1. Archives
  2. 2013
  3. December

Questions Asked on
December 18, 2013

  1. Math help :(

    1. 3w – 10w 13w –7w –7 7w 2. y + 2y +3z 2y + 3z 3y + 3z 2y2 + 3z 6yz 3. 6r + r – 5r 2r 1r + r 0r 7r – 5r 4. 5x + 2(x + 6) 7x + 6 7x2 + 12 7x + 12 7x (x + 6) 5. –3m + 3(m + 6) (1 point)6 –6m + 6 6m + 18 18

    asked by Princess Anna

  2. science

    Define the geological time scale and explain why geologists use it to show Earths History.

    asked by victoria

  3. Help?

    1. What does it mean to calculate frequencies within a dataset? to count the number of times a dataset is used by a student to calculate the product of two variables to make a third variable to count the number of cases that fall into different subgroups

    asked by Princess Anna

  4. algebra

    During a manufacturing process, a metal part in a machine is exposed to varying temperature conditions. The manufacturer of the machine recommends that the temperature of the machine part remain below 141°F. The temperature T in degrees Fahrenheit x

    asked by Helen

  5. History!

    Can someone please help me? Thanks! I'm really behind and i need to get caught up and i just really need some help! Thanks!! :) 1. As a result of the French and Indian War, _____ claimed all land west of the Mississippi River, and _____ gained control of

    asked by Mandy

  7. socialstudies(check answers please)

    please check my answers and thank you 1. what resource first drew european traders to canada ? A. timber B. fish C. animal furs (i pick this) D. whales 2. Evaluate which of the following most allowed religious freedom and french laws in canadas history ?

    asked by matt

  8. precalculus

    To what interval I must we restrict the parameter t if the graph of the parametric equations x=t+1 y = 2t^2 +1 for t in the set I is identical to the graph of the parametric equations x = 1+ sin s y = 2- cos(2s) for s in [0,pi)?

    asked by dreidel

  9. science

    Earth's atmosphere,oceans, and continents began to form during the first several hundred million years a) Precambrian time b) the Paleozoic era c) the Mesozoic era d) the Cenozoic era

    asked by victoria

  10. math

    Six out of 12 members of the school choir are boys. In simplest form, what fraction of the the choir is boys? a)1/6 b)6/12 c)1/2 d)12/6 . My answer is c.

    asked by ezekiel

  11. science

    Which of the following vertebrates had the chance to become abundant after the dinosaurs became excintct ?

    asked by victoria

  12. statistics

    Solve the problem. Round to the nearest tenth unless indicated otherwise. The amount of rainfall in January in a certain city is normally distributed with a mean of 4.3 inches and a standard deviation of 0.3 inches. Find the value of the quartile .

    asked by bob

  13. Math

    I am a multiple of 10. My factors include an even # & an odd #. I am greater than 3 x 5 and less than 4 x 7. What number and I?

    asked by Louise

  14. Pre-Algebra HELP!!!

    y-5/3 = 1 A)-2 B)8 C)18 D)6

    asked by Jasmine

  15. physics

    A 1900 kg car moves along a horizontal road at speed v0 = 26.4 m/s. The road is wet, so the static friction coefficient between the tires and the road is only μs = 0.17 and the kinetic friction coefficient is even lower, μk = 0.119. The acceleration of

    asked by RACHEL

  16. teas v test

    please let me know of sites that will help with the teas test.

    asked by /////keysha////

  18. physics

    A man of mass 60kg standing inside a lift with an acceleration of 2m/s(square).Find the apparent weight that a man feels(g is 10).

    asked by joelinho

  19. ela 9

    what could be a good hook for the most dangerous game?

    asked by reina bonilla

  20. Consumer math

    1. The gross income of David Vaughn is $785 per week. His deductions are $42.25, FICA tax; $90.33, income tax; 2% state tax; 1% city tax; and 3% retirement fund. What is her net income for one week? A. $605.32 B. $749.77 C. $675.32 D. $628.77 A?

    asked by Beatrice

  21. algebra

    A cleaning company charges $125 to visit a home and $40 to clean each room. If the total bill was $365, how many rooms were cleaned?

