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Questions Asked on
April 24, 2018

  1. Physics

    Question 22 Unsaved If the gravitational force exerted by the Moon on an astronaut landed on the Moon is 113.6 N, what is the mass of the astronaut?

    asked by James

  2. Math

    ak=(2^(2k)k!)/k^k In this problem use the Ratio Test to decide whether the series converges. which is not the series is divergent. Compute L=lim|av(n+1)/(avn)|and find the numerical value of the limit L n->infinity "v" means down

    asked by Linda

  3. Calculus

    Show that the following integral is convergent, Integral, it goes from 0 to infinity dx/(sqrt(x) + x^2)

    asked by hewhomustbenamed82

  4. physics

    What is the moment of inertia for a solid cylinder?

    asked by joy

  5. Calculus

    What is the Taylor series generated by g(x) = x^3-2x+2 at a=5?

    asked by Anonymous

  7. Maths

    If sin x = 2/3 and cos y = 3/4, find the exact value of sin ( x + y ).

    asked by Fred

  8. Physics

    Calculate how much energy is stored in a 17μF capacitor when it is charged to a potential difference of 200 V

    asked by sam

  9. Physics

    Calculate the time it takes for a gamma ray to travel from the Sun to the Earth Distance (mean) Earth to Sun=1.5 e11 m

    asked by ted

  10. Physics

    A monochromatic laser beam, with a wavelength of 532 nm passes through a diffraction grating. If the second order diffraction maximum occurs at an angle of 35.0 degrees to the straight through position, calculate the separation of adjacent slits on the

    asked by ted

  11. Physics

    Locate the center of mass of three particles of mass m1=1.0kg,m2= 2.0kg, and m3= 3.0kg at the corners of an equilateral triangle 1.0m on a side

    asked by Mieso

  12. Science

    Your Science Club is tutoring some younger students in astronomy. You hear one student describe how people on Earth can never see “the dark side of the Moon.” You know that is an inaccurate statement. What reasons would you give to explain to the

    asked by Help!

  13. Lunar Eclipse

    You have just witnessed a total lunar eclipse! Write an email to a friend, describing the sequence of events that you witnessed. Explain why the eclipse occurred and your impressions of the changing night sky.

    asked by Please help!

  14. Math

    At the veterinarians office, Terri learnee that her dog weighed 4 times as much as her cat. Together the pets weighed 40 lbs. How much did the dog weigh?

    asked by Makenzie

  15. s.s.

    How did Augustus change the Roman Republic? How did Augustus pave the way for 200 years of peace and prosperty? Plz plz help me

    asked by Mary

  16. Math

    Rakesh was fixing a jigsaw puzzle

    asked by Anonymous

  18. Language Arts

    Lesson 19: Rythm and Rhyme Unit Test gifted and talented language arts 6 B unit 2: Rythm and Rhyme Write 1-2 paragraphs in response to the following prompt: Explain how repetition, alliteration, and onomatopoeia are all used in lines 6-7 of “Cynthia in

    asked by Connexus

  19. Math

    Rational numbers are fractions and their opposites. All of these numbers are rational numbers. Show that they are rational by writing them in the form a/b or -a/b. 0.2-1/5 -√4 0.333-333/1000 √100 -1.000001 √1/9 All rational numbers have decimal

    asked by Kendall

  20. math

    graphing in the coordinate plane unit test 3. which ordered pair is not a solution of y= -12x - 3 a.(-3,33) ***** b.(8,-98) c.(-9,105) d.(3,-39) 4.not posted 5. find the three solutions of the equation y = 7x - 5 a.(3,-26),(-1,-12),(3,16)

    asked by Pug lover

  21. Algebra

    Where do the graphs of these equations intersect? 3x+y=4 ((0,4) ??? X+y=2 (0,2) ??? Write an equation that results from adding the 2 equations in the above problem. Does this equation also pass through (1,1) ??

