Questions Asked on
September 21, 2016

  1. Math

    Write each rate as a unit rate. 4 championships in 16 years I don't understand how you would write the above as a unit rate. Please explain.

    asked by Matt-Please Help
  2. Math

    A geometry class has a pizza party. there are 14 students that have a pizza. Each pizza has 8 slices. The teacher wants to buy the least number of pizzas so that they are the same number of slices for each student. (I know the answers, but I don't know how

    asked by Claire
  3. english

    Netta and Jim argued over their views of free trade. 2. Netta and Jim had different views on free trade. 3. Netta and Jim were sharply split over the issue of free trade. 4. Netta and Jim refused to discuss the issue of free trade. 16. In these four

    asked by liz
  4. Math HELP HELP

    (a+4b,a-b) and (a-3b,a) find the length of the line segment joining this pair of points.

    asked by Maria
  5. Algebra 1

    3 [42-2 (10^-9^)]

    asked by TJ
  6. Math

    Write each rate as a unit rate. 180 passengers in 16 buses 180/16=11.25/1 11.25 passengers per bus Could you please double check my answer to see if I have it right.

    asked by Matt-Please Help
  7. mathematical physics

    A metal sheet has ,on the average , 5 defects per 1.0 m^2. Assuming a poisson distribution , calculate the probability that a 1.5 m^2 piece of the metal sheet will have at least 4 defects.

    asked by gourav bhardwaj
  8. mathematical physics

    For a scaler field ϕ(x, y, z) = x^n+y^n+z^n, show that (🔻ϕ ).r = nϕ , where n is a non-zero real constant.

    asked by gourav bhardwaj
  9. Math for Ms. Sue

    I'm Claire's grandma; a retired teacher of science and supplemental in math. I am stumped on her question about pizza tonight. I'm working via phone with her. Would you mind taking a look at it. I know the answer, but not sure how to explain the results.

    asked by Claire
  10. physics

    a baseball is batted with a speed of 120 ft/sec at an angle of 37 degrees with the ground. find how long the ball is in the air, how high the ball goes, how far from the plate it is caught, and the components of the velocity of the ball 4 sec after it is

    asked by kim
  11. Math

    A store has apples on sale for $3.00 for 2 pounds. How many pounds of apples can you buy for $9.00? If an apple is approximately 5 ounces, how many apples can you buy for $9.00? Explain your reasoning. I am very confused on the above. Please help me

    asked by Matt-Please Help
  12. math

    At the Natural History museum Paula saw 5 times as many beetles as spiders. She saw 6 more spiders than caterpillars. If Paula saw 50 insects and spiders, how many of each kind did she see?

    asked by Anonymous
  13. Fluid mechanics

    A vertical tube 3 meters long with one end closed, is inserted vertically with the open end down into a tank of water until the open end is submerged to a depth of one meter. What is the height of water inside the tube?

    asked by Dourence
  14. Maths - Ratio

    Angelique and Serena’s ages are in the ratio 5:3. Serena’s and Venus’ ages are in the ratio 6:5. If Angelique is 25 years older than Venus, calculate the average age of the three girls.

    asked by ACU Strathgield
  15. Matrices

    Solve the system using matrices. Show all the row operations that you use. 3x-9y=30 2x+5y= -2

    asked by Tayb
  16. Phyisics

    A horizontal shelf moves vertically with simple harmonic motion of period 1.5 sec. What is the greatest amplitude that the shelf can have so that the objects resting on it never leav it?

    asked by Riya
  17. Math

    A length of a metal bar has a cross sectional square of 12cm. If the length is 2m, what is the volume of the metal bar in cm3?

    asked by Lillie
  18. physics

    an object of height 5cm is placed 20cm in front of a concave mirror of radius of curvature 20cm by graphical method, find image distance from the mirror

    asked by mark
  19. Math

    An aeroplane flies at an average speed of 950km/hr from town P(lat.40degreeS, long.29.5degreeW) due east to town Q and then due south to town R. If the distance from Q to R along their common longitude is 4,500km and the whole journey took 11 hours,

    asked by Anonymous
  20. Monster college

    A fertilizer manufacturing company buys certain raw materials by weight. EAch batch of raw materials purchaes is weighed and the weigh is recorded to the nearest pound. It is assumed that the round-off- error is uniformly distributed in the interval from

    asked by Tatenda
  21. Maths

    A biscuit manufacturer packs its biscuits into individual boxes using a machine. The weight is advertised on each box as 200 grammes. The machine has been operating for many years and is regularly inspected during production to ensure that it is operating

    asked by Macdavie Maseko
  22. physics

    if mass is not an issue then how much force is required to move a ten no. 'shake flashlight' .will it be equal to move a single flashlight or will have to work ten times more to shake these ten flashlights? Note these flashlights are based on magnetic

    asked by vikram
  23. algebra

    1.) suppose y varies directly as x.if x=24 when y=8 then what is the constant of variation? 2.) suppose y varies inversely as x if x=4 when y=8 then what is the constant of variation?

    asked by jm tablate
  24. English

    I need help with writing a really good thesis statement regarding the stories Popular Mechanics by Raymond Carver and The Judgement of Solomon and their parenting styles. It's supposed to be compare and contrast but I'm stuck. Please help me.

    asked by Stephanie
  25. Math

    Find the area of parallelogram if side AB = 10 cm,BC=15 cm,Diagonal =20 cm.

