Questions Asked on
February 8, 2010

  1. Finance

    Mrs. Smith borrowed $20,000 from Last National Bank. She will repay the loan with 5 annual payments and her interest rate is 14%. a) Find the amount of her annual payments. b) What is her loan balance after she has made her 3rd annual payment?

    asked by Mary
  2. prescriptivists

    which statement does NOT describe prescriptivists? A} language should be rocorded, not judged. B} language use should follow strict rules. C} language use should never change. D} language use should be judged and evaluted. .The answer i choose is C.

    asked by laura
  3. College Physics

    A single resistor is wired to a battery. Define the total power dissipated by this circuit as P(initial). What is the Power? Now, a second identical resistor is wired in series with the first resistor. What is the power, in terms of P(initial), dissipated

    asked by Lanise
  4. MLA english question

    My professor said "2) Be sure to footnote your writing when necessary. Of course you do not have to footnote general information, and the difference is not always to see! If you're in doubt, footnote a whole paragraph, or even one sentence. By the way, you

    asked by Claire
  5. math

    jessica had 24 customers open an account during the month, which is 60% of her monthly goal. What is her monthly goal. I came up with 40. am I right?? If not how do I figure this out. The other choices are 36 40 54 60 Thanks to all for your help.

    asked by cathy
  6. Math

    John had some animals. One-fourth were horses, one-half were cows, and the rest were pigs. He had 8 pigs. How many animals did he have altogether?

    asked by Ana
  7. grammar

    Which is the best way to combine these two sentences? Breathing all that dust was not good for people's health. Many people got sick. a. Breathing all that dust was not good for people's health, and many got sick or b. Breathing all that dust was not good

    asked by PJ
  8. spanish

    What is the meaning of this lyrics? I have translated this but I do not understand what he is talking about. The lyric meanings are abstract to me. Please help me! Pongamos que hablo de Madrid Allá donde se cruzan los caminos donde el mar no se puede

    asked by Leah
  9. chemistry

    Describe how to prepare a 1M solution of sodium hydroxide from concentrated sodium hydroxide (17.6 M)

    asked by Jay
  10. chemistry

    What mass of benzoic acid can be made from a reaction where 4.87g benzyl alcohol is combined with 300mL of bleach? The reaction is conducted in water and dichloromethane. Describe a method of separating the benzoic acid from the sodium chloride byproduct

    asked by Chad
  11. physics

    Two pith balls below each have a mass of 5.0 g and equal charge. One pith ball is suspended by an insulating thread. The other is brought to x = 4.0 cm from the suspended ball. The suspended ball is now hanging with the thread forming an angle of 30.0°

    asked by Adam
  12. physics

    Two pith balls below each have a mass of 5.0 g and equal charge. One pith ball is suspended by an insulating thread. The other is brought to x = 4.0 cm from the suspended ball. The suspended ball is now hanging with the thread forming an angle of 30.0°

    asked by Adam
  13. Calculus

    Find the points of inflection of the curve below. Round the answers to three decimal places. (Hint: All three are in a straight line.) y= (1+x)/(1+x^2)

    asked by Sasha
  14. business studies

    how does the sale of fixed assets and retained earnings help in raisihg business finance

    asked by james
  15. Algebra 1B

    I can not figure out the answer to this problem. (^6)(-7^6+5) I'm not sure if that sign is correct. It's suppose to be the symbol that looks like a check mark and goes over the 6 on left and over the 6+5 on right. Please help

    asked by LeAnn
  16. Algebra 1A

    3 with the check mark symbol that goes over 375 divided by 3 that goes over the check mark symbol that goes over 3. Sorry can't remember what that sign is

    asked by LeAnn
  17. Computers

    Hi, does anyone know the difference between "public int getId()" and "public static int getId()" and when would you use them? thanks

    asked by Vanessa
  18. Science.

    Produced by detergent. _rot_

    asked by Grace.
  19. marketing

    canvass prices before buying

    asked by sherilyn
  20. programming

    Having trouble with this program running, can anybody help solve my problem: #include #include #include void draw_x(int width, int height); int main(int argc, char *argv[]){ int width, height; if(argc != 3){ printf("Syntax: this_program width height\n");

    asked by Riley
  21. english

    What is the part of speech for "scheduled" in this sentence? The baby is scheduled for delivery today.

    asked by Linda
  22. English

    Can you please check my tenses. In particular, can you tell me, which tense I shall use when making a summary? Can I say “She says she was going to give a party?” when referring to her own words? Or shall I write “She said she was going to have a

    asked by Franco
  23. English

    I forgot to include the following paragraphs for you to correct. Thank you! 1) Unfortunately, Elizabeth overheard his conversation but didn’t take it hard because of her playful manners. 2) Mr Bingley soon fell in love with her. When he was asked which

    asked by Franco
  24. Chemistry

    Molarity of KMnO4:0.2M Volume of H2O2: 10mL Initial volume 50mL Final Volume: 31.90mL Volume of KMnO4 (new H2O2) Would it be the 31.90mL or do I subtract 50mL-31.90mL= 18.10mL

    asked by linda
  25. English

    Writing a research paper on anorexia in teens. Can you recommend some good resources?

    asked by linda
  26. math

    Leslie bought a new car with a sticker price of $10,356. If she paid 6% sales tax, traded in her old car for $2,250, and made a 20% down payment, calculate the total amount of the purchase price that she financed.

    asked by puppy
  27. Math

    In a dart game, Jessie hit the bulls-eye on 15 of 20 throws. Based on these results, what are the odds in favor of her hitting the bullseye on her next throw? Answer is 3 to 1, why?

