Questions Asked on
February 16, 2018

  1. math

    You are ordering photo prints online to send out to all your friends for the holidays. The first 20 prints cost 12¢ each, if you order more than 20 the price of the additional prints goes down to 8¢ each. a. Write a function to describe the cost of the

    asked by sarah
  2. Physics

    A wire length 2m and radius 1mm is stretched by 25mm on application of a force of 1000N.Calculate the young modulus

    asked by Rilwan
  3. Maths

    A farmer sold 2/3 of his cattle.he gave 1/6 of the cattle to his son.what fraction of cows does he still have?

    asked by Absar
  4. basic electroincs

    A full-wave rectifier circuit is driven by a sinusoidal input voltage with Vrms=15V and frequency 50Hz. If the load resistance is 100Ω, what is the ripple voltage with a filter capacitance of 1.5mF? (Assume the diodes to be ideal, with Von=0V.)

    asked by vamsi
  5. math

    Do males or female high school basketball players have a better chance of playing on college teams? On professional teams? Include probability numbers high school players: male - 549,500 female - 456,900 college players: male - 4,500 female - 4,100 college

    asked by jay
  6. electronics

    Consider an npn transistor operating in the linear region at 450C. If VBE is increased by 15mV, by what factor will the collector current increase?

    asked by vetri
  7. physics

    The radius of circular electron orbits in the Bohr model of the hydrogen atom are given by (5.29 ✕ 10^−11 m)n^2, where n is the electron's energy level (see figure below). The speed of the electron in each energy level is (c/137n), where c = 3 ✕ 10^8

    asked by joy
  8. Calculus

    Your classmate claims that the the function f(x,y) = x^3(e^{x^2−3y^2})−(17−3x^2)(y−2) does not have an absolute maximum nor an absolute minimum when the function is restricted to the disk x^2+y^2 ≤ 7. Please explain why this is incorrect.

    asked by Mark
  9. math

    The points P (2, −1), Q (−4, −1) and R (−1, 3√3 − 1) are joined to form a triangle. Prove that triangle PQR is equilateral. I get that you use the distance formula to find the distance between these three points, which will prove that PQR is

    asked by anonymous
  10. Physics

    Would a rug have static or dynamic friction?

    asked by Bill
  11. Math

    Hello. Can someone help me? I'm not very sure about some of these :( Stephen read a 90-page book in 6 days. If he continues reading at that rate, how long will ittake him to read a 300-page book? Answer: 20 days. I found this by doing 90/6=15, and then

    asked by I have 2 different names. Which would I put?
  12. Math

    −11+8+n=−11+8+n=_____ +n

    asked by Shawn Smith
  13. Science halp

    10. Which situation is an example of Newton’s third law of motion? * 1 point A.A ball in a vacuum container moves in a straight line at a constant velocity. B.A ball in a vacuum container accelerates when kicked with a great amount of force. C.A person

    asked by Sanic fest speds :D
  14. Probability & Statistics

    Space shuttle astronauts each consume an average of 3000 calories per day. One meal normally consists of a main​ dish, a vegetable​ dish, and two different desserts. The astronauts can choose from 11 main​ dishes, 7 vegetable​ dishes, and 12

    asked by Becky77
  15. Math

    Joy is 2/3 as old as Lyn;Six years ago,Joy is 20 less than Lyn's age,How old are they Six years ago?

    asked by Julius
  16. Math

    A rectangular cookie tin is 14 inches long, 7.6 inches wide, and 3.4 inches tall. What is the capacity of the cookie tin?

    asked by The Devil Cat
  17. ELA (My last question of the day)

    I think it is b or d. What is the BEST description and explanation for the underlined word in this sentence? The barking dog woke the entire neighborhood with his incessant noise. A) Barking is an adjective form being used to modify the dog. B) Barking is

    asked by Cody
  18. Math

    Dan makes a sand box for his school project that has a volume of 4.375 cubic feet. The base of the box is 2.5 feet long and 3.5 feet wide. How deep is the sandbox?