    asked by Rajeev
  26. Math

    A football coach divides 42 players and 12 coaches into groups. Each group will have the same number of players and coaches. What is the greatest number of groups that can be formed. Answer: 6 groups

    asked by Matt-Please Help
  27. math

    A nut company produces two types of mixtures, regular and deluxe. The company is donating bags of mixtures for school picnic. A bag of regular mix has 4 oz of peanuts, 1 oz of cashew, and 3 oz of almonds. A bag of deluxe mix has 3 oz of peanut, 1 oz of

    asked by rolly
  28. Physics

    A vehicle of mass 1200 kg accelerates uniformly from rest to a velocity of 15 m/s in 5 seconds. It continues at this velocity for 15 seconds before decelerating uniformly at a rate of 5m/s2 to rest. Determine the following: (i)The acceleration (ii)The time

    asked by J.Kruger
  29. Physics

    A racing car of mass 850 kg accelerates from 20 km/h to 160 km/h over a distance of 300 metres. Frictional forces and wind resistance can be assumed to be 800N. Determine the following: (i)The average acceleration (ii)The time taken to accelerate from 20

    asked by J.Kruger
  30. Maths

    In triangle PQR,angle p=90degree if PQ=√3 and QR=2,then find the value of sinQ ,cosQ,tanR,SINR

    asked by Pradhuman
  31. English

    1. As it became darker, he turned the light on. 2. When it became darker, he turned the light on. 3. Because it became darker, he turned the light on. 4. After it became darker, he turned the light on. -------------------------------------- What does #1

    asked by rfvv
  32. physics

    A joggler throws an apple vertically upward just enough to reach the ceiling exactly 4 meters from the jogglers hand . What is the initial velocity of the apple ?

    asked by please help
  33. English

    1. The sun having set, we started for home. 2. After the sun had set, we started for home. 3. Because the sun had set, we started for home. ----------------------- Does #1 mean #2 or #3? 4. The sun set, so we started for home. 5. The sun had set, so we

    asked by rfvv
  34. Physics

    a solid of density 2700 kg/m³ and volume 0.0015 m³ is completely immersed in alcohol of density 800kg/m³.Calculate: 1) weight on solid in SI system 2) upthrust on solid in SI system 3) apparent weight of solid in alcohol 4) will the apparent weight of

    asked by Khushi
  35. Physics

    A 70kg wannabe stuntman at the edge of a roof top jumps vertical up with a speed of 4m/s and falls on a trampoline 2meters below where he started. If the trampoline acts like a Hooke's spring and does a maximum extension of 0.284m going down towards

    asked by Veronica
  36. Physics

    The system starts at rest. A mass of 20kg (m1) is connected to a pulley of uniform mass m=5kg and radius 10cm and a mass of 30kg (m2) hangs on the other side of the pulley hanging 2m above the ledge Find the tension of the strings I tried to find the

    asked by Maddi
  37. Math

    It's a riddle question. All six digits in the number even remember that zero is an even number one digit is use once and all the other digits is used twice is four times the hundreds digit 10 digit is the difference of the ones digit in the hundred digit

    asked by Maria
  38. Math

    Simplify: ((4/x)^(n-m))×((2x^2)^m) I don't even know where to start

    asked by A
  39. Differential equations

    ((3y^2)dx/(x^2+3x)) +( ( 2y ln ((5x)/(x+3))+ 3siny)dy=0 Please help me in solving this problem using exact differential equation. Thanks in advance.

    asked by Anonymous
  40. History

    Explain how scientists use evidence to interpret history Explain the features of early civilizations Identify the effects of Neolithic Revolution on humanity thanks in advance

    asked by Student
  41. GOVT JUNIOR COLEGE MATHS

    FIND THA NUMBER OF SIDES OF A REGULAR POLYGON IF EACH EXTERIOR ANGLE MEASURES. 30'

    asked by NIZAM
  42. Physics

    What is the airspeed relative to the ground of an airplane with an airspeed of 120km/h when it is in a 90-km/h crosswind?

    asked by Samantha
  43. ss

    3.Which of Canada’s climate regions has very little vegetation and very cold weather for much of the year?    maritime tundra subarctic [i pick] continental

    asked by wolfie
  44. Math

    I'm a parent and I my son had a test and this problem was wrong so I'm here trying to figure it out (3/4)3 can you help me please thank you

    asked by Lurina
  45. Physics

    If C⃗ = -5 i^ - 3 j^ - 4 k^, what is C⃗ × j^? If = -5 - 3 - 4 , what is × ?

    asked by Brian
  46. Math

    If 2016 people are on the circle, then who is the winner? And how can 2016 be related to the numbers such as 4,16, 24, and ect. If it doesn't multiply by the power of 2? Please help! I know that the numbers are multiplied by the power of 2 and 2016 can't

    asked by Anonymous
  47. Algebra 2

    A normal distribution has a mean of 240 and a standard deviation of 4.8. What is a z-score of 230? What is a z-score of 245? Round to the nearest hundredth. Enter your answers in the boxes. A Z-score of 230 is 6 A Z-score of 245 is

    asked by Arianna
  48. Math

    Solve (degrees): 3sin^2(x)-11sin(x)-4=0 It's just a quadratic but doesnt wprk?

