Questions Asked on
February 11, 2014

  1. ipc

    If the specific heat of water is 1.0 calorie/gram C how many calories are required to raise 500 grams of water 10.0C

    asked by Anonymous
  2. Calculus (Math)

    Integral of (cot4x)^5 (csc4x)^7

    asked by Mari
  3. Physics

    An object moving along a horizontal track collides with and compresses a light spring (which obeys Hooke's Law) located at the end of the track. The spring constant is 38.6 N/m, the mass of the object 0.270 kg and the speed of the object is 1.20 m/s

    asked by Ryan
  4. Math

    How do I find a fraction equivalent to 3/4 with a numerator that is 6 less than my denominator.

    asked by Maddie
  5. math

    My numerator is divisible by 3. My denominator is divisible by 5. My denominator is 4 less than twice my numerator. plz help very confused!

    asked by Maddie
  6. math

    My numerator is a prime number. The GCF of my numerator and denominator is 2. I am equivalent to 1/5.

    asked by Maddie
  7. Science

    Associate each item in the table with at least one field of science and one area of technology/engineering. Choose from the terms given at the bottom. Automobile aspirin shirt computer pesticide satellite robot atomic bomb vaccination can of soup polyester

    asked by Roma
  8. math 3

    a recipe calls for 32 fluid ounces of heavy cream. How many pint containers of heavy cream are needed to make the recipe? please answer thanks

    asked by Jenny plus
  9. English

    In the word disinterestedly, the root morpheme is

    asked by Tina
  10. economic

    6. The table below is a set of hypothetical production possibilities for a nation. Combination Automobiles(thousands) Beef (thousands of tons) A 0 10 B 2 9 C 4 7 D 6 4 E 8 0 a) Plot the production possibility data. What is the opportunity cost of the first

    asked by trongboy16
  11. english

    I MUST A DESCRIPTIVE ESSAY OF 350 WORDS AND MY TOPIC IS A YOUR DREAM HOUSE IN RUBRIC FORMAT, I DO NOT KNOW WHERE TO START AND HOW TO GO ABOUT WRITING THIS ESSAY, PLEASE HELP, PLEASE HELP.

    asked by PETER
  12. baker

    When does body image typically become a concern for boys? A. When playing with friends in the neighborhood B. When they struggle with body changes C. When they fail a test at school D. All of the above

    asked by xd
  13. binomial distribution

    For a binomial distribution with parameters n = 5 , p = 0.3 . Find the probabilities of getting : (i) Atleast 3 successes. (ii) Atmost 3 successes. n = 5 , p = 0.3

    asked by prawin
  14. math

    My numerator is 6 less than my denominator. I am equivalent to 3/4

    asked by Maddie
  15. econ

    True or false; 1.Lenders gain when inflation is higher than expected. 2. Lenders lose when inflation is higher than expected 3. real interest rates will never go negative 4. loan contracts specify the nominal interest rate. 5. if inflation is higher than

    asked by hannah
  16. econ

    When Joe started his job at the laundromat 5 years ago, his wage was $4.50 an hour. Today his wage is $6.50 an hour. If Joe started his job in the base year, and his real wage is the same as when he started, what is the Consumer Price Index today?

    asked by hannah
  17. physics

    How is pressure applied in the following areas 1. Measurement of blood pressure using spygmomanometer. 2.Giving injections 3.Administering intravenous transfusion 4.Giving oxygen in the ward and operation theater 5.Administering blood transfusion 6.Sucking

    asked by Williams
  18. Math (Variation)

    The cost of a pizza varies directly as the square of its radius. If a pizza with a 6-inch radius costs ₱148.00, how much should a pizza with an 11-inch radius cost?

    asked by Shin
  19. Algebra (Age Problem)

    Five years ago Rico's age was half of the age he will be in eight years. How old is he now?

    asked by Nikko
  20. math

    SOMEONE Please HELP /\ ME 3. find the area for the following figure ( 1point ) A. 12 1/2 ft 2 B. 7 7/8 ft 2 C. 8 1/4 ft 2 D . 15 3/4 ft 2

    asked by crazygood
  21. Econ

    1. When Joe started his job at the laundromat 5 years ago, his wage was $5.50 an hour. Today his wage is $8.50 an hour. If Joe started his job in the base year, and his real wage is the same as when he started, what is the Consumer Price Index today? 2.

    asked by Rebekah
  22. algebra 1

    when three times the distance to he finish line is increased by 5km, the total kilometers covered in the race will be between 50 and 89 km

    asked by andrew
  23. Physics

    A 172 N sign is supported in a motionless position by two ropes that each make an angle of 36° with the horizontal. What force does each rope exert?

    asked by Khadij
  24. Physics

    Two forces are exerted on an object. A 33 N force acts at 215° and a 45 N force acts at 315°. What are the magnitude and direction of the equilibrant?

    asked by Khadija
  25. physics

    Five forces act on an object. (1) 57 N at 90° (2) 40 N at 0° (3) 77 N at 270° (4) 40 N at 180° (5) 50 N at 60° What are the magnitude and direction of a sixth force that would produce equilibrium?

    asked by Khadija
  26. Physics

    An object in equilibrium has three forces exerted on it. A 36 N force acts at 90° from the x axis and a 40 N force acts at 60°. What are the magnitude and direction of the third force?

    asked by Khadija
  27. Physics

    A 180 N box is placed on an inclined plane that makes a 30.0° angle with the horizontal. Find the component of the weight force parallel to the plane's surface.

    asked by Khadija
  28. physics

    A 2.6 kg block slides down a 25° inclined plane with constant acceleration. The block starts from rest at the top. At the bottom, its velocity is 0.75 m/s. The incline is 1.6 m long. (a) What is the acceleration of the block? (b) What is the coefficient

    asked by Khadija
  29. Physics

    An trunk weighing 518 N is resting on a plane inclined 25° above the horizontal. (a) Calculate the magnitude of the acceleration of the trunk (ignore friction). (b) After 6.00 s, how fast would the trunk be moving?

