Questions Asked on
February 23, 2016

  1. Physics

    An electron travels at a uniform speed of 2.50 × 106 m/s toward the top of this page. It then enters a uniform magnetic field and experiences a maximum force of 5.15 × 10-8 N that points toward the right of the page. What is the magnitude of the magnetic

    asked by Erin
  2. Physics

    Tennis ball is struck at a speed of 6m/s horizontally. It departs from the racket at a vertical distance of 1.02m. How much time is needed for the ball to hit the ground? Thanks!

    asked by Danniela
  3. physics

    A physics professor moonlights as a daredevil jumping things on a motorbike. His next stunt will be to jump the oldman river on his motorcycle. The ramp is being built 100 m above the river and made an angle of 50.0 o relative to the horizontal. The

    asked by tom
  4. science

    what is the balanced product of Pb(NO3)2 + Li(SO4)?

    asked by dali
  5. Pigskin geography week number 20

    Which team will visit a city within its own state for a game

    asked by Peter
  6. Quick calc question

    the integral from 2 to 3 of 1 divided by the quantity 3 times x minus 2, dx is equal to the integral from 4 to 7 of 1 divided by u, du True? False?

    asked by Ella
  7. Quick calc question

    Suppose the integral from 2 to 8 of g of x, dx equals 13, and the integral from 6 to 8 of g of x, dx equals negative 3, find the value of 2 plus the integral from 2 to 6 of g of x, dx. 16 18 8 32

    asked by Ella
  8. Quick calc question

    Use your graphing calculator to evaluate to three decimal places the value of the integral from negative 1 to 1 of the product 2 and the square root of 1 minus x squared over 2, dx . 3.771 3.636 1.571 1.111

    asked by Ella
  9. Quick calc question

    Which of the following definite integrals could be used to calculate the total area bounded by the graph of y = 1 – x2 and the x-axis? the integral from 0 to 1 of the quantity 1 minus x squared, dx plus the integral from 1 to 2 of the quantity 1 minus x

    asked by Ella
  10. fandamental

    Sam is setting up the basic design for a product line for chocolate bars. The line needs to produce 200000 bars per eight hours shift and it run continuously.The conveyor is 1m wide and each bar is 20mm wide and 60mm long. if the length of line is 250m, at

    asked by dzulymanaga
  11. Science

    Why is UTC used for astronomical calculations?

    asked by Anonymous
  12. Precalculus

    Suppose that an investor wants to invest up to 10,000. She plans to buy on speculative type of stock and one conservative type. The speculative stock is paying 12% return, while the conservative stock is paying a 9% return. She has decided to invest at

    asked by AlJavin
  13. Chemistry

    Are any of these molecules aromatic? If so, why? 1. C5PH5 2. [C4N2H5]- 3. [C4B2H]2- 4. [P5]- 5. [C7H7]+ 6. [C4NH5]- 7. [C8H8]2-

    asked by Cole
  14. Help Me On Math Please, If Anyone Is Available

    A multiple choice test has 5 questions each with 5 possible answers. Find the probability of answering all the questions correctly. A. 1/3,125 B. 1/25 C. 1/625 D. 1/125 I'm on a test, and this is the only one I'm stuck on.

    asked by Tori
  15. math

    Jonathan can paint a room in 8 hrs. After painting for 2 hours, his brother, David joined him and together, they finished painting the room in 3 1/3hours. In how many hours will David finish painting the room alone?

    asked by ayr
  16. Math

    A total of Rs 14000 is invested for a year , part at 5% and the rest at 6%. If Rs 740 is the total interest , amount invested at 5% is ??

    asked by Umer
  17. Health / Joints

    All of the bones in your body, with the exception of the hyoid joint in the neck, form a joint with another bone.

    asked by kms
  18. computer programing

    : Build a program that allows a user to select one of the following four menu options: enter new integer value, print pointer address, print integer address, and print integer value. For this program you will need to create two variables: one integer data

    asked by Poohboi
  19. Science

    A rope is used to host an object with a mass of 1,3 tons vertically through a distance of 100m. The mass of the rope is 2kg per metre. Determine: the work done.the average tension in the rope and the power used if it takes 2minutes to host the object.

    asked by Minah
  20. Maths

    A pipe of radious 1 cm can fill up a tank in 20 minut ;time to taken by another pipe of radious 2 cm to fill ;it will be

    asked by Anish
  21. Chemistry

    What is the reaction of dilute HCl with Zn?

    asked by Anamika
  22. Chemistry

    No change of mass was observed when a definite amount of a mixture of KI and NaCl is converted to sulphate salts. What is the percentage composition of the mixture?

    asked by Anamika
  23. Economics - URGENT

    Suppose we now care about the long run decisions of a firm that has a production function of the form q = 4L^1/2 + K Suppose w = 1 and r = 0.5 Assume that, at the beginning when w0 = 1 and r = 0.5, the firm chose to produce q0 = 20 units of output. Then,

    asked by Sara
  24. english

    This passage implies that women in Elisa’s time and place were

    asked by Anonymous
  25. English

    1. He is a social science teacher. 2. He is a SS teacher. 3. She is a home economics teacher. 4. She is a HE teacher. 5. She is a technical arts and homemaking teacher. 6. She is a TAH teacher. 7. She is a healthe education teacher. 8. She is a HE teacher.

    asked by rfvv
  26. math

    A rectangular box of the dimensions 4 x 2 x 2 units is to be tied up with a ribbon lengthwise and breadthwise only once. For the knot, an additional 4 units of ribbon-length is required. What is the number of minimum units of ribbon-length required for

    asked by max
  27. Maths

    In a Box there are five pencils there are four boxes how many pencils are there

    asked by aditya
  28. chem-1

    a first order reaction 50% complets in 20 min.how much time will be required for 90% completion?

    asked by nisha
  29. Maths

    How many four digit numbers can be made without the first digit being 0 from 2006?

    asked by Anonymous
  30. English

    Which sentence uses an infinitive as a noun? A) The best movie to watch is coming on TV tonight at 9:00. B) Phil wanted to play video games, but he finished his homework first. C) The cheerleaders traveled to the away games to cheer for the football team.

