Saturday
July 26, 2014

Posts by Matt


Total # Posts: 1,729

mathematics
Discuss the equation 2x^2-y^2+4x+4y-4=0 centrr, transverse axis, vertices foci TWo point s equation of asymptope x=2cost y=3cost 0 is less than or equal to t and t is less than or equal to pi. Find rectangular equation

Math
If Kate is flying a kite on the field and she lets out 20 meters of string and at the same time her friend Abigail is watching in the distance The angle of elevation of the kite from her position is 65 degrees And the angle of elevation of the kite from Abigail's position ...

math question
how do i do a problem like this becuase i got it wrong on my study guide and i want to know how to do it? A number cube is rolled 450 times.The number 3 comes up 67 times. a.What is the theoretical probability of rolling a 3? write your answer as a fraction in simplest form. b...

math question please
18 thanks i know how now

math question please
how do i solve this? I am asking because i have never done a problem like this or that i can remeber of, You are making your own pizza.You have 3 types of sauces,3 types of cheese,and 2 different toppings,If you choose only one of each type of ingredient,how many different piz...

math question
whoops here it is from a barrel of colored marbles,you randomly select 6 blue,4 yellow,2 red,3 green,and 5 purple marbles.Find the experimental probability of randomly selecting a marble that is not yellow. A.2/9 B.4/5 C.6/9 D.10/19

math question
How do i solve a problem like this? I took a study guide and i messed up on some problems so can i get some help on a few that i missed so i can know how to complete them??

math question check
i think its C. A bag of fruit contains 4 apples,1 plum,2 apricots,and 3 oranges.Pieces of fruit are drawn twice with replacement. What is P(apple,then apricot)? A.4/5 B.2/25 C.3/25 D.3/5

math question
i kinda think its D. because the definiton of independent is to doing something that has been done before so pulling a card from a deck when other players have already pulld serveral cards from that deck

math question
im not so sure on this but i think its A. Which of the following is an example of independent events? A.rolling two number cubes B.selecting marbles from a bag without replacement after each draw C.choosing and eating a piece of candy from a dish and then choosing another piec...

math question
so 15 because 20 is multiplied 15 times?

math question
300

math question
/how do i solve this? The probability of winning a game is 15%. If you play 20 times,how many times should you expect to win? A.5 times B.3 times C.6 times D.15 times

Biochemistry
Would nicotine undergo 1. oxidation 2. coupling with diazonium compounds 3. nitration How easy would it be for these reactions, when compared to benzene? Thanks! :)

Math (Pre-calc)
I need to know how to solve this for my review questions. Thanks! The wheel on a racing bike have a radius of 14 in. How fast is the cyclist traveling in mph if the wheels are turning at 280 revolutions per minute. find the exact value of the expression. Sin(2pi/3)+ tan(3pi/4)

math question
How do i solve this? If it helps i think its B. from how i did it but i dont think i worked it out right X/4 + 1= -6 A.2 B.-4 C.-22 D.-28

Chemistry
Hey guys so I was absent for my class and my teacher STILL wants me to figure out how to do limiting reactant and theoretical yield I tried Khan academy and it was no use. So basically the first question is : My data is : Mass of lead nitrate = 5.03g and Mass of Potassium Iodi...

english question
i think its A. or C. Which among the following sentences is the most effective opening line (hook)? A.I hope that if you will read my paper, you will believe me when I tell you that John F. Kennedy was not assassinated as the result of a plot but by a single assailant. B. &quo...

english question
i think its A.?? What are some ways to avoid plagiarism? A.only using the main ideas and important details from the website B.By giving credit for others’ ideas, images, and information found in various resources C.Using quotation marks D.All of the above

question?
english

question?
i think its A.?? What are some ways to avoid plagiarism? A.only using the main ideas and important details from the website B.By giving credit for others’ ideas, images, and information found in various resources C.Using quotation marks D.All of the above

Chemistry
A chemist has a supply of supersaturated CuSO4 solution that contains 230.0grams per litre of water. The chemist also has another supply of copper sulphate solution with a concentration of 150.0 grams per litre. What quantities of each copper sulphate solution should be mixed ...

science question
please check i think its B or D. Under which conditions are clouds formed from ice crystals? A.strong winds B.high altiude C.low humidity D.high pressure