    asked by Regan

  22. physics

    A 61.3 kg astronaut is on a space walk when the tether line to the shuttle breaks. The astronaut is able to throw a 11.0 kg oxygen tank in a direction away from the shuttle with a speed of 10.6 m/s, propelling the astronaut back to the shuttle. Assuming

    asked by joe

  23. Math

    If a fact family has only 2 multiplication and division sentences, What do you know about the product and dividend? How many fact families with a dividend under 100 contain only odd numbers ? You can use a multiplication table to help you. The fact

    asked by Joi

  24. 8gradeHistory

    Although any assault on innocent life is tragic, only 5 people were killed in what colonial newspapers termed “the Boston Massacre.” Massacres are generally associated with large numbers of casualties. This is an example of _______________________.

    asked by bigurl1.4

  25. Programming Logic and Design: Comprehensive, 6th E

    Create the logic for a program that continuously prompts the user for a number of dollars until the user enters 0. Pass each entered amount to a conversion method that displays a breakdown of the passed amount into the fewest bills; in other words, the

    asked by Anonymous

  26. chemistry

    CO2(g) + H2(g) equilibrium reaction arrow CO(g) + H2O(g) Calculate the equilibrium concentration of each compound if 2.00 moles of CO2 and 2.40 moles of H2 are placed in a 3.90 liter container at 300°C. Kc = 2.30 for the reaction at this temperature.

    asked by Isaiah

  27. physical

    the ability to exert muscle force quickly is known as 1) agility 2) power 3) recation time 4) speed I need help! Plz anyone!

    asked by someone

  29. Science

    Explain how gravitational, electrical and magnetic force act on a maglev train??? Please help I need to know please!!!! before tomorrow please

    asked by Sebastien

  30. Math

    Find he number of distinct triangles with integer sides and perimeter 10 that can be constructed.

    asked by Lwint

  31. Chemistry

    The mass of a sample of boron atoms is 5.60 g. How many boron atoms are in this sample? Show work, and explain.

    asked by Mitch

  32. Algebra

    Use the Quadratic formula to solve the equation -4x^2-3x+2=0

    asked by Helen

  33. Math PLZ HELP!!!!

    A tank that holds 4000 gallons of water will drain completely into a reservoir in 32 minutes. The volume of remaining water in tank after time t is given by the function: V(t)=4000(1-t/32)^2, 0

    asked by Jessy

  34. need help so bad!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    I'm writing a response to literature for the story Nadia the Willful and I was wondering how this sounded. And I need a quote from the story for paragraph 3 what would be a good quote. Coping with death isn’t easy in fact death of a loved one is one of

    asked by josiah

  35. math

    Rewrite y=7x-2 using function notation.

    asked by Lam

  36. Algebra 1

    How do I model "A market sells chicken for $2.99 a pound" with a linear function and graph?

    asked by Shaniqua

  37. english

    My sister Aliah is both a comic and smart.

    asked by Anonymous

  38. PHYSICS

    A crate is pushed horizontally with a force. The acceleration of gravity is 9.8 m/s2 . Calculate the acceleration of the crate. Answer in units of m/s2 1570 N 198 kg μ = 0.44

    asked by RACHEL

  40. science

    At exactly 2:00 pm, Speedy the Snail crawls onto a meter stick at the 10 cm mark. If he reaches the 65 cm mark at exactly 2:10 pm, what is his speed? Answer: 65 cm - 10 cm = 55 cm ÷ 10 min = 5.5 cm/min

    asked by cici

  41. PHYSICS URGENT HELP

    a charges electric potential energy within an electric field is calculated as the product of the ____ of it's position times the magnitude of it's charge

    asked by al

  42. Math

    The fact families 2*3=6 and 2*10=20 both contain exactly three different digits . How many other fact families with dividends under 100 contain exactly three different digits? Name one multiplication fact in each of these families?

    asked by Nawaf

  43. 8gradeHistory

    The Confederation Congress sold the nation’s western lands to raise national revenue a. as a result of economic concerns voiced during Shays’s Rebellion. b. to promote interstate commerce. c. because its ability to obtain money from the states was

    asked by bigurl1.4

  44. Math

    If a fact family has only 2 multiplication and divison sentences , what do you know about the product and diviend? How many fact families with a diviend under 100 contain only odd numbers? You can use a multiplication table to help you.

