Questions Asked on
January 24, 2017

  1. Calc 2

    Differentiate the function: y=sqrt(xe)^x^2(x^2+1)^10

    asked by Anonymous
  2. Math

    Verify [4×(-2)]×5=4×[(-2)×5] if they are equal,write the appropriate property.

    asked by Jaswanth
  3. Chemistry

    How many moles of carbon are in a 28.0g sample? I have no idea where to start

    asked by Tyler
  4. Spanish

    Which popular physical activity in the Spanish-speaking world would you prefer to participate in? Why? Write you answer using as many Spanish words as possible. What are some Spanish-speaking world activities?

    asked by PleaseHelpMe777
  5. Algebra

    Why/how does the exponent of 1/2 mean the square root?

    asked by Jish
  6. Math

    A guy travels to his home which takes 4 1/3hrs and a distance of 350km, he travels 60km/h for the first part and 90km/h for the rest of the journey. Find: An equation for the distance An equation for the time Detemine the distance he travelled for the

    asked by Gopikrishnan
  7. Science

    Provide 3 statements that demonstrate the importance of units when describing motion. I don't fully understand the question, can someone please explain it to me a little more?

    asked by Reeces
  8. Math

    an employee is paid $3600 for the first month. she is paid an additional 1% at the end of the second month, which means a total of $3636. she continues to receive a 1% raise each month for a full year. what is her total salary at the end of the year?

    asked by Peter
  9. College Stats

    Suppose that two random variables X1 and X2 have a bivariate normal distribution, and Var(X1) = Var(X2). Show that the sum X1+X2 and the difference X1− X2 are independent.

    asked by Sophia
  10. Algebra

    Greg ate 1 3/5 of the pizza and Sam ate 2 1/2 of the same pizza how much did they eat together?

    asked by Anonymous
  11. Math

    The acute angles of a right angle triangle are in the ratio 4:5,then find the acute angle.

    asked by Jaswanth
  12. Math

    In 20 spins, how often can you expect to get a number evenly divisible by 2?

    asked by Janallene Allan
  13. Grade 6, ratio

    The ratio of the number of one dollar coins in a box was 3:4.six one dollar coins were removed & some fifty cent coins of the same amount were added.the ratio of the number of one dollar coins to the number of fifty cent coins then became 1:3.what was the

    asked by Peachie
  14. chemistry

    Using the electron configuration of nickel (Ni), identify its magnetic character. a. ferromagnetic b. paramagnetic c. no magnetic character d. diamagnetic

    asked by cool
  15. Math

    Abby has 45 dogs and ciara has 8000 dogs.Add the dogs 8000 +. 45

    asked by Bob
  16. English

    How did the elephant save the life o prous

    asked by How did the elephant save the life of porus
  17. Math

    ~~~~WARNING HARD MATH~~~~ An integer from 100 to 999, inclusive, is to be chosen at random. What is the probability that the number chosen will have 0 as at least 1 digit? Multiple Choice: Underline or circle the letter that best solves the question. a)

    asked by KawaiiChan
  18. Math grade 6, ratio

    A certain sum of money was shared among three friends a,b,&c.a received 3/7 of the sum of money & b got 2/3 as much as a.c received $49 less than a.find the ratio of b's money to c's money.how much moneydid c receive?

    asked by Peachie
  19. Science

    If an Iron block had a length of 2 cm, and a width of 3 cm and a height of 1 cm and a mass of 33 g between what two liquids would it float?

    asked by Tywan
  20. Math

    Find interest and total amount paid,if a person take a loan of Rs.6500 for 4 years at 9% rate of interest per annum

    asked by Jashu
  21. Science

    Find the work done when a 25kg weight is lifted to a vertical height of 2.0m from ground ...

    asked by Hema
  22. America Government

    Do you think our country's history would be different if the Articles of Confederation had remained as our constitution? Yes, I do think our country's history would be different if the Articles had remained as our constitution. Being that this government

    asked by Anonymous
  23. algebre

    in the abcd parallelogram ad=10 units ab= 8 units ac=12 units ed= 4.5 units bd=

    asked by Anonymous
  24. math

    I need help please! What is the solution set? −2.8x+5.6

    asked by faith
  25. help with trigonometry??

