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Now can you please tell me if I am right for the following problems: The speed of rain is about 1,100 feet per second. If you observe a flash of lighting and then hear the thunder 5 seconds later how

36,851 results
  1. algebra homework help

    student missed 11 problems on a Chemistry test and received a grade of 65%. If all the problems were of equal value, how many problems were on the test? Round off your answer to the nearest integer. X= # of problems 11= # of missed problems 65% of correct
  2. math

    algebra is used to solve problems of age, speed,unknown numbers. What are other parts of word problems you know atleast 12 ?
  3. Maths

    "slow drivers" contribute to road rage problems and the police officer noticed that 2 of the 150 drivers in her survey caused problems for other drivers because of their slow speed. Use normal distribution and this information to describe a "slow" driver
  4. algebra

    A student missed 11 problems on a Chemistry test and received a grade of 65%. If all the problems were of equal value, how many problems were on the test? Round off your answer to the nearest integer. X= # of problems 11= 3 of missed problems 65% of
  5. Maths

    A police officer gathered data on the speeds, in kilometres per hour (km/h), of some cars as they drove down hill towards her car. The speed limit is 50 km/h. Analysis of the results showed that the speeds of the cars were normally distributed with a mean
  6. algebra

    I have a few math questions I made them just like my actual problems so that I can go through the steps you have went through to answer my own problems...Again THESE ARE NOT THE REAL PROBLEMS JUST EXAMPLES LIKE MINE WITH DIFFERENT NUMBERS. I don't know how
  7. English Language

    I asked this question earlier. I need to write 2 letters of complaint about problems I face at school and problems I face as a student in general but I can't find any problems, could you help me list some problems? Its really really urgent.
  8. science

    for my science class we went over questions like this, I was hoping someone could help me figure this out,and give me the basic equations for problems like these.. A ball is shot into the air with initial speed of 10 m/s at an angle of 53°. (a) What is
  9. Math

    A student is in a 20 week calc class. The function f(t)=50-50e^0.2t f(t) measures the students problem speed in t weeks -how many problems per hour can a student solve at the beginning of the course - how many problems per hour can a student solve halfway
  10. Calc

    A student is in a 20 week calc class. The function f(t)=50-50e^0.2t f(t) measures the students problem speed in t weeks -how many problems per hour can a student solve at the beginning of the course - how many problems per hour can a student solve halfway
  11. physics

    a car is travelling along a cruve having radius of curvature of 80.0 m, banked at an angle of theta=30. The coeff of static friction of ice is 0.05. What is: a) the slowest speed the car can negotiate the banked curve with? b) what is the fastest speed?
  12. math

    there's a question that I don't understand and the direction says that 'solve problems as combination integer problems.remember to rewrite all double sign problems as combination problems before solving' and here's a question 50- -61+ - 170 =
  13. Math

    Kenneth has 22 math problems to do for homework. He has 12 problems done.How many more problems does he left?if he completes 1 problem every minute,how many more minutes does he have to work?
  14. math

    kenneth has 22 math problems to do for homeworks he has 12 problems done. How many more problems does he have left? If he completes 1 problem every minute, how many more minutes does he have to work?
  15. Language Arts

    I need help thinking of 4 small problems in our world. I have to have 4 problems, solutions attempted to those problems and a problem solving invention. I really need help please and thank you.
  16. math

    So I've been having trouble solving some problems. Mainly problems that look like this 5-(t+3)=-1+2(t-3) what causes problems is the 5- part. I asked my teacher for help, and he gave me a hint, which is to distribute a -1 like 5+(-1)(t)+(-1)(3) But I still
  17. world history

    Re: Industrial Revolution Apart from external problems including urban crowding, insanitation, pollution, and social and order problems, what may have also been (2) problems created by industrialization/urbanization during this time?
  18. math

    can someone please help me i am lost. S this is kind of like your problems i can help you and you can help me *** the speed of the light in a vacuum is 299,792,458 meter per second which number, written in scientific notation, is the best approximation of
  19. math please help