    asked by Pam
  28. english

    which phrases are simile, metaphor and personfication in the following paragraph: Our vacation paradise cutting all flour legs from under the dinner table With one deep-water move he unwove the rugs in a moment throwing pints of blood over everything we

    asked by Irene
  29. chemistry

    The solubility of compound A in ethanol is 0.8 g per 100 mL at 0°C and 5.0 g per 100 mL at 78°C. What is the minimum amount of ethanol needed to re-crystallize a 12.0 g sample of compound A? How much would be lost in the re-crystallization, that is,

    asked by niki
  30. Algebra 3

    Factor: 12x^3+18x 49-4y^2 x^3+1 8x^3-125 x^3+2x^2+x

    asked by Jennifer
  31. Physics

    When the brakes of a certain car are applied, a deceleration of 6.0 sec squared is produced. a) How much time will it take to bring the car to a halt from an initial speed of 110km/hr? b) How far will it travel in that time?

    asked by Nina
  32. english

    When refering to a person as another person (ex. My teacher was thie Hitler or all teachers) do i have to underline or italisize Hitler? If not does anything need done to it?

    asked by Sarah
  33. Algebra 3

    Simplify: b^4(1/3b^2)(12b^-8) (12x^2Y^4)(1/2x^5y) (rs)^3(25)^-2(4r)^4

    asked by Jennifer
  34. physics

    A ball is thrown upward from a platform 4.6 m high with a speed of 23 m/s at an angle of 40 o from the horizontal. What is the magnitude of its velocity when it hits the ground?

    asked by Katie
  35. Math

    Field Goals Free Throws --------------------------------------- Number: % : Number : % Taken : Made : Taken : Made ---------------------------------------Lions : 37 1/2%: : 20 : 55% 48 : : : Tigers: 45% : 18 : 66 2/3% 40 : If these are the results of a

    asked by Paul
  36. Math - Venn Diagrams

    How can we solve this using a Venn diagaram? 12 out of 1000 women at age forty who participate in routine screening have breast cancer. 880 out of 1000 women with breast cancer will get positive mammographies. 90 out of 1000 women without breast cancer

    asked by Stephanie
  37. Environmental Science

    I need a little help on these, i've posted them a few times but i don't get any answers. 29. A common feature of thermal pollution and artificial eutrophication is that they both a. have sources that are difficult to identify and control b. cause large

    asked by y912f
  38. algebra

    need a pair of dice where each number from 1 - 12 has an equal chance of being rolled. You have been given the task of designing the new dice for the board game. You are to use two standard cubes (each with six faces) and number them in such a way that the

    asked by Delmar
  39. calc

    Let f(x) = x2 + 3x + 2. Find the equation of the line containing (1, f(1)) and (3, f(3)).

    asked by k
  40. calculus

    Compute lim t→2(5t − 2 + (t^2/t − 1)).

    asked by pop
  41. POETRY

    19. Which one of the following lines best illustrates personification?

    asked by Anonymous
  42. Biology

    17. When errors in nucleotide sequencing occur, a. DNA polymerases replaces the incorrect nucleotide with the correct nucleotide b. enzymes dissolve the incorrect nucleotide so DNA polymerase can add the correct one c. purines replace pyrimidines in the

    asked by mysterychicken
  43. physics

    A uniform electric field of magnitude 333 N/C is directed along the +y-axis. A 6.00 µC charge moves from the origin to the point (x, y) = (-10 cm, -37 cm). A). What is the change in the potential energy associated with this charge? B).Through what

    asked by Jan
  44. computer

    can u help me in making a "quiz" wid reference by using java.cn u help me as soon as possble

    asked by vikria
  45. Geography

    Is this correct? 20. Communist governments in Eastern Europe were established by the a. Poles during the 1800s b. Russians after the Russian Revolution in 1917 c. Soviet Union at the end of World War II d. Soviet Union during the Cold War C?

    asked by y912f
  46. Geography

    Need Help! 14. How has Italy's economy changed since 1950? a. Italy has withdrawn from the European Union b. Farming and tourism have become Italy's most important economic activities c. More people are working in manufacturing and service industries d.

    asked by y912f
  47. Business

    Why is e-business an important aspect of the strategic planning process?

    asked by Mary
  48. Geography

    19. All of the following statements about Brazil's economy are true EXCEPT: a. Because of the development of gasohol, Brazil no longer has to import expensive foreign oil b. Industrial developments have destroyed the middle class c. Jobs in service

    asked by y912f
  49. accounting

    Which journal would you use if you invested cash in the business?

    asked by Anonymous
  50. 7th grade science

    what wedsite can i find pictures and info. on a arab , chinese and native american astronomer from the 1054.

    asked by verone
  51. Maths

    Can anyone solve this eqestion ?? a line passes through (5,-2) and is parallel to y=3x find the equation of the line ??

    asked by Amy
  52. accounting

    the spare parts inventory account shows an unadjusted balance of 450. a physical count shows a blance on hand of 100

    asked by jessica
  53. english

    I have to do a project on 4 types of writing. Fictional narrative, Personal narrative, Informational writing and Persuasive writing. The project consists of giving characteristics of each, as well as 2 prompts (examples) for each. This is what I have so

    asked by Sylvie
  54. Yr 10 English - Poetry

    What were the hobbies (if any) of Nobel Prize winning poet Seamus Heaney? I searched everywhere and couldn't find anything. . .

    asked by Emily
  55. Accounting

    On January 1, 2005, Lynn Corporation acquired equipment at a cost of $600,000.

    asked by Anonymous
  56. math

    (f+g)(1)when f(x)=x+5 and g(x)=x+7

    asked by ReRe
  57. math

    Find the domain f(x)=1/x-4+4/x+3

    asked by ReRe
  58. APUSH

    How did Wilson get support for his progressive reforms? a.) he acted through a bipartisan coalation of progressives b.) relied on the party loyalty of Democrats c.) could not rely on most Democratic Congressmen to stick with him d.) none of the above

    asked by Amber
  59. math

    When making a telephone call using a calling card, a call lasting 3 minutes cost $1.65. A call lasting 11 minutes cost $4.85. Let y ba the cost of making a call lasting x minutes using a calling card. Write a linerar equation that models the cost of making

    asked by ReRe
  60. Math

    Find the slope of a line perpendicular to the line y= 5/3x

    asked by ReRe
  61. math

    A rocket is stopped 12 feet from a satellite when it begings accelerating away from the satellite at a constant rate of 12 feet per second. The distance between the rocket and the satellite is given by the polynormial P(t)= 6t^2+12. Find the distance

    asked by ReRe
  62. Chemistry

    If an athlete weighs 153lb and has 15.0% body fat by weight, how many pounds of fat does the athlete's body contain?