Algebra II
can you help answer this question please; four algebra formulas for Amadeus traveled 760 miles in twice the time it took his nemesis Salieri to travel 220 miles. if Amadeus"s rate exceeded Salieri's by 40 miles per hour, what were the rate and time for each man?

english check answer plz !
i think its A. but i also got C. As you are reading your research paper aloud,you notice that all your sentences start the same way. What should you do A.revise some of the sentence so there is variety. B.read the sentences with a more engaging voice C.add definitons of specif...

english
Im trying to learn this sensory imagery thing. Please check i think its B. Which sentence below best demonstrates sensory imagery? A.There were cameras flashing everywhere and the exicited voices of the helpers probably scared him even more. B.we drove back to mombasa at a slo...

statistics
A student claims the average amount of time spent studying for an exam is less than or equal to 120 minutes. A random sample of 101 students is drawn from a normal distribution. The sample mean is 140 with a sample standard deviation of 20. Test the claim with a .01 level of s...

science check answer
i meant C.

science check answer
i think its B. Adding a _____________ to an electric circuit would increase the magnetic field around a wire. A. insulator B. solenoid C. resistor D. conductor

math?
how do i figuire this problem out? .. A deep-sea diver must descend and ascend in short steps to equalize pressure on his body. If the diver rises toward the surface too fast, he may suffer from a physical condition called “the bends.” Suppose the diver started at 82...

chemestry
what are the heats of fusion/vaporization & specific heats of nitroglycerin

statistics
A researcher was interested in assessing the effectiveness of the Statistics Diet as compared to a regular low calorie diet on weight loss. In the study, obese participants were randomly assigned to one of two groups: (1) the Statistics Diet, which required participants to cal...

statistics
A researcher was interested in assessing the effectiveness of the Statistics Diet as compared to a regular low calorie diet on weight loss. In the study, obese participants were randomly assigned to one of two groups: (1) the Statistics Diet, which required participants to cal...

statistics
17. A newspaper article reported that the typical American family spent an average of $75 for Easter candy last year. A sample of N=16 families this year reported spending a mean of $85, with a standard deviation of $20. What hypothesis testing technique should be used to dete...

statistics
A researcher was interested in assessing the effectiveness of the Statistics Diet as compared to a regular low calorie diet on weight loss. In the study, obese participants were randomly assigned to one of two groups: (1) the Statistics Diet, which required participants to cal...

statistics
A researcher was interested in assessing the effectiveness of the Statistics Diet as compared to a regular low calorie diet on weight loss. In the study, obese participants were randomly assigned to one of two groups: (1) the Statistics Diet, which required participants to cal...

statistics
A researcher was interested in assessing the effectiveness of the Statistics Diet as compared to a regular low calorie diet on weight loss. In the study, obese participants were randomly assigned to one of two groups: (1) the Statistics Diet, which required participants to cal...

questions
Hi i have a question about air pollution that comes out of cars?!?! where does it come from? is it the smoke coming out the back of the car?!?!? where !?!

questions
do you think that when a chinese couple has a baby that when the baby grows up he automatically knows spanish?? or is he taught? because my baby cousin grow up and just started talking !

questions
Grammar, spelling, and facts can someone tell me about that in south america????

Questions
can someone give me some facts about the environment in south america !?!?!?!?!?!

English check answer !
i think its C. Which of the following show the correct use of a colon? A. my tennis lesson begins exactly at 40:0 p.m. B. Dear: Ms.Hershel C.I have a doctor's appointment at 12:30 p.m.

Questions
Do you have anymore??

Questions
Can someone give me some reasons or a paragrah of why cuban and the U.S. goverments should encourage american tourism in cuba.

Questions
they didnt...but thanks

Questions
can someone tell me four recommendations that you can think of to help UNDP build a stronger Cuba. can you also explain each rocommendation you say so i can understand?

Questions
i have some questions about cuba that i was wondering about. does econmic growth in cuba need assistence?? does health in cuba need assistence? does forigen relations in cuba need assistence? does personal freedoms in cuba need assistence?

S.S
Can someone help me figuire out 4 recomendations to build a stronger cuba?

School Help
current conditions of health? and do they need UNDP Assistance ???

math question
If jack has a 63% as his grade.If he takes a test worth 9% and got 10/10 what would his grade be then?