    The speed of a passenger train is 8 mph faster than the speed of a freight train. The passenger train travels 310 miles in the same time it takes the freight train to travel 270 miles. Find the speed of each train. What is the speed of passenger​ train?
  20. pHYSICS

    iTS A HARD QUESTION. wHAT IS THE FORMULA FOR SPEED? sOLVE TWO SPEED PROBLEMS WITH A DIFFERENT MISSING PART OF THE FORMULA.
  21. comparing fractions

    A third grade class was given a multiplication quiz. The quiz had 10 problems. Any correctly answered 6 problems, Bobby answered 7 problems correctly, Tom answered 9 problems correctly, and Sue only answered 2 problems correctly. A. What fraction of the
  22. math

    matthew got 36 problems right out of a total of 40 problems on a test. What percent of the problems did he get right?
  23. Math

    I am having problems understanding how to solve problems like the following: a2 + b2 = c2 Please help me where I can understand solving problems such as the one above.
  24. math

    Sam took traveled 8 hrs to his sisters house. The return trip took 7 hrs because the speed was 3 mi/hr faster. What was the Sam's speed each way? I like to set up a chart for these kind of problems, they become very easy that way D=r*t , Distance =
  25. Math

    Robert is working on math word problems for his new text book he has completed 135 problems in 4 days if he continues at the same rate how many problems will he complete in 32 days
  26. College Physics w/Calculus

    (a) What is the escape speed on a spherical asteroid whose radius is 570 km and whose gravitational acceleration at the surface is 3.1 m/s2? (b) How far from the surface will a particle go if it leaves the asteroid's surface with a radial speed of 1000
  27. Science-Physics

    The metre was originally defined as a fraction of the distance from the North Pole to the equator. What problems would this definition of the metre create for people? Would some problems be the long calculation? I can't really think of other problems.
  28. Statistics-Probability

    An instructor will choose 3 problems from a set of 7 containing 3 hard and 4 easy problems. If the selection is made at random, what is the probability that only the hard problems are chosen?
  29. algebra

    janice noticed that the number of problems she did for homework (x) formed a linear relationship with her quiz score (y). When she did 3 problems she earned a 25% and when she did 8 problems she earned a 60%. Write an equation to represent this situation.
  30. mathematic

    ling answered 86 problems on a test correctly and received a grade 98%. How many problems were on the test if all the problems were worth the same number of points?
  31. math

    in the addition problems below each leter represents the same digit in both problems. Replace each letter with a different digi, 1-9, so that both addition problems are true.(there are two possible answers.) A B C A D G +D E F +B E H ------ ------ G H I C
  32. math

    5) A student answered 86 problems on a test correctly and received a grade of 98%. How many problems were on the test, if all the problems were worth the same number of points?
  33. math

    A student missed 71 problems on a biology test and received a grade of 22%. If all the problems were of equal value, how many problems were on the test? Follow the problem-solving process and round your answer to the nearest integer.
  34. math

    On Monday afternoon, Andrew rowed his boat with current for 4.5 hours and covered 27 miles, stopping in the evening at a campground. On Tuesday morning he returned to his starting point against the current in 6.75 hours. Find the speed of the current and
  35. Algebra

    Here is the problem: A two-digit number is eight times the sum of its digits.When the number is added to the number obtained by reversing the digits,the sum is 99. Find the original number. Please explain hot to solve it and it would help a lot to if you
  36. Algebra

    Here is the problem: A two-digit number is eight times the sum of its digits.When the number is added to the number obtained by reversing the digits,the sum is 99. Find the original number. Please explain hot to solve it and it would help a lot to if you
  37. Tecnology

    Alex works at his computer for several hours a day. He is careful to sit up straight at the computer with his feet on the floor and to keep his muscles relaxed, and stays off his computer after 6 p.m. For what kind of computer-related health problems is
  38. Math please explain!!