    asked by ana
  63. Physics

    How fast must a truck travel to stay beneath an airplane that is moving 139km/hr at an angle of 25° to the ground?

    asked by Terrance
  64. math

    Find the domain of g(t) = p3t + 15.

    asked by ted
  65. math

    Solve the inequality x2 + 7x + 12 < 0.

    asked by pat
  66. math

    If f(x) = 3x + 9 and g(x) = −x2, then find f(g(1)).

    asked by kevin
  67. Biology

    A farmer planted a field of Bt 123 corn and wants to estimate the yield in terms of bushels per acre. He counts 22 ears in 1/1000 of an acre. He determines that each ear has about 700 kernels on average. He also knows that a bushel contains about 90 000

    asked by Biology
  68. economics

    From Table 4-1 in the text, determine how much the demand for Florida Indian River oranges would change as a result of a10 percent increase in the price of Florida interior oranges, and vice versa.

    asked by Anonymous
  69. Algebra

    Can I simplify this further SQRT( 2 - SQRT(2) )

    asked by Bob
  70. maths

    another question ? A is an acute angle and sin A=3/5 calculate the value of tan A ??

    asked by Amy
  71. college physics

    Vector A points in the negative x direction. Vector B points at an angle of 27.0 degress above the positive x axis. Vector C has a magnitude of 20 m/s and points in a direction 39.0 degress below the positive x axis. Given that A+B+C=0, find the magnitudes

    asked by Jordan
  72. maths

    solve (x+2)(all squared) - (1-x)(all squared) = -5

    asked by Amy
  73. Gen Chem II

    How many mL of 0.0875 M H2SO4 would you need to exactly neutralize 50.00 mL of 0.135 M NaOH?

    asked by KiKi
  74. Hamlet book vs movie

    I would just like to get a view of anyone's opinion on Shakespeare Hamlet the book vs the movie starring Mel Gibson and Glen Close...which scenes in the movie do you feel had a greater impact than it did in the book?

    asked by Anonymous
  75. maths

    solve algebraically to 2 decimal places : 3(x-2) = x x 3

    asked by Amy
  76. maths

    solve : 5x(squared) - 245 = 0

    asked by Amy
  77. environmental science

    i need to think of ways of how to reduce reuse and recycle waste in a theme park.any help would be great thanks!:)

    asked by ESKIE
  78. Enviromental Science

    Estimate the velocity of the groundwater flowing from a point 500 feet from a creek. The point is 50 feet above the surface of the creek and the permeability of the subsurface is approximately 10-5. Approximately how long would it take the groundwater to

    asked by Shane
  79. Computer Science

    This is the problem: The following HTML code fragment contains a reference to an image file called frog.gif and with alternate text set to froggy, but the code as written contains a number of errors. Write the HTML line correctly. (Note: this problem is

    asked by Joseph
  80. English

    I made the changes you suggested to me. Can you please check if my five paragraphs are correct? Thank you very much in advance. 1) In the first chapter Mrs Long tells Mr Bennet that Netherfield has been let by Mr Bingley, a rich young man from the north of

    asked by Franco
  81. English

    I forgot to include these other three paragraphs. I really hope you can help me with them, too. I thank you all. 6) Elizabeth walks three miles to look after her sister. Mr Darcy feels attracted by her but he says her low connections prevent him from

    asked by Franco
  82. biology

    how have sarcodines built geological features of the environment?

    asked by emilie
  83. chem

    .070g caffeine dissolved in 4 mL water. caffeine is extracted from aqueous solution 3 times with 2mL portions of methylene chloride. calculate total amount of caffeine that can be extracted into the 3 portions. caffeine has a distribution coefficient of

    asked by j
  84. government

    My teacher told me and my class to write a essay on why we would want to live in a capitalist government but I have no idea what to write can you help?

    asked by maddie
  85. MATH

    HOW TO TELL if each pair of polygons are diffrent

    asked by ALEX
  86. math

    Find the domain of g(t) = sqrt (3t + 15.)

    asked by kevin
  87. Math

    How can we solve this using a Venn diagaram? 12 out of 1000 women at age forty who participate in routine screening have breast cancer. 880 out of 1000 women with breast cancer will get positive mammographies. 90 out of 1000 women without breast cancer

    asked by Stephanie
  88. math

    Solve the inequality x^2 + 7x + 12 < 0.

    asked by kevin
  89. algebra1B

    The Directions Say "What Is The Solution Of The System Of Linear Equations?" The Question Is: x-y=2 x+y=-3

    asked by Kylie
  90. math

    IF a plane can travel 2.00 x 10 to the power of 3 km in 3.00 hours, what is the velocity in metre/sec.?

    asked by arilk
  91. math (Urgent)

    1) The number of bacteria N in a culture is given by N=250e^kt where t is the time in hours. If

    asked by Hannah
  92. English

    Thank you very much for your last corrections. Can you please check these ten more statements? I still have some doubts about the words underlined or in parentheses. 1.She says that Netherfield has been rented (instead of let) by Mr Bingley. 2) He was

    asked by Franco
  93. math(Urgent)

    1) The number of bacteria N in a culture is given by N=250e^kt where t is the time in hours. If N = 280 when t=10 estimate the time required for the population to double in size. 280 = 250e^10k divide by 250 1.12 = e^10k ln 1.12 / 10 = .011 K = 0.11 Now I

    asked by Hannah
  94. math(Urgent)

