Questions Asked on
February 6, 2018

  1. Math

    write the slope intercept form of the equation of the line with the following conditions. 19. passing through (4,-2) and (-8, -5). 21. passing through (-5,9) and parallel to 3x+y=1. 23. passing through (4,1) and perpendicular to 2x-y=8.

    asked by Keonn'a
  2. Math

    Police use the formula S = 2 √5x to determine the speed, S in miles per hour of a skid of length x ft. Determine the speed of a car whose skid length is: A) 45 ft B) 180 ft

    asked by Maya
  3. algebra

    A pump can be adjusted to empty a 1000-liter pool at different rates. When operated at a rate of R liters per minute, the pump takes T minutes to empty the pool. Which equation below relates R and T correctly?

    asked by Nate
  4. math

    The sample space for a roll of two number cubes is shown in the table. (1,1)|(1,2)|(1,3)|(1,4)|(1,5),(1,6) (2,1)|(2,2)|(2,3)|(2,4)|(2,5)|(2,6) (3,1)|(3,2)|(3,3)|(3,4)|(3,5)|(3,6) (4,1)|(4,2)|(4,3)|(4,4)|(4,5)|(4,6) (5,1)|(5,2)|(5,3)|(5,4)|(5,5)|(5,6)

    asked by KJRCH
  5. Maths

    ABCDE is a Pentagon . AB\\CD, angle A, angle E ,angle D are in ratio 4:2:3.Find angle A ,Angle E and Angle D

    asked by Raghav
  6. physics

    A block and a tackle system of 4 pulley is used to raise 150g vertically upward if the efficiency is 80% determine the minimum effort required to raise the load if g=10ms-2

    asked by Esther
  7. English

    Write one paragraph describing the difference between grammar and usage. I have to score 20 points on this paragraph and I don't even know what to say in it. Grammar is the whole system and the structure of our language in general. This is all I got. What

    asked by Clueless
  8. MATHS

    If A =4 and B=3 Is AB .....12..?? Could you run through the steps to solve it please

    asked by EMILY
  9. Maths

    what is 0.012 as a fraction in its simplest form? and can you explain how you found the answer?

    asked by EMILY
  10. MATHS

    How do i find the average of 9cm, 6cm,10cm and 11cm?

    asked by EMILY
  11. Math

    Write a sequence of transformations that maps quadrilateral ABCD onto quadrilateral A''B''C''D'' My answer: Reflection across the y axis then translate 2 units down. I searched the question up to check the answer but everyones says Reflection across the y

    asked by Help
  12. math

    How do I get 5.83 as my answer from this 29.47x - 4.9x^2 = 5.3 answer key: x = 5.83

    asked by Anonymous
  13. physic

    can somebody show me how to find the time s step by step. A golfer hits his approach shot at an angle of θ = 46.3°, giving the ball an initial speed of v0 = 39.6 m/s (see figure below). The ball lands on the elevated green, yf = 4.1 m above the initial

    asked by joy
  14. physic

    How do I find degree when there isn't any number on this question. please explain with step. A projectile is launched up and to the right over flat, level ground. Its range is equal to half of its maximum elevation above the ground. What was the angle

    asked by joy
  15. Math

    200 coins consisting of 10 centavo coins and 25 centavo coins are worth 95 pesos how many coins each kind are there? plsss i really need your help, it would be very well appreciated if you could help me on my homework. Thank you!

    asked by Jillaine
  16. Alegbra 1

    Clay Potts owns a ceramic store. His brother Jack works for him. Jack earns wages of 50 dollars per day plus 10% of the profits. Clay gets the other 90% of the profits. On Monday the store makes a profit of 30 dollars. How much does Clay get?

    asked by Bill
  17. math

    Enrico invested money at 3.95%, compounded weekly, while Paul invested money at 3.95%, compounded semi-annually. After 3.5 years, each investment is worth $4000. Who made the greater original investment, and by how much was it greater?

    asked by carol
  18. World History

    Can someone describe characteristics of absolute monarchies and the rights of citizens under those monarchies in Austria, Prussia, and Russia

    asked by Andrew
  19. Science

    At zero degrees Celcius, can evaporation happened?