    asked by Bella

  22. Chemistry

    4HCI(g)+O2(g)2CI2(g)+2H2O(g) How would the equilibrium shift if: A. The amount of HCI was increased? B. If water was added? C. If oxygen was removed?

    asked by Samantha

  23. Math

    Musa paid sh 180 for a shirt after getting à discount of 10%.the shopkeeper made a profit of 20% on the sales of this shirt.what % profit would the shopkeeper have made if no discount was made??

    asked by Caro

  24. Maths

    Consider the cubic polynomial f(z) =z3−2z+ 4. Given that z = 1 +i is a root of f(z), determine all the roots of f(z) in C

    asked by tom

  25. math

    carlos makes geometrical artworks out of sheet metal. the dimensions of a full size sculpture will be 6 times the dimensions of the model shown below. He will not use any metal for the bottom base of the cylinder. How many square feet of sheet metal will

    asked by kris

  26. Math

    Dale is making a smoothie. The recipe calls for one kind of fruit and one kind of juice. There are seven kinds of fruit in two kinds of juice to choose from how many different smoothies can Dale? make

    asked by Shadasia

  27. math

    Think about it ... Julie says that a rotation of 180° around the origin is the same as the reflection in the x-axis followed by a reflection in the y-axis. Is Julie correct? Justify your answer and be sure to include a diagram. I just wanna know does

    asked by Key

  29. Algebra

    What is $25000 * (0.06)^10

    asked by Cheyann

  30. Geometry

    Use the figure to answer the question that follows: Segments UV and WZ are parallel with line ST intersecting both at points Q and R respectively When written in the correct order, the two-column proof below describes the statements and reasons for proving

    asked by Hannah

  31. Social Studies

    Tax money that is spent in the community y is called an ____tax

    asked by Carl

  32. Biology

    Many different factors can cause low crop yield. Which factor listed is a biotic factor? A) drought *** B) hailstorms C) poor soil quality D) insect infestation

    asked by Beyblade Burst is Awesome

  33. Geometry

    1. Write an equation of the line that passes through the point P and is perpendicular to the line with the given equation: P(1,4); y = -2x + 4 answer y= 2 x + 2 2. Write an equation of the line that passes through the point P and is perpendicular to the

    asked by cristalL5

  34. physics

    A car goes round a flat circular bend whose radius is 100metres at constant speed at 30 metres per second. Calculate its acceleration? If the mass of the car is 1500kg.calculate the frictional force required to provide the acceleration

    asked by nerea

  35. physics

    Calculate the maximum speed at which the cargo rounds the bend without skidding if the coefficient of friction between the tyre an the ground is 0.5?

    asked by nerea

  36. Genealogy

    If Teresa's daughter is my daughter's mother, who am I to Teresa?

    asked by Sherrill

  37. US History

    For this portfolio project, you will conduct research and examine documents that show the thoughts of both immigrants and people who opposed immigration. You will use the research and primary documents to write an essay in which you answer the question:

    asked by Ali

  38. Math

    Each letter of the English alphabet is written on a scrap piece of paper and put in a hat. P(j) What type of probability is Illustrated and why.

    asked by Anonymous

  40. Maths

    A shopkeeper bought 160 eggs for 320 naira 40 eggs were cracked he sold the remaining for 480 naira find her profit or loss percentage. ︶︿︶

    asked by Risen Okoro

  41. physics

    A simple harmonic oscillator's velocity is given by vy(t) = (0.86 m/s)sin(11t − 5.55). Find the oscillator's position, velocity, and acceleration at each of the following times. (Include the sign of the value in your answer) a) t = 0s b) t = 0.5s c) t =

    asked by joy

  42. social issues

    Which statement best describes the militia theory? The Amendment, the Theory, and the Courts: Select the best answer from the choices provided. The founding fathers intended the Second Amendment to protect the collective right of Americans to keep and bear

    asked by amaya

  43. science

    How many years are in a second?