    asked by The Devil Cat
  19. Science halp

    6.Two cars with different masses travel at the same speed down a hill toward a stop sign. What will happen when both cars apply brakes at the same time to stop? * A. The car with the smaller mass will require less force to stop than the car with the larger

    asked by Sanic fest speds :D
  20. SS halp

    1.the Kansas Nebraska act continued ideas of which of the following 1. Missouri compromise 2. compromise of 1850 3. free soil party 4. Dred Scott v Sanford

    asked by Sanic fest speds :D
  21. Math help ASAP

    John works two jobs. A weekly pay stub from one job shows an earning of $235.23 and his second pay stub shows a monthly earning of $ 935.40. Which is the BEST estimate of John's yearly earnings? A) $11,000 B) $12,200 C) $14,000 D) $23,400 ***

    asked by Anonymous
  22. Math help ASAP

    Workers on the assembly line produce 4x + 6 boats each day. Which expression shows how many boats they produced in 12 days? A) 12(4x + 6)*** B) 12(4x) + 6 C) 12/4x+6 D) 4x+6/12

    asked by Anonymous
  23. Math

    Which expression represents how many years are in x months? A) 12x B) 12 + x C) x/12*** D) 12/x

    asked by Anonymous
  24. Im very confused-math

    Brandon is baking cookies for a school bake sale. If he can make 2 dozen cookies in 23 minutes which is a reasonable estimate of the amount of time it will take him to make 12 dozen cookies? A) between 4 and 5 hours B) between 3 and 4 hours C) between 2

    asked by Anonymous
  25. Math

    Baseball Ticket Prices Location Average Price Atlanta $14.42 New York $28.59 Los Angeles $19.67 The table shows the average baseball ticket price for three American cities. Sarah is going to New York for Spring Break with her friends. They have $130 to

    asked by Anonymous
  26. Math again

    The price of a lawn mower is x dollars. The store is having a 75% end of summer clearance sale. Which expression can be used to find the clearance price of the mower? A) .25x B) .75x C) x - .25(75) D) x + .25(75) How do I figure this out?

    asked by Anonymous
  27. Math

    A number less 7 is greater than -45. How can the solutions for this inequality be described? Is -40 a solution? A) All numbers less than -38.; yes B) All numbers greater than -38.; no C) All numbers less than or equal to -38.; yes D) All numbers greater

    asked by Anonymous
  28. math

    A salesperson at a furniture store earns a 3% commission on all sales. How much commission does the salesperson earn on a $1400 sale?

    asked by destiny love
  29. Math

    The width of a rectangle is 3 4 the length. The perimeter is 252 cm. What is the width of the rectangle? A) 36 cm B) 48 cm C) 54 cm D) 72 cm Can someone help me please?

    asked by Anonymous
  30. Math

    Can you help me with this? I did the first part here: The diameter of a tire is 2.5ft. A. find the circumference. (my answer is 7.85) B. how many times will the tire have to rotate to travel 1 mile? (1 mile = 5,280ft) Thank you :)

    asked by ShannonPanda
  31. MATH

    i need help of unit 2 lesson 10 i dont know how to do it or none of the answers ans somebody PLEASE

    asked by HELPMELEASE
  32. Math

    14 soccer players decide to share 9 protein bars. What fraction of a protein bar will each player get?

    asked by Simona
  33. Math help ASAP

    Becky is renting a car for her vacation. The rental costs $350 per week plus 20 cents per mile. If Becky can spend no more than $500, how far can she travel? A) 450 miles B) 625 miles C) 750 miles D) 800 miles How do I figure this out??

    asked by Anonymous
  34. Math

    Michelle made 26 more sales calls last month than Allen. Together, they made 120 calls. How many calls were made by Michelle? A) 47 calls B) 73 calls C) 82 calls D) 94 calls I think the answer is 94

    asked by Anonymous
  35. Math

    A pool in the shape of a rectangular prism has a width of 8 1 2 feet (ft), a length of 12 ft, and a depth of 8 ft. What is the volume of the pool? A 102 ft3 B 532 ft3 C 816 ft3 D 1,728 ft

    asked by Please Help
  36. language arts

    in who knows the moon the speaker imagines traveling somewhere where does he imagine traveling

    asked by aswd
  37. Math

    Each car in a rental fleet is either red or white, and there are 75 cars total. There are three more white than twice the number of red cars. How many cars are white? A) 24 B) 47 C) 48 D) 51 How do I solve this?