    asked by Khadija
  30. Physics

    A street lamp weighs 150 N. It is supported by two wires that form an angle of 140° with each other. The tensions in the wires are equal. (a) What is the tension in each wire? (b) If the angle between the wires is reduced to 110°, what is the tension in

    asked by Khadija
  31. physics

    Two ropes pull on a ring. One exerts a 63 N force at 30.0°, the other a 63 N force at 60.0° (a) What is the net force on the ring? Magnitude ____ N Direction ____ ° (b) What are the magnitude and direction of the force that would cause the ring to be in

    asked by Khadija
  32. math-fractions

    Each band member had 12 tickets to sell, Jamie sold 9 of his tickets Matt sold 6 of his tickets. Using fractions find the total number of tickets sold by Jamie & Matt

    asked by sam
  33. Physics

    In the circuit shown, find the voltage Vx (in Volts) if V = 17.0 Volts, R1 = 13.0 k ohms, R2 = 4.0 k ohms, R3 = 13.0 k ohms and R4 = 21.0 k ohms. Answer is -6.5 I don't understand how they got it, can someone please explain it with steps? Thanks tinypic. c

    asked by christina
  34. math

    Sally needs 6 gallons of water, but she only has a 2 quart pitcher. How many times does she need to fill it up to make 6 gallons?

    asked by arthur
  35. Science-2questions

    Which of the following describes how matter moves between producers, consumers, and decomposers in an ecosystem? one-way flow from producers to consumers to decomposers one-way flow from decomposers to consumers to producer cyclic flow froms producers to

    asked by Anonymous
  36. physics

    A shot put ball with mass 5kg is dropped from a height of 1,75m. Ignore air resistance. Calculate the time it takes for the ball to reach the ground

    asked by nay_dean
  37. statistics, math, college

    assume that adults have I.Q scores that are normally distributed with a mean of 100 and a standard deviation 15. find p2 which is the IQ score seperating bottom 2% from the top 98%

    asked by andrea
  38. Art-help.

    This type of artist may specialize in advertising. graffiti artist industrial designer interior designer graphic artist This type of graphic design often involves using a computer code. e-mail Web design*** consumer design interior design This principle of

    asked by Anonymous
  39. biology

    What is a cell

    asked by onah
  40. physics

    In the circuit shown, find the voltage Vx (in Volts) if V = 17.0 Volts, R1 = 13.0 k ohms, R2 = 4.0 k ohms, R3 = 13.0 k ohms and R4 = 21.0 k ohms. Answer is -6.5 I don't understand how they got it, can someone please explain it with steps? Thanks tinypic. c

    asked by christina
  41. math

    How do you solve sqrt(1-(9/x^2))? I know the answer is sqrt x^2 -9/x but I'm not sure how to get the answer on my own. If you could show steps on how to get the answer that would help me a lot!

    asked by Devin
  42. math

    Put into order from least to greatest 3/4, .85, 5/7, .62 My answer 3/4, 5/7, .62, .85

    asked by Nina
  43. math check

    23/17 < 5/3 Found LCD 69/51 85/51

    asked by Joe
  44. Math

    If I had a 4,0000 deposit at an apr of 5.6% with quarterly compounding, how much would I have after four years?

    asked by Brittany Jones
  45. algebra and trigonometry

    At a college function, a total of 180 tickets were sold. The tickets were priced at $5, $10, and $15, and the money collected that day was $1,900. The sum of the numbers of $5 and $15 tickets sold was twice the number of $10 tickets sold. Find the number

    asked by daniel
  46. BUSINESS

    1. You've told Dan, a new contact, that you're looking for a qualified sales representative. Now you want to find out if there's any way you can help his business. What's an effective way to approach the question? A. Give him your business card and tell

    asked by Beatrice
  47. US History

    which transportation development had the greatest long-term impact on the american economy?

    asked by Rosa
  48. math(HELP PLEASE)

    can someone please answer these 2 questions please..with the work and answer,ive been stuck on for a while and just wanna sleep but thanks. Find the unit price for each option shown below. Round to the nearest cent when necessary. Indicate which option is

    asked by Anonymous
  49. maths

    sketch the graph of each line y= -7x+3 and there is a graph drawn with y axis range from -6:6 x axis range frm -6:6

    asked by krissy
  50. courtesy

    How can i thanks someone for their help?

    asked by daniel
  51. math

    im having troble with area can you please help me

    asked by anthony awsome
  52. physics

    what is the mass of a vehicle traveling at 25 km/hr with a kinetic energy equal to 1 x 10 to the 4th power J?

    asked by June
  53. Education technologoy

    Charles sends Julia text messages every morning insulting her appearance and threatening to hurt her. He writes unflattering description of her on blog and on his own personal website a. identity theft b. cyberstalking c. online arguing d. cyberbullying

    asked by Hannah
  54. Science

    Which of the following describes how matter moves between producers, consumers, and decomposers in an ecosystem? one-way flow from producers to consumers to decomposers one-way flow from decomposers to consumers to producer cyclic flow froms producers to

    asked by Anonymous
  55. Physic

    a bullet is fired from at a shooting range. The bullet hits the ground after .32 seconds. How far did it travel horizontally and vertically in this time if it was fired at a velocity of 1100 m/s?

    asked by Marie
  56. math

    (W=7h+180) liz what is her wage for that week? in a different week liz has a wage of $239.50. How many extra hours does she work

    asked by fahima
  57. History Multiple Choice

    One of the Patriots’ greatest strengths was their A. reliance on local militia. B. well-trained soldiers. C. superior troop numbers. D. persistence in fighting. Is ir B?????????