    asked by Joi

  45. programming

    Pseudocode - Create the logic for a program that continuously prompts a user for a numeric value until the user enters 0. The application passes the value in turn to a method that squares the number and to a method that cubes the number. The program

    asked by Anonymous

  46. math

    In the TV show "Breaking Bad" the characters attempt to use HF acid to dissolve guns (among other things). Here we consider instead dissolving guns (which we will assume are pure iron) with sulfuric acid. Complete the balanced reaction for reacting iron in

    asked by Danny Simone

  47. computer programming

    Paying Off Credit Card Debt Each month, a credit card statement will come with the option for you to pay a minimum amount of your charge, usually 2% of the balance due. However, the credit card company earns money by charging interest on the balance that

    asked by abiola olumide

  48. computer programming

    Paying Off Credit Card Debt Each month, a credit card statement will come with the option for you to pay a minimum amount of your charge, usually 2% of the balance due. However, the credit card company earns money by charging interest on the balance that

    asked by abiola olumide

  49. Batteries - Engineering

    Here we consider instead dissolving guns (which we will assume are pure iron) with sulfuric acid. Fe+H2SO4->FeSO4+H2 It is apparent that they must use an outside source of electrical power to drive the dissolution of the iron. They use a small current so

    asked by Chris

  51. 8gradeHistory

    Which of the following was NOT one of the terms of the Treaty of Paris? a. Florida was returned to Spain. b.Canada was returned to France. c.The Atlantic Ocean formed the eastern border of the United States. d. Britain recognized the United States as an

    asked by bigurl1.4

  52. physics

    A car accelerates from 0m/s to 51m/s with a displacement of 75 m. What is the car's acceleration

    asked by Hi

  53. English LAC 1

    Type the word that the underlined phrase modifies or renames. They swept the dead leaves OUT OF THE HALLWAY and shut the door against the wind.

    asked by Ilyssa

  54. chemistry

    In the process of electrolysis, electrical power is used to separate water into oxygen and hydrogen molecules via the reaction: H2O --> H2 + ½O2 This is very much like running a hydrogen fuel cell in reverse. We assume that only the activation potential

    asked by Danny Simone

  55. calculus

    A competing technology uses a photovoltaic cell to charge a battery which can then be used to power a LED light. To compare these technologies, we make some reasonable assumptions. We assume the solar cell is 10 cm on a side, and that it has an efficiency

    asked by Danny Simone

  56. chemistry

    In the TV show "Breaking Bad" the characters attempt to use HF acid to dissolve guns (among other things). Here we consider instead dissolving guns (which we will assume are pure iron) with sulfuric acid. Complete the balanced reaction for reacting iron in

    asked by Danny Simone

  57. calculus

    In the process of electrolysis, electrical power is used to separate water into oxygen and hydrogen molecules via the reaction: H2O --> H2 + ½O2 This is very much like running a hydrogen fuel cell in reverse. We assume that only the activation potential

    asked by Danny Simone

  58. calculus

    I got half of this problem wrong and I DO NOT know where and how to fix. I cannot use my calculator and have to show my work. Question: You have a 500 metre roll of fencing and a large field. You want to construct a rectangular playground area. a.) using

    asked by jj

  59. calculus

    if f(x)= the integral of lntdt from sqrt(x) to 2, what is f'(x)? Do you solve the integral first then derive it? And if so, wouldn't that just give you the function? Please help

    asked by Anonymous

  60. Physics and magnets

    A rectangular loop of wire of mass m and resistance R slides on a friction-free horizontal table. There is a region of uniform magnetic field perpendicular to the table. What type of graph best describes the speed v of the loop as a function of time?

    asked by james

  62. math

    Which logarithmic equation is equivalent to the exponential equation below? 9^x=27 A) 27 log9 x B) x log9 27 C) 9 log27 x D) x log27 9

    asked by Fran

  63. Math

    Solve the following system of equations. 8x + 5y = -91 3x + y = -21

    asked by Steve

  64. algebra

    For every dime spent, Sam receives 15 food pebbles to feed the animals at the zoo. Sam fed the animals a total of 135 food pebbles. Write and solve an equation to find the number of dimes Sam spent at the zoo.