    asked by Anonymous
  38. personal finance

    John T. works on the assembly line at an automobile factory. One day he falls off the roof of his house while cleaning the gutters and injures his back. He learns he will be off his job for almost a year while his back heals. Which of the following

    asked by Sashaya
  39. Math

    James and Becky have a total of 4 2 over 8 feet of yarn. Becky has 1 5 over 8 feet of yarn. How many feet of yarn does James have?

    asked by Someone
  40. Math

    Please help me! Last question. Needs to be done today! The kilo-pascal is a unit of measure for atmospheric pressure. Suppose the atmospheric air pressure at sea level is about 96 kilopascals. For every 1,000-meter increase in altitude, the pressure

    asked by Um
  41. chem

    calculate the percent concentration of each of the following solutions 1. 2.78g of NaHCO3 dissolved in enough water to make 200.0ml of solution 2.3.25ml of H2SO4 dissolved in enough water to make 68.0 ml of solution

    asked by SHORNORA
  42. Music

    one composer associated with the Renaissance is A. Mozart B. Chopin C. Palestrina D. Beethoven

    asked by i need help can you please help me
  43. Chemistry

    hydrobromic acid (50.5) calculate the concentration in mol/L. (MW HBr: 80.91 g/mol, density: 1.49 g/mL)

    asked by Sara
  44. Algebra Readiness (Pre-Algebra) B

    Find the surface area for a cylinder with a height of 20 and a radius of 6. Use 3.14 for pi and round to the nearest whole number. 180 ft 720 ft 433 ft 135 ft I thinks it is 720 ft.

    asked by Kit-Kat
  45. government

    What was in place before the ohio constitution was passed? What was in place before the U.S. constitution was passed?

    asked by cait
  46. Math

    Hello! I need someone o check a couple answers for me please! I really need to get my Math and Science done, so I might be coming back again for my answers to be checked or to have help =) . 1. A car travels 172 miles using 7 gallons of gas. At that rate,

    asked by Annabelle
  47. social studies

    what was the effect of the bull moose party’s entrance into the presidential election of 1912? a)it split the republican vote and allowed the democrats to win. b)it prevented any of the three parties from winning a majority of electoral votes. c)it split

    asked by hazel
  48. math

    Which of these is a rational number A.)integer 150 B.)integer 441 C.)integer 200**** D.)integer 250

    asked by C.A.C
  49. chem

    a sample of gas has a volume of 500 ml at a pressure of 640torr. that volume in liters will the gas occupy at 1.00 atm pressure and constant temperature

    asked by SHORNORA
  50. math

    I need to get a better understanding about relative difference. Do you know of any websites that would have practice problems that I could go to? Thank you.

    asked by carly
  51. Math

    AB = 8 cm, AC = 6 cm, AD = 7 cm, CD = 2.82 and CAB=50°. The size of angle ABC, area of triangle ACD

    asked by Ma
  52. MATH

    Find the value of X if; Log base 10 7+ log base 10(3x+2)-log base 10(2x-1)=1

    asked by Simon
  53. physics

    Consider the Earth and the Moon as a two-particle system. (a) Find the gravitational field of this two-particle system at the point that is exactly halfway between the Earth and the Moon. (Assume a radial direction r̂ from the Earth to the Moon. Express

    asked by joy
  54. biology

    Cells such as neurons, which rarely if ever divide, can be explained as __________. A) being in the G0 phase of the cell cycle B) unable to activate apoptosis C) being in the G1 phase of the cell cycle D) having no active cell cycle I'm pretty sure it's A

    asked by Rylee
  55. math

    What problems might you encounter when calculating the equation of a line whose graph is actually parallel to one of the axes? The answer states, "Horizontal lines have any y-value and vertical lines have any x-value." Could anyone explain this, I'm not

    asked by anonymous
  56. Social Studies

    I have little time and am supposed to write a bibliography about one of the following: The Cherokee and the Trail of Tears 9/11 The Holocaust The election of President Obama The Civil Rights March& MLK's "I Have A Dream" Speech The Louisiana Purchase. The