    Jacob is standing 112 m from a building. The angle of elevation when he looks up to the top of the building is 62°. How tall is the building? I don't really understand how to solve this, please help!!

    asked by Valerie
  26. chemistry

    2. 50.0 mL of 1 M NaOH(aq) and 50.0 mL of 1 M HNO3(aq), both initially at 18.6°C, were mixed in a Styrofoam cup calorimeter. The temperature of the solution rose to 25.4°C. How much heat was released? Assume that the heat capacity and density of the

    asked by punch
  27. Algebra

    A load of 12 kg stretches 15 cm and a load of 30 kg stretches 18 cm. Find the natural (unstretched) length of the spring.

    asked by Kelly
  28. Maths

    The diameter of a bicycle wheel is 14 cm.What is the distance covered by it in 50 revolution

    asked by Muhammad
  29. Accounting

    On 2015 January 1, Jackson Company purchased equipment for $440,000. The equipment has an estimated useful life of 10 years and an estimated salvage value of $40,000. If Jackson uses the straight-line depreciation method, what is the depreciation expense

    asked by Jala
  30. Microeconomics

    A computer company produces affordable, easy-to-use home computer systems and has fixed costs of $250. The marginal cost of producing computers is $700 for the first computer, $250 for the second, $300 for the third, and $350 for the fourth, $400 for the

    asked by Alexys8
  31. American Government

    Do you think our country's history would be different if the Articles of Confederation had remained as our constitution? yes, I do think our country's history would be different if the Articles had remained as our Constitution. Power was given to the

    asked by Anonymous
  32. art

    why did the artist most likely color the hair against a black and white background (1 point) A: to illustrate a person that is very organized B:to illustrate a person with limited imagination C:to illustrate a creative personality D: to illustrate a calm

    asked by emoji lover
  33. Math

    Ramana buys 8kgs tomatoes. If the cost of 5 kgs is 65.How much will ramana pay

    asked by Jashu
  34. DAV; subject biology

    What are bio - degradable pollutant?

    asked by harish
  35. English

    Give the best analogy. Slavish is grovel as_____ 1. gluttonous is to overeat 2. pen to paper 3. incorrigible is to obey 4. deference is to direspect answer: 1.

    asked by Kimmy
  36. math

    A circular field is surrounded by a circular path. The radius of the field is 15 m , and the radius from the center of the field to the outer edge of the path is 20 m .

    asked by kandy
  37. English

    Give the analogy. Exonerate is to condemn as____. 1. subjugate is to control 2. eat is to drink 3. Purloin is to steal 4. set free is to confine ANSWER: 4

    asked by Kimmy
  38. Trig

    Solve equation for 0 less than or equal to theta less than 360. 3-1/5*tan(theta)=16/5

    asked by Sally
  39. science

    How a comet changes when when it comes close to the sun? It explodes***

    asked by Jayda
  40. Geometry probability

    Betty picks 4 random marbles from a bowl containing 3 white, 4 yellow, and 5 blue marbles. The probability that exactly 1 of the 4 marbles drawn is blue is _____ (I know that the probability is 5/12 and that simplifies to 0.4166 but that is not one of the

    asked by Emily
  41. Social Studies PLZ hurry

    1. The treaty of Paris, sighned after the seven years' war, gave ______ Complete control of canada. A)Great Brittain *** B)France C)The US D)Spain

    asked by Anonymous
  42. English

    Give the correct form of the word " ostensible" . He complimented Mary's mom, ostensibly to make a good impression on both women. answer: ostensibly

    asked by Kimmy
  43. english

    _____ provided constitutional justification for segregation for almost sixty years.

    asked by Anonymous
  44. Math

    4. The ordered pairs (0, 0), (2, 4), (4, 8), and (6, 12) represent a function. What is the rule for this function? (1 point) y = x +2 y = 3x y = x + 4 y = 2x

    asked by ................
  45. Languages, Spanish

    you are dinning at a restaurant in Argentina at 9:30 n the evening.(Dinner) What meal are you most likely eating? A) el almuerzo (This is Lunch, so not this one) B) La Sena *** C) El desayuno Thank you!

    asked by Morgan
  46. math

    A walkway forms a diagonal of a square playground. The walkway is 24 meters long to the nearest tenth of a meter. How long is the side of the playground?