    asked by Patricia
  20. Science

    The process wherein water vapor molecules come together to form droplets of water or clouds? (It is not condensation, other term please)

    asked by Patricia
  21. Science

    A student mixed two clear liquids together in a beaker. A gas and a new liquid formed. The gas escaped, so the student was unable to measure its mass. She guessed that its mass was no more than 10.0 [LW1] grams. Her data is shown in the table below. Mass

    asked by Baby_Banana
  22. Math

    Sally and Mercian each have some money,if sally spend$45perbday and mervin spent 15 each day,sally would have $120 left by the time mervin spent his money if sally spent$15each day,Marvin spent $45 each day,sally would have 1080 left by the time Marvin

    asked by Lily
  23. History

    how did the issue of states' rights influence south carolina's decision to secede from the union?

    asked by Knob polished
  24. English

    Decide whether the underlined pronoun is reflexive or intensive. 1:Camouflage is one way animals protect(themselves.)....Reflexive 2:Some animals(themselves) are protected with built-in camouflage....Intensive 3:A mother polar bear can hide (herself)and

    asked by anonymous
  25. Physics

    A ball shot at an angle of 60° to the ground strikes a building 23m away at a point 16m high. Find the magnitude and direction of the final velocity of the ball as it strikes the wall.

    asked by Majiri
  26. Math

    Natalie picked 135 berries in 15 minuets if she continues picking at that rate how many total minuets will it take her to pick 486 berries

    asked by Pls help now
  27. Math

    A circular track of diameter 1.4 M is spotted in the centre with 20 CM script border find the area of the strip portion of the rug to the nearest centimetre square

    asked by Anonymous
  28. math

    A drum is 2/5 full.if 75 litres are required to fill it,what is the capacity of the drum?

    asked by Mukut
  29. social studies help

    1. Which statement best describes the physical geography of Arabia and Iraq? (1 point) largely hot and dry with pockets of mountains and fertile river valleys tropical, with equal parts rainforest and desert mountainous, with diverse terrain and climate

    asked by Anonymous
  30. Chemistry

    'Identify two factors that affect the change in entropy that occurs during the formation of an NaCl solution. State whether each factor causes an increase or decrease in entropy.' All I can think of is the dissolving process, which increases entropy, but

    asked by SarahF275
  31. pre-alg

    Using 1 inch = 15 feet as the scale factor, what are the blueprint dimensions of a room in a model house that is actually 30 feet × 45 feet? a. 2 in x 3 in b. 3 in x 2 in c. 2 in x 2 in d. 3 in x 2 in I got b. Is this correct? Thank you!

    asked by Tazia
  32. Precalculus

    you borrow $5,000 from your parents to purchase a used car. The arrangements of the loan are such that you make payments of $250 per month toward the balance plus 1% interest on the unpaid balance from the previous month. (a) Find the first year monthly

    asked by bob
  33. Algebra

    Currently, one-fourth of the members of a local club are boys, and there are 80 members. If no one withdraws from the club, what is the minimum number of boys that would need to join to make the club one-third boys?

    asked by samay
  34. muisc

    In 4/4 time, what note gets the beat? A. eighth note B. quarter note C. half note D. whole note

    asked by VIBES
  35. Examples on United States and Canada

    United States and Canada achieved independence. I need some examples not links. Like what does "Canada prides itself on being like a stew with each ethnic group contributing separate and identifiable cultures. The U.S. likes to consider itself a melting

    asked by Random Girl
  36. Algebra

    I have a set of complementary angles, the measure of one angle is 8 degrees less than the measure of the other. What is the measure of the larger angle? What is the measure of the smaller angle?

    asked by samay
  37. Physics

    A loop circuit has a resistance of R1 and a current of 2.2 A. The current is reduced to 1.7 A when an additional 3 Ω resistor is added in series with R1. What is the value of R1? Assume the internal resistance of the source of emf is zero.

    asked by Anna
  38. Algebra

    I have a pair of supplementary angles, the measure of one angle is 8 times the measure of the other. What is the measure of the larger angle?

    asked by samay
  39. Algebra

    Billy was playing a trivia game. According to the rules, Billy would receive 25 points for each question he answered correctly but would lose 50 points for each question he answered incorrectly. At the end of the game, Billy had a total of 450 points. He

    asked by samay
  40. Social Studies | Check My Answers

    Good afternoon, Jiskha tutors! Can someone please check my answers, and if they are incorrect, tell me where I can research the right answer? Thanks so much, and have a great day! :)

    asked by Anonymous
  41. Stats

    1. The following sample data shows the use of plastic (debit and credit) cards versus cash/cheque by four age groups: Age Group 18-24, 25-34, 35-44, 45 and over Payment Method plastic 21, 27, 27, 36 cash or cheque 21, 36, 42, 90 Test for independence

    asked by Raye
  42. Check - History.

