Popular questions and responses by jared
  1. Physics 1 (Calc Based)

    At t = 0, a wheel rotating about a fixed axis at a constant angular acceleration of –0.40 rad/s^2 has an angular velocity of 1.5 rad/s and an angular position of 2.3 rad. What is the angular position of the wheel at t = 2.0 s? Ans: Theta final=4.5 rad

    asked on March 31, 2010
  2. math

    Don has one-third as much money as Ann. Gwen gives Don $17. Now Ann has $2 less than Don. How much money do Ann and Don have in all? is this how to set it up? t = 1/3 g +17 g = t - 2

    asked on July 9, 2020
  3. advanced math

    suppose that a1, a2, a3, ..., ak forms an arithmetic sequence. If a5+a8+a11=10, a7+a10+a13=12, and ak=11, find k note: the numbers and the k after the a's are subscript but i don't know how to type that

    asked on September 30, 2009
  4. science-math help

    Explain why a 1:3 ratio of green-seeded plants to yellow-seeded plants is the same as a fraction of 1/4 green seeded plants thanks

    asked on April 1, 2009
  5. la

    At the end of "Raymond's Run," Squeaky has a different attitude about running and about her rival, Gretchen. Describe the actions that demonstrate these changed feelings. What role does conflict play in Squeaky's changed attitude? Use events and details

    asked on October 20, 2014
  6. 4th grade math

    Can you help? 1. Choose the best estimate for the length of a bottle of glue. a. 15 millimeters b. 15 centimeters c. 15 meters d. 15 kilometers I know it's not c or d. So, i think it is a - 15 millimeters because length of 15 centimeters (length of

    asked on May 8, 2017
  7. 3rd grade math

    1. What is 47 and 52 rounded to nearest hundred? answer: both 0?

    asked on September 3, 2015
  8. physics

    three 80 gram weights are suspended at 32 cm 43 cm and 76 cm of a uniform meter stick. if the stick is made to rotate at its midpoint where must the 4th 80 gram weight be suspended to attain equilibrium? please and thank you

    asked on August 31, 2015
  9. Math

    The quadratic equation x^2+2x−8=0 can be rewritten as (x+4)(x−2)=0. What is the multiplicity of the root x=−4? A.The multiplicity of the root is 1. B.The multiplicity of the root is 3. C.The multiplicity of the root is 2. D.The multiplicity of the

    asked on February 27, 2020
  10. Physics

    A 100-W light bulb has an average lifetime of 800 h. how many electrons Move through the bulb in its life?

    asked on April 3, 2017
  11. Math

    Math riddle worksheet "did you hear about" 20 boxes Answer ASAP

    asked on February 7, 2012
  12. Math

    How many integer palindromes are between 10,000 and 70,000 and how many of those are even?

    asked on November 19, 2013
  13. 5th grade Math

    I'm not sure how to answer this. Select two fractions whose sum is 3/4 and whose denominators are both the same but not equal to 4

    asked on October 16, 2017
  14. Pre Calculas

    A man who can row in still water at 3 mph heads directly across a river flowing at 7 mph. At what speed does he drift downstream?

    asked on May 12, 2015
  15. Physics HELP!!

    What is the de Broglie wavelength of an electron that strikes the back of the face of a TV screen at 1/10 the speed of light?

    asked on May 2, 2012
  16. algebra

    A cylinder has a radius of 4x + 2 and a height of 5x + 4. Which polynomial in standard form best describes the total volume of the cylinder? Use the formula v = pi r^2 h for the volume of a cylinder.

    asked on February 22, 2012
  17. math

    the distance, d, an object falls when dropped from a tower varies directly as the square of the time it falls. If the object falls 144 feet in 3 seconds, how far will it fall in 11 seconds?