    asked by MarK
  31. English

    How to write a frindly. Letter

    asked by Tumelo koloti.
  32. Social Studies

    Help! I am stuck on this question. Which goal led Israelis and Palestinians into conflict? a) a desire for independence and security b) religious worship at the same temples c) military dominance in the region d) political control of the same national

    asked by Abigail
  33. Math

    How long will it take to go three tenth of an mile going 80 miles an hour

    asked by Teresa
  34. General chemistry i

    Is this a redox reaction? 4Cr+3O2 -> 2Cr2O3

    asked by Dean A
  35. Math

    The temperature starts at 70 degrees and drops by 1/10 every 2 minutes. What would the temperature be after 6 mins

    asked by Trisha
  36. Health Truth or False PLEASE CHECK ANSWERS

    $$ = MY ANSWER Just as a person inherits physical traits, a person inherits personality traits as well. True $$ False 2. Peers cannot have a direct impact on your personality. True $$ False 3. Your behavior and personality sometimes come directly from role

    asked by NOPE
  37. English

    In "January," what does the speaker mean by the image in the following lines? The sun a spark Hung thin between The dark and dark. A. The sun barely shows behind the dark clouds B. The sun sends off thin sparks in the night. C. The sun appears for only a

    asked by ITS ME SARAH
  38. maths lit,business,visual arts,life sciences

    Hey so I take maths lit, business studies, visual arts and life sciences. What courses are avaliable for me to study after high school?

    asked by Fairy
  39. math

    1. You mix the letters: S E M I T R O P I C A and L thoroughly. Without looking you draw one letter. Find the probability that you select a vowel. From a fraction to simplest form. 12/5 5/12 1/3 7/12 2. You roll a standard cube once. Fine P(0) 7/6 1 1/2 0

    asked by jjiiddss
  40. Math

    Which Polygon will Always Be Irregular? A.TRIANGLE B.TRAPEZOID C.SQUARE D.HEXAGON

    asked by Mariam
  41. Algebra

    Amy throws a softball in the air with an initial velocity of 50 feet per second. She throws the softball from a height of 6 feet. The height of the softball, h, is modeled by the function h (t) = -16t^2 + 50t + 6, where t is the time in seconds. How high

    asked by Bridge
  42. Math Check

    1. Select the word that correctly completes the sentence below To convert from a smaller unit to a larger unit, you ____ by a power of ten. A) Add B) Subtract C) Multiply **** D) Divide

    asked by Kaden
  43. math

    A plane claimed 10.000m in 19.4 minutes. What was the average rate per minute

    asked by Anonymous
  44. Can I get some help on my math plz?

    The intersection of roads S and T creates a 44.4 degree angle. What are the complementary and supplementary angles of this intersection? A. The comp. angle is 22.2 degrees and the supp. angle is 55.6 degrees. B. The comp. angle is 55.6 degrees and the

    asked by Anonymous
  45. life science

    Biological term for: the presence of definite upper and lower surfaces in animals

    asked by Anonymous
  46. Math

    The diagram below shows garden. Estimate part of the garden used for planting beans. Explain how you decided.

    asked by Ashley
  47. math

    If a computer game costs 49.99 but is reduced by 15%, what is the reduction, and what is the final price?

    asked by OMG HELP PLEASE
  48. Chemistry

    Assuming an efficiency of 46.80%, calculate the actual yield of magnesium nitrate formed from 147.9g of magnesium and excess copper(II) nitrate. Mg + Cu(NO3)2 --> Mg(NO3)2 + Cu I can't figure out how to even set this up much less solve it...

    asked by Alexis
  49. maths

    for the sequence 1,4,7,11,13 find the 11th term of the sequence solution; Tn=a+(n-1)d T11=1+(11-1)3 1+(10)3 30

    asked by adeleke
  50. L.O

    What is meant by 'Designated subjects'

    asked by lissa
  51. MATH

    MARY HAS 28 BLUE MARBLES AND 30 GREEN MARBLES. JESSICA HAS 48 TIMES MORE MARBLES THAN MARY. HOW MANY BLUE MARBLES DOES MARY AND JESSICA HAVE 28 + n = 48 i just don't know how to set it up 28 x n =48 28 = 48 - n

    asked by LARELL
  52. math

    Ms. Hardin invested $70,000 in three stocks. The first year, stock A paid 6% dividends and increased 4% in value; stock B paid 8% dividends and increased 5% in value; stock C paid 9% dividends and increased 3% in value. If the total dividends were $5180

    asked by sara
  53. HElp MaTh PleasE!

    A multiple choice test has 5 questions each with 5 possible answers. Find the probability of answering all the questions correctly. A. 1/3,125 B. 1/25 C. 1/625 D. 1/125 How do you do this problem?

    asked by Kaye
  54. Math

    A trapezoid has two parallel sides. Why isn't it classified as a parallelogram? This is not on my assignment I'm just curious...

    asked by Anonymous
  55. Economics

    Why is the equilibrium wage higher for doctors than for convenience store clerks? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ A. The demand for convenience store clerks is equal to the demand for doctors. B. Supply of doctors is relatively low, and the demand is

    asked by Hazel
  56. algebra

    A research scientist measures the outside temperature, in degrees Fahrenheit, at various times throughout a 24-hour period and records her findings in the graph below. In this real-world function, the hours represent the input values, and the temperature

    asked by crissy
  57. math literacy,life science ,history ,design

    What career can I choose with these subjects

    asked by tamera
  58. algebra

    The Jackson High School gymnastics team sells calendars for their annual fundraiser. The function rule below describes the amount of money the team can raise, where y is the total amount in dollars, and x is the number of calendars sold. y x = + 3 28 Use

    asked by crissy
  59. Economics

    A public good is an example of a: A. market failure B. monopoly C. charity D. none of the above****

    asked by Hazel
  60. algebra

    How can you represent the terms of a sequence explicitly? How can you represent them recursively?

    asked by cj
  61. Economics

    What is an important characteristic of the M1 money supply? A. liquidity**** B. durability C. flexibility D. solidity

    asked by Hazel
  62. Economics

    Income not used for consumption is: A. savings**** B. spending C. donations D. none of the above

    asked by Hazel
  63. science

    P +HNO3 gives HPO3 + NO Balance the chemical equation by oxidation no. method

    asked by mohd atif
  64. Chemistry

    a 30 mL sample of vinegar is titrated with .1098 M NaOH. it takes 43.28 mL naOH solution to reach the endpoint. Determine the acetic acid concentration in the vinegar solution?