    Is this a good answer? Ethnic groups are similar because many are of the same ethnicity. According to a teacher/tutor, "Canada prides itself on being like a stew with each ethnic group contributing separate and identifiable cultures. The U.S. likes to

    asked by Random Girl
  43. Precalculus

    ool and die company buys a machine for $175,000 and it depreciates at a rate of 30% per year. (In other words, at the end of each year the depreciated value is 70% of what it was at the beginning of the year.) Find the depreciated value of the machine

    asked by bob
  44. English

    What would English be like without grammar? If grammar didn't exist and there were no rules to language, how would that change the way we speak? I made these questions on my own because I think it would be interesting to add into my paper.

    asked by Clueless
  45. algebra 1

    Solve the following problem: Kate bought a car for $20,000. A study shows that a car will depreciate (go DOWN in value) by 15% each year. How much is Kate's car worth after 5 years? a) Formula used: ___________________________________ b) Substitute values:

    asked by hello
  46. Precalculus

    Suppose you deposit $10,000 into an account earning 3.5% interest compounded quarterly. After n quarters the balance in the account is given by the formula: a) Each quarter can be viewed as a term of a sequence. List the first 5 terms. b) Identify the type

    asked by bob
  47. Maths

    is y-y1=m(X-x1) the formula for perpendicular slope>

    asked by Fari
  48. Maths

    is y-y1=m(X-x1) the formula for perpendicular slope>

    asked by Fari
  49. Math

    I am a bit confused on how I am supposed to round 9, 819 to the nearest square mile. I am stuck on this. Please help

    asked by Patrick
  50. Econ stats

    Consider the following data: 23 17 20 29 21 14 19 24 Develop and test a hypothesis to determine if the variance is greater than 4. Use the critical value approach and α = 0.05

    asked by Anonymous
  51. Math

    Suppose P(C|D) =0.59, P(D) =0.44, and P (D|C) =0.38. What is P(C) rounded to two decimal places? A) 0.42 b) 0.57 c) 0.68 d) 0.34?

    asked by Michel
  52. Precalculus

    Suppose you deposit $10,000 into an account earning 3.5% interest compounded quarterly. After n quarters the balance in the account is given by the formula: 10000(1+0.035/4)^n a) Each quarter can be viewed as a term of a sequence. List the first 5 terms.

    asked by bob
  53. Pre-Algebra

    Find the lateral area of a square pyramid with the base edge as 8 m and the height as 22 m.

    asked by Pier
  54. L.A.

    Quick question, when was the poem, "The City Is So Big" By Richard Garcia written? I cannot seem to find it so I was hoping someone could help me. Thank you for your help in advance! ;-)

    asked by ABCDEFGHIJKLMNOPQRSTUVWXYZ
  55. world history

    What was the difference between the profits of Great Britain and India? please help with this question I've looked it up and done my research and I'm really struggling.

    asked by kayla
  56. Physics

    A loop circuit has a resistance of R1 and a current of 2.2 A. The current is reduced to 1.7 A when an additional 3 Ω resistor is added in series with R1. What is the value of R1? Assume the internal resistance of the source of emf is zero. I got 12.75

    asked by Anna
  57. Math calculus 2

    Pam owns an electronics store with storage capacity for 100 computer tablets. She currently has 90 computer tablets in inventory and determines that they are selling at a daily rate equal to 17% of the available capacity. When will Pam sell out of computer

    asked by Anonymous
  58. math

    In Purdue's Chemistry department, the chemists have found that in a water based solution containing 24 grams of certain undissolved chemicals, the rate of change of the amount of chemicals dissolved in the solution is proportional to the amount of the

    asked by Anonymous
  59. math

    There is a sudden growth of algae in a lake that kills other life in the water such that y tons of algae will be present after t weeks. The rate of growth of the algae is y′=ty+t and the initial amount of algae is 7 tons. How

    asked by Anna
  60. Chemistry

    The mass of a dry, 50 mL beaker is 49.135 g. The observed volume of water in a volumetric pipet is 20.00 mL. This water is transferred to the beaker and the combined mass of the water and the beaker is found to be 69.122 g. Given that the density of water

    asked by Dalal
  61. Science

    The energy in food was originally light energy from the Sun. True or false? I think it is true.

