Pre Calc
Find the vaule of sec(theta) for angle theta in standard position if the point at (3,-1) lies on its terminal side.

Math
Shadontay is going to the movies with two friends he buys a small popcorn that cost $2 the tickets and 1 popcorn cause a total $29 how much does one ticket cost

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

geometry
thanks

geometry
how can i convert radians to degrees?

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

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

Science
Thank you

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

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 ...

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 ...

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...

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

Math
Are these right or not

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?

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.

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 ...

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

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 ...

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.

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?

Pre calculus
Ok, thanks!

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

Pre calculus
So, C?

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

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 ...

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 ...

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) (...

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?

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.

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 ...

Math
1 gallon

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..?

multiple choice economics
C?

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 ...

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?

Chemistry
2.16

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

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 ...

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

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...

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

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.

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 ...

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...

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)

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??

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

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?

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...???

Vocab
thank you Ms.Sue :)

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

Vocab
Valuable Goods A. Finances B. Records C. Stocks D. Commodities C

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

Vocab
its deff C

Vocab
i think D

Vocab
B?

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

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...?

SS-Please Help!!!
@teacher Haha it's not the person's fault that the school system is sh*t

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 ...

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 ...

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 ...

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!

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

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

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

Math
What is the unit rate in 10 gallons in 2

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

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.

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

Physics
kd^2/(2mg(sinθ+μcosθ))

Science
Do you go to Connections?

history
Hey Reed, are you tutor?

Trigonometry
Determine the general solution of Sin2x=4cos2x thanks in advance

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 ...

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 ...

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 ...

Spanish
thank you so much!

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...

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 ...

Spanish
Thank you Patrick!

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? ????

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.

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 ????

spanish
thank you!

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 ...

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 ...

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?

grammar
patient

Science
Compute the number of grams if there are 10.7g of c2h6 in complete combustion

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