    asked by ALEXA
  58. History Multiple Choice

    Why did slavery continue after the Revolution? A. Slave labor was important to the New England economy. B. The colonial government encouraged manumission. C. British, Loyalists, and Patriots all agreed that liberty did not extend to slaves. D. The Southern

    asked by ALEXA
  59. physics

    A soccer player kicks a ball straight up into the air at 6m.s per second.Ignore air friction. 1.What is the height of the ball at its highest point 2.What ie the ball's acceleration at its highest point 3.Calculate the maximum height reached by the ball

    asked by Samantha
  60. physics

    A soccer player kicks a ball straight up into the air at 6m.s per second.Ignore air friction. 1.What is the height of the ball at its highest point 2.What is the ball's acceleration at its highest point 3.Calculate the maximum height reached by the ball

    asked by Samantha
  61. Digital Footprint Safety ~CHECK MY ANSWERS~

    Which of the following contributes to your active digital footprint? a. adware that secretly tracks your buying behavior online b. personal information you intentionally enter into a secure website when making a purchase *********** c. personal data from

    asked by Dakota
  62. Chemisry

    What is the minimum amount of 5.2M H2SO4 necessary to produce 22.8g of H2 (g) according to the following reaction? 2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) (Please be precise and clear)

    asked by Tyler Jones
  63. math 3

    A bag contains 4 yellow, 2 red, and 6 green marbles. Two marbles are drawn. The first is replaced before the second is drawn. A random variable assigns the number of red marbles to each outcome. Calculate the expected value of the random variable

    asked by Jamar
  64. LA-check my answers

    A factory might emit pollution.*** smokestacks. resources. Which of the sentences below is punctuated correctly? I have visited three countries including: Spain, Portugal, and France. I have visited three countries: Spain, Portugal, and France.*** I have

    asked by Anonymous
  65. Health

    Some examples of diseases/illnesses caused by bacteria?

    asked by Anonymous
  66. math

    The perimeter of a rectangular field is 300 meters. This field is to be fenced along three sides only. The fencing along its two lengths and one width is to be done at $50 per meter. If the total cost of fencing is $12,000, what are the field’s

    asked by sean
  67. physical science

    Two force vector,a and b act on an object in the x direction and b acts on a y direction. Use words and diagram to explain how you can find the resultant force acting on the object by using the tail-to-head method

    asked by ncumisA
  68. STATS

    Suppose that the average weight of students in a statistics class is 75.5 kilograms with a standard deviation of 10.3 kilograms. Using the 68-95-99.7 rule, what is the lower bound for the weight of the top 2.5% of students?

    asked by Tracy
  69. Math

    (2x + 3)^2

    asked by Anonymous
  70. Calculus I

    Let A be the area of a circle with radius r that is increasing in size with respect to time. If the rate of change of the area is 8 cm/s, find the rate of change of the radius when the radius is 3 cm.

    asked by Gary
  71. math

    you have 3 packages of wrapping paper, 12 bows, and 3 ribbons. How many different packages can you wrap?

    asked by deb
  72. math

    you have 3 packages of wrapping paper, 12 bows, and 3 ribbons. How many different packages can you wrap?

    asked by deb
  73. ENGLISH HISTORY

    WHICHOFTHE FOLLOWING LABOR ACTIVISTS FOUND THE AMERICAN FEDERATION OF LABOR

    asked by ODETE
  74. Trigonometry

    Suppose you were at the beach and notice that at 1:00 pm the tide is in, that is, the depth of water is at its deepest. At that time you find that the depth of the water at the end of the pier is 1.9 meters. At 7:00 that evening when the tide is out, the

    asked by John
  75. BUSINESS

    1. Tailor your business to aim your product or service at a certain group of customers, who are called the A. primary target market. B. focus group. C. demographic grouping. D. research base. A?

    asked by Beatrice
  76. 4th grade math

    Grace wants to put a wallpaper border around the top of the room. Each roll of the wallpaper border is 120 inches long. how many roll will she need.

    asked by mythreyee
  77. 4th grade math

    Grace also bought 2 lengths of ribbon to trim a picture frame. one length was 18 inches. the sum of both lengths was 4 feet. what ws the length of the second piece of the ribbon

    asked by mythreyee
  78. Analytical Chemistry

    25.0 mL of a 0.1067 M Solution of nickel (II) sulfate is diluted to 250 mL with water. 10 mL of this solution is taken and diluted to 1.0 L. Calculate the concentration of [Ni2+] in the final solution in ppm.

    asked by Anonymous
  79. physical science

    what is the velocity of ironman if he travels up 2,000 meters in 8.6 seconds

    asked by faith
  80. MATH CHECK ANSWERS

    please check my answers ! 21. Find the unit price for each option shown below. Round to the nearest cent when necessary. Indicate which option is the better buy. Option I: 10 candy bars for $6.75 Option II: 12 candy bars for $7.25 ANSWER= 10/$6.75=$1.48

    asked by Matt
  81. physic

    Two teams of nine members each engage in a tug of war. The first team's members have average masses of 69 kg and exert average forces of 1350 N horizontally. The second team's members have average masses of 74 kg and exert average forces of 1356 N

    asked by tina
  82. Fine Art

    Compare Willem de Kooning's "Woman VI" and Edgar Degas' "The Glass of Absinthe". Use the critique method to compare the styles and style matter. Every bit of help will be appreciated! I'm really bad at this stuff and I've been struggling with it for a

    asked by Kylee
  83. special ed.

    Some years back i made each letter in the alphabet on index.....i folded the cards and then did cutting......I forget how to do it .....can you help ?

    asked by donna
  84. Physics

    A body of mass 2kg moving with velocity of 5m/s collides with a stationary body of mas 500g. if the two bodies move together after impact. calcalate the magnitude of their common velocity

    asked by Ritanoe
  85. Physics

    A body of mass 22kg moving with velocity of 5m/s collides with a stationary body of mas 500g. if the two bodies move together after impact. calculate the magnitude of their common velocity

    asked by Ritanoe
  86. Math

    Solve each system using the method of your choice. 1. 7x+2y=17 2. 6x-5y=-9 3. y=4x-8 4. y=2x+10 5. 3x-6y=30 6. y=-6x+34 7. 3x+y=5 8. 15x+5y=2 9. 2m=-4n-4 10. 3m+5n=-3 11. 5x+y=0 12. 5x+2y=30 Thank you. (:

    asked by Melanie
  87. Science only one question...help plzz!