    A student got 80 percent problems correctly which is 32 problems correct. how many problems are they in total? I got 40 in a page but it did not explain can you PLEASE EXPLAIN!!!!
  39. Mathematics

    Maria answered all the problems on her math test. She answered 80 percent of the problems correctly. If she answered 6 problems incorrectly, how many problems were on the test?
  40. Math-PLEASE check my answers

    What types of problems can be solved using the greatest common factor? What types of problems can be solved using the least common multiple? Complete the explanation. *** Use the words 'same' and 'different' to complete the following sentences.*** Problems
  41. college physics (inertia)

    As a result of friction, the angular speed of a wheel changes with time according to dθ/dt = ω0 *e^-(σ*t) where ω0 and σ are constants. The angular speed changes from an initial angular speed of 3.08 rad/s to 1.58 rad/s in 3.92 s. a)Determine the
  42. college physics (inertia)

    As a result of friction, the angular speed of a wheel changes with time according to dθ/dt = ω0 *e^-(σ*t) where ω0 and σ are constants. The angular speed changes from an initial angular speed of 3.08 rad/s to 1.58 rad/s in 3.92 s. a)Determine the
  43. college physics (inertia)

    As a result of friction, the angular speed of a wheel changes with time according to dθ/dt = ω0 *e^-(σ*t) where ω0 and σ are constants. The angular speed changes from an initial angular speed of 3.08 rad/s to 1.58 rad/s in 3.92 s. a)Determine the
  44. Math

    Find the rotation in revolutions per minute given the angular speed and the radius given the linear speed and the rate of rotation. 1. w= 2.7 rad/s 2. v=24.8 m/s, 120 rev/min 3. w= 4/3Pi rad/hr Please help me with these problems! I am a visual learner and
  45. Math

    CAN SOMEONE CHECK MY ANSWERS PLEASE? What types of problems can be solved using the greatest common factor? What types of problems can be solved using the least common multiple? Complete the explanation. *** Use the words 'same' and 'different' to complete
  46. mathematics

    What types of problems can be solved using the greatest common factor? What types of problems can be solved using the least common multiple? Complete the explanation. Problems in which two different amounts must be split into (select) number of groups can
  47. Science

    Solve two speed problems with a different missing part of the formula.
  48. Guidance and Discipline Question

    Focusing on the person and their strengths and abilities is a way adults and children can help a child with ____________ adjust to the classroom. 1. special needs 2. behavior problems Wouldn't it be special needs? I am confused, because my friend says I am
  49. Math

    Matthew got 36 problems rights out of a total of 40 problems on a tes.wht percent of the problems did he her rights
  50. American Government

    Describe the problems that surfaced under the Articles of Confederation (8-10 problems we discussed in class) soon after the Revolutionary War. Use these problems and give a brief overview of Article I, II, III, IV, V, VI and the Bill of Rights of the U.S.
  51. social studies

    i am studying about palestinia and israel i have to write 8 bullets notes on what are the problems of the palestians and israel in the middle east. I don't understand the problems going on over there is there a website for my age 12 to understand this
  52. Physics

    I have to write questions for our California Standards for Physics, like we're making our own 50-question test. Standard 1a: Students know how to solve problems that involve constant speed and average speed. Two questions: do you think this standard needs
  53. Physics

    Please show me how to work the following problems. 1) A cyclist whose mass is 48 kg turns a corner with a radius of 30 m at a speed of 25 m/s. A) What is the magnitude of the cyclist's acceleration? B) What is the magnitude of the net force acting on the
  54. algebra homework help

    A student missed 3 problems on a Physics test and received a grade of 94%. If all the problems were of equal value, how many problems were on the test? Round off your answer to the nearest integer. my answer is 5 questions
  55. Math

    Shelly is working 250 math problems and she wants to finish in 6 days. If she works the same number of problems each day for 5 days how many problems will she have left to work on day 6?
  56. math

    a student answered 86 problems on a test correctly and recieved a grade 98%.How many problems were on the test, if all the problems were worth the same number of points? (Round to the Nearest whole number.)
  57. biology

    On a television talk show, a guest claims that people who exercise vigorously for 15 minutes or more every day are able to solve math problems more rapidly than people who have no vigorous exercise in their daily routine. Describe a controlled experiment
  58. 8th Grade Math (Algebra1)

    I actually have a few different problems that are giving me trouble. The first: We have to use the motion problem formula: d=rt and make a table containing the elements: rate: * time: = distance ------------------------------ label #1 label #2 The
  59. Physics

    Oxygen (O2) has a molar mass of 32.0 g/mol [.032kg/mol]. What is the root-mean-square speed of an oxygen molecule at a temperature of 310 K? Vrms=492 m/s What is its average translational kinetic energy at that speed? Kav= ?? J I am having problems with
  60. Math