    asked on January 4, 2011
  18. Physics

    At t = 0, a wheel rotating about a fixed axis at a constant angular acceleration of –0.40 rad/s^2 has an angular velocity of 1.5 rad/s and an angular position of 2.3 rad. What is the angular position of the wheel at t = 2.0 s? Ans: Theta final=4.5 rad

    asked on March 31, 2010
  19. math

    Seventh grade students were asked whether they participated in an after school activity. Complete the table below. What is the relative frequency of males who do not participate in an after school activity? Round your answer to the nearest hundredth. yes

    asked on May 25, 2020
  20. math

    Look at the following test scores: 90, 90, 93, 85, 87, 79, 100, 95, 82, and 89. Wilbert took the test and earned a 60%. How is Wilbert's score going to affect the data set? A) The mean decreases slightly and the median decreases tremendously. B) The mean

    asked on May 23, 2020
  21. 6th grade Math

    Your group has 12 red tiles and 18 blue tiles. Your job is to arrange the tiles in rows. You must use all the tiles, a row can only contain only blue or only red tiles, each row can only contain the same number of tiles, and the rows should be as long as

    asked on August 29, 2018
  22. 5th grade Math

    Can you check my answer? 4. Solve. 6 tenths = ___ thousandths Answer = 600 5. Write 347.392 in expanded form. Answer: (3*100)+(4*10)+(7*1)+(3* 1/10) + (9*1/100)+ (2*1/1000) 9. Write in standard form (number name) for: three thousand four hundred eight-two

    asked on October 7, 2017
  23. 5th grade LA

    Can you check my homework? Which of these are compound sentences? 1. My cat licked my face when I came home from school. NO (simple) 2. I am worried, because my cat is missing. No (complex) 3. Sarah did her homework, and then she went to the party. YES 4.

    asked on August 20, 2017
  24. Calculus

    Set up, but do not evaluate, the integral which gives the volume when the region bounded by the curves y = Ln(x), y = 2, and x = 1 is revolved around the line y = −2.

    asked on May 18, 2017
  25. Statics

    If both the projection Pa and component Fb of the force F are 250 N, determine the magnitude of the resultant F and the orientation theta of the b-axis. There is a 34 degree angle from the resultant force to the a-axis. There is a 4 degree angle from the

    asked on August 27, 2015
  26. Math problems

    a farmer plants .6 0f a field with peanuts. the field is 5.6 acres in size. how many acres are planted with peanuts

    asked on February 1, 2015
  27. Geometry

    I have four questions: 1. The area of trapezoid ABCD is 60. One base is 4 units longer than the other, and the height of the trapezoid is 5. Find the length of the median of the trapezoid. 2. In trapezoid ABCD, line BC is parallel to line AD, angle ABD =

    asked on December 6, 2014
  28. Quadratic Functions in Algebra

    Suppose C(x)=x^2−6x+20 represents the costs, in hundreds, to produce x thousand pens. How many pens should be produced to minimize the cost? What is the minimum cost? Number of pens to minimize cost: Minimum Cost:

    asked on March 18, 2014
  29. Math Word Problem

    The Mesozoic Era began about 250,000,000 years ago. The Palezoic Era began 292,000,000 years before that. How long ago did the Palezoic Era Begin? A. 42,000,000 Years B. 492,000,000 Years C. 542,000,000 Years D. 556,000,000 Years

    asked on September 24, 2013
  30. math

    which expression stands for "32 more than a number d" ? A. 32 x d B. 32- d c. 32 + d d. 32 divided by d I am not sure?

    asked on March 7, 2013
  31. grammar

    label each word's part of speech or its job."Has our executive officer hired that young man for the job?"

    asked on November 2, 2009
  32. science math

    Explain why a 1:3 ratio of green-seeded plants to yellow-seeded plants is the same as a fraction of 1/4 green seeded plants

    asked on April 1, 2009
  33. chemistry

    KHP is a monoprotic acid with a molar mass of 204.22 g/mol. The titration data are as following. The average concentration of NaOH solution is M. 1 2 3 mass of KHP (g) 2.789 2.543 2.612 vol NaOH used (mL) 27.77 23.22 27.12 You didn't ask a question but I

    asked on May 16, 2007
  34. math

    How do i solve 2/3(x+7) = 10? 2(x+7)/3 = 10 (2x +14)/3 = 10 (3)(2x +14/)3 = 10*3 2x + 14 = 30 2x = 30-14 2x = 16 x = 8 why wouldnt' I distribute 2/3 to x + 7 and get 2/3x + 14/3? choices were a. 22, b. 8, c. -1/3, d. 41/3. I started out doing this (but

    asked on October 27, 2019
  35. 6th grade Math

    1. At Saturday's football game, there were 45 more than half the fans at Fridays game. Assuming there were "x" fans at Friday's game, what expression represents the number of fans at Saturday's game? = 1/2x + 45 (1/2 times x plus 45) 2. What is the

    asked on November 8, 2018
  36. 5th grade Math

    When finding the mass of an object, you determine which of the following? a. quantity of matter in the object b. its weight c. its height d. its length I picked A, but it was marked wrong. So, I guess the more correct answer is B?