    True or False: Plants continue to grow throughout their lives by producing new plant material. THANK YOU!

    asked by Hi!
  88. Physics 1

    Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades and the ice. The mass of the man is 85 kg, and the mass of the woman is 53 kg. The woman pushes on the man with a force of 58 N due east. Determine the

    asked by Anonymous
  89. MATH CHECK ANSWERS

    please check my answers ! 21. Find the unit price for each option shown below. Round to the nearest cent when necessary. Indicate which option is the better buy. Option I: 10 candy bars for $6.75 Option II: 12 candy bars for $7.25 ANSWER= 10/$6.75=$1.48

    asked by Matt
  90. Science~!

    Harvesting energy from water, wind, and geothermal vents requires the use of (1 point) aquaculture engines mines turbines***

    asked by Gabby
  91. Physics

    At an instant when a soccer ball is in contact with the foot of the player kicking it, the horizontal or x component of the ball's acceleration is 750 m/s2 and the vertical or y component of its acceleration is 850 m/s2. The ball's mass is 0.39 kg. What is

    asked by Anonymous
  92. chemistry

    In Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 25.0mi/gal , how many liters of gasoline would you need to buy to complete a 142-km trip in Europe? Use the following conversions: 1km=0.6214mi and 1gal=3.78L.

    asked by Marzia
  93. physic

    A boat has a mass of 4010 kg. Its engines generate a drive force of 3580 N due west, while the wind exerts a force of 660 N due east and the water exerts a resistive force of 1470 N due east. Take west to be the positive direction. What is the boat's

    asked by Anonymous
  94. physics 1

    Two forces and are applied to an object whose mass is 13.2 kg. The larger force is . When both forces point due east, the object's acceleration has a magnitude of 0.627 m/s2. However, when points due east and points due west, the acceleration is 0.344

    asked by Anonymous
  95. English/Communication

    What is the relationship between idioms and intimacy?

    asked by Amame
  96. Physics

    M, a solid cylinder (M=2.35 kg, R=0.111 m) pivots on a thin, fixed, frictionless bearing. A string wrapped around the cylinder pulls downward with a force F which equals the weight of a 0.750 kg mass, i.e., F = 7.357 N. 1)Calculate the angular acceleration

    asked by Tomas
  97. Statistics

    The mean of a distribution of 1000 individuals' blood pressure is 85. If this number were translated into a Z score it would be equal to +1 standard deviations. True or False? I know to calculate a Z score the formula is Z= (X-sub-i minus the mean)/

    asked by Jeff
  98. Physics

    A box is on Callisto (2nd largest moon of Jupiter). The box weighs 36 lb and is in free fall. How much force is the box exerting on Callisto and in what direction?

    asked by Anonymous
  99. physics

    A box is on Callisto (2nd largest moon of Jupiter). The box weighs 36 lb and is in free fall. How much force is the box exerting on Callisto and in what direction?

    asked by Anonymous
  100. Math

    David drew a scale drawing of a table.The real table is 12 feet long.I measured out in inches that the height was 1/2 and the length was 2.But my question is What scale did he use?

    asked by lulu
  101. Science! just one question! help ASAP plzzz

    True or False: Plants continue to grow throughout their lives by producing new plant material. This sentence is __________ because…

    asked by Billa_Bong
  102. Physics

    A thin uniform rod has mass M = 0.5 kg and length L= 0.49 m. It has a pivot at one end and is at rest on a compressed spring as shown in (A). The rod is released from an angle θ1= 55.0o, and moves through its horizontal position at (B) and up to (C) where

    asked by Tomas
  103. Science

    Fungi 7. Why are fungi classified as heterotrophs like animals? 9. Explain how an absorptive hetertroph feeds?

    asked by Anonymous
  104. physics

    a block with a mass of 3.7 kg slides with a speed of 2.2 m/s on a frictionless surface. the block runs into a stationary spring and compresses it a certain distance before coming to rest. what is the compression distances, given that the spring has a

    asked by Ty
  105. history

    How did imperialism impact New Zealand and Australia?

    asked by Anonymous
  106. Accounting

    on January 1,20x1,A had 200,000 shares of $5 par value common stock outstanding. On January 15 declared a cash dividend of $0.5 a share

    asked by Hedy
  107. Math

    Sierra spent 2/3 of her earnings on clothes and 1/5 on school supplies. She saved the rest. What fraction of her earnings did she save?

    asked by Joshua
  108. Business

    1. Legal requirements, suppliers and distributors, competitors, and market profiles are contained in the ( ) element of your business plan. A. introduction B. business information C. industry D. operating plant D? 2. Rachel plans to set up a beautifully

    asked by Beatrice
  109. physics

    A seagull flies at a velocity of 10.00 m/s straight into the wind. (a) If it takes the bird 18.0 min to travel 6.00 km relative to the earth, what is the velocity of the wind?

    asked by Steve
  110. Math

    Write a repeated addition question for each multiplication , and then solve. a) 2 x (-9) b) (4)(8) c) (3)(-6) d) (7)(0)

    asked by Anny
  111. 4th grade math

    A serving of juice is 250mL. how many servings are in a dozen liters of juice.

    asked by ranganathan
  112. Physics

    A long thin rod lies along the x-axis from the origin to x=L, with L= 0.890 m. The mass per unit length, λ (in kg/m) varies according to the equation λ = λ0 (1+1.410x2). The value of λ0 is 0.700 kg/m and x is in meters. 1. Calculate the total mass of

    asked by Molly
  113. math

    it takes andy 10 minutes to read 6 pages. how long will it take him to read 1 page

    asked by Anonymous
  114. Science

    Zygomycota; 12. Vertical hyphae produce what structures? 13. What is the function of these structures? Sexual Reproduction In Zygomycota; 16. Sexual reproduction is only possible in Rhizopus if what is true?

    asked by Anonymous
  115. 4th grade math

    mary's class collected cans for recycling. they put 2 dozen can in each sack. they had 104 sacks at the end of the year. how many cans did they collect

    asked by ranganathan
  116. Rock help!