    1) The number of bacteria N in a culture is given by N=250e^kt where t is the time in hours. If N = 280 when t=10 estimate the time required for the population to double in size. 280 = 250e^10k divide by 250 1.12 = e^10k ln 1.12 / 10 = .011 K = 0.11 Now I

    asked by Hannah
  95. Physics

    Two pith balls below each have a mass of 5.0 g and equal charge. One pith ball is suspended by an insulating thread. The other is brought to x = 4.0 cm from the suspended ball. The suspended ball is now hanging with the thread forming an angle of 30.0°

    asked by Adam
  96. Physics

    The graph below represents the relatonship between the potential difference across a metal conductor and the current through the conductor at constant temperature. Potential Difference vs. Current PD vs. C PD C 2 2 4 4 6 6 8 8 What is the resistance of the

    asked by Priscilla
  97. chem

    .070g caffeine dissolved in 4 mL water. caffeine is extracted from aqueous solution 3 times with 2mL portions of methylene chloride. calculate total amount of caffeine that can be extracted into the 3 portions. caffeine has a distribution coefficient of

    asked by j
  98. physics

    At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 9.3 m until, at t = 1.38 s, it is traveling east. The car does not alter its speed during the turn. (a) Find the car's speed. ___ m/s (b)

    asked by Cindy
  99. Economics305

    As a manager of a financial planning business you have two financial planners, Phil and Francis. In an hour, Phil can produce either one financial statement or answer 8 phone calls, while Francis can either produce 4 financial statements or answer 10 phone

    asked by Mizzy Kay
  100. Economics305

    We make choices as consumers every day. Opportunity cost is defined as a person’s "next best alternative" or "the cost of what you give up when you make a choice." Think of a recent decision you made regarding your career. What was your opportunity cost

    asked by Mizzy Kay
  101. math(Please please help!!!)

    1) initial investment = $600 annual % rate = ? time to double = ? amount after 10 years = $19,205.00 19,205 = 600e^(10r) I do not know how to solve for r of find the time to double.

    asked by Hannah
  102. trig

    find all solutions of the equation tan(sq)x=1

    asked by claire
  103. Science

    How do you distinguish between a fluid and a non- fluid.

    asked by sean
  104. Science

    Compare and contrast liquids and gases.

    asked by sean
  105. Science

    How can you demonstrate that finely ground fluids are not fluids.

    asked by sean
  106. college

    r=2cm h=20cm

    asked by Anonymous
  107. science

    what forces would be at work if you were trying to move a 20,000-kg. block of stone?

    asked by Anonymous
  108. science

    Why doesn't the cell membrande pinch in to divide the cytoplasm telophase in plant cells?

    asked by Kay
  109. human service 220

    How does data and information support human service organizations? When answering this question, address three of the following: · Planning · Operations · Human resources · Technical resources · Financial planning

    asked by Tara
  110. math

    Suppose the cost C(q) (in dollars) of producing a quantity q of a product equals C(q) = 500 + 2q +1/5q^2 The marginal cost M(q) equals the instantaneous rate of change of the total cost. Find the marginal cost when a quantity of 10 items are being

    asked by kevin
  111. physics

    Calculate the kinetic energy that the earth has because of its rotation about its own axis. For comparison, the total energy used in the United States in one year is about 9.33 109 J. cannot_evaluate cannot_evaluate J (b) Calculate the kinetic energy that

    asked by zeta
  112. COM220

    Strategies for gathering information Appendix D Is the source the name of the article or the reference who wrote it. What goes in the source box?

    asked by jessy
  113. history of technology

    Is a mimeograph machine a copy printer? If yes, can you tell me more?

    asked by sierra (6th grade)
  114. Grammar

    Does the following sentence have faulty co-ordination or run-on errors? "Harry Houdini left home at the age of 12, and his real name is Erich Weiss."

    asked by alex
  115. Biology

    17. When errors in nucleotide sequencing occur, a. DNA polymerases replaces the incorrect nucleotide with the correct nucleotide b. enzymes dissolve the incorrect nucleotide so DNA polymerase can add the correct one c. purines replace pyrimidines in the

    asked by mysterychicken
  116. English 101

    Hi, I am having a hard time finding the faulty parallelism, I could see it in my other exercises, but not these. Would you be able to help me with these? Thank you, Dana 1. Arriving at Lake Powell in a thunderstorm, the campers found it safer to remain in

    asked by Dana
  117. math

    solve for all real# sin2x(csc2x-2)=0

    asked by Anonymous
  118. Gr. 12 English

    I'm not sure if the the following sentence have misplaced or dangling modifier errors. "My bike fell over while tying my shoelaces."

    asked by AL 87
  119. Geography

    REPOST Need Help! 14. How has Italy's economy changed since 1950? a. Italy has withdrawn from the European Union b. Farming and tourism have become Italy's most important economic activities c. More people are working in manufacturing and service

    asked by y912f
  120. calculus

    how to i evaluate the integral of dx/ (x^2 +9) with a u substitution of x/3? Can someone show this step by step?

    asked by sammi
  121. English

    Can you check the very last sentences of the day? 1)The biker wanted to cheer his supporters or wanted to cheer to his supporters? 2) We toasted the New Year or we toasted to the New Year? 3)In order to stress the fact that the children were given very

    asked by Franco
  122. Geography

    Please help me on these: 23. How can Bosnia-Herzegovina best be described? a. as a nation of conflicting ethnic groups b. as a unified nation c. as a nation struggling to rebuild Communist ties to Russia d. as a peaceful and prosperous nation A 25. How did

    asked by y912f
  123. Chemistry

    Write an equation that explains the conductivity of CO2(aq, saturated)

    asked by Taylor
  124. Geography

    While looking at a political map of Western Europe, answer these questions: 31. What does a solid black line on the map signify? National Boundary 32. Which nations of Western Europe border on the Mediterranean Sea? need help! 33. List the nations that

    asked by y912f
  125. science

    can someone tell me what is...the ability of a solid object to return to its original size & shape after it has been strecthed. thank you