    asked by Jeff S.
  65. math

    4. The legs of a right triangle measure 24 feet and 45 feet. What is the length of the hypotenuse? (1 point) 51 ft 69 ft 38.07 ft 8.31 ft 5. Which of these cannot represent the lengths of the sides of a right triangle? (1 point) 3 ft, 4 ft, 5 ft 6 in., 8

    asked by mmm
  66. Health, safety, and nutrition

    All of the following help teachers to create an environment that enhances and supports the natural rhythms of eating EXCEPT:

    asked by Sandra
  67. Chemistry

    A 25.00 mL sample of sulfuric acid is titrated with 6.02 x 10^2 M barium hydroxide. The equivalence point is reached at 21.68 mL of barium hydroxide solution. what is the molarity of the sulfuric acid solution?

    asked by jess
  68. broward college

    collagen vascular disease ,affect the protein collagen ,the main component of collagen fibers. predict the possible consequence of defective collagen fibers on specific organs and tissues how would effect of collagen vascular disease that affected only the

    asked by mina
  69. N/A

    The most basic software required for an online course where writing is involved is:

    asked by chris
  70. Social studies

    Why did Pope Urban II call for christians to go on a Crusade? To win back the Roman empire. To win back the holy land. (MY ANSWER) To conquer the Byzantines. To conquer the Muslims in Spain.

    asked by LOVE
  71. English

    Which sentence contains an indirect object? a. The radio warned us of the storm. b. The police gave everyone three hours to evacuate. c. Carl remained at home on the island. d. He escaped the storm in a boat.

    asked by Alex
  72. Health

    The type of medical professional who makes sure your eyes are healthy and free of disease is a? A.Nutritionist B.oncologist C.ophthalmologist* D.pediatrician

    asked by Haha
  73. Social studies

    How did the black death most contribute to the end of feudalism? People falsely blamed Jews and beggars for the disease, so these people moved away. The spread of the disease created religious doubts many faithful Christians. (MY ANSWER) Widespread deaths

    asked by LOVE
  74. physics

    A snowball rolls of a roof by accident. The roof is sloped 40.0 o relative to the horizontal. The edge of the roof is 14.0 m above the ground, and the speed of the snowball is 7.00 m/s as it rolls off the roof. Ignore air resistance. Coincidentally, there

    asked by tom
  75. u.s. history

    . In 1840 the population of chicago was only 4,470. by 1990 the city's population was 1, 698,575 which factor best explains the population change A- the constructuion of railroads connecting northeastern cities and Midwestern farms B- the reduction in

    asked by Anonymous
  76. Unit Test! Help! ;[

    why did the British look to colonize the region, and how did that affect the indigenous people? Help!

    asked by Anonymous
  77. Algebra 2

    Slips of paper with the numbers one through 20 are placed in a hat. If a slip of paper is pulled out of the hat and discarded and then another slip of paper is picked find the probability of both numbers will be greater than 18 or both numbers will be less

    asked by Anonymous
  78. Algebra

    A red ribbon is 2x cm long. A blue ribbon is 3 times long as the red ribbon. What is the total length of the ribbon?

    asked by Xyz
  79. Iife orientation

    Propose 6 practical actions that you can take to addres human rights violations of xenophobia in your community

    asked by Zama
  80. prealgebra

    a local pool charges a $6 sign up fee plus $2 per visit as as summer special. Another pool runs a summer special that only charges $3 per visit. Write a system of equations to represent this situation. Is it 6+ 2x=y 3x=y

    asked by mike
  81. Social Studies

    if you wanted to catch a rain shower while visiting Israel, Where would you most likely visit 1)Southern Israel 2) east of Jordan river 3) The dead sea 4) The Mediterranean sea** D?

    asked by Laci
  82. MATH

    Which ordered pairs are solutions to the equation? y = 3x – 4 A. (11, 5) and (2, 2) B. (5, 11) and (3, 2) C. (5, 11) and (2, 3) D. (5, 11) and (2, 2)

    asked by KYLIE
  83. science

    A cylinder contains a moles of hydrogen at 0 degree celsius and 76cmHg.calculate the amount of heat require to raise the temperature of hudrogen to 50 degree celcius.keeping the pressure constant and what is the volume of hydrogen when at 0 degree celsius.

    asked by Aleshe sulihat
  84. Geometry

    Name the angle that is supplementary to

    asked by Sid.V
  85. Mayh

    The height of a ball thrown straight up from the ground into the air at time 't', is given by: h=8t-10t^2 What is the time to go up and fall to ground

    asked by Alex
  86. Urgent! PLZZ HHEELLPP!!

    12.) Which of the following sentences uses a pronoun in the objective case? A. He just did an amazing magic trick. B. His sister said the solution is a secret. C. Please tell me how Mike did the trick! D. I wish I were as good a magician as Mike!**** 13.)

    asked by Stop being rude
  87. Math

    I'm really struggling with this -- I have different table configurations - straight line, L-shaped, plus sign-shaped, and T-shaped. Suppose there are n tables arranged in these patterns. I need to write an expression of the number of tables with 2 chairs.

    asked by Carly
  88. Math

    If the temperature is a minus eight degrees and rises four degrees every hour for four hours, what will the temperature be??

    asked by Lisa
  89. science help

    Which of these questions can be answered through science? What is the best water sport? Why should we value honesty? Why does water change into steam? What is the most important thing in life? is it c

    asked by Oscar
  90. Math

    I am trying to help my grandson with his math homework. When I went to school we never learned this and I am at a loss. The question is: Create an equivalent expression at includes at least one parenthesis so that the value of the expression is 144. The

    asked by Patricia
  91. science help

    A scientist plans to find out the percent of teenagers who like science. She interviews 500 teenagers leaving a science museum and finds that 450 of them like science. The scientist concludes that 90 percent of teenagers like science. Why is the

    asked by Oscar
  92. Math

    You save half of the money from your paycheck plus an extra six dollars to buy a new bike. Write an expression for the amount of money you save from each paycheck

    asked by Alex
  93. further maths

    the first 3 terms of an AP are x, 2x+1 and 5x-1. find x and the sum of the first 10 terms

    asked by precious
  94. Algebra

    Write an equation for the translation of the function. y = cos x; translated 6 units up A. y = cos x- ­ 6 B. y = cos(x + 6) C. y = cos x + 6 D. y = cos(x ­ 6) I think its B or c..