    asked by R
  49. physical sciences

    A delivery Is travelling at a constant speed of 15m/s in a 60 km.h speed zone when the driver seems people walking across a pedestrian crossing 50m ahead of him.the driver takes exactly one second to react before he applies brakes as hard as he can.it

    asked by ayanda
  50. history

    ( ) around my answer. If nothing is there then i don't know What is one important achievement of the Incas? A. a written language B. a system of democratic government C. a system of roads and bridges D. an accurate calendar What is one way in which the

    asked by Someone
  51. chemistry

    How many grams of fe is present in 30g of FeSO4

    asked by Abdul Rehman umer
  52. 8th grade math-exponents

    I can't quite write the problem, so I'll try to explain it as best I can. In exponents and in fractions... (X/2) to the 3rd power times (X/2) to the 4th power...all over,or divided by, (X/2 to the 3rd power) to the 2nd power. The book says the answer is

    asked by Logan
  53. Math

    Two figures are similar with a similarity ratio of 4 and one side of the figure is 3 cm long. Find the lenght of the side of the similar figure. I don't really know if I have to try to do it like an equation or if there's a formula for this. Sorry if

    asked by Marta
  54. physics

    A pendulum is formed of a particle of mass 100g suspended from the end of an inextensible string of negligible mass and of length L=100cm. The pendulum is shifted by an angle of 60 degrees from its equilibrium position about a horizontal axis passing

    asked by vicky
  55. Math

    John painted 1/2 of a pole white and 3/8 of it green. What is the fraction he painted?

    asked by Kevin
  56. SS

    1. Which statement best describes nations? Nations must follow the laws set by the United Nations. Nations have less political power than do regional organizations. Nations interact almost exclusively with other nations in their region, Nations have

    asked by GSMC
  57. Maths

    The length of each of equal sides of an isosceles triangle is 4 metres less than twice the length of the third side.Find the dimension of the triangle of its perimeter is 57.

    asked by Chicku Basu
  58. Math

    Need help with adding subtracting decimals. In this unit, you learned about fractions that can be written as terminating decimals and fractions that can be written as nonterminating decimals. Create an addition word problem and a subtraction word problem

    asked by Math plz help asap!
  59. Math

    A farmer has 100.00 and he has to buy 100 budgies blue ones cost 10.00 green ones cost 3.00 and yellow cost .50 he has to buy at least 2 yellow and he can only spend axactly 100.00. This is a fifth grade math problem. I am a grandma trying to help my 10

    asked by SandyReitan
  60. Math

    Need help with adding subtracting decimals. In this unit, you learned about fractions that can be written as terminating decimals and fractions that can be written as nonterminating decimals. Create an addition word problem and a subtraction word problem

    asked by Math plz help asap!
  61. Science

    1. Which of the following is a good study habit? a.maintaining a positive attitude •• b.waiting until the last minute to start on an assignment c.listening to the television while studying d.studying when you are tired

    asked by Keyla
  62. physical sciences

    A delivery Is travelling at a constant speed of 15m/s in a 60 km.h speed zone when the driver seems people walking across a pedestrian crossing 50m ahead of him.the driver takes exactly one second to react before he applies brakes as hard as he can.it

    asked by ayanda
  63. Math - check answer

    Frogs have been breeding like flies at the Enormous State University (ESU) campus! Each year, the pledge class of the Epsilon Delta fraternity is instructed to tag all the frogs residing on the ESU campus. Two years ago (t = 0) they managed to tag all

    asked by Amanda
  64. CAN SOMEBODY HELP MEEEEEEE!!!!!!!!!!!

    Need help with adding subtracting decimals. In this unit, you learned about fractions that can be written as terminating decimals and fractions that can be written as nonterminating decimals. Create an addition word problem and a subtraction word problem

    asked by Math plz help asap!
  65. spanish

    How do you ask someone's name in Spanish? ¿Cómo somos? ¿Cómo se llama?** ¿Cómo eres? ¿Cómo soy? Which Spanish sentence means “The girl is impatient”? La chica es paciente. Ella es una chica inteligente. La chica es impaciente.*** Ella es

    asked by oto
  66. Science

    Calulations and observations to determine the molarity of given sodium hydroxide solution provided with M/20 oxalic acid solution

    asked by Sandeep
  67. GOVT JUNIOR COLEGE

    WHAT IS POLYGON

    asked by NIZAM
  68. Science

    2. Your friend John complains about his poor grades. You go to his house to study one day. The only place John has to study is at the kitchen table. While you are there, his younger brothers run through the kitchen screaming over and over again. What

    asked by Lily p
  69. LA

    characterization characters characters' motives characters' traits climax conflict exposition external conflict falling action internal conflict mood plot point of view resolution rising action setting short story theme What Do the mean

    asked by Mary Jane
  70. English

    Please check my answers! I'm like 92.7% sure there correct but I want to be sure. My answer has the ~~~. Which of the following is the indirect object in the sentence? Lizzie gave Charles a hige birthday gift. A.Lizzie B. Charles~~~ C. Huge D. Gift Which

    asked by Mira
  71. physics

    we launched a solid of mass m on an inclined slide. The natural length of the spring is Lo. Before launching, the spring is compressed to a length L. After launching the center of mass of the solid reaches the point A of altitude Z with velocity v. Neglect

    asked by vicky
  72. Social Studies

    What is one change Mansa Musa brought to Mali? A) He sent all of the scholars out of the empire. B) He brought Christianity to the empire. C) He made Islam the empire's official religion. D) He gave the provinces their independence Plzzz!!!! Help Me Plzzzz

    asked by Valerie
  73. Algebra

    6= x+2/3 help me solve this please

    asked by leslie
  74. Maths

    A regtanular garden measures 38m by 20m to the nearest metre. What is the maximum possible area of the garden?