    You were assigned 20 practice problems. You completed 5 problems. What fraction of the assigned problems do you have left?
  61. Phoenix

    Projectile motions problems are some of the most important problems you will encounter in this course. Through this discussion, we will solve a projectile motion problem step by step Assume a projectile is launched from ground height over a flat plane, at
  62. Physics

    These are “plug-in-the-number” tasks to familiarize you with the main formulas that link the physics concepts of this chapter. They are one-step substitutions, much less challenging than the Think and Solve problems that follow. Average speed ! total
  63. algebra homework help

    A student missed 8 problems on a Chemistry test and received a grade of 47%. If all the problems were of equal value, how many problems were on the test? Round off your answer to the nearest integer. My answer is 15 question were on the test is this
  64. history

    I need 4 causes of Taft's problems in office. I have tariffs and coservation but I need 2 more. The Antitrust suits that Taft supported brought about the antagonism of big business reformers. On an international level, he had problems when US support went
  65. Waves (Physics)

    I have trouble with these 2 problems, can anyone assist me to answer them? 18) What is the speed of a periodic wave disturbance that has a frequency of 3.50 Hz and a wavelength of 0.700 m? 21) A periodic longitudinal wave that has a frequency of 20.0 Hz
  66. Developmental Psychology

    There are a number of ways that emotional or psychological problems can develop in children. Problems can result from anything that disrupts a child's sense of safety and security. This could include things such as an unstable or unsafe environment,
  67. physics asap

    I have problems that i need solved as fast as possible and dont know what to do. please send answeres quick A 57kg trampoline artist jumps vertically upward from the top of a platform with a speed of 4.7m/s. How fast is he going as he lands on the
  68. physics

    A pigeon in flight experiences a force of air resistance given approximately by F=bv2, where V is the flight speed and B is a constant. A) In terms of SI units, what are the units for the constant "b"? B) What is the largest possible speed of the pigeon if
  69. math

    Mike completed 19 math problems before dinner for tonight’s homework, and he completed x problems after dinner. Write an expression to determine the total number of problems he completed.
  70. Math

    how do you do these problems?? 5-26 2-2/9 8-2/3 4/3+6 But I can do these types pf problems ( don't need help with problems below) 3/4 + 1/10 and 5/6 - 1/4 Please Help!! Thanks!!!
  71. Math Help please!!

    how do you do these problems?? 5-26 2-2/9 8-2/3 4/3+6 But I can do these types pf problems ( don't need help with problems below) 3/4 + 1/10 and 5/6 - 1/4 Please Help!! Thanks!!!
  72. Physics,Question ,Solved but about Units?

    These are “plug-in-the-number” tasks to familiarize you with the main formulas that link the physics concepts of this chapter. They are one-step substitutions, much less challenging than the Think and Solve problems that follow. Average speed ! total
  73. Physics

    I'm having problems setting up an equation to solve for time t in a projectile motion problem. What is given is horizontal position, accerlation due to gravity, the initial speed with, the angle, and the vertical position related to speed. I'm suppose to
  74. Environmental Science

    1. How has the size and location of big cities changes since the year 1900? 2. Describe the major problems in today's large cities and the cause of these problems. 3. What can be done to help solve these problems? 4. You may never live in a big city, but
  75. Math

    I have trouble solving distance rate problems. I have a worksheet that I want to complete. I will post one question in hopes that someone can break it down so I am able to solve other distance rate problems. (Step by Step please.) Thank you. An aircraft
  76. Algebra 1

    Terry has completed 15 homework problems, and Susan has competed 9. Terry is completing 10 problems per hour and Susan is competing 12 problems per hour. After how many hours will terry and susan have completed the same number of problems ??
  77. socials

    problems associated with Rwanda (migration) - internal, external i think problem be that some people be poor so they get health problems (diseases)parents not able to feed kids. environment problems, water polluted, forests suffer trees get cut down.
  78. Math

    I need help to set the equation up to solve a system to ensure that I get the answer of (-2, 4)? I also need tosolve two problems in the quadratic equation method, the two problems are x to the second power - 2x - 13 = 0 then the other is x to the second
  79. physics