    Explain the 3 textures that are used in identifying igneous rocks? What type of texture will an igneous rock have if it cools slowly? I said coarse and grained? Is the process of dissolved minerals getting deposited into the spaces among larger sediments

    asked by Lana Del Rey
  117. 4th grade math

    write a multiplication sentence with the greatest possible product using the digits 1, 2, 6, and 8 once. then write sentence with the least possible product

    asked by ranganathan
  118. math

    How to form an equivalent division problem by dividing both the dividend and the divisor by 8.

    asked by Victoria
  119. Subsitution Method Grrr

    Please show me the steps and solve. 3x+5y=1025 x+5=275

    asked by andra
  120. Grade 8 math

    What is the greatest possible product of any two numbers in this list? Explain your answer. -3,-7,-15,6

    asked by Anny
  121. Science

    Is the following statement true or false? Solar panels collect energy from the sun that can then power a lamp in a home.

    asked by Anonymous
  122. science

    Which of the following is not among the advantages of generating nuclear energy? It does not release carbon dioxide into the atmosphere. It does not require a specialized process or involve any risk It does not release chemicals that cause acid rain It

    asked by Anonymous
  123. Math

    The product of two integers is between -20 and -25. What are the integers? Give 5 answers.

    asked by Anny
  124. math

    Could you find the circumference of a circle using the exact value of pi? Why or why not?

    asked by John Dosley
  125. Physics

    A large horizontal circular platform (M=143.1 kg, r=3.01 m) rotates about a frictionless vertical axle. A student (m=75.3 kg) walks slowly from the rim of the platform toward the center. The angular velocity ω of the system is 2.10 rad/s when the student

    asked by Molly
  126. Precalculus

    Given: f(x) = X^2-x evaluate: f(sqrt2 + 3) I have worked out this and am stuck: (sqrt2+3)^2 - (sqrt2+3) (sqrt2+3)*(sqrt2+3)- (sqrt2 +3) (sqrt2)^2+ 3sqrt2 +3sqrt2+ 9- (sqrt2+3) 2+6sqrt2 +9-sqrt2-3 and am stuck or wrong here. Ans= SQRT2+6sqrt2 all under

    asked by Steve
  127. math

    how do i solve if it took 1.5 qt of paint to paint a wall 8 ft by 15 ft how many qts will it need to paint a wall that is 10 ft by 24ft.

    asked by Eli
  128. math

    Could you find the circumference of a circle using the exact value of pi? Why or why not?

    asked by steve
  129. Science 7

    Zygomycota 12. Vertical hyphae produce what structures? 13. What is the function of these structures? Sexual Reproduction In Zygomycota 18. What type of benefit can there be for the new strain? 19. What are the two hyphae called that are involved in sexual

    asked by Anonymous
  130. Consumer Math

    A pyramid composed of four equilateral triangles, called a tetrahedron, has a one-side length of 5 meters. What is its surface area? Round the answer to the nearest tenth.

    asked by anthony
  131. Science 7

    Basidiomycota (Mushrooms and Toadstools) 28. Where do spores form & what are the spore-forming structures called?

    asked by Anonymous
  132. math

    The length of the highway is 500 miles. If 1 inch represents 100 miles, what is the length of the highway on the map? If on a scale drawing 55 feet are represented by 20 inches, then a scale of 1/8 inch represents how many feet? If 1 inch represents 55

    asked by maggie
  133. finance

    a.FV of $300 paid each 6 months for 5 years at a nominal rate of 12% compounded semiannually. Round your answer to the nearest cent

    asked by me
  134. math

    Last spring Steve joined a health club. The club charges a one-time enrollment fee of $150.00 plus a $25.00 monthly fee. Which of the following best represents the rate of change in this situation?

    asked by casey
  135. Maths

    a rectangular piece of paper has length=14cm and breadth=12cm. A square piece of paper of perimeter 24 cm is cut off from it. what is the area of the piece of paper left

    asked by Swetha
  136. Math PLEASE HELP ASAP AHHHH

    The product of two integers is between -20 and -25. What are the integers? Give 5 answers.

    asked by Anny
  137. econ

    The International Disc Jockey\'s Union has a wage contract that stipulates a yearly wage increase based on the Consumer Price Index. If this year\'s wage is $25.00, the current CPI is 180, and the contract was first signed in the base year, what was the

    asked by Rebekah
  138. Math

    A landowner wishes to construct a fence around a small section of her property. The fence is rectangular and is (3√5)/√7 meters wide and (2√3)/√5 meters long. What is the exact perimeter of the fence? (Recall that the perimeter is the sum of each

    asked by Brady
  139. Financing and Budgeting

    How much might a home buyer expect to pay in closing costs on a $220,000 house with a 10% down payment?

    asked by Ariel
  140. Financing

    A. How much might a home buyer expect to pay in closing costs on a $220,000 house with a 10% down payment? B. How much would the home buyer have to pay at the time of closing, taking into account closing costs, down payment, and a loan fee of 3 points?

    asked by Ariel
  141. Math - Dividing Radicals

    A landowner wishes to construct a fence around a small section of her property. The fence is rectangular and is (3√5)/√7 meters wide and (2√3)/√5 meters long. What is the exact perimeter of the fence? (Recall that the perimeter is the sum of each

    asked by Brady
  142. math

    A pole 12 feet tall casts a shadow 9 feet long. How tall is a tree that casts a shadow 54 feet long?