    asked by ^o^
  57. physics

    A black hole is an object with mass, but no spatial extent. It truly is a particle. A black hole may form from a dead star. Such a black hole has a mass several times the mass of the Sun. Imagine a black hole whose mass is eighty-two times the mass of the

    asked by joy
  58. Algebra and Geometry

    Hi I have a question about my homework but my teacher doesn't explain to us very well so if someone can help me out.. iw ould appreciate it. Thank you. Find the quotient and remainder for x^5-x^4+7x^3-7x^2+5x-10/ x-1 thank you so much (:

    asked by Katherine
  59. Pre Calc

    If two forces of 5 lb. and 8 lb. are acting on the same point are equivalent to a single force of 10 lb., find the angle between the given forces, and the angle between the resultant and the larger force.

    asked by Sarah
  60. algebra

    if a function consists of the set of ordered pairs {(0,1),(1,2),(2,5),(3,10)}, what is the range of the function? -{0,1,2,3} -{0,2,5,10} -{1,2,5,10} -{1,1,3,7}

    asked by savannah
  61. Pre Calc

    You have recently been promoted and are now a senior pilot with BHS Exprress, providing courteous and timely service to countless cities across the Northeast. In order to arrive in New York City at the scheduled time, you know you must fly at a speed of

    asked by Sarah
  62. acting

    okay, this is just one last question on this, you guys already explained a lot and I REALLY appreciate it, but I've got one more Q. If I were to get a YouTube account and acted in front of a camera with other people, even without an official director,

    asked by Rylee
  63. Calculus 2

    Find the volume of the solid whose base is the semicircle y= sqrt(1− x^2) where −1≤x≤1, and the cross sections perpendicular to the x -axis are squares.

    asked by RaShawnya
  64. Calculus 2

    Using disks or washers, find the volume of the solid obtained by rotating the region bounded by the curves y=1/x, y=0, x=1 and x=4 about the line y=−1

    asked by RaShawnya
  65. Physics

    A wire length 2m and radius 1mm is stretched by 25mm on application of a force of 1000N.Calculate the young modulus

    asked by Rilwan
  66. SOCIAL STUDIES HELP PLEASE!!!

    how did the supreme court decision in Worcester V.Georgia and the Indian removal act lead to the removal and resettlement of native Americans groups? Can anyone help me with this please?

    asked by Mary
  67. physics

    The position of a particle moving along the x-axis is given by x = (13 + 11t − 1.5t2), where t is in seconds and x is in meters. What is the average velocity during the time interval from t = 1s to t = 4 s?

    asked by TNT
  68. math

    In a game of lawn bowls, the object is to bowl a biased ball so that it gets as close as possible to a smaller white ball called a jack. During a game, a player will sometimes bowl a ball quite quickly so that it travels in a straight line in order to

    asked by anonymous
  69. physics

    The position of an object as a function of time is given as x = At3 + Bt2 + Ct + D. The constants are A = 2.3m/s3, B = 1.8m/s2, C = −4.3m/s, and D = 2 m.(a) What is the velocity of the object at t = 12s? (b) What is the acceleration of the object at t =

    asked by TNT
  70. science

    What is a simplified, constructed version of a more complex system? a replica a model a minisystem a hypothesis B?

    asked by Bri
  71. physics

    The velocity as a function of time for a car on an amusement park ride is given as v = At2 + Bt with constants A = 2.9m/s3 and B = 1.3m/s2. If the car starts at the origin, what is its position at t = 4.2s?

    asked by TNT
  72. Math

    Write the fraction as a percent. If necessary, round to the nearest tenth of a percent. The fraction is: 6 4/5. ANSWER CHOICES: A: 68 B: 6.8 C: 6.4 D: 680 I think it is either A or D. Please help me.

    asked by Evalyn Carver
  73. Math

    Can you help me write this percent as a fraction please? The percent is 365. I already wrote it as a decimal which is 36.5. I just need help writing it as a fraction now.

    asked by Evalyn Carver
  74. physics

    A ball is tossed vertically upward with an initial speed of 18.2 m/s. How long does it take before the ball is back on the ground? (Assume the ball is tossed upward from the ground.)