    asked by Margaret
  126. Grade2 eng

    What is the hidden word in these alphabets? abbceeru Thanks

    asked by MONA
  127. math

    how do I figure out the following:52 students take a test and only 3 pass the test what percent of the students passed I need a strategy/show how you got the answer thanks

    asked by Mattie
  128. math

    which is less than 3/4 4/5 2/3 6/7 8/10

    asked by Anonymous
  129. science

    Es cells have the capacity to become almost any kind of human cell. What other medical problems, in addition to nerve regrowth, might be solved by their use

    asked by le'lani
  130. math

    thank you Ms.sue

    asked by Anonymous
  131. health care ethics

    Visit the publications link under the Gender, women and health section on the World Health Organization’s Web site. You can use the following keyword search to visit the required Web page: “WHO, GWH publications.” Select the gender and tobacco fact

    asked by Niki
  132. u.s historyy

    what are some landforms in Gadssen(Gadsden Purchase)is it safe?..Descripition of the types of Business/farming available. and type of community people would get to live with..please help.!

    asked by Mee
  133. Biochemistry

    Hi, In this task for our school, we were requested to investigate a method for testing the amount of caffeine content in coffee. There are 3 main questions as fellows 1. What would be a good method to measure the amount of caffeine in coffee without

    asked by Dave
  134. Social Studies

    i NEEDED HELP SOCIAL STUDIES CITIZENSHIP CIVIC BOOKS FOR 4 GRADE

    asked by Anonymous
  135. calculus

    dh/dx x = 7 , h (x) = (x^-1/2 + 8x)(4 - x^-1)

    asked by jeff
  136. Math 1

    Please also explain how you got the answer if you know it. Thanks. : Solve for x. x2-4x+2 = -2x+5 A) (-1,7) B) (3,-1) C) {-1,7} D. {3,-1}

    asked by Talli
  137. Science

    What is the photoperiod? I wrote: The photoperiod is the length of day. Please tell me if this is correct, thanks

    asked by Sara
  138. math

    The brightness of a light bulb varies inversely as the square of the distance from the source. If a light bulb has a brightness of 300 lumens at 2 ft, what will its brightness be at 10 ft?

    asked by claire
  139. math

    The brightness of a light bulb varies inversely as the square of the distance from the source. If a light bulb has a brightness of 300 lumens at 2 ft, what will its brightness be at 10 ft?

    asked by claire
  140. Science

    How does the photoperiod differ between the two solstices? The Photoperiod becomes longer in summer and it becomes shorter in winter. Please tell me if this is correct, and any other infomation would be appreciated, thanks

    asked by Sara
  141. Social Studies

    Social studies citizenship civic books so i need 9 books

    asked by Anonymous
  142. math

    Please also explain how you got the answer if you know it. Thanks. : Solve for x. x2-4x+2 = -2x+5 A) (-1,7) B) (3,-1) C) {-1,7} D. {3,-1}

    asked by Natalie
  143. Physics

    I have a sheet full of equations, I just don't know which one to use or what type of problem this is. A cannon is on a hill. The hill is 20 m high. The cannon is at an angle of 26 degress. If a cannonball is shot into the valley below. a.) Find the x and y

    asked by Jill
  144. Chemistry

    Put in order from strongest to weakest: London Dispersion Forces, Hydrogen Bonds, Dipole-dipole interactions, ionic bonding, and covalent bonding.

    asked by Lelia
  145. spanish

    what does this say in English despues de haber encontrado todas las palabras escondidas, bosque el refran escondido, haciendo un circulo a las letras apropiadas, de izquierda a derecha.

    asked by amber
  146. math

    matrices: A=[-5 4 -6 B=[-2 4 -5 9 -8 7 8 9 3 4 -3 9] 5 -2 2] AB=? please show the work if you can.

    asked by anonymous
  147. Science

    What is unique about the photoperiod at the two equinoxes? At the two equinoxes, the photoperiod is equal, it stays the same for both dates?????????? Please help me with this one, I don't think I have it right.

    asked by Sara
  148. 5th grade

    mary had 10 yards 2 feet of ribbon. She needed to cut peices for her 3 friends. If each friend got the same amount of ribbon, how much did each get? In your answer, there cannot be more than 12 inches.

    asked by me
  149. Math I

    How do you find whether a function is even or odd? Identify the odd function. A)f(x) = 5 B)f(x) = 8x C)f(x) = |x3| D)f(x) = x2 + 7

    asked by Cline
  150. math

    matrices: A=[-5 4 -6 9 -8 7 4 -3 9] B=[-2 4 -5 8 9 3 5 -2 2] AB=? please show work if you can.

    asked by anonymous
  151. Science

    The cause of the seasons on Earth is often mistakenly attributed to the elliptical orbit of Earth around the sun. What is the actual cause of the seasons? Tha actual cause of the seasons is because of the tilt of Earth's axis. please correct me if i'm

    asked by Sara
  152. physics

    Block A has a mass of 4.1 kg, and it is on a frictionless surface. A string tied to this mass passes over a frictionless pulley, and is attached to a hanging block (Block B), as shown in the image below. The blocks then accelerate at 2.3 m/s/s. What is the

    asked by Anonymous
  153. math grade five

    A freight train travels 100km every hour it passes over a river at 10:00am four hours later a passenger train passes over the same river the passenger travels 150km every hour when does the passenger train overtake the freight train? How far are they from

    asked by peyton
  154. Physics

    An arrow is shot into the air at an angle of 60.3° above the horizontal with a speed of 20.1 m/s. What are the x- and y-components of the velocity of the arrow 3.4 s after it leaves the bowstring? What are the x- and y-components of the displacement of

    asked by Max
  155. Chemistry

    Please help me !! Frequently in the distillation of methanol and water, the methanol distillate appears cloudy. To what might you attribute such an observation? Thanks.