    asked by Alex
  62. Math calculus 2

    A 500-gallon tank initially contains 200 gallons of brine containing 85 pounds of dissolved salt. Brine containing 1 pounds of salt per gallon flows into the tank at the rate of 44 gallons per minute, and the well-stirred mixture flows out of the tank at

    asked by Anna
  63. calculus

    A corporation starts to invest part of its revenue continuously at rate of P dollars per year in a fund for future expansion plans. Assume the fund earns money at an annual interest rate, r, compounded continuously. The rate of growth of the amount A in

    asked by Anna
  64. Math calculus 2

    A 17650 cubic foot room initially has a radon level of 870 picocuries per cubic foot. A ventilation system is installed that brings in 385 cubic feet of air per hour that contains 5 picocuries per cubic foot, while an equal quantity of the well-mixed air

    asked by Anonymous
  65. Science

    Hi, could someone check my answers? The nucleus of an atom is made of _______. electrons and empty space protons and neutrons** protons and electrons neutrons and electrons Niels Bohr's model of an atom looked like a (n) ___. galaxy solar system** electron

    asked by Lauren
  66. Science

    Which of the following is not part of the process of producing electricity from coal? 1. Coal is lifted onto a platform to give it potential energy before burning. 2. Coal must be burned to release heat. 3. Heating water produces steam. 4. Steam runs a

    asked by Alex
  67. Math calculus 2

    Find the integrating factor for the following differential equation (cos8x)y′+8(tan8x)y=4sec8x,0

    asked by Anonymous
  68. social studies

    what is the progressive movement? A reform movement of farmers and laborers a reform movement of people who held fast to traditional ideas a reform movement that sought to move society forward by improving it *** a reform movement that criticized people

    asked by
  69. Math

    Eric has a riddle: "I am thinking of a fraction that is equivalent to 2 5 25 and the numerator is 18 less than the denominator." What is Eric's fraction?Explain how you know Please tell me the answer or my grade is a 50 please tell me the answer

    asked by PETER
  70. Angle of elevation

    The angle of elevation of the top of a house from the bottom of a tower 160m high is 26 from the top of the tower the angle of elevation is 240degrees what is the height of the house if the tower and the house are 50m apart

    asked by Anonymous
  71. math

    Ms Desai has $18 000 to invest and is looking at GICs. • Option A: 5-year GIC at 2.45%, compounded annually. • Option B: 2-year GIC at 2.2%, compounded annually; reinvest funds in a 3-year GIC at 3.5%, compounded annually. Compare the future values of

    asked by josh
  72. calculus

    Find all solutions in the interval [0,2π) sin3x−sinx=0

    asked by Daemon
  73. calculus

    Express the following as a product containing only sines and/or cosines. sin9x−sin7x

    asked by Daemon
  74. MATH

    Can somebody explain to me how 2(u^2)(sin2θ)/g = (u^2)(sinθ)^2/(2g) become 4sin2θ = (sinθ)^2?

    asked by Anonymous
  75. Math

    As you can see from my nickname, math and I don't have great history. That is why I would like someone to check my answer. Q: Samantha types 40 words per minute. How many words can she type in 8 minutes? My Answer: 320 How I got to this: This question

    asked by I'm Not GREAT at Math
  76. Social Studies

    What Notes can I make from this? Despite its size, Canada shares its border with just one country, the United States. At 5,525 miles, it's the longest two-nation land border in the world. The ties between Canadians and Americans are long and strong. Every

    asked by Isaaaaaa human
  77. Science

    A scientist from the United States conducts an experiment using miles per hour to measure speed. Why might this be confusing for scientists in other countries? A) Scientists in other countries don't usually perform experiments involving speed. B)

    asked by Unknown
  78. MATH

    Can somebody explain to me how 4sin2θ = (sinθ)^2 become 8sinθcosθ = (sinθ)^2 ?

    asked by Anonymous
  79. Math

    How do you isolate the variable in x+5=12?

    asked by BOI
  80. Math

    Tim said that to solve the equation x-2=9, he would have to subtract 2 from both sides of the equation. Is Tim correct? Explain.

    asked by Maya
  81. Math

    Marge said that she subtracted 20 from both sides of an equation to solve it. Kollin thinks that the equation she was solving could have been 6+t=20. Does Kollin's reasoning make sense? Explain.

