Questions Asked on
April 10, 2018

  1. Math (Updated)

    F(x)=9x^3+2x^2-5x+4 and g(x)=5x^3-7x+4. what is f(x)-g(x)? Show all of your steps and write your finial answer in factored form.

    asked by D
  2. Fact file

    give one place where vascular bundles are spread out

    asked by Ali
  3. Fact file

    give one place where vascular bundles are close together

    asked by Ali
  4. Physics

    Find the electric potential at the centre of the square of side 1m at the four corners of charges of q1, q2,q3,and q4 are placed having values 3×10^-8C,-3×10^-8C,-5×10^-8C and 6×10^-8C respectively.

    asked by Ash
  5. Math

    What is the median of the data set below 77 92 84 97 72 88 77 a. 77 b. 83.9 c.84*** d. 88

    asked by Anonymous
  6. Math

    a submarine is at depth of 200 m below the sea descends at uniform rate of 3m/s for 20 secobds. find its depth from the surface after 20 seconds

    asked by Nisha
  7. Math

    A swim team consists of 7 boys and 5 girls. A relay of 4 swimmers is chosen at random from the team members. What is the probability that there are 3 boys on the relay team given that there is 1 girl on the relay team. Express your answer as a fraction in

    asked by Hal
  8. Circuits 2

    a circuit with an ideal transformer with a source voltage, Vs=10cos(ωt)V, N1:N2=1:4, and RL=50Ω. What is the magnitude of the current on the primary side of the transformer?

    asked by student
  9. Circuits 2

    V1 has rms voltage of Vrms=10V. The turn ratio of the primary to secondary side of the transformer is 1:10. If R1 has a value of 20Ω, what is the value of the rms current on the secondary side? what is the value of the rms current on the primary side?

    asked by student
  10. Algebra

    Find the next three terms in the sequence? -6,5,16,17 A 38,49,60*** B 37,47,57 C 36,45,54 D 36,46,57 3 What are the first four terms of the sequence represented by the expression n(n-1)-5? A -7,-5,-3,1 B -5,-10,-15,-20 C 0,2,6,12 D -5,-3,1,7*** 6.Given the

    asked by Cindy
  11. Mathh

    A rectangular flower bed is to be created so that the length is 3 m more than the width. If the length of the diagonal of the flower bed is 15 m, determine the length and the width.

    asked by T
  12. Chemistry

    a 20.94-g sample of an unknown metal is heated to 99.4 degrees Celsius in a hot water bath until thermal equilibrium is reached. The metal is quickly transferred to 100 mL of water at 22.0 degrees Celsius contained in a styrofoam cup. The thermal

    asked by Dalal
  13. physics

    Explain why you don’t need a displacement vs. distance graph for light, but you do for other traveling waves.

    asked by rosalinda
  14. Math

    The perimeter of an isosceles trapezium ( having non-parallel sides equal ) is 7.07 cm. If the parallel sides of the trapezium measure 37/20 cm and 58/25 cm, find the measure of the equal non parallel sides.

    asked by Jack rider
  15. Tech (Check answers) 4 questions

    1. How can someone be humorous and have fun online with others without becoming a bully? A) She can make her mean comments anonymously. B) She can use etiquette to make sure that written communication is clearly understood. C) She can use ALL CAPS when she

    asked by Beyblade Burst is Awesome
  16. math

    If dennis rolls 2 number cubes with sides labeled 1 to 6, what is the probability that the sum of the numbers is greater than or equal to 10? daniela flipped a coin and spun a spinner that is divided into four equal- size sectors colored red, yellow,

    asked by porque
  17. Math

    a submarine is at depth of 3500m below the sea level. it comes up 560m and then goes down by 1250m. if we consider the sea level as zero. what is the current position of submarine

    asked by Nisha
  18. English

    1. He is in the river. [He is inside the river.] 2. He is sitting on the river. [He is sitting on the surface of the water.] 3. He is sitting in the river. [He is sitting on the bottom of the water.] 4. He is eating at the river. 5. He is eating at the

    asked by rfvv
  19. History

    President Kennedy's response to the Cuban Missile Crisis was overthrow the Soviet government from within the Kremlin invite Castro to Washington D.C. for peace talks* send CIA-led forces of Cuban exiles to invade Cuba and overthrow Castro The Tet Offensive

    asked by Dylan
  20. Physics

    An object is placed at a distance of 60 cm from a converging lens with a focal length of 20cm. What is the magnification of the lens?