    asked by Anonymous

  44. math

    The formula for the lateral surface area of a cone is A=πr√(h^2+r^2). (A)Solve for r and simplify the result, if possible. (B) If the lateral surface area of a cone is 10 square feet and the height is 16 inches, what is the radius of the cone in inches?

    asked by Andrea

  45. History

    Were hippies conformists or nonconformists? Discuss your answer by considering how hippies were different yet similar to the youth of their parents’ generation.

    asked by |-/

  46. History

    What was one emphisis of the constitution of 1845? A: Fiscal responsibility b: Freedom of former slaves C: Importince of high Texas D: increase state debt Why was the Texas constitution of 1845 twice as long as he written before it select all that apply

    asked by Smile

  47. History

    One of the impulses of the constitution of 1845 a physical responsibility Former slaves importance of high taxes increase state debt Why was he Texas her station of 1845 twice as long as the one written before it select only two it decreased a large number

    asked by D

  48. Math

    I am currently doing a question in which the equation is dN1/dt= -N1 + 0.1N1*N2 However, I am able to follow until the step of -N1(1 - 0.1N2) after that I'm not able to follow to the step of (-1)N1 (1-N2/10) Can someone please explain to me how we went

    asked by Sally

  49. Math

    WHat is the awnser to this question in IXL? Read the following description of a relationship: Cassie started downloading a movie on her phone, but lost connection after 61 MB had downloaded. She finished downloading at home at a speed of 99 MB per second.

    asked by Ella

  51. Math

    Does an 8-car Ferris wheel have rotational symmetry? Explain I need help asap

    asked by Anonymous

  52. Digital electronics and logic

    Determine the base/radix of the numbers in each case for the following operations to be correct: (i) 29 + 17 = 40 (ii) 7 + 6 = 15 (iii) 67 + 24 = 113

    asked by Evans

  53. Math

    How could you create a rotation of the original images? How could you create a translation (slide) of the original images?

    asked by Risha

  54. math

    a rental car company charges a fixed fee of 30$ plus $0.05 per mile. let c represent the total cost of renting a car and driving it m miles. Write a equation that could be used to find the total cost of renting a car and driving it any number of miles.

    asked by crystal

  55. miles

    the Boggs family paid 49.75 for their car rental. how many miles did they drive? (p.s. it is based off the same question I sent before it)

    asked by crystal

  56. Calculus

    Show that the series sum(-1)^(n-1) b_n, where b_n = 1/2 if n is odd and b_n = 1/n^2 if n is even, is divergent.

    asked by Aaron

  57. Math

    In its Flip Your Lid contest, a coffee chain offers prizes of 50 000 free coffees, each worth $1.50; two new TVs, each worth $1200; a snowmobile worth $15 000; and a sports car worth $35 000. A total of 1 000 000 promotional coffee cups have been printed

    asked by Zachary

  58. physics

    An excited atom emits a photon of a certain frequency. Then two photons of this frequency fly towards the atom. Which of the following is likely to happen next? 1. An atom will emit another photon of the same frequency. 2. The atom will absorb one of the

    asked by Lyndsay

  59. ss

    Hey guys im super behind in my ss work and we have a portfolio and i honestly dont understand any part of it ( probably bc im so dumb lol) and im in connexus btw idk if that helps here are the directions Migration and Immigration in the Early 20th Century

    asked by ur mom

  60. Statistics

    Consumers own laptops of brand X for a certain amount of time before buying a new model. This time duration has a distribution with unknown mean and standard deviation 1.5. The company X expects that consumers will keep their laptop or 3.5 years. After

    asked by Kim

  62. Math

    A charity raffle offers a first prize of $1,000,000, a second place prize of $100,000 and a third place prize of $10,000. A total of 500 000 tickets will be sold. What price should be charged for a ticket in order for the charity to make a 60% profit on

    asked by Zachary

  63. Physics

    What is the frequency range of light seen when you look at a black object? 1. All possible colors 2. ultra violet colors 3. no visible colors 4. infra-red colors

    asked by Lyndsay

  64. chemistry

    2AgNO3 + Zn -> 2Ag + Zn(NO3)2 Put Zn 19g and excessive amount of AgNO3 together in a beaker and start reaction. When Zn is still in a beaker, stop the reaction, and measure the mess of (Zn+Ag). Mass of (Zn+Ag) was 29g. Than what is the mass of Ag in

    asked by Rov.