    asked on March 6, 2018
  37. 5th grade LA

    Identify the preposition. 1. He was bitten by the dog with the red collar. a: by, with 2. Take the fire escape on the side of the building. a: on, of 3. He brushed his hair with the brush from the dollar store. a: with, from 4. The robot with the mohawk

    asked on October 12, 2017
  38. 5th grade Math

    Can you check my problems? 1. Write the phrase shown using only numbers and symbols. The sum of thirty-six plus twelve divided by 4 = (36+12)/4 2. Evalute the following expression 36 + 12 / 4 = 36 + 3 = 39 3. Write an expression for the phrase below:

    asked on September 10, 2017
  39. LA - 5th grade

    Which version of to/too to use? 1. He came too when they threw water on his face. 2. I was to late to catch the bus.

    asked on August 24, 2017
  40. physics

    Starting from rest, a 10kg suitcase slides down a 3.00m long ramp inclined at 30 degrees from the floor. The coefficient of friction between the suitcase and the ramp is 0.35. 1) what net force is applied to the suitcase while it is on the ramp? 2)what is

    asked on December 13, 2015
  41. physics

    A uniform rod is set up so that it can rotate about a perpendicular axis at one of its ends. The length and mass of the rod are 0.849 m and 1.17 kg. What constant-magnitude force acting at the other end of the rod perpendicularly both to the rod and to the

    asked on October 28, 2014
  42. la

    While Cyril is smacking the seat cushions, his aunt invites him to look out the window. What can you infer from these two details in "The Story-Teller"? The aunt is trying to distract Cyril and get him to behave. The aunt is punishing Cyril for his bad

    asked on October 21, 2014
  43. 4th grade Algebra

    What is another way to write the expression 44n? What is another way to write the expression 44 divided by n?

    asked on March 6, 2013
  44. math

    Ms. shoemaker has 35 students in her classroom. Of those students 6/7 are right handed and 4/5 of te right handed students have brown eyes. How many right handed brown eyed students are in the class.

    asked on February 11, 2013
  45. Math6

    A gallon of water wighs 8 1/3 lb. How much does 1 1/5 gallon of water weigh? How do I figure this out?

    asked on January 27, 2013
  46. Trig

    Prove the following functions: (sinx+sin2x)/(1+cosx+cos2x)=tan x (cos3x/sinx)+(sin3x/cosx)=2cot2x tan2x=(2/cotx-tanx) theses are due in the am. Fastness would be great?

    asked on November 7, 2011
  47. World Culture

    What type of skills are needed to be independent in the U.S

    asked on September 30, 2010
  48. math

    how can you tell whether 78 divided by 2 is greater than 30 without dividing?

    asked on April 18, 2010
  49. FST (functions, stats, and trigonometry)

    what is the equation for the axis of symmetry for the function f(x)=IxI?(absolute value)

    asked on October 7, 2009
  50. 10th grade

    Meaning of tool used to measure length?

    asked on September 8, 2009
  51. algebra

    determine the slpoes of the lines padding through these points (3,-1) and (-7,-1)

    asked on July 14, 2009
  52. Chemistry

    Why doesn't potassium ion K+ from KMnO4 appear in the following two unbalanced equations: MnO4– + C2O42– --> Mn2+ + CO2 MnO4– + Fe2+ --> Mn2+ + Fe3+ ? is it because K+ is just a spectator ion or is it because K+ would cause a net positive charge in

    asked on July 4, 2007
  53. chemistry

    If the stockroom fails to dry the KHP to remove the waters of hydration, the student's calculated concentration for the standardized base will be: ____________ (low, high, or unaffected) A drop of NaOH is hanging from the buret tip before the titration of

    asked on May 16, 2007
  54. Chemistry

    When 0.643 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 105C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant

    asked on May 7, 2007
  55. Physics

    Ok, so this probem is kinda complicated, so ask me if you need clarification. This problem deals with Impulse and Momentum. There are two balls hanging vertically from a horizontal plane. Ball A is pulled back and is set up to strike ball B. Given for ball

    asked on November 29, 2006
  56. Physics

    How much work is done by a tree to stop a 25.0 g arrow traveling at 75.0 m/s if it embeds itself 6.00 cm into the trunk?