    asked by Regan

  65. magnetism

    A charged particle with charge q is moving with speed v perpendicular to a uniform magnetic field. A second identical charged particle is moving with speed 2v perpendiculuar to the same magnetic field. The time to complete one full circular revolution for

    asked by colin

  66. magnetis

    A metal spring can be used as a solenoid. The spring is stretched slightly, and a current is passed through it. The resulting magnetic field will cause the spring to a. collapse (shorten) b. stretch (lengthen) c. not change (nothing happens) d. ranslate

    asked by colin

  67. Art

    What type of paint out of the following three: 1.) Acrylic Paint 2.) Oil Paint or 3.) Watercolor; would you recommend gives the best glossy/shiny finish?

    asked by Sarah

  68. prelag8

    The All-In-One cable TV network takes a random sample of viewers that watch the network to get their opinion on a new TV show. They then advertise the following: “Ninety percent of all viewers rate our new show as the best they have ever watched.” Why

    asked by bigurl1.4

  69. Technology

    What graph would you use in a favorite food survey situation? A. Bar graph B. Line graph C. Pie chart D. Other chart

    asked by Anthony

  70. math

    Judy has 3/4 yards of yarn. For each scarf she makes, she needs 1/2 yards of yarn. Does she have enough fabric to make 2 scarfs? I say no because 3/4 divided by 1/2 = 1 1/2 am I right

    asked by Libby

  71. language art

    Which of the following is an example of a commotion? -a group of shoppers in an uproar about a popular item that was advertised but not available -a group of napping toddlers at a daycare -a group of students quietly reading in the library 2.Read the

    asked by Anoymous

  73. Solar Energy - Engineering

    In the process of electrolysis, electrical power is used to separate water into oxygen and hydrogen molecules via the reaction: H2O --> H2 + ½O2 This is very much like running a hydrogen fuel cell in reverse. We assume that only the activation potential

    asked by Chris

  74. Physics

    A man stands on the roof of a building that is 50 m tall and throws a rock with a velocity of 35 m/s at an angle of 50 degrees above the horizontal (a) What is the total time in the air (b) What is the horizontal distance from the base of the building to

    asked by Vlad

  75. English

    Valmy gets a paper from the safe - a paper with a drawing on it. ------------------- What is the meaning of 'paper' in the sentence? Do we have to use 'a' before 'paper' or not?

    asked by rfvv

  76. physics and magnets

    A circular wire loop of mass M and radius R carries a current I . It hangs from a hinge that allows it to swing in the direction perpendicular to the plane of the loop. A uniform magnetic field B exists everywhere in space pointing upwards. What angle

    asked by Anton

  77. physics

    A thick metal slab carries a current I A uniform magnetic field B points perpendicular to the slab (and into the page). If point P on the slab is at a higher potential than point Q , what can we say about the charge carriers that produce the current in the

    asked by james

  78. math

    In a question paper, there are 150 questions, each question carrying 2 marks. The total marks are 300. For every wrong answer 0.50 marks will be deducted from the scored marks. If a person has to score 270 marks in a paper, how many questions should be

    asked by Abhijit

  79. engineering

    The flow system as shown in the Figure, the centrifugal pump(3500 R.P.M.) is delivering water at 100 gal/min and 70 °F into a boiler operating at a pressure of 35 psig. The water levels in the feed tank and boiler are constant. Because corrosion is

    asked by sun.life

  80. math

    bob has a container with a capacity of 12 quart. He want to express this capacity in gallon. write a proportion to find the number of gallons of water bob container can hold

    asked by Anonymous

  81. reimbursement methodologies

    which of the following was the governments way of controlling skyrocketing health care costs?

    asked by ann

  82. English

    What does this question mean? What was your reading process or method for reading fiction before this unit?

    asked by Emma

  84. language arts

    1.When actors speak in unison, they are -speaking one after another -talking in rhyme -all saying the same thing at once -quieter than normal 2.Poems often do not use standard English, standard punctuation,or standard language to describes ideas and

    asked by Unique

  85. US History

    Source: "Brutus" Letter XVI April 10, 1788, "John DeWitt" Letter III Nov. 5, 1787, Anti-federalists Papers They uniformly exercise all the powers granted to them, and ninety-nine in a hundred are for grasping at more. It is this passionate thirst for

    asked by Anne

  86. language arts

    This the passage for #2 &3: I checked into a hotel called the Olympia, which is right on the main street and the only hotel in the town. After lunch I was hanging around the lobby, and I got to taking to the guy at the desk. I asked him if this wasn't the

    asked by Anna

  87. language arts

    john yinger thinks thinks the natual-born clause should be removed because ?