    asked by Elizabeth
  156. grammar 7th grade

    My daughter has some homework in which she has to identify independent clauses and subordinate clauses as well as indentifying whether the sentence is simple, complex, or compound. I can help her with the last part, but don't know how to help her with the

    asked by Juliana
  157. Physics

    At an antique car rally, a Stanley Steamer automobile travels north at 38 km/h and a Pierce Arrow automobile travels east at 51 km/h. Relative to an observer riding in the Stanley Steamer, what are the x- and y-components of the velocity of the Pierce

    asked by Max
  158. kindergarten

    I need to know what a counter is in order to have my child draw a piece of yarn 3 counters long from the needle. What exactly is a counter?

    asked by Lee
  159. Science: Physics and Chemistry

    I was given a systems equation. Two masses are on a flat frictionless surface tied together. There is a pulley type thing and another mass is hanging over the edge of the table. It is attatched to the other 2 masses. It has no Fn, only Fg because it is

    asked by Marina
  160. 6 math

    Ricky had 2/3 gallon of fruit punch left over from his party. He gave Jason 1/4 gallon the next day. What fraction of a gallon of fruit punch does Riky have left?

    asked by sally
  161. science

    explain how the carbon cycle and the nitrogen cycle are connected.

    asked by kathy
  162. chemistry

    give a definition of ionic bonding

    asked by lelia
  163. chemistry

    what should I include in my discussion when writing up my heating substances lab experiment?

    asked by ana kay
  164. Science

    I want to see earth in satellite image. I know about google and wikimapia, are there any other sites that have satellite images for you to see for free?

    asked by Sara
  165. Biology

    23. A medical condition that can be treated by using proteins produced through genetic engineering is a. depression b. multiple sclerosis c. hemophilia d. all of the above 26. Endosymbiosis best explains the possible evolutionary beginnings of a.

    asked by mysterychicken
  166. more 7th grade grammar

    Trying to help my daughter... we have to identify subordinate clauses, identify independent clauses. I can help her with the part about simple, compound and complex, but don't remember the independent and subordinate. Any help would be appreciated. 2.

    asked by Juliana's mom
  167. To: drwls

    Can you please have a moment to look at my other science post which you helped me on, thanks

    asked by Sara
  168. Physics

    From the edge of the rooftop of a building, a boy throws a stone at an angle 24.0° above the horizontal. The stone hits the ground 4.40 s later, 104 m away from the base of the building. (Ignore air resistance.) Find the initial velocity of the stone.

    asked by Max
  169. geometry honors

    precise name of quadrilateral with vertices A(-2,4) B(2,6) C(6,4) D(2,-3)

    asked by Jane
  170. Physics

    A rock thrown horizontally from the top of a radio tower lands 20.0 m from the base of the tower. If the speed at which the object was projected was 11.50 m/s, how high is the tower?

    asked by Katie
  171. Physics

    If you can throw a ball vertically upward to a height h = 30.5 m, what is the maximum horizontal range over which you can throw the same ball, assuming you throw it at the same initial speed?

    asked by Katie
  172. grade five math

    A freight train travel 100km every hour. It passes over a river at 10:00AM. Four hours later, a passenger train passes over the same river. The passenger train travels 150km every hour. When does the passenger train overtake the freight train? How far are

    asked by peyton
  173. math

    Two rational numbers with the sum of 1, product of -6/25 and quotient of -6. ( I have been working on this for a long time but I can't figure it out!)

    asked by Bo
  174. Math

    If I have 27 coins (dimes and nickels) that total $1.95. How many are dimes and how many are nickels

    asked by Pam
  175. math

    Jeremy has a fish tank that has a 40-cm by 70-cm rectangular base. The water is 25 cm deep. When he drops rocks into the tank, the water goes up by 2 cm. What is the volume in liters of the rocks

    asked by jena
  176. Math

    During and art contest at my school, me and a classmate each won blue ribbons for 1/3 of the pieces you entered in the contest. You won 2 blue ribbons and my classmate won 3 blue ribbons. Explain how this could be?

    asked by Cole
  177. science

    I was given a systems equation. Two masses are on a flat frictionless surface tied together. There is a pulley type thing and another mass is hanging over the edge of the table. It is attatched to the other 2 masses. It has no Fn, only Fg because it is

    asked by Marina
  178. english

    brother is to mother as fly is to?

    asked by Anonymous
  179. statistics

    Blossom's Flowers purchases roses for sale for Valentine's Day. The roses are purchased for $10 a dozen and are sold for $20 a dozen. Any roses not sold on Valentine's Day can be sold for $5 per dozen. The owner will purchase 1 of 3 amounts of roses for

    asked by iyra
  180. 7th grade grammar

    Writeacher: Juliana looked at the powerpoint on the clauses and she said it was really good, thank you writeacher. She said it helped her a lot. She thinks she might have it now. Thank you SOOOO much!

    asked by Juliana's mom
  181. calc

    Suppose the total cost, C(q), of producing a quantity q of a product is given by the equation C(q) = 5000 + 5q The average cost per unit quantity, A(q), equals the total cost, C(q), divided by the quantity produced, q. Find the limiting value of the

    asked by kyle
  182. Science

    A farmer planted a field of Bt 123 corn and wants to estimate the yield in terms of bushels per acre. He counts 22 ears in 1/1000 of an acre. He determines that each ear has about 700 kernels on average. He also knows that a bushel contains about 90 000

    asked by Justin
  183. calc

    Find the domain of g(t) = sqrt (3t + 15.)

    asked by pete
  184. calc

    Solve the inequality x^2 + 7x + 12 < 0.

    asked by sara
  185. 7th grade grammar

    Hey Ms. Sue, thank you for the website. It helped Juliana a lot. She thinks she can figure this out now. Thank you VERY MUCH!!!

    asked by Juliana's mom
  186. statistics

    True or False: A zero population correlation coefficient between a pair of random variable means that there is no linear relationship between the random variable.

    asked by iyra
  187. physics

    A 0.0160-kg bullet traveling horizontally at 396 m/s strikes a 3.95-kg block of wood sitting at the edge of a table. The bullet is lodged into the wood. If the table height is 1.06 m, how far from the table does the block hit the floor?