    asked by Francisco
  143. Science 7

    Zygomycota 12. Vertical hyphae produce what structures? 13. What is the function of these structures? Sexual Reproduction In Zygomycota 18. What type of benefit can there be for the new strain? 19. What are the two hyphae called that are involved in sexual

    asked by Anonymous
  144. Science 7

    Basidiomycota (Mushrooms and Toadstools) 28. Where do spores form & what are the spore-forming structures called?

    asked by Anonymous
  145. Math

    square root of (1-cosx/1+cosx) = cscx - cotx prove the identity

    asked by Manny
  146. Algebra

    You are offered the option of choosing a yearly salary of $45,000 or continue working on commission. a. Using the equation from problem #1, how many appliances do you have to sell per year in order to match this salary? (Hint: $450 is the base pay per

    asked by Steveo
  147. Algebra

    The cost of producing cell phones is represented as C=mx+b, where m is the marginal cost, x is the number of phones produced, b is the fixed cost, and C is the final cost. a. If the fixed cost is $75 and the marginal cost is $8, write the cost equation. b.

    asked by Steveo
  148. Algebra

    Three years after purchase, a car is estimated to be worth $24,000. At five years, its value is $19,000. If the car is depreciating in a linear manner, write an equation that represents the depreciation of the car. Answer the following questions: a. How

    asked by Steveo
  149. Physics

    A car accelerates from 12m/s to 25m/s in 6.0s. What is its uniform acceleration? How far did it travel in this time?

    asked by Tyler
  150. Algebra

    On a particular April day, the temperature at 8 am was 40°F. By 4 pm the temperature was 64°F. What was the hourly rate of temperature change?

    asked by K-bone
  151. Algebra

    The cost for an electrician is $135 for 3 hours. A 7 hour repair costs $315. Showing your calculations, determine the price of a 12 hour repair.

    asked by K-bone
  152. Algebra

    Sarah has two part-time jobs and needs to earn at least $300 total per week. Job A pays her $10 an hour and job B pays $7.50 an hour. Write an inequality that represents this scenario. Name and label your variables, such as Job A= x.

    asked by K-bone
  153. Algebra

    A manufacturer produces a 4-cup and 8-cup coffee maker. The 4-cup maker takes 6 hours to produce and the 8-cup takes 9 hours. The manufacturer has at most 500 hours of labor per week. a. Write an inequality to represent the number of each type of coffee

    asked by KevinJ
  154. us equality essay edit

    its a rough draft and obviously isnt the entire thing The United States has diagnosed itself as one unified nation, indivisible, with liberty and justice for all. So cultivates the question- are the citizens of such an independent country truly free? The

    asked by christine
  155. Algebra - Dividing Radicals

    A landowner wishes to construct a fence around a small section of her property. The fence is rectangular and is (3√5)/√7 meters wide and (2√3)/√5 meters long. What is the exact perimeter of the fence? (Recall that the perimeter is the sum of each

    asked by Brady
  156. U.S History - Need help!!!

    Document A- It is a most unhappy question, awakening sectional feelings, and exasperating them to the highest degree. The words, civil war, and disunion, are uttered almost without emotion. –Gentlemen now have an opportunity of putting their principles

    asked by Cassidy
  157. phy

    A block of mass 2.20 kg is accelerated across a rough surface by a light cord passing over a small pulley as shown in the figure below. The tension T in the cord is maintained at 10.0 N, and the pulley is 0.120 m above the top of the block. The coefficient

    asked by alix
  158. economics

    1. Think of any real-world business and assume that this business intends to increase its price. Explain what this business could do to make the demand for its product more inelastic.

    asked by tony
  159. Physics

    A long thin rod lies along the x-axis from the origin to x=L, with L= 0.890 m. The mass per unit length, λ (in kg/m) varies according to the equation λ = λ0 (1+1.410x2). The value of λ0 is 0.700 kg/m and x is in meters. 1. Calculate the total mass of

    asked by Molly
  160. physics

    A bat flying at 4.54 m/s emits a chirp at 115 kHz. If the pulse is reflected by a wall, what is the frequency (kHz) of the echo heard by the bat? The temperature of the air is 25.0 C. (HINT: What is the source of the sound heard by the bat?)

    asked by Anonymous
  161. Physics

    A large horizontal circular platform (M=143.1 kg, r=3.01 m) rotates about a frictionless vertical axle. A student (m=75.3 kg) walks slowly from the rim of the platform toward the center. The angular velocity ω of the system is 2.10 rad/s when the student

    asked by Molly
  162. Math

    Karen is making a kite for her art class. To figure out the dimensions of her final kite, she studies a model of a kite shown below. She wants her kite to be similar to the model her teacher made. If the height of the right triangle in her finished kite is

    asked by Anonymous
  163. More Algebra - Dividing Radicals!

    A hotel wants to put a fence around a circular spa. The radius of the spa is 5/(√2-1)feet. If the fence is built along the immediate edge of the spa, what is the perimeter of the fence? (Recall that the perimeter of a circle is 2πr, where r is the

    asked by Brady
  164. physics

    A block of mass 0.74 kg is suspended by a string which is wrapped so that it is at a radius of 0.060 m from the center of a pulley. The moment of inertia of the pulley is 0.0061 kg·m2. There is friction as the pulley turns. The block starts from rest, and

    asked by John
  165. physics

    The surface density of a thin rectangle varies as: σ(x,y)= 14.0 kg/m2 + 9.00 kg/m4(x2+y2) The rectangle has a length L = 0.500 m and a width W = 1.500 m. Calculate Iz, the moment of inertia about the z-axis.

    asked by John
  166. Math

    Explain the pattern rule. a) -2,4,-8,16,-32 b) -15,30,90,-360

    asked by Anny
  167. math

    From the foot of a building I have to look upwards at an angle of 22° to sight the top of a tree. From the top of a building, 150 meters above ground level, I have to look down at an angle of depression of 50° to look at the top of the tree. a. How tall

    asked by mackenzie
  168. pisd

    find the change in temperature minus 8 degree celsius to 13 degree celsius

    asked by asher
  169. Math

    Thomas puts fence posts from one end of a field to the other, equal distance apart. There are 287 posts. Width of each post is 10 cm. Distance between two posts is 30 meters. Find Length of fence.