    asked by Sean
  82. Math

    Write the equations described below. a) an addition equation with one variable that has a solution of 3 b) a subtraction equation with one variable that has a solution of 2/3

    asked by Bryn
  83. physics

    A 18 kg rock is attached to a 52 N/m spring, you then start to swing the spring above your head in a horizontal circle at 32 radians/s. Calculate how far the spring will stretch during this motion assuming its relaxed length is 1.5meters. Ignore any

    asked by johnw
  84. AP Lit

    What is the significance of Mama remembering having been "hooked in the side by a cow in '49"? A. Like a cow, Mama has a strong spirit and is always ready for a fight. B. Like a cow is mild mannered, Mama is mild mannered and will always give in to Dee. C.

    asked by Phee
  85. Math

    Becky used 5 teaspoons of mustard to make 32 ounces of potato salad. How many teaspoons of mustard does she need to make 4 pounds of potato salad.

    asked by Ariana
  86. Geometry

    10. Which of the following quadrilaterals always have diagonals that are congruent. Circle all that apply Parallelograms Rectangles Rhombi Squares Isosceles trapezoids 19. Given square ABCD: if the measure of angle ACB = (1x - 32) degrees, find the value

    asked by Jonathan
  87. physic

    Three forces F1 = (80.90i − 54.63j) N, F2 = (23.50i − 80.52j) N, and F3 = (−104.4i + 361.9j) N are exerted on a particle. The particle's mass is 23.11 kg. Find the particle's acceleration. (Express your answer in vector form.) a = m/s2

    asked by joy
  88. Chemistry

    If a chemist titrates 300.0 mL of H2SO4 with a 3.0 M solution of NaOH and requires only 3.4 mL of the base to reach the endpoint, what is the concentration of the sulfuric acid?

    asked by Me
  89. Physical Science

    What is the wavelength of an earthquake wave if it has a speed of 8 km/s and a frequency of 8 Hz?

    asked by Francisco
  90. Chemistry

    A compound is found to contain 63.52 % iron and 36.48 % sulfur. Find its empirical formula. FeS FeS2 Fe2S Fe2s3

    asked by Clueless
  91. Social Studies

    Why were many Eastern European countries associated with the Soviet Union after the World War 2??

    asked by MiMi
  92. Math Help!

    1. What is the slant height for the given pyramid to the nearest whole unit? Pyramid base = 10 cm Height = 12 cm A. 7 cm B. 11 cm C. 13 cm D. 16 cm 2. What is the length of the diagonal for the given rectangular prism to the nearest whole unit? Legnth= 8cm

    asked by Alisson
  93. Social Studies

    1.What are the cultural traits of Russia? 2.What is the main religion of Russia?

    asked by Lucy
  94. maths

    mother divided$ 36.00among john, tim and joan.tim got $1.00 more than john and joan got $2.00 more than joan.how much did each child receive.

    asked by shem
  95. 8th grade math volume

    A square pyramid has a base side length of 40 cm and a height of 51 cm. What is its volume? v=a^2 h/3 is this correct? 40^2 x 51/3 = 27200 cm3 ????? thank you

    asked by Marilyn
  96. math

    what is 80x547568-868+21

    asked by dlyn
  97. Social studies

    1. What geographic feature of the Ozarks is not also a feature of the Ouachita Mountains? A - plate tectonics B - Alluvial plains C - Rolling plains D - Plateau 2. In what region of the U.S. is Arkansas located? A - Northeast B - South C - West D - Rocky

    asked by rose
  98. Art History

    What is the most likely reason why the Romans made copies of original copies of Greek art? a. To try and claim it as their own*** b. Because of their great beauty c. In an attempt to improve on them d. They did not make copies.

    asked by Anonymous
  99. Phee

    "The Lottery" The theme of this story might be that... A. humanity possesses a tendency to seize readily upon a scapegoat. B. humanity can fall victim to unexamined traditions. C. accepting tradition is harmful. D. both the first and second choices above

    asked by AP Lit
  100. Government

    "His 1863 Emancipation Proclamation freed Confederate slaves but scholars still debate whether it rested on any firm constitutional foundation" Based on the excerpt, which statement best illustrates the impact of Lincoln's proclamation on government? A: it

    asked by Anonymous
  101. chemistry

    water: describe how its molecular structure is responsible for its ability to serve as a solvent for salts and other ionic or polar materials. Explain how you can be sure it isn't a straight molecule? Is it because hydrogens can come off a attach to other

    asked by Anonymous
  102. Math

    A circular dog bed has a circumference of about 72 inches. What is the diameter in inches of the dog bed to the nearest inch?