    asked by ranz
  47. SS

    Which phrase best describes the shift in power in Iraq since independence? A:From Democracy to Monarchy B:From Dictatorship to Monarchy C:From Democracy to Dictatorship D:From Monarchy to Democracy I think it is B or C. Thank you for your help

    asked by Jaden
  48. Math - Algebra 1

    A field must be fenced in. There is 212 yards of fencing material to be used. What should the dimensions of the enclosed area be to ensure that is has the largest area possible? Dimensions_____________________

    asked by Lauren
  49. Math - Algebra 1

    Each cow eats 4.5 cups of feed a day and the bucket it comes in contains 250 cups. The buckets cost $26.75 each. If a farm has 16 cows, how much will it cost to feed all of the cows for 1 week? (system of equations) Cost____________________

    asked by Lauren
  50. math

    ∠6+ ?

    asked by luivi
  51. Physics

    Can someone add me on skype and tell me answers to my physics test tomorrow, I pay good?

    asked by Pen15
  52. Chemistry

    write a balanced nuclear equation for the reaction that occurs when uranium-335 absorbs a neutron and undergoes fission to produce 3 neutrons, bromine-65 and another nucleus.

    asked by Leila
  53. maths .social science .technology.english

    A train travelling at anaverage speed of 100km/h covers a certain distance in 3 h 36 minutes .at what avarage speed must the train travel to cover the same distance in 2h 30 minutes

    asked by lindo
  54. Trig

    Thank you Steve for all your help.

    asked by Sally
  55. Physical Science

    Rank from largest to smallest atomic radius. To rank items as equivalent, overlap them. O, S, Se, Po, Te

    asked by Hannah
  56. Math geometry

    The measure of an angle is twenty more than three times it's supplement. What are the measures of each angle?

    asked by Karen
  57. Math

    Do you think that advertised discounts are always the best deal? Why or why not? What is a real-world scenario in which the discount is not the best price? Think back to when you bought an item on sale or by using a discount. How did you determine the sale

    asked by Anonymous
  58. applied mechanics

    a motorist driving his car at a speed of 72km/hr observes that the traffic lights ahead of him turns red if he comes to a halt at the traffic light 5seconds starting from first find the distance of the car from the light when the motorist observed the red

    asked by toly
  59. Social Studies

    Hi, I need help on a test. One of the questions I need help on is: "Gross Domestic Product, or GDP, is best defined as-- A. Money paid to the government in taxes to support public goods and services, B. The value of all goods and services produced within

    asked by DustyRose<3
  60. French

    Fill in the blank with the correct form of the verb Avoir: J'______ un chien. ai **** my choice as avez a

    asked by UprisingFury
  61. contrast sceince

    Contrast mitochondria and chloroplasts.

    asked by Agala
  62. math

    dy/dx+(1/x)y=3x^2y^3 find the solution using Bernoulli equation

    asked by tish
  63. Math: Geometry

    2. Name four line. Segments that have point B as an endpoint. A. AF, CH, AE, BE B. BA, BF, BC, BH 3. AF, CH, AE, BE 4. BA , BF, BC, BH Please help!

    asked by Please Help!
  64. Social studies

    Which of the following phrases might a Republican Congress have used to describe President Johnson's Reconstruction plans

    asked by Mel
  65. social studies

    Which was the main idea of the great migration to the United States in the late 1800s and early 1900s? 1)the need for workers in the U.S. 2)political unrest in Europe 3)religious persecution in Eastern Europe 4)scarcity of land and money******

    asked by dream
  66. English

    Is it correct to write. 'Speeches by the guests'. Is the usage of two plurals correct. Please let me know at the earliest.

    asked by Seema
  67. Physics/Energy

    A cop of mass of 90.0 kg is chasing a robber and runs up 5 flights of stairs in 20.0 sec. The cop has gone a vertical distance of 12.0 m. Determine the amount of work done by the cop to get to this height.

    asked by Nana
  68. Math

    3. Which of the following appears to be an irrational number? A. 3.72727272 B. Square root 64 C. -6/5 D.073303330 Plzz help My answer is c

    asked by Snoop
  69. Calculus

    Solve the quadratic equation by factoring. (Enter your answers as a comma-separated list.) 5x2 − 23x = −12

    asked by jay
  70. Trig

    4=5+cos(theta)

    asked by Sally
  71. Math

    There are 144 people in an audience. The ratio of adults to children is 5 to 3. How many are adults? PLEASE HELP!