    asked by Anonymous
  170. math

    If a gardener has 2.625 pounds of soil and divides it into bags with equal amounts, how much soil would be in each bag?

    asked by leah
  171. statistics, math, college

    if np >5 and nq>5 estimate P (fewer than 4) with n=13 p=0.4 by using normal distribution as an approximate to the binomial distribution if np

    asked by andrea
  172. Math

    Rosita's backpack weighs 20 pounds. what does rosita weigh?

    asked by Mario fabien
  173. physics

    You have a coil with 20 loops inside a magnetic field generator that is temporarily generating a field that has a rate of change of -0.25. The other end of this coil is wrapped around a core with 15 turns a second coil wrapped around the same coil has to

    asked by Anonymous
  174. Math

    What are the possible four digit numbers between 8.6 and 8.7

    asked by Anonymous
  175. math

    Gisela finished washing 3/4 of her laundry. She washed 1/3 of this laundry today. Use a rectangle to draw a model to match your expression. What fraction of her laundry did she wash today?

    asked by Brandon
  176. math

    A box with 2/3 cup of cornmeal was used to make pizza. Shelly used 1/4 of the box of cornmeal. Use a rectangle to draw a model to match your expression. What fraction of a cup of cornmeal did she use for the pizza?

    asked by Brandon
  177. math

    How much total pounds of candy does Sam have...1/2,1/4,1/2,1/4,1/8,1/8,1/4,1/2,1/8? How much would he have if he redistributed the candy into bags with equal amounts, how much candy would be in each bag?

    asked by brenda
  178. algebra & trigonometry

    The sum of two numbers is 210. If one number is the square of the other, find the set of numbers. Thanks

    asked by daniel
  179. algebra & trigonometry

    The area of a rectangle is 12 square inches. The length is 5 more than twice the width. Find the length and the width. Thanks

    asked by daniel
  180. algebra & trigonometry

    The area of a rectangle is 28 square inches. The length is 8 more than thrice the width. Find the length and the width. Thanks

    asked by daniel
  181. Science

    Some gardening books tell people to water their plants during the morning or the evening instead of during the sunniest , hottest part of the day . Why do you think books say this

    asked by Adam
  182. Dividing Radicals Problem!!

    Divide the following radical and simplify the answer. ((-3-2√48))/((14√50-8)) A.(24+210√2+64√3+560√6)/(-9736) B.(12+105√2+32√3+280√6)/(-4868) C.(12+105√2+32√3+280√6)/4868 D. (24+210√2+64√3+560√6)/9736 Can someone please help. I

    asked by Brady
  183. fractions

    A box with 2/3 cup of cornmeal was used to make pizza. Shelly used 1/4 of the box of cornmeal. Use a rectangle to draw a model to match your expression. What fraction of a cup of cornmeal did she use for the pizza?

    asked by Brandon
  184. fractions

    Gisela finished washing 3/4 of her laundry. She washed 1/3 of this laundry today. Use a rectangle to draw a model to match your expression. What fraction of her laundry did she wash today?

    asked by Brandon
  185. Algebra

    Find an equation of the line having the given slope and containing the given point. Express your answer in the form y=b or y=mx+b M=0, (0,-5) The equation of the line is y=

    asked by Pam
  186. Algebra

    Find an equation of the line having the given slope and containing the given point. M=6/7, (5,-2) The equation of the line is y =

    asked by Pam
  187. Algebra

    In 1991, the life expectancy of males in a certain country was 72.6 years. In 1996, it was 74.7 years. Let E represent the life expectancy in year t and represent the number of years since 1991. The linear function E(t) that fits that data is, E(t)=

    asked by Pam
  188. math.can someone check my answers?

    can someone check my math answers its only 5 questions thanks. please check my answers ! 21. Find the unit price for each option shown below. Round to the nearest cent when necessary. Indicate which option is the better buy. Option I: 10 candy bars for

    asked by Matt
  189. Math

    Suppose you want to make a map with scale 1 in. : 12 mi. How many inches does each distance occupy on the map? 4. 60 mi 5. 9 mi 6. 40 mi

    asked by Cathy
  190. physics

    Milk with a mass of 0.021 kg and a tempera- ture of 13C is added to 0.12 kg of coffee at 94C. What is the final temperature? Assume the specific heat capacities of the two liquids are the same as water, and disregard any energy transfer to the liquids’

    asked by Heather
  191. math

    Kurt used the rule add 4, subtract 1 to generate a pattern. The first term in his pattern is 5. Which number could be in Kurt's pattern? a.) 4. B.) 6. c.) 10. d.) 14. My answer is d.

    asked by Anonymous
  192. Physics

    As an astronaut, you observe a small planet to be spherical. After landing on the planet, you set off, walking always straight ahead, and find yourself returning to your spacecraft from the opposite side after completing a lap of 24.0 km (assume this to be

    asked by Anonymous
  193. Math

    A truck with 40-in.-diameter wheels is traveling at 50 mi/h. a) Find the angular speed of the wheels in rad/min b) How many revolutions per minute do the wheels make?

    asked by Ray
  194. math 209

    which of the following conclusions is true about the statement below? x^2= square root x

    asked by jim
  195. Math

    What is the explicit form of the following sequence: 1.5, 3.6, 4.2, 5.4, 7.9, 8.3, 8.6, 9.7

    asked by Devika
  196. Physics

    In Larry Niven's science-fiction novel Ringworld, a rigid ring of material rotates about a star. The inhabitants of this ring world live on the starlit inner surface of the ring (where it is always noon). The tangential speed of the ring is 1.25x10^6 m/s,

    asked by Anonymous
  197. Physics

    In a certain amusement-park ride, riders stand with their backs against the wall of a spinning vertical cylinder. The floor falls away and the riders are held up by friction. If the radius of the cylinder is 4.2 m, find the minimum number of revolutions

    asked by Anonymous
  198. Algebra

    How do I solve and the answer for z divided by 3/4=4 1/4?