English check answers !
no no no im sorry that was from another problem this is for this: 1 A? 2 A 3 B 4 C

English check answers !
1.B 2.C 3.C 4.A Read the following draft for a research paper on italian food. When you think of italian food,does your mouth always water for pizza or pasta? Actually,italian food includes a tremendous variety of dishers.These tasty morsels come from many different regions.Fo...

algebra
Can someone explain, showing steps, why this wouldn't have a solution? 12/(x^2+9) + 3/(x+3) = 2/(x-3) Thanks. :)

social studies (check answers)--Mrs.Sue
THanks and thanks again... 1.D 2.C 3.A Brazil’s culture reflects what unique aspect of its colonial history? A. its Roman Catholic missionary roots B. its ties to the West African slave trade C. its rule and settlement by the Portuguese D. its peaceful blending of native ...

social studies (check answers)--Mrs.Sue
Please check and Thanks so muchh. 1.A 2.B 3.C Brazil’s culture reflects what unique aspect of its colonial history? A. its Roman Catholic missionary roots B. its ties to the West African slave trade C. its rule and settlement by the Portuguese D. its peaceful blending of ...

social studies (check answers)--Mrs.Sue
Im a little rusty on these but please bare with me and check them thanks so much 1.B 2.B 3.C 4.A 5.D Wealth disparity in Brazil results mostly from A. unequal land distribution. B. insufficient arable land. C. lack of oil and mineral resources. D. emphasis on cash crop exports...

social studies (check answers)--Mrs.Sue
C. ??

social studies (check answers)--Mrs.Sue
Injures or bites or stings

social studies (check answers)--Mrs.Sue
1.D---B 2.D---C Economic globalization has had what negative impact on the Andes and the Pampas? A. increase in food production B. diversification of economies C. overfishing and more land clearing D. more job creation Brazil is best known for the A. Andes Mountains. B. Pampas...

social studies (check answers)
1.B 2.D 3.B 4.C 5.D 11.What contribution did Simón Bolivar and José de San Martín make to the history of the region? A. They served as prominent criollo leaders. B. They led the revolutions for independence. C. They instituted the first republican governme...

social studies (check answers)
1.B 2.D 3.B 4.C 5.D 11.What contribution did Simón Bolivar and José de San Martín make to the history of the region? A. They served as prominent criollo leaders. B. They led the revolutions for independence. C. They instituted the first republican governme...

science
reference point i forgot where i learned this but for some weird reason its still in my head

social studies check answers
oh

social studies check answers
i meant it has to be D.

social studies check answers
3. has to D.

social studies check answers
can i have these 3 checked again please and thanks. 1.A 2.C 3.C Leftists rebels in Colombia would be most likely to A. redistribute land to the poor. B. support a military dictatorship. C. reinstitute minority control of resources. D. outlaw illegal drug trafficking. Vertical ...

social studies check answers
forget i said that its a waste of your time but thanks for the check

social studies check answers
Im not guessing i swear its just hard for me to understand it

social studies check answers
6.A 7.B 8.C 9.B 10.A 6.You want to emphasize the characteristics that unite the nations of Caribbean South America today. On which topic are you most likely to focus? A. cultural influences B. government leadership C. political insurgents D.free trade agreements 7.Leftists reb...

social studies(updated answers)
this is the last time ill post for these 2 questions ill be moving on to the next social studies after this check 3.D 5.C 3.Which statement best describes the economics of Caribbean South America? A. Venezuela benefits from oil resources while other nations rely on cash crops....

social studies check answers
2.B 3.A 4.C 5.B 2.Caribbean South America has A. a predominantly tropical climate. B. varied climate zones due to coastal and highland areas. C. an arid climate in the north and a wet climate in the south. D. mountain climates determined by elevation. 3.Which statement best de...

social studies
i think its B. South america's ethnic diversity best reflects A. waves of european immigration in the past century. B. Recent influxes of asian and african immigrants . C. Internal migrations among indigenous peoples. D. Ancient migrations of people from asia and later mig...

Language Art (Please Check)
Im actually confused on this one i think its C. or D. but ill go with D. which of the following would be most likely to cause a commotion? A.A baby sleeping in a stroller B.A library closing for the evening C.A public appearance by a celebrity D.A grandfather clock striking mi...