    asked by Lance
  21. History

    Which options accurately describe the actions by individual leaders that shaped the Korean conflict? (select all that apply) a. Stalin was opposed to getting the Soviets involved in a military dispute with the United States and its allies so soon after

    asked by Quinn
  22. Science

    My teacher wants me to write a 7 paragraph essay on Interdependent Relationships in Ecosystems. I don't fully understand the topic, though I studied my textbook for about 45 minutes to and hour. I was wondering if you guys could help me. Thanks! ^-^

    asked by Evalyn Carver
  23. Circuits 2

    Enter the angle, θ, in degrees. Give the angle in the range [−90∘,90∘].

    asked by student
  24. math

    A cylinder has a surface area of 339 square centimeters and a radius of 6 centimeters. Estimate the volume of the cylinder to the nearest whole number

    asked by Juan
  25. Math

    The current global human population is about 7.5 billion and is growing at an annual rate of 1.11 percent If world population were to grow at this rate for the next year approximately how many people would be added? 8x10 to the what

    asked by Anonymous
  26. math

    1.In order to determine the effects of alcohol on reaction time, 40 randomly selected adult male individuals were assigned to four treatment groups of ten subjects each. The first group was asked to consume the alcoholic equivalent of five beers in a

    asked by bobby
  27. criminology

    If you were a defense attorney, what would you want the jurors to know about the limits of forensic evidence?

    asked by Bri
  28. English

    Which of these words has the same denotative meaning as, but a different connotative meaning than, the word slender. A.) narrow B.) skinny C.) compressed D.) needlelike Which of these is a collective noun? A.) colony B.) dogs C.) them D.) cows Which

    asked by Homework Help??
  29. English

    1. The ship is moving on the river. 2. The ship is moving in the river. [Which preposition do we have to use?] 3. He is floating down on a wide board on the river. 4. He is floating down on a wide board in the river. [Do we have to use 'on the river'

    asked by rfvv
  30. Social Studies

    How would immigrants learn to live in a nation with a culture different from their own?

    asked by I need helppppp
  31. politics

    .In the pluralist model, bargaining among groups is carried on by: leader. b.few leaders. c.many leaders. A?

    asked by bev
  32. Socials

    Im not doing very well in socials 9, i will be going to socials 10 next year. Is the information continuous meaning do they add on to socials 9? If it's completely new what's point of learning socials 9.

    asked by 1
  33. criminology

    Which would be considered a cause of death? suicide by hanging lack of oxygen accidental suffocation being strangled B?

    asked by Bri
  34. English

    1. He is sitting at the computer. 2. He is working at the computer. 3. He is eating at the computer. [Are they all grammatical? Is he doing the activities near or in front of the computer?]

    asked by rfvv
  35. Algebra

    August began working on a computer program. After 7 1/5 hours, he had completed 20 1/10 lines of code. What was his unit rate of programming in lines of code per hour?

    asked by Brinlee
  36. Math

    A population doubles every 18 years. Assuming exponential growth find the following: (a) The annual growth rate: (b) The continuous growth rate is

    asked by George Carl
  37. Circuits 2

    Consider the ideal transformer, where i1(t)=20cos(120πt) Amps and v1(t)=100cos(120πt−45∘) volts, and a = 1 and b = 10. What is the rms value of i2 in amps? what is the amplitude of i2 in amps?

    asked by student
  38. maths

    If the coordinates of the midpoint of the line segment with end points (a, 4) and (3, b) are (5, -2), find the values of a and b.

    asked by Bryan
  39. Math

    In 2009 it was estimated that Brazil had 3,663,000 children born and 1,262,000 people who died. The total population for the country was 198,739,000 people. Calculate the crude birth rate crude death rate annual growth rate and estimated doubling time not

    asked by Anonymous
  40. politics

    9.Use of the Internet for grassroots organizing, political commentary, and fund-raising has become a standard due to developments in the __________ presidential campaigns. a.1996 b..2000 c.2004 d.2008 sorry,I know i already posted before... So is it B?

    asked by bev
  41. ALGEBRA 1!!!