    asked by Sarah
  188. calc

    Suppose the cost C(q) (in dollars) of producing a quantity q of a product equals C(q) = 500 + 2q +1/5q^2 The marginal cost M(q) equals the instantaneous rate of change of the total cost. Find the marginal cost when a quantity of 10 items are being

    asked by ty
  189. Physics

    A .22 rifle bullet, traveling at 373m/s, strikes a block of soft wood, which it penetrates to a depth of 0.125m. The block of wood is clamped in place and doesn't move. The mass of the bullet is 1.90. Assume a constant retarding force.How much time is

    asked by Anonymous
  190. Math

    which objects do not have rotational symmetry. One example would be fine, also could you tell me why it doesn't, thanks :-)

    asked by Sara
  191. Science: Physics and Chemistry

    Can someone please help me with this??? I was given a systems equation. Two masses are on a flat frictionless surface tied together. There is a pulley type thing and another mass is hanging over the edge of the table. It is attatched to the other 2 masses.

    asked by Marina
  192. physics

    If you are initially 1.50 km [E] of home and 0.65 hours later you are 0.75 km [N 45 degrees E] of home, what is your change in displacement?

    asked by Megan
  193. physics

    If you are initially 1.50 km [E] of home and 0.65 hours later you are 0.75 km [N 45 degrees E] of home, what is your change in displacement?

    asked by Megan
  194. Science

    The cause of the seasons on Earth is often mistakenly attributed to the elliptical orbit of Earth around the sun. What is the actual cause of the seasons? Tha actual cause of the seasons is because of the tilt of Earth's axis. please correct me if i'm

    asked by Sara
  195. English Lit

    Write a poetry explication that describes aspects that typify the work of a poet in Twentieth-century to contemporary poetry

    asked by Anonymous
  196. Science

    For this question : How does the photoperiod differ between the two solstices? wouldn't the solstices be spring and fall?

    asked by Sara
  197. chemistry

    what is the type of packing for body centered unit cell? i put A-B-A-B but my answer is wrong

    asked by blasting
  198. 11th grade

    how do you do STOICHIOMETRY?

    asked by kewan
  199. algebra

    3y+9

    asked by tammy
  200. English

    Correct the incorrect punctuation and type a semi-colon, colon, em dash, or parenthesis. What can be done about pollution? I know what I must do(and will do--to help reduce pollution. Although, the way I see it, there are at least three things we all

    asked by Pam
  201. pre cal

    how do you determine the domain of the variable in the expression x-6 over 5-x?

    asked by becky
  202. s.s

    how is sweden's economy similar to the united kingdom's economy

    asked by Leslie
  203. Math

    A one-story building is 370 ft by 290 ft. If a square patio with sides 27 ft occupies the center of the building, how much area remains for offices?

    asked by Ron
  204. healthcare

    compose a list identifying the major components of health communication. who is involved in each component? how does each component promote health communincation? in not utilized, how would it reduce health communincation? provide examples.

    asked by nancy
  205. criminal justice

    During the middle Ages, defendants could avoid serving a harsh penalty if they were granted

    asked by mark
  206. Math

    A circle is tangent to the y-axis at y=3 and has one x-intercept at x=1, find the other x-intercept and the equation of the circle. ...And if it's not any trouble, could you please explain how to do get there alongside showing me what to do? Thanks (:

    asked by Leslie
  207. Org. Chem.

    Synthesize 6-(4-tert-butylphenyl)cyclohex-3-enecarbonitrile using (Z)-3-phenylacrylonitrile as your starting material and any other reagents you wish. Please help and an explanation would be greatly appreciated.

    asked by CMM
  208. Chemistry

    Please help !!!! The acid impurity in your unknown was benzoic acid. a) Write an equation for the reaction that occurs during the NaOH extraction. b) Write an equation for the reaction that occurs after the addition of HCL. Thanks.

    asked by Amanda
  209. advance intergraded science

    picture of c6h12o6

    asked by Anonymous
  210. world history

    What factor motivated Italy, Germany, and Japanese leaders to foreign policies in the 1930's

    asked by Anonymous
  211. math

    in circle O, chords AB and CD intersect at E. If AE = 3, EB = 4, CE = x, and ED = x-4, what is the value of x?

    asked by beau
  212. Chemistry

    An element has bcc packing with a body-centered cubic unit cell. Its density is 19300 kg/m3 and the unit cell volume is 3.17 x 10-26 L. Calculate the molar mass (g/mol) of the element to three significant figures. The element rubidium has bcc packing with

    asked by Dan
  213. gr9math

    about 99% of the mass of the human body is made up of just six elements. oxygen:65% carbon18% hydrogen:10% calcium:1.5% phosphorus:1.0% Find the mass of each element in a human body iwth mass 60kg. could you please explain to me how to do this? your help

    asked by rebecca
  214. Statistics

    Five friends go bowling and finish with the following scores. Jim bowls a 129, Bob bowls a 150, Ann bowls a 133, Tom bowls a 162 and Gina bowls a 148. Find Tom's z-score. Treat the data as a population. Don't forget to round to the nearest tenth. The book

    asked by John
  215. chemistry

    calculate the freezing point and osmotic pressure at 25 degrees celcious of an aqueous solution containing 1.0 g/L of a protein (mm=9.0*10^4g/mol) if the density of the solution is 1.0 g/cm^3

    asked by heather
  216. science

    At what height above the earth is the acceleration due to gravity 12% of its value at the surface?

    asked by mia
  217. Physics URGENT

    I did a lab on DC circuits, and we calculated the resistance of multiple resistors in parallel. Resistance of Resistor 1 & 2 = 1000 +/- 5% so R1 =1000+/- 50 R2= 1000 +/1 50 i need to calculate R using the equation... R= 1/R1 + 1/R2 I am confused as to what

    asked by Katelynn
  218. English

    We are working on descriptive writing and right now I have to do a whole description on a Old House. Sounds: Screams Howls Whispers Touch: slimy doorknob sticky path dusty windows Sights: broken steps Spider webs on door damaged rooftop Colours: Brown door

    asked by Sara
  219. english stories and discoveries

    intiation As opposed to swooping, singing heather birds, in flock, one like the other, all exactly alike." This comparison inspired millicent to 1. join the sorority and be like the other? 2.ask others for assistance? 3. think and act as an individual?