    asked by David
  103. AP Lit

    "The Lottery" Which character is an example of a fully developed character? A. Mr. Summers B. Old Man Warner C. Mr. Adams D. Mrs. Hutchinson E. none of the above I think it's E. none of the above.

    asked by Phee
  104. Social Studies

    1. In 1830, the _____ signed the first treaty to give up their land and move to the Indian Territory. Cherokees Chickasaws Seminoles Choctaws The Seminoles, who lived in _____, were a combination of Creeks who had moved into the area, Native Americans from

    asked by HELPPP
  105. Math, Physics, and Science

    What are the Fundamental Laws of Biology? How is it so different to the cultures of science itself? Explain in an equation or in a matter of writing.

    asked by Stanley Stanford
  106. Science

    1. __________ is an environmental group that works to create awareness of pollution. A. The IRA B. Greenpeace C. Congress D. The FDA My answer is D

    asked by Steve
  107. Science

    Governments don't always enforce the environmental laws because: A. they don't believe in them B. they are too busy C. they don't have enough money to enforce all the laws D. they expect the public to enforce laws My answer is C

    asked by Steve
  108. Math

    Erica made a poster in the shape of a quadrilateral that has only one pair of parallel sides. Which of the following names the shape of Erica's poster? 1)square 2)rhombus 3)rectangle 4)trapezoid I think# 4

    asked by Jamie
  109. Science

    Which of these animals is on the Endangered Species List? A. deer B. blue jay C. holstein cow D. Florida panther My answer is D

    asked by Steve
  110. math

    whats the opposite of x^2, like instead of the little number being on top, its on the bottom whats it called and how do you type it

    asked by luisa
  111. Java Computer Science

    So in math, a restriction can be set. For example 30

    asked by Anonymous
  112. Maths(mensuration)

    A farmer's rectangular plot measures 400m by 225m.How many square metres of land should he buy more to make the area of his field equal to 10 hectare?

    asked by Anonymous
  113. Math

    A hippopotamus can stay under water for 15 minutes. A sea cow can stay under water y minutes. This is 11 minutes longer than one third the time a hippopotamus can. Write an equation and solve to determine how long the sea cow can stay under water.

    asked by Mark
  114. Stats 2 help

    1. The following sample data shows the use of plastic (debit and credit) cards versus cash/cheque by four age groups: Age Group 18-24, 25-34, 35-44, 45 and over Payment Method plastic 21, 27, 27, 36 cash or cheque 21, 36, 42, 90 Test for independence

    asked by Anonymous
  115. Physics

    A 8.6-kg rock and a 5.9 × 10-4-kg pebble are held near the surface of the earth. (a) Determine the magnitude of the gravitational force exerted on each by the earth. (b) Calculate the magnitude of the acceleration of each object when released. For b),

    asked by A.S
  116. physics

    What is the momentum of a 60 kg sprinter running at 8.0 m/s?

    asked by allen
  117. math

    What is the same sprinter’s velocity if she has a momentum of 400 kg m/s?

    asked by ramon
  118. math

    A falling boulder hits the ground at a velocity of 15 m/s, losing 1,200 kg m/s of momentum to the Earth when it stops. What is its mass?

    asked by asdf
  119. physics

    A 4,000 kg truck and a 2,000 kg car are both traveling at 10 m/s when they hit a wall. Which vehicle has more momentum just before striking the wall? What is the ratio of their momenta?

    asked by asdf
  120. momentum

    Two 1 kg balls moving at 10 m/!@#$%^& a wood wall, each losing momentum which is transferred to the wall as a result of the collision. One ball is made of clay and sticks to the wall. The other is made of rubber and bounces backward at 10 m/s. Which one

    asked by ydsaf
  121. physics

    Which of these objects has the greatest momentum? Which has the least momentum? a 6.0 kg bowling ball moving at 8.0 m/s a 3.0 gram pellet fired at 250 m/s a 2500 kg truck parked on a side street a 60 kg student walking at 1.0 m/s

    asked by ydsaf
  122. math

    A 1,000 kg self-driving car is traveling at 32 m/s toward a 3,500 kg self-driving pickup truck that is, in turn, moving at 11 m/s toward the car. What is the total momentum of the system of car plus truck? (Make sure to specify its direction.)