    asked on May 13, 2020
  57. math

    The population of a city was 60,000 in the year 2005 and increased by 2.5% every year. a) Write a formula for the population size depending on time b) What was the population in 2015? c) In what year will the population double?

    asked on April 21, 2020
  58. Math

    1.-(6)^-1 a.6 b.1/6 c.-1/-6 d.-6 2.(-8.3)^0 a.1 b.-1 c.0 d.-8.3 3.-1/p^-6 a.-6/p b.-6p -p^6 p^6 4.4^6*4^3 a.4^9 b.4^18 c.12^9 d.64^9 5.(-4)^-6(-4)^7 a.4^13 b.-4 c.13 d.1 6.(^6)^2 a.2y^12 b.y^12 c.y^8 d.y^36 7.(6q^6)^-4 a.6q^1296 b.1296q^2 c.1/1296q^24

    asked on March 2, 2020
  59. math

    identify the property(5+3)+9=5+(3+9)

    asked on October 10, 2019
  60. Calculus Limits

    Suppose that lim t→1 (f(t) − e^π)/ (t − 1) = 16. What is limit→1 f(t)? I don't understand, is f(1) = e^x? but how do I show it? am I allowed to rearrange that equation to f(t) = 16(t-1) +e^π inside of a limit? ughhhh I dont understand, any help

    asked on October 4, 2019
  61. math

    1. Bella's recipe for a batch of cookies calls for 4 1/2 cups of flour. if she wants to make 2/5 of a batch of cookies how much flour should she use? 2/5 * (4 1/2) = 2/5 * 9/2 = 9/5 = 1 1/5 cups flour 2. A submarine is at an elevation of - 9 4/7 meters. It

    asked on September 9, 2019
  62. 6th grade Math

    Solve. 12 ÷ 4( 9 ÷ 3) x 9 =12/ 4(3) x 9 = 12/12 (9) = 1 The answer sheet had 81. Is this correct? 12 ÷ 4( 9 ÷ 3) x 9 = 12/ 4(3) x 9 = 3(3) x 9 = 81? 2. 8 + 8 (18 ÷ 3) = 8 + 8(6) = 8 + 48 = 56 Isn't this similar to the 1st problem?

    asked on October 22, 2018
  63. Language Arts Alliteration

    I received a comment on my essay saying these two are not examples of alliteration. Are they or are they not? "Winter was a weird time for the world," and "I was walking in the woods, when I noticed the trees were filled with branches of only DULL GREEN."

    asked on October 20, 2018
  64. biology

    1. In the order they occur, list and describe the 4 main steps of mitosis. You may provide an illustration if you prefer, but you must name the steps in order. (4 points)

    asked on October 9, 2018
  65. Math

    4. The animal shelter rescued 40 cats and dogs today. If 12 of them were cats, what percent of them were dogs? Should I solve by subtracting 40-12 to get the number of dogs or solve using the cats and then subtracting that from 100? 40-12 = 28 dogs 28/40 =

    asked on October 7, 2018
  66. 4th grade math/ratios

    1. 12 markers for $4. how many markers for $1? 12/4 = 3 markers 2. 7 bananas for $15. how much does 1 banana cost? 15/7 = $2.14

    asked on September 24, 2018
  67. 6th grade Math

    Can you check the following? 3. Lily is cutting a roll of cookies into slices that are 3/8 inch thick. If the roll is 10 1/2 inches long, how many slices can she cut? Ans: (21/2)/(3/8) = (21/2 )* (8/3) = 28 slice 5. Amy has painted 3/4 of a room. She has

    asked on September 13, 2018
  68. 6th grade Math

    Can you check teh following? 1. Jill has 3 yards of cotton. She needs 3/4 yard for each skirt she makes. How many skirts can she make? Ans: 3/(3/4) = 3(4/3) = 4 skirts 2. For a party, 8 sandwiches are being made. If each sandwich is cut into thirds,how