    asked by Veronika
  95. literature help

    what does connotation and denotation mean and provide sentances using them in it. I really need help :(

    asked by hello2248
  96. Language Arts

    I am almost finished with my books vs movies essay and I am team books all the way, however I am not sure how to conclude my essay. Any help is very appreciated! Heres my essay: Never Judge a Book by its Movie For all of cinematic history book lovers have

    asked by Darth Vader
  97. Science

    Calculate the amount of heat required to completely convert 1kg of water at 0°C to the boiling point at 100°C?

    asked by Joe
  98. Social Studies CHECK MY ANSWERS

    ^^^ = MY ANSWER 1. What event caused four additional Southern states to secede from the Union? A.The U.S. accepted West Virginia as a state. B.The South fired on Fort Sumter.^^^ C.Lincoln declared the Emancipation Proclamation. D.Lincoln raised an army. 2.

    asked by GOY
  99. Physics

    A truck is moving away at 30 mph from a car moving towards the truck at 60 mph. If the truck emits a horn of frequency 500 Hz, what frequency does the driver of the car hear to 3 significant digits? how do i solve i know the answer is 519hz but how?

    asked by Victor
  100. Social Studies 8

    1.Describe the effects of the Great Depression on Georgians. a.Georgians were forced to barter rather than use cash.**** b.Women returned to the workforce. c.Georgians who worked in industry lost jobs and homes.*** d.It was easier for minorities to find

    asked by Reign
  101. Math-Algebra

    Find the GCF of the terms of the polynomial. 12x+20 2 4 5 10 Some help on how to solve this please?

    asked by LadyPhantomhive
  102. Chemistry

    Pyridine, a substance used as a catalyst in some synthetic reactions is a very weak base its degree of ionization is equal to 0.03% in solution 0.02 mol L -¹. Determine the ionization constant.

    asked by Michael
  103. Algebra 1

    Algebra 1 help please :( Use the point-slope from linear equation given to complete the following problems.... y+4=-4(x-2) 1. What is the slope of the given line? 2. What point does this line pass through, which is the basis of this equation? 3. Rewrite

    asked by Anonymous
  104. Math

    Marisa says that reflecting a point across the x axis and then reflecting its image across the y-axis will produce the same final image as just reflecting the original point across the line y equals x is this true?

    asked by Jose
  105. Algebra

    For the pair of similar solids, find the value of the variable. radius 15cm height 6cm the other is radius 5cm height x cm 3cm **** 18cm 16cm 2cm For the pair of similar solids, find the value of the variable. base x mm height 24mm the other base 4mm

    asked by Lost
  106. MATH HELP

    a company carries an $630,000 inventory. The company estimates the annual cost of carrying the inventory at 35% of the ihe inventory value. What is the approximate ANNUAL cost of carring the inventory?

    asked by BRAD
  107. science help check

    Which of these is an example of an experiment? plant growth is affected by temperature leaves may change color due to temperature add different quantities of water to three potted plants the plant which gets the most sunlight grows the fastest is it c

    asked by Oscar
  108. Math

    of the following is a possible measure of the area of a square rug? • 18 square feet • 24 square feet • 36 square feet •• • 48 square feet Based on your answer to the previous question, what would the length of one side of the rug be? • 4

    asked by Tj
  109. Chemistry

    Are these isotonic hypertonic or hypotonic. 1.5% w/v NaCl 5.0% w/v glucose 0.55%w/v NaCl And why??

    asked by Angel
  110. science help

    Four groups of students, in different parts of the world, are investigating the reason why the shape of the moon changes from time to time. If the results of their investigations are considered valid, they would most likely be A) complex B) identical C)

    asked by Oscar
  111. english

    Choose the letter of the word or phrase best matches the word in italics. The campfire was visible *glimmering* between the trees. Answers are Intermittently, Intermittently conspicuously Brightly Weakly

    asked by eman
  112. Math

    Elisa think about a number between 10 and 20 that has exactly 2 factor. What number did she is thinking?

    asked by Quack
  113. Math

    Trina has 90 tootsie rolls and 45 bliw pops that she is making goodie bags for kids in the club. If there are 48 kids in her saddle club and she wants each bag to have the same number of tootsie rolls and blow pops, does she have enough candy to give each

    asked by Amy
  114. Math-Algebra

    Factor the polynomial 17xy^4+51x^2y^3 7xy(10y^4+44xy^2) 17xy^3 (y+3x) 17xy(1+ 1/3 xy^2) xy(17+51y^2) Can I have some help on solving this please?

    asked by LadyPhantomhive
  115. Social Studies help

    Describe the military strategy that General William T. Sherman used across Georgia and South Carolina. Explain how the strategy affected the South, as well as how Southerners reacted. Describe at least two challenges freedmen faced immediately after the

    asked by GOY
  116. math

    simplify the expression, x+x2-x

    asked by summer
  117. Math

    estimate the value of 50 square. Between 5 and 6 Between 6 and 7 Between 7 and 8 Between 8 and 9

    asked by Tj
  118. science help

    A scientist uses a computer model to understand a widely accepted theory about Earth's surface. The computer model would most likely help the scientist to... A. reduce the intensity of earthquakes B. discover new facts about the theory C. stop the creation

    asked by Oscar
  119. Math

    What is the cost per ounce for a bag of chips that costs $ 4.88 for 16 ounces?