    asked by TNT
  75. physics

    An airplane starts from rest and accelerates at 11.5m/s^2. What is its speed at the end of a 655m runway?

    asked by TNT
  76. Math

    the position vectors od points A and B woth respect to the original O, are (-8,5)and (12,-5) respectively. point M is the midpoint of AB and N is the midpoint of OA. Fin the coordinate of N and M; the magnitude of NM

    asked by K
  77. science

    Which option correctly describes the scientific way of thinking? (Select all that apply) skeptical empirical practical rational A,D?

    asked by Bri
  78. physics

    A ball is thrown directly downward, with an initial speed of 11m/s, from a height of 56m. After what time interval does the ball strike the ground?

    asked by TNT
  79. Science

    How could you use your open circuit to test if a material is a conductor or insulator? I'm thinking that you would have to use the resistance of a light bulb. If you set it all up, and the light bulb did not turn o, you have an insulator, if it did turn

    asked by <R a c h e l>
  80. physics

    A ball spins on a 0.5m-long string with a speed of 3.8m/s. Calculate the acceleration of the ball.

    asked by TNT
  81. physics question

    What factors affect the frequency of a wave? A. the amplitude B. the energy of the wave C. the wavelength of the wave D. the material through which it travels E. the velocity of the wave I said C,D, and E. Should there be anything else?

    asked by tyger2020
  82. geography

    What line of latitude marks the northern border of New York and Vermont? N 45 degrees? What is the capital of the nation whose southern border is comprised of the Persian Gulf and the Gulf of Oman? Iran capital Tehran?

    asked by Anonymous
  83. Math

    Help! I really hate these kind of questions because this is my weak point. (Don't ask why. I just don't understand these kind of questions that easily) Find 19/25 of $25,000. A: $2,500 B: $15,000 C: $19,000 D: $1,900 I think it's either C or B. Those are

    asked by Evalyn Carver
  84. algebra 9th grade

    write this in exponential form ^7 square root of b (7 is on outside as an exponent) thanks!

    asked by Marilyn
  85. Heath and PE

    According to the dietary guidelines for Americans, which of the following is important in order to maintain a healthy weight? Get all the nutrients your body needs Balance calories eaten with activity level Wash hands when preparing food Eat nutrient-dense

    asked by KAT
  86. physics

    Let = 2 î + 3 ĵ and = 2 î - 2 ĵ. Find the magnitude of the following. (a) and (b) + (c) - - 2

    asked by TNT
  87. math

    1) John usually gets to work by driving 29 miles down Greenwich Street, which goes from his house to his office in a straight line. One week, Greenwich Street is closed due to construction, so John gets to work by driving 13 miles wests on 57th street, and

    asked by aline
  88. physics

    A brick is thrown upward from the top of a building at an angle of 35° to the horizontal and with an initial speed of 14 m/s. If the brick is in flight for 3s, how tall is the building?

    asked by TNT
  89. science

    Define deductive reasoning. using general theories or principals to make predictions about more specific situations using specific observations in order to come to more general conclusions using specific observations in order to come to specific

    asked by Bri
  90. physics

    In the figure below, a stone is projected at a cliff of height h with an initial speed of 44m/s directed 60° above the horizontal. The stone strikes at A, 5.8s after launching. (a) Find the height, h, of the cliff. (b) Find the speed of the stone just

    asked by TNT
  91. Algebra

    Adult tickets to a play cost 20.50, and student tickets are 16.00. Ms powers can spend no more than 120.00 on tickets. If she buys 3 student tickets, how many adult tickets is she able to buy? Use a linear inequality in two variables to explain your

    asked by Jackson
  92. physic

    Does anybody know how I can find the mass of the electron for this question. I need to find it first to solve for the real one but don't see mass anywhere in the question.I see radiant and speed but no mass The radius of circular electron orbits in the

    asked by joy
  93. physics

    An Earth satellite moves in a circular orbit 616 km above the Earth's surface. The period of the motion is 96.8min. (a) What is the speed of the satellite? (b) What is the magnitude of the centripetal acceleration of the satellite

    asked by TNT