    asked by Anonymous
  75. History

    Yesterday I posted about how I have to debate about Athens and Sparta about their women and children. I looked it up but it isn't helpful because all the information shows that Sparta women are treated better. How am I suppose to debate about the Athens if

    asked by Anonymous
  76. Maths

    Simultaneous equations... y = x^2 - x - 1 y = 2 - 3x Many thanks.

    asked by Anonymous123
  77. Maths

    Standard form. (3.4 x 10^7) x (4.5 x 10^-4) So far I got to 15.3 x 10^3.

    asked by Anonymous123
  78. math answer check

    10. Knowing that you use 245 KWH 7am – 7pm and 165 KWH 7pm – 7am, answer the follow questions using the chart below. Constant Usage $0.05324/ KWH Daytimer (Most usage between 7am­7pm) · As long as most power used is 7am – 7pm, then you receive a

    asked by Anonymous
  79. math

    1. Which of the following numbers is a rational? A. 4/5 B. square root of 27 C. 4.02002000200002... D. Square root of 31 2. Which type of number is shown below? 0.313311333111... A. repeating decimal B. rational C. irrational D. terminating decimal 3.

    asked by bob
  80. Social Study's

    I don't reall understand this question can some one tell me if I'm right? What is meant by the basic principle popular sovereignty The government is set up as a constitutional republic The people have the right to alter their government Congress has the

    asked by Sage Withem
  81. Math

    What is the solution to 5q=-75? Please Help

    asked by Valerie
  82. history

    in a representative government what group had the power to make laws? judges governors male colonists** legislature please help me

    asked by XRandomX
  83. Physics

    While standing at the edge of the roof of a building, you throw a stone upward with an initial speed of 6.87 m/s. The stone subsequently falls to the ground, which is 13.5 m below the point where the stone leaves your hand. At what speed does the stone

    asked by Anonymous
  84. 8th grade math-exponents

    I can't quite write the problem, so I'll try to explain it as best I can. In exponents and in fractions... (X/2) to the 3rd power times (X/2) to the 4th power...all over,or divided by, (X/2 to the 3rd power) to the 2nd power. The book says the answer is

    asked by Logan
  85. math

    What is the solution to r/-3=12?

    asked by Valerie
  86. english poetry

    What effect does Bryant’s use of personification of nature have on the theme of the poem "Thanatopsis"? Thanatopsis William Cullen Bryant (1794 – 1878) To him who in the love of Nature holds Communion with her visible forms, she speaks A various

    asked by collin
  87. 8th Grade Math-exponents

    Let me try writing it again... (X/2)^3*(X/2)^4 --------------------- (X/2^3)^2 I keep getting X/2^6, but the book says X/2^5. How do you get X/2^5????

    asked by Logan
  88. physics

    A pendulum is formed of a particle of mass 100g suspended from the end of an inextensible string of negligible mass and of length L=100cm. The pendulum is shifted by an angle of 60 degrees from its equilibrium position about a horizontal axis passing

    asked by vicky
  89. Science

    1.Which of the following is a good study habit? A.maintaining a positive attitude ** B.waiting until the last minute to start on an assignment C.listening to the television while studying D.studying when you are tired 2. Your friend John complains about

    asked by Dylan Webster
  90. Social Studies

    What was the basic economic structure established by England? import/export economy? mercantilism? market economy? capitalism?*** Am I wrong?

    asked by Ally
  91. Social Studies

    What were some influences on self-government? Select all that apply. Commentaries on the laws of England** The Columbian exchange English bill of rights Poor Richard's almanac**

    asked by Ally
  92. Math

    The lowest common multiple of two numbers is 36, one number is 12, what might the other number be?

    asked by Dania
  93. Physics

    A model rocket is launched at 62 degrees above the horizontal with an initial speed of 28m/s. the rocket travels for 4.5s along its initial line of motion with a constant acceleration of 13 m/s^2. At this time, the engine of the rocket stops and the rocket

    asked by Bethany
  94. check my work

    10. Knowing that you use 245 KWH 7am – 7pm and 165 KWH 7pm – 7am, answer the follow questions using the chart below. Constant Usage $0.05324/ KWH Daytimer (Most usage between 7am­7pm) · As long as most power used is 7am – 7pm, then you receive a

    asked by Anonymous
  95. S.S

    1. Why did Thomas Paine write the pamphlet, Common Sense? a. to support conquering the Native Americans b to argue that more land should go to France and Spain c to show that loyalty to the monarchy was wrong d to pledge his loyalty to the british

    asked by Bark
  96. Maths

    Simultaneous equations not on a graph... = x^2 - x - 1 y = 2 - 3x

    asked by Anonymous
  97. java programming

    What is the name of the Java class used to create an object that reads input from the keyboard?