    asked by Amy
  120. science help

    A scientific question should be vague creative non-testable non-repeating is it b

    asked by Oscar
  121. Pre-algebra

    -5y-5(-6-2y)=0

    asked by lol
  122. Social Studies

    Help! I am stuck on this question. Which goal led Israelis and Palestinians into conflict? a) a desire for independence and security b) religious worship at the same temples c) military dominance in the region d) political control of the same national

    asked by Abigail
  123. p

    Please help me with all steps -5y-5(-6-2y)=0

    asked by lol
  124. Calculus

    Sketch the region on paper. If it is a finite region, find its area. Round your answer to three decimal places. (If the area is not finite, enter NONE.) S = {(x,y) | x ≥ −4, 0 ≤ y ≤ e-x/2}

    asked by Kaitlyn
  125. Calculus

    Use the graph of f(t) = 2t + 3 on the interval [-3, 6] to write the function F(x), where F(x)= ∫f(t) dt where a=3 b=x. F(x) = 2x^2 + 6x F(x) = 2x + 3 F(x) = x^2 + 3x + 54 F(x) = x^2 + 3x - 18 Honestly have no idea where to start. Do i take the derivative

    asked by Henry
  126. Pre-algebra

    PLEASE SHOW ALL STEPS 15-(4m-5)=32 I am just so pleased with this website I love it soooooooooooo much

    asked by lol
  127. Math

    What two integers is square root 70 between? 7 and 8 8 and 9•• 9 and 10 35 and 36 Correct this

    asked by Tj
  128. STATISTIC

    Joe dealt 20 cards from a standard 52-card deck, and the number of red cards exceeded the number of black cards by 8. He reshuffled the cards and dealt 30 cards. This time, the number of red cards exceeded the number of black cards by 10. Determine which

    asked by Vedrana
  129. Math

    A friend brought 2 boxes of pencils and 8 notebooks to school and it cost $11. He went back and spent $11.25 on 3 boxes of pencils and 5 notebooks. How much would 7 notebooks cost?

    asked by Anonymous
  130. Math

    A jet is flying through wind blowing 55mi/h at a bearing (clockwise from north) of 35°. The jet is flying with a speed of 550 mi/h at a bearing of 65°. Find the resultant of the planes velocity vector and the winds velocity vector. Also find its

    asked by Adam
  131. science help

    A scientific question should be vague creative non-testable non-repeating

    asked by Oscar
  132. Pre algebra

    3(1+4n)-2(5n-3)=25 please help me and write all the steps if you can.......

    asked by Alison Chase
  133. Marketing

    Please need help with this question. Visit these sites and think about the role that they play in the new breed of channel intermediaries. United Parcel Service Roadway Express

    asked by Melissa
  134. Math

    The iron cross is a skiing trick in which the tips of the skis are crossed while the skier is airborne. Find the value of x in the iron cross shown.

    asked by Anonymous
  135. History

    I cannot find this answer anywhere in my text. If anyone could help I would greatly appreciate it! 1. Which of the following best describes the Southern attitude toward goods and supplies at the beginning of the Civil War? a. They believed they could get

    asked by Blair
  136. Math

    What is the product of a number and 9, less 20, is 7

    asked by Anonymous
  137. Calculus

    The rate at which water flows into a tank, in gallons per hour, is given by a differentiable function R of time t. The table below gives the rate as measured at various times in an 8-hour time period. t---------0-----2------3-------7----8 (hours)

    asked by Henry
  138. Ps 179

    People filled all the seats in the front section of the theater the front section has 6 rows with 40 seats in each row how many people are in the front section of the theater?

    asked by Alexander
  139. Physics

    Three uniform spheres are located at the corners of an equilateral triangle. Each side of the triangle has a length of 2.50 m. Two of the spheres have a mass of 4.40 kg each. The third sphere (mass unknown) is released from rest. Considering only the

    asked by K
  140. Math

    Is there a way to send pictures on this website so I can have help with Geometry?

    asked by Anonymous
  141. Math

    A throw rug is 8 feet long and 4 feet wide it is a rectangular room with an area of 100 square feet how much of the room is not covered by the rug

    asked by Marqueze
  142. MATHS

    Alice sold 7 packs of pencils and 22 separate pencils and Betty sold 5 packs and 2 separate pencils. Alice sold twice the amount betty sold, how much pencils are in a pack?

    asked by jenny
  143. Math

    A game show has three doors labelled A,B, and C behind which there may or may not be a prize. A group of contestants are asked behind which doors they think there is a prize. The results are that 18 people choose A, 19 people choose B, 19 people choose C,

    asked by Rose
  144. Algebra 2

    In triangle ABC,

    asked by Veronika
  145. mathematics

    to make 5 sets of curtains, when each set requires 2 1/3yards, how many of material are needed? (1) 7 1/3 (2) 9 2/3 (3) 10 1/3 (4) 10 2/3 (5) 11 2/3

    asked by MG
  146. Physics

    The figure shows an arrangement in which four disks are suspended by cords. The longer, top cord loops over a frictionless pulley and pulls with a force of magnitude 93.4 N on the wall to which it is attached. The tensions in the shorter cords are T1 =

    asked by Nick
  147. Algebra 2

    To solve 49(3x) = 343(2x+1), write each side of the equation in terms of base what? . In the brackets are powers. I tried to solve this but I don't understand I believe it is the first base you go off from but I'm not sure what I'm doing and a reassurance

    asked by Ryan
  148. MATH

    NUMBER LINE 0 - - - - - - - 1 ?

    asked by Carla
  149. Sign Language

    Hi I would like for my answers to be checked for these two questions (Note: I'm not sure if the 2nd one is correct): 1. Several school-related words are based on which sign? a. book b. learn c. school d. study My Answer: book 2. How do you change a

    asked by Jazmine
  150. Geometry

    Given a soda can with a volume of 21 and a diameter of 6, what is the volume of a cone that fits perfectly inside the soda can? (Hint: only enter numerals in the answer blank). 7 because volume of a cylinder is pi r^2 h, and a cone is 1/3 pi r^2 h, which

    asked by Jessie
  151. Chemistry

    What functional group(s) is(are) in 4-hydroxoybenzoic acid? My Answer: Would it be carboxylic acid and an ester?

    asked by Anonymous
  152. Geometry

    Given a cube with a volume of 18 cm3, what is the volume of a square pyramid that can fit perfectly inside the cube? this would be 6cm^3, right? since 3√18 is 6?

    asked by Jessie
  153. Math

    What is the approximate volume of a sphere with a radius of 9 in.? Use 3.14 to approximate pi and express your answer in hundredths. I got 2147.76 in3(cubed) is that right?