    asked by yusuf
  123. english

    Antonyms of Pestilence : ?? Arbitrate: Ignore?? Deportment: ? ( in the definition a persons manners/behavior) Caricature : Seriousness? Touchous: Relaxed? Vigil : disregard

    asked by Anonymous
  124. AP Calculus AB

    Suppose f(x)= x^5 - 10 and let h(x) be the inverse of f. Find h'(22).

    asked by Rayan
  125. English

    17. For most academic writing, the types of evidence preferred include A. a combination of assertions and first-hand experiences. B. personal observations and opinions. C. facts, statistics, and expert testimony. D. general statements and quotations by

    asked by Ariel
  126. algebra

    A bouncy ball bounces 16 feet high on its first bounce and exactly half as high on the next bounce. For each later bounce, the ball bounces half as high as on the previous bounce. How many inches high does the ball bounce on its seventh bounce?

    asked by samay
  127. English

    are there any synonyms or antonyms for this word? Meacutetier (n.) the job one is made for; one’s expertise; an occupation.

    asked by Anonymous
  128. Physics

    You have a neutral balloon. What is its charge after 12000 electrons have been removed from it? The elemental charge is 1.6 × 10−19 C. Answer in units of μC

    asked by Phil
  129. for bobpursley

    where does 4.90s come from when t when t was given as 4.20s? forcex=t^4-5t=4.20^4-5(4.20)=290 forcey=7t^2+1=7*(4.90)^2 +1=169 force=sqrt(forcex^2+forcey^2)=336 N

    asked by joy
  130. Science

    Can't undcramble these words-buuafau

    asked by Tonya
  131. Algebra2

    Etch clean graphics uses on cleanser that is 25% acid and a 2ND that is 50% acid. How many liters of each should be mixed to get 30L of a solution that is 40% acid?

    asked by MR.BEAN the 2ND
  132. physics vectors

    Three vectors a, b, and c, each have a magnitude of 42 m and lie in an xy plane. Their directions relative to the positive direction of the x axis are 27 ˚, 194 ˚, and 312 ˚, respectively. B) i need the angle of the vector a+b+c (relative to the +x

    asked by kkbrabra
  133. physics

    A 0.68 kg ball traveling at 8.30 m/s collides head-on with a 1.32 kg ball moving in the opposite direction at a velocity of -8.85 m/s. The first ball moves away at -6.28 m/s after the collision. Find the velocity of the second ball.

    asked by Anonymous
  134. Algebra2

    A self-employed contractor nearing retirement made two investments totaling $15,000. In one year, these investments yielded $1023 in simple interest. Part of the money was invested at 6% and the rest at 7.5%. How much was invested at each rate?

    asked by MR.BEAN the 2ND
  135. Algebra2

    Toto throws a ball up in the air. The height of the ball can be modelled using the equation h=-16.1t^2+73.5t+5.5 where t is time in seconds. At what time will the ball reach its maximum height? What is the maximum height? How long does it take for the ball

    asked by Ashley
  136. physics

    Ms. Muse shoots a 0.005 toy dart at a toy boat with a plastic sail. The dart sticks to the sail of the boat and begins to move in the opposite direction. What is the final velocity of the boat if the boat was originally traveling toward Ms. Muse at 0.05

    asked by Anonymous
  137. Algebra2

    Pepe throws a penny off the empire state building. The penny's height above ground can be modelled using the equation h=-16.1t^2+5t+1250 where t is time in seconds. How high is Pepe when he throws the penny? How many seconds does it take the penny to hit

    asked by Ashley
  138. Algebra2

    The first candle was sold at 10$ and the store sold 2500 of them. Then they decreased to 9.50$ and sold 2800, they decreased more to 9$ and sold 3100. Find a quadratic formula that will model the profit from this based on price change. What selling price

    asked by Ashley
  139. physics

    A 23.60 g bullet strikes a 6.31 kg stationary wooden block and embeds itself in the block. The block and bullet move together at 7.47 m/s. What was the original velocity of the bullet?

    asked by Anonymous
  140. Algebra2

    Two car leaves SLC traveling in opposite directions. One car travels at a speed of 80Km/h and the other at 96km/h. In how many hours will they be 528 km apart?

    asked by MR.BEAN the 2ND
  141. Maths

    The area of rectangular field is 3584m square and its length is 64m. A boy runs around the field at the rate of 6km/h. How long will be take to go 5times around it.

    asked by Shehzad