    asked by joshy
  98. Social Studies

    Why were Northern states in favor of Hamilton's protective traffic? The traffic protected the North from paying any additional fees when exporting their goods. The traffic allowed manufacturers in the North less expensive than imported goods. The traffic

    asked by FluttershyK
  99. Math for Ms. Sue

    A geometry class has a pizza party. there are 14 students that have a pizza. Each pizza has 8 slices. The teacher wants to buy the least number of pizzas so that they are the same number of slices for each student. (I know the answers, but I don't know how

    asked by Frustrated
  100. Math

    5/5334

    asked by Kayla
  101. maths plz help

    give the expansion sin^8@ as a series of cos@ plz help me show working where @ means theta

    asked by sam
  102. Math :)

    A pie chart is drawn to represent the numbers x, x+2 and 8. If the angle at the centre of the sector representing x+2 is 120 degrees, find the value of x.

    asked by Grace
  103. physics

    A riverboat travels with a velocity of 4.60 m/s from one shore to another. The velocity of the river is 2.30 m/s. If the width of the river is 72.0 m, how far does the boat travel downstream to reach the other shore?

    asked by jh
  104. Geometry

    1.Which choice shows a true conditional with a correctly identified hypothesis and conclusion? •If next month is January, then this month is the last of the year. Hypothesis: This month is the last of the year. Conclusion: Next month is January.

    asked by GummyBears18
  105. Trig

    Can someone check my answers? Find # of triangles possible:

    asked by K
  106. maths

    In a class of 60 students, the number of students who passed biology is 6 more than the number who passed chemistry. Every student passed at least one of the two subjects and 8 students passed both subjects. I) how many students passed biology? ii) how

    asked by ob
  107. American Government

    12. Read this excerpt from the U.S Constitution. To declare War, grant Letters of Marque and Reprisal, and make Rules concerning Captures on Land and Water; To raise and support Armies, but no Appropriation of Money to that Use shall be for a longer Term

    asked by Jessica
  108. Geometry H

    If BD is the angle bisector of

    asked by Cody
  109. physics

    A car is driving in the negative X direction at a steady speed of 15 m/s. if it starts at a position of 30m: What is its displacement in the first second? My answer was 15m and used Xf-Xo (final-initial) to find the displacement What is his displacement in

    asked by Matt
  110. Math

    william had 30 dollars. he spent one third on a book and save the rest. how much was the book and how much did he save

    asked by Trev
  111. Math

    The ratio of pens to pencils is 7:9. If there are 27 pencils, hoe many pens are there?

    asked by Qiana
  112. History

    Why couldn't women own property in Athens?

    asked by Anonymous
  113. UMUC

    identify the data that would need to be protected. Recommend how you would implement one or more of the access controls (listed after the scenarios) for the given scenario and justify your recommendation. Scenarios:

    asked by Anonymous
  114. Algebra

    What is 2u to the fourth power times v squared all divided by 3u

    asked by Anonymous
  115. statistics

    Assume the lifespan of light bulbs manufactured by Bright Inc. can be modeled with a normal distribution with a mean of 300 days and a standard deviation of 40 days. 70% of light bulbs produced by Bright Inc. survive longer than how many days?

    asked by Saralynn Niealsen
  116. Chem

    Which one of the compond are covalent HF RbF LiF NaF

    asked by Marissa
  117. trigonomentry using either exponential or complex

    give the expansion of sin^8@ as a series of cos@ plz help me i only know the normal way of doing that but i do not know how to apply complex number or exponential

    asked by sam
  118. Government

    If during the war, Congress has the power to declare war, what powers do the other branches of government have during the war?

    asked by Stephanie
  119. Math

    How do you figure this problem out I am trying to help my son with his homework but can't figure out how to solve problem. 18+9x(5+4)divide 3-5

    asked by Anonymous
  120. PHYSICS

    looking over the edge of a cliff, you become curious as to how high up you are. you take a rock and drop it over the edge and count. The rock strikes the ground in between 3 and 4 of your count. so let's estimate that it took 3.5s for it to hit the ground.

    asked by Matt
  121. Geometry plz help

    1.Which choice shows a true conditional with a correctly identified hypothesis and conclusion? •If next month is January, then this month is the last of the year. Hypothesis: This month is the last of the year. Conclusion: Next month is January.

    asked by GummyBears18
  122. Physics

    At a track and field meet, the best long jump is measured as 8.30 m. The jumper took off at an angle of 31 ° to the horizontal. What was the jumper’s initial speed?

    asked by Bex
  123. biomechanics

    A cyclist is coasting up a hill. At t=0, the cyclist has a velocity of 14.27 m/s. If the acceleration of the cyclist is constant at -1.67 m/s2, how long will it take the cyclist to come to a complete stop? If the peak of the hill is 40 m away from the

    asked by Alice
  124. English

    1. The sun having set, we started for home. 2. After the sun had set, we started for home. 3. Because the sun had set, we started for home. ----------------------- Does #1 mean #2 or #3? 4. The sun set, so we started for home. 5. The sun had set, so we

    asked by rfvv
  125. science

    can someone check my answers? 1) which of the following statement about igneous rocks is correct? A. intrusive igneous rocks are formed when magma is cooled above the ground. b. extrustive igneous rocks are formed when magma is cooled above the ground. c.