    asked on September 6, 2018
  69. Math

    10. Bicycle speedometers are programmed based on the number of revolutions the wheel turns per second. A bike wheel spins 480 times in 1 minute. What is the rate per second? a. 1 revolution per second b. 8 revolutions per second c. 60 revolutions per

    asked on April 27, 2018
  70. 5th grade LA

    Can you check my answers? 1. The sailboat was too tall to pass under the bridge. Which of the bolded words in the sentence begins a prepositional phrase? (bolded words: was, too, pass, under) a. was b. too c. pass d. under Ans: d (under) 2. The coach

    asked on March 18, 2018
  71. 5th grade Math

    1. Stan brought candy for his friends that weighed 7/8 pounds. If he split it up equally among himself and 4 other friends, how much candy did they each eat? (7/8) /5 = (7/8)*(1/5) = 7/40 pound 2. Yesterday, Jill drank 6 gallons of water this week. If her

    asked on January 29, 2018
  72. 5th grade Math

    Can you check this? 7. Will brought in candy for his friends that weighed 7/8 lbs. If he split it up equally among himself and 4 other friends, how much candy did they each get? (7/8)/5 = 7/40 lbs??

    asked on January 15, 2018
  73. 5th grade LA

    Can you check this sentence. Each pair has a problem with a change in verb tense. Rewrite the sentences so that verbs are correct. 1. Honey never spoils. Honey from tombs of ancient Egypt still tasted good today. answer: Honey never spoils. Honey from

    asked on December 12, 2017
  74. 5th grade LA

    For the following sentences, identify the verbs. Then write the correct form of one verb to match the tense of the other one. If no change is needed, write NC. 1. The stage crew placed teh props on stage and sets them in place. verbs: placed, sets answer:

    asked on December 7, 2017
  75. 5th grade LA

    Can you check the following? Past Perfect Tense 1. My teacher __ us three chapters, but I only finished one of them. (assign) answer:had assigned 2. Before their fossils __, we knew nothing about dinosaurs. (discover) answer:had been discovered 3. The team

    asked on December 5, 2017
  76. math

    Find the value of this integer expression: 2( 3 4 8 7) −+ − − + +++ .

    asked on November 16, 2017
  77. 5th grade LA

    Can you check these? Find the prepositional phrase in each sentence. Circle the preposition, and underline the object of the preposition. 26. After it was fixed, he thought about how to make it work better. prep: about obj: ? 27. The engine needed a lot of

    asked on November 8, 2017
  78. 5th grade science

    Can you check this question? 7. Which of the following is an instinctive behavior that an organism can inherit from its parents? a. a raccoon taking lids off trash cans to find food. b. a dog barking loudly when doorbell rings c. a seal balancing a ball on

    asked on October 29, 2017
  79. 5th grade Soc Studies

    can you check my answers? Tell which Bill or Rights is being shown in the examples. You may use an amendment more than once. 1. Boopsie Bride decided to change churches when she got married and the government didn't care. ans: 1st amendment (right to

    asked on October 14, 2017
  80. 5th grade LA

    Can you check these? Place commas where they belong. 4. No Elena isn't coming over this weekend so you can make plans to hang out with your friends. A: No, Elena isn't coming over this weekend, so you can make plans to hang out with your friends. 13. Carly

    asked on October 4, 2017
  81. 5th grade LA

    Insert commas where they belong. Provide a short reason. 2. Ever since you asked my opinion about the soccer field battle I've been mulling the situation over trying to determine a logical consequence. A: Ever since you asked my opinion about the soccer

    asked on September 27, 2017
  82. 5th grade Math

    1. Jack arranges his baseball cards in 15 rows with 25 baseball cards in each row. his friend Jorge has 2 times as many baseball cards as jack. Write a multiplication equation to represent the total number of baseball cards Jorge has. = (15*25)*2

    asked on September 22, 2017
  83. 5th grade LA

    4.Which sentence uses commas correctly? A. The teacher read Home of the Brave, before the class went to lunch. B. The teacher, read Home of the Brave before the class went to lunch. C. The teacher read Home of the Brave before the class went to lunch.***

    asked on September 11, 2017
  84. 5th grade science

    If you used a peach as a model of an animal cell, what would the fruit represent and why? It would represent the cytoplasm because it would contain the "insides" of the peach.