  65. Physics

    In the Theory of Special Relativity, the momentum of a massless particle is equal to which of the following? A. m0c^2 B. E2c^2 C. E/c D. E/c^2

    asked by Brian

  66. physics

    An excited atom emits a photon of a certain frequency. Then two photons of this frequency fly towards the atom. Which of the following is likely to happen next? 1. An atom will emit another photon of the same frequency. 2. The atom will absorb one of the

    asked by zachary

  67. Physics

    A 2kg mass moving with a velocity of 7 m/s collides elastically with a 4 kg mass moving in the opposite direction at 4 m/s. The 2 kg mass reverses direction after the collision and has a new velocity of 3 m/s. What is the new velocity of the 4 kg mass? My

    asked by anonymous

  68. Chemistry

    Write balanced net ionic equations for the precipitation reactions that occur when the following solutions are mixed. If no reaction occurs, write "no reaction" a) silver nitrate and lithium hydroxide b) ammonium sulfide and cobalt (II) bromide I'm

    asked by Kanade

  69. English

    1. There is a toy near the box. 2. There is a toy by the box. 3. There is a toy beside the box. 4. There is a toy next to the box. 5. There is a toy at the box. [Are they all the same in meaning? Can we use #5? Is #5 the same as the others?Do you have

    asked by rfvv

  70. math

    A charity raffle offers a first prize of $1,000,000, a second place prize of $100,000 and a third place prize of $10,000. A total of 500 000 tickets will be sold. What price should be charged for a ticket in order for the charity to make a 60% profit on

    asked by Jacob

  71. English

    1. There is a book beneath the box. 2. There is a book under the box. ------------------------------------------ Which one is correct? Do we have to use 'beneath' or 'under'? On the floor, there is a box. Between the box and the floor, there is a book. In

    asked by rfvv

  73. Biology

    What biome as the largest biomass? Taiga? Where do migratory birds go to nest ? Which biome?

    asked by Anonymous

  74. Math

    What is 48,567kilo in metric tons? Im in 4th grade no judge

    asked by Lisa

  75. Chemistry

    The solubility products of Fe(OH)2 and Fe(OH)3 are 10^-17 and 10-38 respectively. If the concentrations of Fe2+ and Fe3+ are each 10^-5, at what pH will each hydroxide just begin to precipitate?

    asked by Yui

  76. Math

    Hi, Can someone please help me on this question. From midnight to 6:00 am, the temperture rose 8 degrees C. at 6:00 am the temperature was -20 degrees C. what was the temperature at midnight? Thanks :)

    asked by RavenclawGal

  77. Geometry

    Write an equation of the line that passes through the point P and is perpendicular to the line with the given equation: P(5,3); y = 5x + 2 I think its Y=1/5x+4

    asked by Anonymous551

  78. Pysics

    Calculate the focal length of a concave spherical mirror that projects an image 12.0 cm in front of the mirror with a magnitude of -0.42

    asked by Anon

  79. math

    consider the graph of the equation xy=9. rotate the graph 45 degrees clockwise about the center (0,0). what is the equation of the rotated graph?

    asked by Cadie

  80. math

    circle O has a diameter D and circle P has a diameter d. the two circles are externally tangent. find the length of the common external tangent in terms of the circles' diameters

    asked by Cadie

  81. chemistry

    How many moles of Cu2+ ions are present in 1L of .125M CuSO4:5H2O solution?

    asked by sarah

  82. chemistry

    What is the difference between aromatic compounds and cycloalkanes?