    asked by Trinity
  154. Algebra 2

    1/64=16^2a 4^-3=(2^4)^2a 4^-3=2^8a -3=8a -3/8=a I don't understand what I'm doing incorrectly can some please explain to me,in detail

    asked by Ryan
  155. math, help please !

    use the following instructions for problems 1 and 2: for a right triangle with legs a and b and hypotenuse c, find the missing side length. round your answer to the nearest tenth, if necessary. 1. a = 5;b = 10 - 3.9 -11.2 -8.7 -125 2. a = 9;c=15 -12 -17.5

    asked by bean
  156. physics

    A lumberjack (mass = 98 kg) is standing at rest on one end of a floating log (mass = 235 kg) that is also at rest. The lumberjack runs to the other end of the log, attaining a velocity of +3.2 m/s relative to the shore, and then hops onto an identical

    asked by Tara
  157. physics

    A two-stage rocket moves in space at a constant velocity of 4800 m/s. The two stages are then separated by a small explosive charge placed between them. Immediately after the explosion the velocity of the 1290-kg upper stage is 5600 m/s in the same

    asked by Tara
  158. China Grove Middle

    Gavin goes to the market and buys one rectangle shaped board. The length is 16cm & width is 10cm. If he wants to add a 2cm border, what is the area.

    asked by Cody
  159. History

    The Bourbon Democrats would have been likely to support which of the following? (Choose all that apply.) 1. lower taxes 2. less government spending 3. growth of industry 4. African American rights 1 and 4 ?

    asked by Samantha
  160. reading

    What is the prefix, suffix, and root for slavery? No prefix Suffix-ery or ry? Root- slave Is my suffix correct, if yes what is the definition?

    asked by Lana
  161. Geometry

    An observer (O) is located 660 feet from a tree (T). The observer notices a hawk (H) flying at a 35° angle of elevation from his line of sight. How high is the hawk flying over the tree? tan 35= h/660 0.70020753821= h/660 0.70020753821 * 660= h

    asked by Jessie
  162. Physics

    We can physically model the axonal membrane (axolemma) as a parallel plate capacitor with dielectric in it. If the capacitance per unit area in F/m^2 is known, what single additional parameter needs to be measured in order to determine the dielectric

    asked by Physics lover
  163. Physics

    When the body temperature drops, this has the effect of reducing the potential across the axonal membrane slightly. At a body temperature of 30°C, the potential difference experimentally measured concentration of Na+ ions inside the lipid bilayer is 10^18

    asked by Physics lover
  164. socialstudies

    Which of the following was not a business venture that began in Georgia? A. Coca-Cola B. Atlanta Life Insurance Company C. Jekyll Island Club D. Macy's

    asked by Jake
  165. Adelphi

    Which is a guideline for doctors pursuing research with human subjects?

    asked by Sally
  166. Math

    A menu offers the choices 3 main dishes (chicken,fish,steak), 4 side items(green beans,mash potatoes,mac and cheese, and broccoli) and 2 desserts(ice-cream and cake).What is the probability that someone will pick ice-cream as their dessert?

    asked by Niya
  167. french

    Les élèves vont __ lycée

    asked by Anonymous
  168. algabra

    a train and a bus leave at 10:00 a.m. from towns 45 mi apart. they travel toward each other. the bus travels at 40 mph. the train travels at 50 mph. at what time do they meet?

    asked by Anonymous
  169. math

    what is the equivalent ratio of 12 to 12?

    asked by Anonymous
  170. Math

    The rates for Internet use offered by three companies are shown below. Company A: $6.00 every 90 minutes of use Company B: $2.75 every 45 minutes of use Company C: $3.00 for every 60 minutes of use Which company offers the lowest rate per minute?

    asked by Anonymous
  171. math

    Steven borrowed $5000.00 from bank a for a 3% per annum for 3 years Fred borrowed $5000.00 from bank b for a 4% for 2 years who pays more interest on his loan

    asked by ryan
  172. math 4th grade

    Bethany collected 0.7 inch of rain in her rain gauge. How many hundredths of an inch did she collect?

    asked by nico
  173. physics

    A boxcar of mass 3.21 x 10^4 kg is rolling south at 5.16 m/s when it collides and couples with another boxcar of mass 5.18 x 10^4 kg that is rolling north at 2.38 m/s. What is the velocity of the coupled boxcars after collision? Take north as positive and

    asked by lizbeth
  174. calculus

    The radius of a right circular cylinder is given by sqr( t + 6) and its height is 1/6 sqr(t) , where t is time in seconds and the dimensions are in inches. Find the rate of change of the volume with respect to time.

    asked by francisco
  175. math

    death valley has elevation of -282 feet relative to sea level. Explain how to use absolute value to describe the elevation of death valley as a positive interger

    asked by Anonymous
  176. Spring Physics

    A block of mass 3 kg is hung from a spring, causing it to stretch 9 cm at equilibrium. The 3 kg block is then replaced by a 4 kg block, and the new block is released from the position shown below, at which point the spring is unstretched.WHAT IS THE LENGTH

    asked by Jennifer
  177. CHEMISTRY! HELP

    I'm not sure how to do or show the work for these two questions. A) & B.)!! please anyone help: A.) Suppose a chemical reaction starts with 5.00 g of copper (i) nitrate and 2.00 g of magnesium chloride. Balanced Equation: 2 CuNo3 + MgCl2 ---> 2 CuCl +

    asked by Maddie
  178. Physics

    A pellet (20g) is launched horizontally off a cliff (20m high) from a spring-loaded gun. The spring has constant k= 1800 N/m and is compressed 0.10m before launch. How much energy is stored in the spring before launch? If all that energy is transferred to

    asked by Danielle
  179. STATISTIC

    A die with 12 sides is rolled. What is the probability of rolling a number less than 11? Is this the same as rolling a total less than 11 with two six-sided dice? Explain. A. 2/6 B. 3/6 C. 4/6 D. 5/6 My answer is d ,is it correct

    asked by Vedrana
  180. Physics

    An artillery gun on a battle ship is capable of launching a shell at a vertical velocity of 400 m/s. A target is 40 Km away and 500 m above the ground. what is the maximum range the target can be away from the gun if the target is 500 m above the ground?