    asked on September 10, 2017
  85. 5th grade Math

    Read the following word problems, create an expression, and solve. 1. Nadia earned $3 a week. Nathan $4 a week. How much did they earn together after 4 weeks? (3+4) x 4 = $28 2. Audrey has 120 beads. She puts 8 beads on each necklace and 4 beads on each

    asked on September 7, 2017
  86. 4th grade math - line plot

    Can you explain how to answer the following question? Information: Tally chart shows the widths of buttons collected (button sizes in inches). 1/8 in = 6 buttons, 2/8 in = 0 buttons, 3/8 in = 3 buttons, 4/8 in = 1 button, 5/8 inc = 2 buttons, 7/8 in = 4

    asked on May 17, 2017
  87. Physics

    How many x-ray photons are emitted per second by an x-ray tube that puts out 1.0 W of 75-KeV x rays?

    asked on April 24, 2017
  88. Statistics

    If the slope of the regression line is negative and the correlation coefficient is -.5, coefficient of determination is: - It would be -0.25. Correlation coefficient = r and coefficient of determination = r^2. Then, coefficient of determination would be

    asked on April 23, 2017
  89. Physics

    How many x-ray photons are emitted per second by an x-ray tube that puts out 1.0 W of 75-KeV x rays?

    asked on April 21, 2017
  90. Physics

    How many x-ray photons are emitted per second by an x-ray tube that puts out 1.0 W of 75-KeV x rays?

    asked on April 20, 2017
  91. Physics

    A certain material has a work function 0 (angle sign) = 1.5 eV. a)what is the frequency of a photon that ejects an electron from his material, giving the electron an energy of 1.6 eV? b)what type of EM radiation is this?

    asked on April 20, 2017
  92. Physics

    A 100-W light bulb has an average lifetime of 800 h. how many electrons Move through the bulb in its life?

    asked on April 2, 2017
  93. Physics

    How many calories are needed to heat 247 grams of ice at 14F to water at 50C? s(ice)=0.500kcal/kg/C, s(water)=1.000kcal/kg/C ,hf= 79.7kcal/kg, hv= 540 kcal/kg

    asked on March 27, 2017
  94. Physics

    A train blows its horn as it approaches a crossing. A.) if the train engineer observes a frequency of 125Hz and a stationary observer at the crossing observes a frequency of 132Hz, what is the speed of the train? (The speed of sound is 330m/sec on this

    asked on March 27, 2017
  95. Physics

    Ten cars at an intersection are blowing their horns simultaneously, creating a 100 decibel sound in the middle of the intersection. What is the average sound level for each car? 10/100= 10db per car?? Idk

    asked on March 25, 2017
  96. physics

    A soccer ball has a diameter of about 22 cm and a mass of about 430 g. What is its terminal velocity?

    asked on March 16, 2017
  97. 4th grade math

    1. After saving up for while, Melanie saved $12 of her allowance. She decided to spend 1/3 of that money at the book fair. the book she wanted was $5. Did she bring enough money to buy the $5 book. Draw a model to justify your answer. Answer - 12 x 1/3 =

    asked on March 12, 2017
  98. 4th grade math

    Eric had 10 cookies. He gave 1/2 to Jeff. he also gave 1/5 of cookies to Mike. How many cookies does each boy have? Jeff: 10 x 1/2 = 5 Mike: 10 * 1/5 = 2 Eric = 10-(5+2)= 3

    asked on February 15, 2017
  99. math

    A 4-pound box of rice, which is a mixture of white rice and wild rice, sells for $1.80 per pound. White rice sells for $0.75 per pound. Wild rice sells for $2.25 per pound. How many pounds of white rice are in the mixture? -White rice = W Wild ride= S

    asked on February 1, 2017
  100. 4th grade math

    Can you check please. 1. Melvin had 20 children in his kindergarten class. Two-fifths of the children had brown eyes. Onefourth of the children had blue eyes. The rest had hazel eyes. How many children had hazel eyes? 20(2/5) = 8 brown 20(1/4) = 5 blue

    asked on February 1, 2017


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