    Please help with these problems. Thanks! Suppose the circumference of a bicycle wheel is 2 meters. If it rotates at 1 revolution per second when you are riding the bicycle, then your speed will be? Suppose you're on a Ferris wheel at a carnival, seated 10
  80. precalculus

    My book tells me to solve each exponential equation. I am given a lot of problems such as 6^x+1 = 4^2x-1 where I use In in the problem to help get my answer. However, in the same section, the book starts giving me problems such as 3(2)^x-2 +1=100 and
  81. Physics

    Please help with these problems, I don't understand them. Thanks! Suppose the circumference of a bicycle wheel is 2 meters. If it rotates at 1 revolution per second when you are riding the bicycle, then your speed will be? Suppose you're on a Ferris wheel
  82. Algebra

    -Alfonso can write 100 practice problems for the math team in 20 hours, Beauregard can write the same number of problems in 30 hours, and Clyde can write the number of problems in 40 hours. Working together, at what time will the three of them finish
  83. Phyics Word Problems

    Could you please check my work and help me with two of the problems. An airplane that flies at 100 km/h with a 10 km/h tailwind travels at 110 km/h relative to the ground. If it instead flies into a 10 km/h headwind, its groundspeed is 100km/h-10km/h = 90
  84. history: modern cities

    Consider modern cities. What problems that existed at the turn of the 20th century have been fixed? Which do you think still exist? It depends on what you mean by modern. Is Calcutta modern? One would hope that water and sewage problems have been fixed,
  85. history

    What problems had to be overcome Africa's interior could be opened up to Westeren explorers? what helped to over come these problems?
  86. american history

    jefferson davis confederacy was facing problems getting ready for the war.what was his major 2 problems?
  87. algebra

    How can I find the Domain and Range for y=1/-x -2 And y=-4/x-4 +4 they also ask me to compare these 2 problems with graph of y=1/x please help me solve these algebra problems.
  88. Civic Education

    Mention the five local civic problems in Nigeria and suggest ways of solving each such problems
  89. math conversion factors

    1. Homework problems solved in 2 hours 30 minutes at a rate of 26 problems an hour.
  90. Social Studies

    What are the causes of problems the Mayas and other Native American groups face in Guatemala? How are people trying to solve these problems?
  91. english

    Legal systems are flawed-that is, they have problems. What are some problems with 1935 Alabama laws and courtroom prcedures?
  92. algebra

    i have got a lot of math problems to do...if you can just help me with 3 of these problems...i could do the rest...thank you so much!! factor each expression::: 1. 20xy 2. 36g^2h^2 3. 44m^2n
  93. english

    In the following paragraph, are the words I have in capital letters adverbs? A five-speed bike combines the WORST of a three-speed and ten-speed. The typical five-speed is built on the same heavy frame as the three-speed, OFTEN, has the five-speed gear
  94. Easy (yet confusing) Algebra

    These problems are pretty easy, but confusing (as stated in the subject line). |2x+5|-x=10 |3x+4|-2x=11 I know there are supposed to be two answers for each problem, for the first problem I got 5 and for the second problem I got 7. I can't figure out the
  95. math

    evaluating functions For some reason I can't get these 3 problems correct: g(x) = x^2(x-5) g(3/2) g(c) g(t+2) Any help would be greatly appreciated. I contribute as much as I can and I don't seem to get any help. Maybe these are too hard of problems?
  96. Algebra

    How would i complete these problems? 1. (√6mn)^5 2. ^3√16x - ^3√2x^4 3.^4√x • ^3√2x 4. ^3√72x^8 5. √63a^5b • √27a^6b^4 and are these problems correct? 6. √2025xy/3√3 = 15√xy/√3 7. 3√18 + 8√50 = 49√2 8. √12 • √135 =
  97. algebra,

    Shelly completed 10 problems of her homework in study hall. This was 27 of the total assignment. How many problems does she have left to complete?
  98. math 012

    Hi, I am trying to do homework for my math 012 class- solving linear equations- and I need help with 9 of the problems. I would really appreciate any help with this. I can do the problems and send them to you, or however you prefer. Thanks!
  99. math

    I'm having problems with subtracting 10 digit math problems.Can you give me any websites?
  100. Environmental Science

    Describe the major problems in today's large cities and the cause of these problems?

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