    asked by Abdul
  181. chemistry

    If you mixed 100 grams of magnesium nitrite with 100 grams of lithium phosphide and made magnesium phosphide and lithium nitrite how many grams of each product would you make and how many grams of each reactant would be left over at the end.

    asked by anonymous
  182. MATH HELP

    Select the polynomial that is a perfect square trinomial. 9x^2 + 9x + 1 36b^2 − 24b + 8 16x^2 + 24x + 9 4a^2 − 10a + 25

    asked by anonymous
  183. math

    In how many ways a selection can be made of atleast one fruit of 5 bananas, 4 mangoes and 4 almonds

    asked by vivek
  184. Math

    if f be a function such that d/dx[x^2+1)f(x)]=2xf(x)+3x^4+3x^2 what is f(x)?

    asked by James
  185. chemistry

    if you mixed 100 grams of Magnesium nitrite with 100 grams of Lithium Phosphide and made magnesium phosphide and lithium nitrite how many grams of each product would you make and how many grams of each reactant would be left over at the end?

    asked by Anonymous
  186. math

    If Brittney is making trays of fudge.Her recipe calls for 2/3 cup of walnuts for each batch of fudge .How many cups of walnuts does she need to make 27 batches of fudge?

    asked by Maya
  187. Physics

    A bike pump has a 2.3 cm diameter piston that can move a maximum length of 35 cm. How much work is done on the air in the pump if the initial pressure is 1 atm and the final pressure is 4.4 atm?

    asked by Aly
  188. math

    Hazel is making chocolate milk. She added 1/4 cup chocolate syrup to 2/3 cup milk.How much chocolate milk did Hazel make?

    asked by Maya
  189. Math

    Solve: 0=x/30-0.01y+0.07

    asked by Aria
  190. Math

    So, I need to find the mass of a cube. I have diameter of 16.4 micrometers, and density of 1,000 kg/m3. I can find all kinds of formulas for spheres, but not for cubes?

    asked by Jessica
  191. math

    Emily's baby brother spends 7/8 of his day sleeping.How many hours does his baby brother sleep?

    asked by Maya
  192. Calculus

    Show, using the properties of limits, that if lim x-->5 f(x)=3 then lim x---->5 x^2-4/f(x)=7

    asked by Morris
  193. Chemistry

    If I have 275 mL of a 1.5 M NaBr solution, what will the concentration be if I add 450 mL more water to it?

    asked by Anonymous
  194. Math

    At a school of 1400 students, 800 are currently enrolled in English, 740 are enrolled in mathematics and 325 are enrolled in both subjects. How many students are enrolled neither English nor Mathematics? I got 650 is this right?

    asked by Rose
  195. Physics

    Melvin pulls a sled across level snow with a force of 345 N along a rope that is 31◦ above the horizontal. If the sled moved a distance of 34.5 m, how much work did Melvin do?

    asked by Spooby
  196. math

    A student sells tickets to a school play . Adults ticket cost $8 each , and children tickets cost $5 each. The student sells a total of 12 tickets and collects a total of $72 from the ticket sales. How many adults tickets does the student sell?

    asked by Fabian Heras
  197. Physics

    An outfielder throws a 2.12 kg baseball at a speed of 114 m/s and an initial angle of 54.8 ◦ . What is the kinetic energy of the ball at the highest point of its motion?

    asked by Spooby
  198. Geometry

    ted skated through one of the face off circles at a hockey rink. His path through the circle is shown in the figure. Given that the face off circle is 15 feet in diameter what distance within the face off circle did Ted travel?? If you google this there

    asked by Anonymous
  199. PHYSICS ASAP PLEASE

    A pellet (20g) is launched horizontally off a cliff (20m high) from a spring-loaded gun. The spring has constan k=1800 N/m and is compressed 0.10m before launch. How much kinetic energy does the pellet have just before it hits the ground? How fast will the

    asked by Daniel
  200. health

    Need Help ! An instrument called a ________ is used to measure the volume of air that moves into and out of the lungs. A. Hydrometer B. Barometer C. Spirometer D. None of the above I think its D , But Don't Wanna Get Wrong .

    asked by matt
  201. Math

    A rectangular box is 4cm wide, 4cm tall, and 10cm long. What is the diameter of the smallest circular opening through which the box will fit? Round to the nearest tenth of a centimeter. Is it 4 squared plus 4 squared which equals 32 then take the square

    asked by KIM
  202. Math

    If a small airplane weighs 10,000 pounds how many ounces does it weigh

    asked by Maya
  203. Social Studies (Check, Please!)

    1. What were three reasons for the growth of the youth movement of the 1960s? A: The rapid increase in enrollment at colleges throughout the nation, concern about the future, and injustices in the political and social system were three reasons for the

    asked by Victoria
  204. physics

    A boxcar of mass 3.21 x 10^4 kg is rolling south at 5.16 m/s when it collides and couples with another boxcar of mass 5.18 x 10^4 kg that is rolling north at 2.38 m/s. What is the velocity of the coupled boxcars after collision? Take north as positive and

    asked by lizbeth
  205. Math

    A commission agent receives 5.4% for her sales she received $ 6.48 for one of sale how much is the sale amount?

    asked by Teji
  206. Orgo

    Draw a formula for the lowest molecular weight compound that contains C, H, and possibly O, N or S, is a chiral compound, contains ONLY one functional group, and is a chloroalkane.

    asked by Hayley
  207. math

    a bag of marbles contains 5 green marbles,4 red marbles, and six yellow marbles. What is the probability of drawing 2 yelo0w marbles with replacement

    asked by xXx_pedro_xXx
  208. math

    Jessica wants to invest $40,000 in two accounts. The annual returns of the accounts are 8% and 6% of her investment. Jessica would like to have an annual return of $2,500 from her two investments. Set up, but do not solve, the set of linear equations that

    asked by steve
  209. Physics

    A student weighing 673 N climbs at constant speed to the top of an 11 m vertical rope in 14 s. What is the average power expended by the student to overcome gravity?

    asked by Spooby
  210. Physics

    Water flows over a section of Niagara Falls at the rate of 1.3 × 106 kg/s and falls 49.8 m. How much power is generated by the falling water? The acceleration of gravity if 9.81 m/s^2.

    asked by Spooby
  211. algebra

    In a triangle,the second angle is twice the first. The third angle is six less than than triple the first.