    While traveling in Egypt, Judah carefully peeked into his wallet and found that he had $80 in $10 and $5 bills. If there were 4 fewer $10 bills thn $5 bills, how many of each did Judah have? I tried this problem over and over and it just isnt clicking in

    asked by HELP ME PLS!!!! IT'S TOO CONFUSING!!!!
  42. bio

    during what phase of mitosis do centromeres divide and the chromosomes move towards the respective poles

    asked by Anonymous

    Hi, please somebody help me. how is potassium chloride extracted from Carnallite?

    asked by NSANGOU
  44. Science

    what is the ph range of red cabbage

    asked by T
  45. Science

    What are some examples of Environmental Invaders?

    asked by Anonymous
  46. logic

    What is the name of the fourth son. In the second sentence there is no question mark hence fourth son name is 'what'

    asked by vaibhav gurav
  47. Algebra 1

    Two jets leave Marble Airport at 3 pm, one traveling east and the other traveling west. The westbound jet averages 625km/h and the eastbound jet averages 825 km/h. At what time will the jets be 725 km apart?

    asked by Suzie
  48. history

    muslims must what 1 pray 8 times a day 2 save all thier money 3 fulfill the five pillars of islam 4 live in makkah

    asked by i dont understand
  49. Math

    The following data shows the number of potatoes in twenty 2 kg bags. One graph represents Farm A, the other represents Farm B Farm A: 8,9,11,13,13,16,19,19,19,20,21,21,23,25,26,27,30,31,33,33 Farm B:

    asked by Lilly
  50. Engineering

    A heated spherical ceramic object (diameter= 10cm), initially at 1200k, is held in a large enclosure whose walls are maintained at a temperature of 300k. The sphere has an emissivity of 0.7. Properties of Sphere: Density =4500 kg/m^3, heat capacity= 400

    asked by tom
  51. science

    How can volcanic eruptions change the surface of the earth? A. by lowering land levels several feet B. by creating new islands and land C. by creating large deposits of coal D. by decreasing the level of the ocean i think its B

    asked by sky
  52. english

    Each group of sentences contains two errors in parallelism. Underline these errors. Then, on the lines below, rewrite the unbalanced portion to make it parallel with the other listed items in the sentence. 1. Online dating is enjoyable, and it is exciting,

    asked by Anonymous
  53. science

    can somebody explain to me whats the difference between physical and chemical properties of a substance?

    asked by hi
  54. American Government (9th Grade)

    1. Which of the following government actions have the greatest impact on promoting racial equality and housing? A. The passage of the title IX amendment to the civil rights act of 1964 B. The passage of the civil rights act of 1968 C. The Supreme Court

    asked by Geno
  55. Math

    1/4 + 1/5

    asked by Gossip girl
  56. Physics

    What is the focal length if a lens that has a center of curvature 8 meters from one of the curves on the lens?

    asked by Lance
  57. Chemistry

    A 5.00-g sample of KBr at 25.0 C dissolves in 25.0 mL of water also at 25.0 C. The final equilibrium temperature of the resulting solution is 18.1 C. What is the enthalpy of solution, delta H (s), of KBr expressed in kilojoules per mole? Last one on prelab

    asked by Dalal
  58. Calculus

    For approximately what values of x can one replace sin x by x - x^3/6 with an error of magnitude no greater than 0.00006? I did |x|^5/120 < 0.00006 and got -0.3728 < x < 0.3728.

    asked by Anonymous
  59. math

    what helped homesteaders to survive

    asked by Rashad
  60. physics - help!

    A soccer ball is kicked with a speed of 22m/s at an angle of 35.0º above the horizontal. Can someone show me how to find how long the ball was in the air if the ball lands at the same level from which it was kicked?

    asked by Mariam
  61. precalculus

    What's the polar equation of an ellipse given the eccentricity=1/2 directrix=y=? also how do i know if it is sin or cosine?

    asked by homework
  62. Math

    A large container at a party holds 9 liters of lemonade. About how many gallons of lemonade does the container hold?

    asked by Tyler
  63. Sociology

    Any ideas on: Why does society perceive street (blue collar) crime has more impact in society? Why does society perceive white collar crime have more impact in society than blue-collar crime. Make an argument for each side and provide sociological

    asked by Lauren
  64. Chemistry

    If 15.00 g of solid zinc reacts with 100.0 mL of 4.00 M hydrochloric acid, what volume of hydrogen gas is produced at 25°C and 1.00 atm?

    asked by Naran
  65. Social Studies (Latin America unit review practice

    All of the following are regions of Latin America except? A: The US and Canada*** B: Mexico and Central America C: The Caribbean D: South America

    asked by captin crunch
  66. Math

    Write an equation to express y in terms of x. X Y

    asked by 0livia
  67. physics - please help me!