    asked by mole
  126. Math

    Maggie has a ribbon 27 feet long what is the length of the ribbon in the yard

    asked by Dimaomd
  127. Algebra

    These are your test scores: 82, 78, 93, and 70. With an average of 80 for a B needed, what score do you need to get on your next test to have a B in class? x = grade needed

    asked by Emelia
  128. Government

    Who creates executive branch departments? The president or Congress

    asked by Tiffany
  129. Algebra

    Write the equation of the line in stasndard form that passes through the points 2,-3 and -1,-4

    asked by Anonymous
  130. Science

    what geographical features create natural boundaries for water to flow toward one ocean or another?

    asked by Alyssa
  131. Chem

    What is the final volume of 35.0 L of carbon dioxide gas at 28.9°C if the gas is heated to 96.3°C? Assume the pressure and the amount of gas are held constant.

    asked by Ann
  132. Math

    A very large book has pages numbered from 1 to 11521. How many times is the digit 3 printed?

    asked by Albert
  133. math

    marlene has 3 pieces of lace each measuring 1/7 meter, 5/15 meter and 3/7 meter. How long are pieces of lace put together?

    asked by christine miranda
  134. Math

    Grouping 2m^2+m-2m

    asked by Tim
  135. Math

    It's a riddle question. All six digits in the number even remember that zero is an even number one digit is use once and all the other digits is used twice is four times the hundreds digit 10 digit is the difference of the ones digit in the hundred digit

    asked by Maria
  136. Chemistry

    The solubility of copper sulphate at 0 C

    asked by Fahad
  137. Math

    Two bus services A&B arrive at the station. service A arrives every 15 minutes, service B arrives every 20 minutes. The first bus arrives at 8 o'clock. When will both buses arrive at the station again?

    asked by Denise
  138. math

    Least to greatest square root of 5, 2.5 or square root of 3

    asked by mya
  139. Physics

    You're driving parallel to train tracks at 52.0 km/h when a train passes you, going a steady 91.0 km/h. A track crossing is up ahead, so you begin to speed up at 8.00 m/s2. How far do you drive before you pass the train?

    asked by Dana
  140. Physics

    You are thinking about taking gymnastics, so you go to the facility and get an idea of what to expect by looking out from the viewing room. The viewing room window is 1.50 m above the trampoline directly below, so it is perfect for viewing the the

    asked by Brooklyn
  141. Science

    We call zone of saturation the level to which the water fills all the interstices, or the pores, with the ground and all cracks minusclus of the rock/this fresh water supply exists in all the grounds. Why?

    asked by Alyssa
  142. Math

    A cup of cereal has 1212 grams of fiber, which is 40%40% of the recommended daily allowance. What is the recommended daily amount?

    asked by Boo
  143. math

    How can you use repeated subtraction to find out how many groups of 4 are in 20

    asked by Sabrina
  144. Calculus

    (kx^2)+m, x

    asked by Alvin
  145. Math

    There are 40 tables in a library, with 30% of them seating 44 people. The tables remaining only seat 22 people. How many seats are there in the library?

    asked by Boo
  146. Math

    Please how to solve the equations: y=4-3x and x=4y-6 Thank you

    asked by Anonymous
  147. chemistry

    6 cm/sec to mph i got 9.664mph

    asked by tom
  148. jay

    For a trapezoid, the following formula relates the area A, the two bases a and b, and the height h. A=(a+b)2hA=(a+b)2h Solve for a. a=2Ah+ba=2Ah+b a=2A−bha=2A−bh a=2Ah−ba=2Ah−b a=Ah2−b

    asked by math
  149. math

    find the next three terms in 18,27,36,45

    asked by nicole
  150. jay

    The formula for the perimeter of a rectangle is P=2(l+w)P=2(l+w). Solve for w. w=2P−lw=2P−l w=p2−lw=p2−l w=p−l2w=p−l2 w=P2+l D?

    asked by math
  151. Social Studys

    This excerpt is from a citizen in england in response to the colonial outrage toward the stamp act. what central arguement of the american colonists against the stamp act is not understood by the writer? that trade was heavily restricted due to taxes,

    asked by Darius
  152. English

    1. To be poor, he could not buy the sports car. 2. Being poor, he could not buy the sports car. -------------------------------- Which one is correct? Is #1 correct grammatically?

    asked by rfvv
  153. analytical chemistry

    Calculate the concentration of the initial nitrate stock solution (in ppm) if exactly 0.361 g of KNO3 is dissolved in a 1 L volumetric flask with distilled water.

    asked by Angel
  154. MATH

    a drug has a half life of 5 hours. write the exponential function that gives the concentration of the drug over time assuming an initial concentration of 2 mg/ml

    asked by Matt
  155. Psychology

    What study strategies can you think of that would make effective use of the levels-of-processing approach to memory?

    asked by brooke
  156. Math

    A fertilizer covers 5/8 square foot in 1/4 hour. i don't understand how to work out this math problem. By the way i'm in 6th grade but technically doing advanced math so i'm doing 7th grade math. I don't know how to do this

    asked by niki
  157. Math

    Pamela can run 100 meters in 12.5 seconds and Josalin can run 150 meters in 20 seconds. If they both ran a 400 meter race at this rate, how many meters ahead would Pamela cross the finish line before Josalin?

    asked by Laila
  158. Organic chemistry

    An unknown compound (x) melts at 60°C and is mixed with a compound (y) that melts at 45°C and is soluble in x. Will the Melting point for the mixture start below 45°? I think so, because if you look at ice and salt for an example, salt has a way higher

    asked by Shay
  159. English

    Spot the error in the sentence one of the chairs are broken

    asked by Lavanya
  160. Math

    The number is closer to 60 than to 70. It is one number closer to65 than 68 is.