    asked by Jess
  212. algebra

    In a triangle,the second angle is twice the first. The third angle is six less than triple the first.

    asked by Jess
  213. Math Help plz

    A multiple choice test has 5 questions each with 5 possible answers. Find the probability of answering all the questions correctly. A. 1/3,125 B. 1/25 C. 1/625 D. 1/125 How do you do this problem?

    asked by Be Sweet! <3
  214. Physics

    A car (1100kg) skids up a hill inclined at 6 degrees. Its initial speed is 20m/s and skids 50m before stopping. When it stops, how high is it above where it started? How much potential energy did it gain? How much energy was lost to friction? What is the

    asked by Mary-Lynn
  215. Math

    There are 60 balls, 17 are red and the rest are black. If I draw 7 balls what's the probability that at least 3 are red?

    asked by John
  216. Math

    The sides of two similar trapezoids are in a ratio of 1:3. The area of the smaller trapezoid is 12 inches squared. Find the area of the larger trapezoid

    asked by Abbey
  217. PHYSICS

    A light spring (k= 130 N/m) is compressed 15 cm between two masses (1.2 kg and 2.4 kg) on a frictionless surface. The system is released and the masses fly apart. Which mass will have the larger magnitude momentum? Why? Which mass will have more kinetic

    asked by Camille
  218. Chemistry (balancing equations)

    Balanced Equation: 2 CuNo3 + MgCl2 ---> 2 CuCl + MgNO3 Is this correct?

    asked by M
  219. Social studies

    Rome turned conquered people into allies using military strength and? A. diplomacy. (MY ANSWER) B. plebeians. C. patricians. D. tributes.

    asked by LOVE
  220. Science

    Physics question -A driver of a car travelling at 72km/h, applying brakes and accelerates uniformly in opposite direction at the rate of 5m/s2. How long will the car take to come into rest ? How far will the car covered a distance after applying bra

    asked by Akki
  221. Dynamics

    A 5.1 oz baseball is hit from 2 ft above the ground. It has an initial velocity of 165 ft/s at an angle 40 degrees above horizontal. Find the Kinetic Energy of the ball at its maximum height. Work: At max height, the vertical velocity is zero. the

    asked by Jimmy
  222. Social studies

    1.which of the following do historians not consider a legacy of the Byzantine Empire? a)Justinians code: an organazation of roman laws. b)Eastern orthadox church: a combination of Eastern culture and Christianity. c)cyrillic alphabet: a combination of

    asked by LOVE
  223. Physics

    A 50-kiligram block initially at rest on a flat, level and smooth surface is pulled by 6.0 Newton acting 37 degrees North above the horizontal. Find the normal force and acceleration of the block.

    asked by Jay
  224. college pre calculus

    A kite frame is to be made from 6 pieces of wood. The four border pieces have been cut 5 and 12. The long center piece is 13. what should the length of the cross pieces be in order to maximize the area of the kite.

    asked by Jenna
  225. Algebra 2

    A sound wave is modeled with the equation y= 1/4 cos2pi/3 theta. a. Find the period. Explain your method. b. Find the amplitude. Explain your method. c. What is the equation of the midline? What does it represent? a) Period: 2pi/b 3 units T= 2pi/2pi/3 =

    asked by Veronika
  226. Algebra

    he sum of three integers is 193. The sum of the first and second integers exceeds the third by 85. The third integer is 15 less than the first. Find the three integers.

    asked by diane
  227. Math

    Which set of numbers best describes the displayed weight on a digital scale that showe each weight to the nearest half pound?

    asked by Kyle
  228. Social studies

    __________ introduced Europeans to Muslim inventions, such as the astrolabe that helped sailors navigate the seas. a. The Crusades (MY ANSWER) b. The Reconquista c. The Vikings d. The Magna Carta

    asked by LOVE
  229. Pre algabra

    Looking for help on this. Can you help

    asked by Jill
  230. Calculus

    Find the number b such that the line y = b divides the region bounded by the curves y = x2 and y = 4 into two regions with equal area.

    asked by nan
  231. Algebra

    Use a system of equations to solve the following problem. The local theater has three types of seats for Broadway plays: main floor, balcony, and mezzanine. Main floor tickets are $59, balcony tickets are $50, and mezzanine tickets are $40. One particular

    asked by diane
  232. Calculus

    Find the area of the region bounded by the graphs of y = x, y = −x + 4, and y = 0. 1 2 4 None of these

    asked by nan
  233. Physics

    A solid disk rotates in the horizontal plane at an angular velocity of 0.0653 rad/s with respect to an axis perpendicular to the disk at its center. The moment of inertia of the disk is 0.156 kg·m2. From above, sand is dropped straight down onto this

    asked by Physic
  234. Social Studies

    What were the causes of the following: Jesse Jackson Cesar Chavez Dolores Huerta José Ángel Gutiérrez

    asked by Victoria
  235. Calculus

    Find the area of the region bounded by the graphs of y = 2 − x2 and y = −x.Find the area of the region bounded by the graphs of y = 2 − x2 and y = −x.

    asked by nan
  236. algebra

    two investments totaling $35,000 produce an annual income of $1395. One investment yields 6% per year, while the other yields 3% per year. How much is invested at each rate?

    asked by notsobright
  237. Math

    Sarah correctly answers 45 questions on her history test. There are 50 questions on the test Enter the percent of the questions sarah answered incorrectly

    asked by Frida
  238. Chemistry lab

    1)Why is it necessary to heat the alum until its mass does not change by more than 2mg? 2)Why its it necessary to store the alum in a disccator while it cools before measuring the mass? ( systhesis and analysis of alum crystals experiment)

    asked by Paul
  239. Math

    Two circles with radii of 3cm and 4cm what is the ratio of the area?

    asked by Anonymous
  240. algebra

    the sum of three integers is 220. The sum of the first and second integers exceeds the third by 94. The third integer is 55 less than the first. Find the three integers.

    asked by diane
  241. science

    A cylinder contains a moles of hydrogen at 0 degree celsius and 76cmHg.calculate the amount of heat require to raise the temperature of hudrogen to 50 degree celcius.keeping the pressure constant and what is the volume of hydrogen when at 0 degree celsius.

    asked by Aleshe sulihat