    asked by Angelena
  199. algebra

    solve by graph 51 less than or equal to 3 - 6y

    asked by su
  200. Math

    Mary and Bob sold candy. Mary sold 4/5 as much candy as Bob did. If Mary sold 1/2 box how many boxes did Bob sell? I did 4/5 divided by 1/2 and was told this was wrong???? Can someone tell me what I did wrong? Thanks You

    asked by Lucy
  201. Algebra

    Factor the following polynomial. 28x^3+59x^2+13x

    asked by Pam
  202. physics

    A scaffold (a uniform horizontal board of mass 50 kg and length 4 m) is supported by a rope at each end. A 100 kg painter stands on the scaffold at a location such that the tension is one rope is four times that in the other. Where is the painter standing

    asked by Anonymous
  203. science- physics

    when a wave strikes a boundary that is less dense than the original wave medium, the wave comes back a) upright b)inverted thank you!

    asked by lauren
  204. english

    need help with writing a five-sentence paragraph using chronological order on signing on to my homepage is simple

    asked by tony
  205. Chem 2

    A 100-mL sample of water is titrated with EDTA solutions in problem 2. The same amount of Mg2+ is added as previously, and the volume of EDTA required is 31.84mL. What volume of EDTA is used in titrating the Ca2+ in hard water? Previous answers are: Moles

    asked by Carlye
  206. trig

    Given csc theta= 4, cot theta < 0 Find the exact values of cos theta and tan theta

    asked by J
  207. Math

    Thank You Ms. Sue. Have a Good Night

    asked by Lucy
  208. Math

    How many fact families with a dividend under 100 contain only odd numbers

    asked by Jenna
  209. chemistry

    The directions state "weigh about 5 grams of sodium chloride". Give minimum and maximum amounts of sodium chloride that would satisfy these instructions.

    asked by Rachel
  210. chemistry

    Three part question Two students each measured the density of a quartz sample three times: Student A Student B 1. 3.20g/mL 2.82g/mL 2. 2.58g/mL 2.48g/mL 3. 2.10g/mL 2.59g/mL mean 2.63g/mL 2.63 g/mL a. which student measured density with the greatest

    asked by Rachel
  211. chemistry

    Show calculation setups and answers for the following problems. a. convert 21 C Celsius to degrees Fahrenheit. b. convert 101 F Fahrenheit to degrees Celsius. c. convert 15 nm into km.

    asked by CeeCee
  212. U.S History - Pls check my answer :)

    Document E – “Have the Northern states any idea of the value of our slaves? At least, sir, six hundred millions of dollars. If we lose them, the value of the lands they cultivate will be diminished in all cases one half, and in many they will become

    asked by Cassidy
  213. Chemistry urgent

    C6H14 + Cl2 in UV light Below are 5 products, say which one cannot be a product, prove this by showing how each of the other products were formed from the equation above. 1-chlorohexane 2-chlorohexane 2,2-dichlorohexane dodecane hex-1-ene

    asked by Ava
  214. Chemistry

    three separate questions 1. An empty graduated cylinder weighs 82.450 g. When filled to 50.0 mL, with an unknown liquid it weighs 110.810 g. What is the density of the unknown liquid? 2. It is valuable to know that 1 milliliter (mL) equals 1 cubic

    asked by Lisa
  215. Neuroscience

    What are the 3 nuclei in the midbrain?

    asked by Caitlin
  216. Chemistry

    Based solely on the amount of available carbon, how many grams of sodium oxalate Na2C2O4 can be obtained from 255 g of C6H6?

    asked by sjlfohdsifau
  217. Chemistry

    I need to make a calorimeter for my high school chemistry class. Any suggestions? I have a few ideas but I can't figure out how I would light the food on fire from inside the container. I have to burn the food and measure the heat through water. thank

    asked by Elizabeth
  218. world history

    how did colonies show disapproval with imperialism?

    asked by Anonymous
  219. Chemistry - DrBob222

    C6H14 + Cl2 in UV light Below are 5 products, say which one cannot be a product, prove this by showing how each of the other products were formed from the equation above. 1-chlorohexane 2-chlorohexane 2,2-dichlorohexane dodecane hex-1-ene

    asked by Ava
  220. Biology

    Can someone please help me find a website? I am doing a project on Maple Syrup Urine Disease and need to find a website that says when the disease was first discovered or how long we have known about it.

    asked by Krystal
  221. Math

    The sum of two numbers is 30. The first number is 1/5 the second number. What are the numbers

    asked by Kim
  222. Chemistry

    A gas diffuses twice as fast as CF4 (g). The molecular mass of the gas is: I'm not sure how to figure this out without the rates of diffusion.

    asked by Chloe
  223. Spanish 2

    Re-write as a Spanish Command, include a direct object pronoun when possible. 1.) Read the book! 2.) Don't read the book! 3.) Clean the house! Thank you!!

    asked by Lanie
  224. algabra

    a car rents for $35. plus 18 cents per mile your daily budget is $71. What mileage will allow you to stay within your budget?

    asked by Denise
  225. Random

    Why is society unfair?

    asked by Sam
  226. Bronies

    What are bronies? I hear about it all the time. Does anybody know?

    asked by Alyssa
  227. Chem; States of Matter

    To an insulated container with 100.0 g H2O (l) at 20.0 degrees C, 175 g steam at 100.0 degrees C and 1.65 kg of ice at 0.0 degrees C are added. a) What mass of ice remains unmelted after equilibrium is reached? b) what additional mass of steam should be

    asked by K
  228. Algebra

    The Smith family made an $800 down payment and pays $75 a month for new furniture. At the same time the Cooper family made a $500 down payment and pays $95 a month for their new furniture. How many months until the amounts they have paid will be equal?

    asked by CS