    asked by james mckinney

  88. Government

    What issues do liberals and conservatives support and what constituency do they serve?

    asked by Jessica

  89. LANGUAGE ARTS

    1. An example of a hardship would be -winning a surfing contest. -taking part in a television interview -going without food,water, and sleep 2.Imagine that Emily Costello has written a follow-up article about Bethany. It is called "Still Feeling Complete."

    asked by Anoymous

  90. math help

    If #(w,x,y,z)means you square the product of all the terms, for all positive value of w,x,y, and z and #(1,2,3,z)=144, then z = ?

    asked by peter

  91. english

    what is meant by the terms "grow organically" in this sentence? The fashion company has been willing to build and grow organically.

    asked by celina

  92. algebra

    solve the quadratic equation by completing the square -3x^2+9=1

    asked by helen

  93. probability & statistics

    Find the slope and the y-intercept for the line that passes through (-9,5) (11,12)

    asked by Deb

  95. Magnetism

    A circular wire loop of mass M and radius R carries a current I. It hangs from a hinge that allows it to swing in the direction perpendicular to the plane of the loop. A uniform magnetic field B exists everywhere in space pointing upwards. What angle θ

    asked by Colin

  96. English

    Can you please check these sentences? Thank you very much in advance and Merry Christmas! 1) The Key-Note begins with an extended description of Coketown, the fictional setting for the novel, which is based on Preston, now part of greater Manchester, where

    asked by Frank

  97. chemistry

    A competing technology uses a photovoltaic cell to charge a battery which can then be used to power a LED light. To compare these technologies, we make some reasonable assumptions. We assume the solar cell is 10 cm on a side, and that it has an efficiency

    asked by Danny Simone

  98. Pre-Calc

    Using the difference for formula, find the tan 255. Step by step would be appreciated

    asked by Dan

  99. Math

    X^ -3 = 216 How do you find x?

    asked by Paula

  100. Geometry

    What's the difference between a postulate and a theorem?

    asked by Anonymous

  101. Math

    Solve the following system of equations. 8x + 5y = -91 3x + y = -21

    asked by Steve

  102. computer programming

    Assume that there are n tyres that could be used by car, tricycle and bicycle. Write a program to accept n tyres and generate all the combinations (i.e. the number) of car(s), tricycle(s) and bicycle(s) that could exhaust the n tyres. Ensure that all the

    asked by abiola olumide

  103. math

    1. 2(x - 3) = 2x a) one solution b) no solutions c) infinitely many solutions 2. 3(y - 3) = 2y - 9 + y a) one solution b) no solutions c) infinitely many solutions 3. 10x - 2 - 6x = 3x - 2 + x a) one solution b) no solutions c) infinitely many solutions 4.

    asked by victoria

  104. mercer

    does (3/8)/3=8x3=24

    asked by tonya

  106. medical transcription

    The patient's seizure activity is most likely alcohol related. Is this grammatically correct please?

    asked by Anonymous

  107. Science

    No gross pus or purulent discharge was or were noted at the old incision site. Should this be was or were? I think it should be was.

    asked by Anonymous

  108. Social studies (7th gr.)

    According to christopher columbus, who owned the land that he explored in the americas?

    asked by Lauren

  109. language art

    Which of the following is an example of a commotion? -a group of shoppers in an uproar about a popular item that was advertised but not available -a group of napping toddlers at a daycare -a group of students quietly reading in the library 2.Read the

    asked by Anoymous

  110. Math-Algebra

    1. What is the base of a triangle if its area is represented by 3z^2+ √5z mm^2 and its height is z − √3 mm? 2. What will happen to the area of a rectangle if you do the follo+wing? a. multiply the length by 2 and use the same width b. multiply the

    asked by McKenna Louise

  111. Math-Algebra

    (Engineering) The current / varies as the electromotive force E and inversely as the resistance R. If in a system, a current of 20A flows through a resistance of 20 ohms with an electromotive force of 100V, find the currect that 150V will send throu+gh the

    asked by McKenna Louise

  112. Physics

    When a given object moves a circular path, the centripetal force varies directly as the square of the velocity and inversely as the radius of the curve. If the force is 640lb for a velocity of 20mi/h and a radius of 5m, find the force for the velocity of

    asked by Bernice Nicole

  113. calculus

    f(x)=sqrt(x-2) what is the inverse of f? I got inverse f(x)= x^2+2 however, you need to specify the domain of x. the answer key says when x=>0 can you please explain why? I thought it would be when x=>2 ?