    Hello! I'm having a bit of trouble trying to solve this physics problem. I'm not sure which equations to use or where or how to plug my variables: Robin Hood wishes to shoot an arrow through the open window of a tall castle wall. The window is 16m meters

    asked by Mariam
  68. geography

    the west indies are located between what two bodies of water? Is it the caribbean sea and the north atlantic ocean?

    asked by Anonymous
  69. Math

    Find the hydrogen ion concentration for Ammonia, with a pH of 11.0. Hint: pH=−log[H+]. ________moles per liter

    asked by George Carl
  70. Math

    a submarine is at depth of 3500m below the sea level. it comes up 560m and then goes down by 1250m. if we consider the sea level as zero. what is the current position of submarine

    asked by Nisha
  71. Math (pt 2)

    Sorry! I posted only the beginning of this question before. Here's the whole thing. Write an equation to express y in terms of x. X 1 __(blank) 3 4 5 Y 7 12 17 22 __(blank) y = ________(blank) I don't understand this one. Can someone please help????

    asked by 0livia
  72. Math

    While going downstream boat covers a distance in 48km in 6hrs while returning covering the same distance in a task. find the speed of boat and that of river.

    asked by Yash
  73. US History

    I'm having trouble answering this question, so I just wanted a second hand opinion. Any help is appreciated! What is one reason blacks began to expect more civil rights after World War II A. Congress had launched investigations into racial inequalities in

    asked by Evelyn
  74. Algebra

    Evaluate these 2 help 1/3x+1/4 for × +2 1/3x+1/4 for x=3/4

    asked by Dylan
  75. Algebra

    Solve the equation 7 (x-19)=7x3

    asked by Dylan
  76. US History

    Sorry, I have two other questions that are quite difficult to decide on. The first one is: Why did the Kennedy Administration begin to act on civil rights after Project C in Birmingham, Alabama? A. President Kennedy needed congregational support for his

    asked by Evelyn
  77. math

    1. Arabella's password consists of one letter followed by 2 digits. What is the probability of correctly guessing arabella's password? 2. If the probability of an event happening is p, what is an algebraic expression that represents the probability that

    asked by please solve this i don't get it
  78. Chemistry

    (I need help with these two questions. I don’t know how to solve it.) 1. A student takes 215mL of a 5.0M HCI solution and places it into a beaker. The students then adds enough water to the beaker to make 750mL. Calculator molarity of this new solution.

    asked by Samantha
  79. Math

    Hank buys his dog food in bulk. He recently just bought a 5 lb. bag of food. If he uses a scooper that holds 1/8 of a cup of food, how many days can he feed his dog?

    asked by Jorge
  80. Programming

    Write a program using for loop along with switch case

    asked by Eshlee
  81. Socials

    What does colony mean? On the internet, it says a country or area under the full or partial political control of another country, typically a distant one, and occupied by settlers from that country. So what does British colony means? does it mean British

    asked by qqqqqqq
  82. Programming

    Input the CP of a TV and rate of discount and calculate SP in Java programming Please show the programming computer expert!!

    asked by Raghav
  83. algebra

    myrna spent $21.95 on treats to put in Gift of Love boxes for the needy children in her city. A candy bar coasts $0.80 and a bag of trail mix costs $0.65. Myrna bought 7 more candy bags of trail mix than candy bars. How many candy bars did she buy? this is

    asked by Begging for help
  84. Reading

    Society can be good Society can be bad Society can be like a Double-edged sword Which usually comes out sad does this have a simile?

    asked by Anonymous
  85. Algebra

    keisha drive from buffalo to syracuse at an average rate of 48 mph on her return trip along the same road she was able to travel at an avg rate of 60 mph the trip from buffalo to syracuse took a half an hour longer than the return trip how long did the

    asked by Anonymous
  86. Math

    the width of a calculator can be represented by (3x+1) inches. the length of the calculator is twice the width. write a polynomial that represents the area of the calculator.

    asked by Joelle
  87. Math

    Please help! I'm behind and need help. Only need help with these questions. Unit 4, Lesson 10 Math test (Quadratic Functions and Equations Unit Test). Thank you! 2. How is the graph of y equals -8x^2 - 2. different from the graph of y equals negative 8x

    asked by bluah. PLEASE HELP ME!
  88. MATH

    Owen deposited $900 in a savings account with simple interest. Two years later, he had earned $144 in interest. What was the interest rate?

    asked by RILEY