Language Art (Please Check)
i think C. Which of these is true of both historical fiction and historical nonfiction? A.the setting is real B.the plot is imaginary C.The time period is true D.the characters are real

Language Art (Please Check)
i think its B. if not B. then C. We stayed at sybil house for several hours? Which of these is the verb of the sentence? A.we B.house C.stayed D.several

Language Art (Please Check)
i think its C. when does juan catch the bus for school? Which of the following correctly names the subject and the verb of the sentence? A.juan;catch B.when;catch C.juan,does catch D.when;does catch

Language Art (Please Check)
i pick B. and if not B. it has to be C.

Language Art (Please Check)
there _____ a ver long debate on the issue. Which of the following names the sentences subject and a verb that agrees with that subject? A.there;is B.there;was C.debate;was D.debate;were

Social Studies Question
does north america have acess to local and global markets

percent to decimals?
what is 15% changed to a decimal?

Social studies***help***
no it hasnt

Social studies***help***
Im not following i found a list of natural resources but it just says natural resources it says nothing about locations i think i might understand what you are saying.. are u saying that if i find a location i have to find the natural resource thats in that lcoation??

Social studies***help***
Review the maps of Mexico’s natural resources and population. List three locations for potential development. i need help with locations

Language Art (Please Check)
i pick D. which of the following contains a base word? A.empty B.family C.arcade D.cartoonish

Chemistry
This is for part 1. Mix 50.0 mL of 0.20 M sodium acetate with 10.0 mL of 1.0 M acetic acid and 40.0 mL deionized water.

Chemistry
Can someone please help me here? It's review for my test. Thanks! Calculate the expected pH of the buffer prepared in Part I of this lab. The Ka of acetic acid is 1.8 x 10-5 Calculate the expected pH when 10.0mL of 0.10M HCl is added to the buffer from question 3 Calculate...

new social studies
1.C 2.A 3.B 4.C 1.Which of the following most contributes to deforestation of the amazon rain forest? A. mining B. lumber miliing C. road construction D. tourism 2.Which of the following is an immediate negative effect of deforestation of the amazon rain forest? A. loss of bio...

social studies check answers
1.D 2.A 4.C 1.“Along the southern coast of Brazil the central plateau descends in high, steep escarpments. It towers over the waves and moves back in ridges, leveling off from the peaks of the coastal ranges … As it continues along to the northern regions, however, i...

social studies(updated answers)--
1.D 2.A 4.C 1.“Along the southern coast of Brazil the central plateau descends in high, steep escarpments. It towers over the waves and moves back in ridges, leveling off from the peaks of the coastal ranges … As it continues along to the northern regions, however, i...

social studies check answers
1.D 2.A 4.C 1.“Along the southern coast of Brazil the central plateau descends in high, steep escarpments. It towers over the waves and moves back in ridges, leveling off from the peaks of the coastal ranges … As it continues along to the northern regions, however, i...

social studies(updated answers)
1.B 2.C 3.A 4.B 5.D 1.“Along the southern coast of Brazil the central plateau descends in high, steep escarpments. It towers over the waves and moves back in ridges, leveling off from the peaks of the coastal ranges … As it continues along to the northern regions, ho...

social studies check answers
Im not sure these are right.I Tryed my best :D. 1.A 2.B 3.C 4.A or B 5.B 1.“Along the southern coast of Brazil the central plateau descends in high, steep escarpments. It towers over the waves and moves back in ridges, leveling off from the peaks of the coastal ranges ...

chemistry
0.50 mol of Fe react with 0.60 mol of O2, how many moles of Fe2O3 will form?

Math (check answer)
i meant sometimes

Math (check answer)
1.never the difference of two positive integers is _____ negative. A.always B.sometimes C.never

science question?
can someone explain this to me? When the temperature is 68°F, the speed of sound in air is approximately 343 meters per second. Approximately how many kilometers does sound travel in five seconds?

Math (check answer)
2.B 2.The sum of two integers is ____ positive. A.always B.sometimes C.never

science(check answers)
was 2 wrong?? and i dont understand what your saying for these problems

science(check answers)
1.---please help 2.C 3.D 4.C 5.A 6.C 7.---please help 1.An advantage of using an electromagnet,shown on the crane in the image below,instead of a regular magnet to move cars in a junkyard is that an electromagnet can easily be turnd on and off. A.true B.false 2.Imagine two art...

science(check answers)
1.D 2.A 3.A 4.im not sure please help 5.false One light bulb in a string of lights goes out. This causes all of the other lights in the string to also go out. This is an example of a A. resistor. B. parallel circuit. C. closed circuit. D. series circuit. 2.When a switch is tur...

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