    asked by veronica
  220. college

    In each of the following cases,explain whether you think the situation is efficient or not.If it is not efficient,why not? What actions would make the situation efficient? Electricity is included in your rent at your dorm. Residents leave

    asked by Marcye
  221. math

    1) The number of bacteria N in a culture is given by N=250e^kt where t is the time in hours. If N = 280 when t=10 estimate the time required for the population to double in size. 280 = 250e^10k divide by 250 1.12 = e^10k ln 1.12 / 10 = .011 K = 0.11 Now I

    asked by Hannah
  222. math

    1) initial investment = $600 annual % rate = ? time to double = ? amount after 10 years = $19,205.00 19,205 = 600e^(10r) I do not know how to solve for r of find the time to double.

    asked by Hannah
  223. trig

    2sin(3x-3.14)-1 find the inverse form of this equation

    asked by bob
  224. Algebra 2

    Hey I am working on math homework that involves "Standard Form to Vertex Form by Averaging." My class is just starting to learn this today, but I am totally lost still on what to do. Can you please help? The formula for this is y=a(x - h)^2 + k the h is

    asked by Tessa
  225. Physics

    The graph below represents the relatonship between the potential difference across a metal conductor and the current through the conductor at constant temperature. Potential Difference vs. Current PD vs. C PD---C 2----2 4----4 6----6 8----8 What is the

    asked by Priscilla
  226. algebra

    Find the missing dimension for each three-dimensional figure to the nearest tenth, given the volume and other dimensions. rectangular pyramid, t=8m, w=4.6m, V=88m cubed

    asked by Anonymous
  227. Chemistry

    Please help me answer this question; The goal of the recrystallization procedure is to obtain purified material with a maximized recovery. For each of the following, explain why this goal would be adversely affected. a) In the solution step, an

    asked by Judy
  228. Physics

    Two trees have perfectly straight trunks and are both growing perpendicular to the flat horizontal ground beneath them. the sides of the trunks that face each other are 1.0m apart. a squirrel makes three jumps, first leaps from the foot of one tree to a

    asked by Mary
  229. Math

    A curve is traced by a point P(x,y) which moves such that its distance from the point A(-1,1) is three times the distance from the point B(2,-1). Find the equation of the curve and identity.

    asked by Anonymous
  230. Math

    Consider the paraboloid z=x^2+y^2. The plane 3x-2y+z-7=0 cuts the paraboloid, its intersection being a curve. What is the "the natural" parametrization of this curve? Hint: The curve which is cut lies above a circle in the xy-plane which you should

    asked by Derek A
  231. math

    What is the division rule

    asked by jerry
  232. math

    suppose c is a subset of d and d is a subset of c. if n(c) = 5, find n (d).

    asked by chris
  233. Chemistry

    A student placed 14.0 of glucose () in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100.- mark on the neck of the flask was reached. The flask was then shaken until the solution

    asked by Sherryl
  234. geometry honors

    precise name of quadrilateral with vertices A(-2,4) B(2,6) C(6,4) D(2,-3)

    asked by Jane
  235. Math

    Use the fundamental counting principle to find the total number of outcomes in each situation. 1.Rolling two number cubes and tossing one coin. = Is the outcome = 4? 2.Choosing from 3 sizes of distilled,filtered, or spring water. = Is the outcome 9? Thanks

    asked by Shadow
  236. organic

    What product(s) would you expect from the reaction of 1 mol of 1,3-butadiene and 2 mol of Cl2?

    asked by adrienne
  237. writing

    can any one tell me the pro of oniomania

    asked by layla
  238. math

    a pencil, eraser and notebook together cost one dollar. a notebook costs more than two pencils, three pencils cost more than four erasers, and three erasers cost more than a notebook. how much does each item cost

    asked by vasumathi
  239. physics

    Calculate the acceleration of a 2000-kg, single-engine airplane just before takeoff when the thrust of its engine is 500 N.

    asked by iggy
  240. 5th grade

    how many 2/3s are in 6?

    asked by jr
  241. english

    wath is deference?

    asked by yamileth
  242. human relations

    Studying how people get alone with one another? A. has little use outside the work place. B.can improve a persons personal life C.won't help a worker become more production D.for most people is a difficult thing to do

    asked by Amber
  243. Algebra 2

    Hey I am working on math homework that involves "Standard Form to Vertex Form by Averaging." My class is just starting to learn this today, but I am totally lost still on what to do. Can you please help? The formula for this is y=a(x - h)^2 + k the h is

    asked by Tessa
  244. behavioral science

    describe briefly the six psychological

    asked by amy
  245. chemistry

    for face centered unit cell, r=6 find edge in terms of r, face diagonal in terms of r, body diagonal in terms of r, edge=squareroot(8)r face=4r but i don't know how to find body diagonal

    asked by blasting
  246. Algebra 2

    It is a beautiful spring day so you decide to go rowing upstream on your favorite river. You row at a constant rate of 1 mile per hour. Suddenly a gust of wind blows your hat off into the water. You watch it float away downstream but since you never really

    asked by John
  247. math

    i am supposed to solve this word problem using system of quatino methods The annual cost of owning and opearting a car, C dollars, is a linear function of the distance, d kilometers, it is driven. C=md+b the cost is $4600 for 10 000km and $9100 for 25

    asked by jake
  248. lit

    how does juliet respond to Paris'gallantries when she mets him at Friar Laurence's ?

    asked by dakota
  249. Physics

    A flowerpot falls off a windowsill and falls past the window below. It takes the pot 0.42 s to pass this window, which is 1.90 m high. How far is the top of the window below the windowsill from which the flower pot fell?

    asked by Drew