    asked by Lynn
  161. Math

    Pamela can run 100 meters in 12.5 seconds and Josalin can run 150 meters in 20 seconds. If they both ran a 400 meter race at this rate, how many meters ahead would Pamela cross the finish line before Josalin?

    asked by lara
  162. Math

    Which is greater the sets of (5-2) or two sets of(2+3) draw a diagram to support your conclusion

    asked by Trevor
  163. Science

    If two person sitting on a sea-saw has different weights,how can thay balance the sea-saw

    asked by Chrystalee
  164. MATHEMATICS

    if 1g of a drug whose half-life is 9 hours is administered intravenously, how much of the drug is left after 3 hours? after 5 hours? after 10 hours?

    asked by Matt
  165. physics

    Block A (Mass = 5.195 kg) and Block B (Mass = 3.330 kg) are attached by a massless string as shown in the diagram. Block A sits on a horizontal tabletop. There is friction between the surface and Block A. The string passes over (you guessed it) a

    asked by taylor
  166. physics

    A pitcher throws a baseball horizontally from the mound to home plate. The ball falls 0.868 m (2.85 ft) by the time it reaches home plate 18.3 m (60 ft) away. How fast was the pitcher's pitch?

    asked by Anon
  167. Math

    Find the distance d(p1,p2) between the ponts p1 and p2. P1=(-4,3); P2= (6,0) d(P1,P2)= _____ Type an exact answer, using radicals as needed.

    asked by Sully
  168. English

    Find out the figure of speech "I weep like child for the past"

    asked by Lavanya
  169. Global Studies

    Ming Moved to toronto 10 years ago when he was three. He still Speaks Chinese but has learned english and some french. he celebrates both chinesse and canadaian holidays.ming best reflects that canada is a____________. a. plural society b. melting pot c.

    asked by Jaelyn
  170. Math

    All students in Peter's class have $1.05, consisting of nickels and/or dimes and/or quarters. Each student has a different combination of coins, and all possible combination of coins are included. What is the probability that Peter is unable to give his

    asked by Thomas
  171. Math

    From a point P on the ground which is 100m from the foot of a church tower, the angle if elevation of the top of the tower is 50 degrees calculate the height of the tower...

    asked by Phil
  172. Algebra

    110 student went to the lake for a boat ride. there were 8 both (each would safely hold the same number of student), and all but 14 students could go for a ride. those remaining 14 students had to wait until first students finished their ride before they

    asked by Q
  173. Physics

    A car has an initial velocity of 45m/s and a final velocity of 0m/s 9 seconds later. A. What is the Acceleration? B. How far did they travel during the 9s?

    asked by Alysa
  174. Chemistry

    When you mixand separate CaCO3 and SiO2 with acetic acid-vinegar, it is a chemical reaction. It bubbles and CO2 is produced. What property of CaCO3 causes this to happen? Could you explain this to me pls. I am guessing the acetic acid reacts with one of

    asked by lulu
  175. Chemistry

    How would NaHCO3 dissociate in water for a beaker diagram? Would it be Na+ and HCO3-

    asked by Anonymous
  176. Math

    All students in Peter's class have $1.05, consisting of nickels and/or dimes and/or quarters. Each student has a different combination of coins, and all possible combinations of coins are included. What is the probability that Peter is unable to give his

    asked by Thomas
  177. Language Arts

    1.What other types of writing is similar to the autobiographical essay? Select all that apply. A. An email to a friend that tells about an event in your life B. a book report you wrote for school C. a postcard sent to your family while you are traveling D.

    asked by Anuenue
  178. Math

    The measure of angle BCA is: A) 30 degrees B) 36 degrees C) 45 degrees D) 60 degrees It is a iscoles triangle which the number 3x on the top of the triangle angle A and a line extending to D going right from A and Angle B is at the bottom left corner A and

    asked by Lia
  179. physics

    A roller coaster is on a flat track heading towards an incline, moving at 4.80 m/s. After it has gone down the 66.0° incline (measured from the horizontal), the roller coaster is now going at a speed of 23.3 m/s. What is the length of the incline?

    asked by masla
  180. Physics

    A superhero flies 285 m from the top of a tall building at an angle of 20 ◦ below the horizontal. What is the horizontal component of the superhero’s displacement? What is the vertical component of the superhero’s displacement?

    asked by RK
  181. Math

    4) The sum of an infinite geometric series is 100. The second term of the series is 24. Find two possibilities for a (the first term) and r (the common ratio). b. Given, 5 2 4 a a a    159 and 4 1 3 a a a    265 , find the terms of the

    asked by Susan
  182. math

    the sum of the ages of kristen and ben is 32 four years ago kristen was twice as old as ben how old are they both now

    asked by Anonymous
  183. Algebra

    A rock is thrown upward with a velocity of 21 meters per second from the top of a 48 meter high cliff, and it misses the cliff on the way back down. When will the rock be 7 meters from the water, below? Round your answer to two decimal places.

    asked by Matthew
  184. Math (Geometry)

    What is the converse of this statement: if two angles are supplementary and congruent, then they are right angles.