    asked by Anonymous

  84. Social Studies

    The idea that the English colonies could break the contract with their mother Country came from this Enlightened person

    asked by George Carl

  85. chemistry

    If 3.30 mL of vinegar needs 42.5 mL of 0.150 M NaOH to reach the equivalence point in a titration, how many grams of acetic acid are in a 1.50 qt sample of this vinegar?

    asked by Anonymous

  86. chemistry

    If 22 mL of 5.0 M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid?

    asked by Anonymous

  87. Math

    The running shoes Gina bought at a 20%-off sale were originally priced at $70. Before tax was added, how much money did Gina save by buying the shoes on sale?

    asked by Anonymous

  88. Calculus

    The region R is bounded by the x-axis, x = 1, x = 3, and y = 1/x3. a.) Find the area of R. b.) Find the value of h, such that the vertical line x = h divides the region R into two Regions of equal area. c.) Find the volume of the solid generated when R is

    asked by John

  89. Calculus

    The region R is bounded by the x-axis, x = 1, x = 3, and y = 1/x^3. a.) Find the area of R. b.) Find the value of h, such that the vertical line x = h divides the region R into two Regions of equal area. c.) Find the volume of the solid generated when R is

    asked by John (corrected info)

  90. math

    A charity raffle offers a first prize of $1,000,000, a second place prize of $100,000 and a third place prize of $10,000. A total of 500 000 tickets will be sold. What price should be charged for a ticket in order for the charity to make a 60% profit on

    asked by John

  91. Algebra

    Evaluate this expression for a= -2 2a to the 3rd power times (2a) to the 3rd power

    asked by Dylan

  92. Math

    If you toss 2 dice a1,000 times, how many of those would you expect to equal 7?

    asked by Anonymous

  93. physics

    Which room would have the most reverberation, a padded cell or a tiled shower stall? Why?

    asked by altaif

  95. Math check my answers please!!!!

    1. Find the volume of a square pyramid with a base length of 9 cm and a height of 4 cm A.324 cm^3 B.108 cm^3 C.36 cm^3 D.152 cm^3** 2. Find the volume of the given cone. It has a radius of 6 in. And a height of 11 in. A. 320 in^3 B.1,224 in^3 C.415 in^3**

    asked by Gurl nerd

  96. Social Studies

    Radical Republicans had two main goals. First, they wanted to break the power of wealthy planters who had long ruled the South. Second, they wanted to ensure that freedman received the right to vote. They used legislative reforms. or changes in laws, to

    asked by Harper Grey Lanning

  97. Statistic

    Consumers own laptops of brand X for a certain amount of time before buying a new model. This time duration has a distribution with unknown mean and standard deviation 1.5. The company X expects that consumers will keep their laptop or 3.5 years. After

    asked by Kim

  98. math:) Law of Sines

    A 6 ft. person is leaning against a pole. The person makes a 35 degree angle with the pole. He also makes a 50 degree angle with the ground. How tall is the pole? I am confused how to do this. Any help is greatly appreciated!

    asked by girly girl

  99. Finance

    ABC Mining is evaluating the introduction of a new ore production process. Two alter¬natives are available. Production Process A has an initial cost of $25,000, a 4-year life, and a $5,000 net salvage value, and the use of Process A will increase net cash

    asked by MIchael

  100. Physics

    In the Theory of Special Relativity, the momentum of a massless particle is equal to which of the following? A. m0c^2 B. E2c^2 C. E/c D. E/c^2

    asked by Brian

  101. physics

    A 1500 kg car is rounding a curve with a radius of 204 meters on a level road. The maximum frictional force the road can exert on the tires of the car totals 4439 N. What is the highest speed at which the car can go to round the curve without sliding?

    asked by zach

  102. physics

    A 4231 kg car is rounding a curve with a radius of 42 meters on a level road. The car has a velocity of 23.9 m/s. Calculate the acceleration of the car in m/s2. did you guys get 13.6?

    asked by zach
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