    asked by Anonymous

  114. Physics

    A man stands on the roof of a building that is 50 m tall and throws a rock with a velocity of 35 m/s at an angle of 50 degrees above the horizontal (a) What is the total time in the air (b) What is the horizontal distance from the base of the building to

    asked by Vlad

  115. math

    how would you do the following 12 divided by 2 7/8, 1 1/6 x 3 3/8 ,

    asked by sam

  117. Physics

    When a given object moves a circular path, the centripetal force varies directly as the square of the velocity and inversely as the radius of the curve. If the force is 640lb for a velocity of 20mi/h and a radius of 5m, find the force for the velocity of

    asked by Bernice Nicole

  118. math

    A company wants to accumulate tsh 100000 to purchase replacement machinery 8years from know.to accomplish this equal semi-annually payments are made to a fund that earns 7%compounded semi-annually.find the amount of each payment

    asked by frolian

  119. English

    1. He worked in Mr. Batular's circus. 2. He worked in circus. 3. He worked in the circus. 4. He worked in a circus. (Which expressions are grammatical?)

    asked by rfvv

  120. English

    1. Valmy is in bed, asleep. 2. Valmy is asleep in bed. 3. Valmy is in bed, and he was asleep. 4. Valmy is in bed, being asleep. ------------ Does #1 mean #2 or #3 or #4?

    asked by rfvv

  121. Math-Algebra

    When a given object moves a circular path, the centripetal force varies directly as the square of the velocity and inversely as the radius of the curve. If the force is 640lb for a velocity of 20mi/h and a radius of 5m, find the force for the velocity of

    asked by Bernice Nicole

  122. language art

    1.Chris was being OBNOXIOUS when he -told Mrs.Kelly it was a great day for a race. -insulted Gina's new haircut. -kept the little kids' ball from going into the street. -returned Mr.Cho's keys. 2.If something is STATELY, it is -impressive -informal -common

    asked by Chrissy

  123. language

    Identify the capitalized words in each sentence. HOLDING THE FLASHLIGHT IN HIS HAND,Marcus looked under and around the bushes to see if he spotted the missing wallet. a) prepositional phrase b) gerund phrase c) participial phrase d) appositive phrase

    asked by victoria

  124. magnetism

    A straight copper wire that is 1 millimeter in diameter carries a current of 20 milliamps. What the magnitude of the largest magnetic field created by this wire in Tesla?

    asked by Hans

  125. magnets

    A square loop of wire of side L with total resistance R moves at constant speed v into a region of uniform magnetic field B pointing perpendicular to the plane of the loop. What is the average current that is induced in the square loop between the time it

    asked by Hans

  126. Science

    Goldie goldfish a speed swimmer loves to race around the parks poud which is .5 miles around. If she can swim 20 laps around the track in 2 hours, what is her average speed?

    asked by Nikki

  128. social studies

    explain why the framers of the constitution didn't want any of the branches to be more powerful than the other branches?

    asked by nicole

  129. English

    We are writing this Character Analysis and I am stuck on how the author's personality affects him towards others. His Personality is selfishness/Shy/worthless.

    asked by Catheline-Anne Marie

  130. language arts

    1.Which sentence provides an example of swaggered? -Marco was so ashamed at the grade he received, he only stared at the floor as he walked back to his desk. -The audience could tell Kelsie was confident, based on the way she strutted down the aisle to

    asked by innocent

  131. Algebra 1B

    3x^²-12x+4 for x=-2 What are the exact steps when getting an answer?

    asked by Kim

  132. Pre-Calculus

    y= ((2-3x^(1/x))/(2+3x^(1/x)) Is the horizontal asymptote y= 1 or y= -1?

    asked by Ann

  133. Algebra 2

    How do you solve this exponential equation using logarithms? 2*5^x=85 Do you start like this? xlog2*5=log85 I don't know what to do after that.

    asked by Jane

  134. Algebra 2

    How do you solve this equation? -3e^2t=-480

    asked by Jane

  135. Math

    The distance traveled (in meters) by the Oregon slug can be modeled by the function f(t) = 0.9t, where t is the time in minutes. Find the distance traveled in 27.5 minutes.

    asked by Megan

  136. 3-D Coordinates Polar coordinates Precalculus Trig

    The U.S.S. Lollipop is on assignment in the Atlantic Ocean. It travels from a longitude of 70 degrees west to 20 degrees west, along the latitude of 40 degrees north. How far does it travel? (Assume that the radius of the Earth is 6,400 km.) Erm I don't

    asked by Cambridge

  137. magnetism!!