    asked by Zoey
  185. AP physics

    A rescue plane wants to drop supplies to isolated mountains climbers on Rocky ridge 235m below. If the plane is traveling horizontally with a speed of 250 km/h (69.4m/s), how far in advance of the recipients (horizontal distance) must the good be dropped?

    asked by Susana
  186. science(physics)

    A powerful motorcycle can accelerate from rest to 28m/s in only 4 second . a.what is its average acceleration? b.how far does it travel in that time

    asked by nancy
  187. algebra

    1. is he equation true , false, or open 5x+2=6x+11 open, there is a variable *** true, he expression are the same for all values of the variables false, the expressions are never the same which value is a solution of the equation 2-8x= -6 1** 1/2 -1 8

    asked by oto
  188. Math

    There are two rectangles that are similar. One rectangle has an area of 24 and the other has an area of 15 how do you find the ratio of the area of the first rectangle to the area of the second rectangle?

    asked by Jordan
  189. algebra

    which ordered pair is a solution of the equation y=5x (-2,10) (-5,25)** (-3,15) (-2,10) which ordered pair is a solution of the equation y=-9x+4 (10,-86) (-4,-58) (6,-41)** (-6,57)

    asked by oto
  190. Physics

    While curling, you push a rock for 1.70 m and release it when it has a speed of 1.70 m/s. It continues to slide at constant speed for 0.700 s and then hits a rough patch of ice. It finally comes to rest 9.20 m from where it was released.

    asked by Jenny
  191. Physics

    A small child is learning to ride a bike for the first time. Her dad decides it would be a good idea to start her on a small hill. The hill is inclined at 3.30° to the horizontal. The child starts partway down the hill, 9.00 m away from her dad, who stays

    asked by Mathew
  192. English

    1. I like joining a chat room and talking with foreigners in English. 2. I entered a chat room on line and chatted with a native speaker for a long time. 3. I took part in chat rooms and had a conversation with foreigners. ---------------------------------

    asked by rfvv
  193. Chemistry

    how would you prepare 250 mL solution containing the following: 0.30 M mannitol, 0.025 M phosphate buffer pH 7.5? You are given solid mannitol, kh2po4, and k2hpo4. (pKa=6.86)

    asked by RP
  194. Physics

    A 70kg wannabe stuntman at the edge of a roof top jumps vertical up with a speed of 4m/s and falls on a trampoline 2meters below where he started. If the trampoline acts like a Hooke's spring and does a maximum extension of 0.284m going down towards

    asked by Veronica
  195. AP physics

    A person going for a morning jog an the deck of a cruise ship is running toward the bow (front) of the ship at 2.0m/s while the ship is moving ahead at 8.5m/s. What is the velocity of the jogger relative to the water? Later, the jogger is moving toward the

    asked by Susana
  196. MATH HELP

    1)What is the simplified form of the following expression? 2x^2y+3x^2+4y+3x^2y+2y A)5x^4y^2+3x^2y+2y B)8x^2y+6y^2 C)5x^2y+3x^2=6y D)14x^2y 2)Simplify the following expression 1/3 (21m+27) A)7m+27 B)7m+9 C)63m+9 D)7m+81 3) What is the sum 7/4+(-1/5) A)31/20

    asked by ASTROLATER
  197. maths

    10people attend a conference and shake hands , how many hands were shake

    asked by kola
  198. Math algebra

    (a+b)(a-b)

    asked by Sunil
  199. English

    Why did Raymond Carver make "Popular Mechanics" ending so ironically different from the Biblical tale "The Wisdom of Solomon"?

    asked by Tiffany
  200. Chemistry

    So I have to find the % by mass of an unknown metal that reacted with HCl to create MCl2 (with the M being unknown). Then I need to determine identity of the missing metal. I know that the final mass of the compound MCl2 is 12.47g and that the original

    asked by Krys
  201. Physics

    A painter of mass 80.0 kg stands on a platform of mass 75.0 kg and pulls on two ropes which hang over pulleys, as shown. He pulls each rope with a force of 400.0 N. Assuming a coordinate system where +y is up, calculate the y-component of the acceleration

    asked by Ashley
  202. algebra

    5/x-3/4x=23/x+6 first I made it 20/4x-3/4x=23/x+6 Then I am stuck how to solve the rest of the equation Can you please help. Thank you

    asked by sara
  203. Math

    There are four seats in a row of a bus except the last row which has 5 seats. The total number of seatsican be written as 5 + r x 4. Determine the number of seats in a bus for each value of r.

    asked by Anonymous
  204. AP physics

    Two planes approach each other head-on. Each has a speed of 780 km/hour,and they spot each other when they are 10.0 km apart. How much time do the pilots have to take evasive action?

    asked by Susana
  205. Math

    The table shows information about the number of sweatshirts sold and the money collected at a fundraiser for school athletic programs. Sweatshirts Sold 3 5 8 __ 12 Money Collected 60 _ _ 180 _ The above is supposed to be a ratio table but I am not sure on

    asked by Matt-Please Help
  206. Stats.

    For this section, use the following distributions: 1) A direwolf has a 70% probability of killing a stag upon encounter; 2) a dire wolf awakens the village on average 1.2 times per six weeks; 3) a dire wolf will eat an amount that is uniformly distributed

    asked by Kathleen
  207. math

    Write the quadratic equation whose roots are −4 and 6, and whose leading coefficient is 5.

    asked by .