    A straight copper wire that is 1 milimeter in diameter carries a current of 20 miliamps. Whas the magnitude of the largest magnetic field created by this wire in Tesla? pls help :(

    asked by akameno

  139. math

    Is 7.27332*10^-11 meters/second the same as 0.07 nm per second. I believe it is after rounding off. Thanks for your help.

    asked by Hil

  140. physics

    A straight copper wire that is 1 milimeter in diameter carries a current of 20 miliamps. Whas the magnitude of the largest magnetic field created by this wire in Tesla?

    asked by akameno

  141. Ratio--math

    what is 14/J= 42/12

    asked by Kim

  142. magnets

    A particle of charge +q and mass m is initially launched at speed v in a region with a constant, uniform magnetic field of magnitude B. If the particle launched in a direction perpendicular to the magnetic field, by the time the particle has traveled a

    asked by Anon

  143. math

    A field has a width of x m. Its length is 5 m more than its width. Write an algebraic expression, in simplified form, for the area of the field.

    asked by Anonymous

  144. magnets

    A straight copper wire that is 1 milimeter in diameter carries a current of 20 miliamps. Whats the magnitude of the largest magnetic field created by this wire in Tesla?

    asked by anton

  145. physics

    A rock is moving through interstellar space towards a snow ball. Describe the motion of the rock until it hits the snow ball (in terms of Newton’s First Law). According to Newton’s 3rd Law, what will be the reaction to the force of the rock on the snow

    asked by Anonymous

  146. engineering

    The flow system as shown in the Figure, the centrifugal pump(3500 R.P.M.) is delivering water at 100 gal/min and 70 °F into a boiler operating at a pressure of 35 psig. The water levels in the feed tank and boiler are constant. Because corrosion is

    asked by sun.life

  147. 8gradeHistory

    Under the Articles of Confederation, the central government could not a.borrow money. b.force states to provide money and soldiers. c.make treaties. d. resolve conflicts between states.

    asked by bigurl1.4

  148. math

    Which of the following fractions is in simplest form? a)5/6 b)6/8 c)8/10 d)2/12. My answer is a.

    asked by ezekiel

  150. 8gradeHistory. ASAP Please.

    The words and ideas of John Locke a.influenced the writers of the English Bill of Rights, the Articles of Confederation, and the Mayflower Compact. b. are preserved in the Mayflower Compact. c. constitute the first 10 amendments to the Constitution. d.

    asked by bigurl1.4

  151. Algebra

    what is the equation, in standard form, of a parabola that contains the following points? (-2-20). (0-4), (4-20)

    asked by Helen

  152. math

    How does the phrase "send the base to the basement". refer to the change of base formula?

    asked by Tammy

  153. math

    If # (w,x,y,z) means you multiply the sum of w and x by the sum of y and z, and # (2,3,4,z)=40,then z = a. 5/3 b. 2 c. 4 d. 5 e. 8

    asked by peter

  154. physics

    A car accelerates from 0m/s to 51m/s with a displacement of 75 m. What is the car's acceleration

    asked by Hi

  155. social studies

    What point would probably be included in an argument against the transfer of the Louisiana colony to Spain? a) that the colony was not profitable for France b) that the colonists were loyal Frenchman c) that the colonists traded with British and Native

    asked by victoria

  156. social studies

    which country brought in immigrants and formed an alliance through marriage to win over Louisiana colonists ? a) US b) Spain c) France d) mexico

    asked by victoria

  157. social studies

    Which group was probably least concerned about United States' acquisition of Louisiana? a) the Acadians b) the Creoles c) the free people of color d) the Kaintucks

    asked by victoria

  158. social studies

    What issue of the colonies disappeared when Louisiana became a state? a) relations with the Native Americans b) smuggling of trade goods c) the presence of the British d) none of the above

    asked by victoria
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