    asked by Madi
  72. social studies

    in this question which was the main cause of the great migration to the United States in the 1800s and early 1900s. a. the need for workers in the US b. political unrest in Europe c. religious persecution in Eastern Europe d. scarcity of land and money I

    asked by wondering
  73. English

    Insert semicolons in the following sentences as needed. In some sentences, semicolons will replace commas, Above the sentence, write the words before and after the semicolon. 1. At the market Flora selected strawberries, which were on sale, a pineapple,

    asked by HAYDEN
  74. Anonyms

    What is the perimeter of a square which has the same area as a circle with circumference of 4π?

    asked by mystery
  75. math

    A construction company needs to remove 416 tons of dirt from a construction site. They can remove 89 tons of dirt each hour. What is the total number of hours it will take to remove the dirt?

    asked by angie
  76. Calculus

    Piecewise function x if −2≤x≤0; x^2 if −2

    asked by Po
  77. physic

    150g of ice at 0 degreecelcius is mixed with 300g of water at 50 degreecelcius.calculate the temperature of the mixture.

    asked by damilola
  78. Algebra

    Factor each: f(x)= x^3 + 7x^2 + 10x f(x)= 5x^3 -19x^2 - 4x

    asked by Alice
  79. Check my answers, Physical science

    my answer has the **** 1. What is the smallest part of all matter called? (1 point) * a. Element b. Atom***** c. Molecule d. Compound 2. Which of the subatomic particles is negative? (1 point) a. Nucleus b. Neutron c. Proton d. Electron*** 3. Who provided

    asked by Anonymous
  80. Algebra

    Six times a number less ten is equal to two times the same number plus four.

    asked by Don
  81. maths

    the first termn of an exponential sequence (GP) is greater than the fourth term by 13.5 and the fourth is greater than the third by 9.Find:the common ratio and the first term.

    asked by sherif
  82. Calculus

    Find the equation in standard form for the line that satisfies the given requirements. horizontal line through (−8, −9)

    asked by Anonymous
  83. Math

    jeff has 12 more toy cars than toy trucks. In all, he has 19 toy vehicles. How many toy trucks does Jeff have?

    asked by JB
  84. Geometric Progression.

    The fifth of an exponential sequence (GP) is greater than the fourth term by 13.5 and fourth term is greater than the thrid by 9.Find:common ratio and the first term.

    asked by AREMU
  85. Math

    Henry needs to cut a 4 2/3 foot board into 5 equal pieces. How long was each piece?

    asked by Greg
  86. Math

    Katie is baking cookies. She only wants to make 3/4 of the recipe. She needs to take 3/4 of the 2/3 cup of sugar. How much sugar does she need?

    asked by Greg
  87. PSYCHOLOGY

    1. ___________ is a method of treatment for mild to moderate cases of emotional and mental disorders that uses a process of patient discovery. (1 point) 2. The work of __________ is the foundation of psychotherapy. (1 point) 3. Psychotherapy is a(n)

    asked by PSYCH HELP PLEASE!!!!!
  88. Math

    together Paul and Jack and $72 twice as many cars as if she's three cars how much did they charge to watch explain how you know.

    asked by jayona
  89. @ nathan

    Cheaters are not welcomed on Jiskha. You've been banned from posting for asking for answers.

    asked by Ms. Sue
  90. science

    A weight of 10N is supported by 2 strings AB and AC tied to a horizontal support.The strings makes an angle of 30 degree and 60 degree inclined respectively to the horizontal support.calculate the tention T1 and T2 in the strings

    asked by fuseini
  91. Math

    Put the fractions in order from smallest to largest 3/5 1/8 5/10

    asked by Dil
  92. integrated science

    Two individuals on roller blades push off each other.One weighs 45 kg and the other weighs 40 kg.who will travel further and why.Is the force balanced or unbalanced

    asked by emily
  93. Math

    Tricia spent $12 to rent skates. She rented them for 4 hours. What number sentence states how much it costs to rent skates for one hour?

    asked by Judi
  94. science

    what is the relationship between mass and gravitational potential energy?

    asked by please help im confused
  95. Math - Algebra 1

    A field must be fenced in. There is 212 yards of fencing material to be used. What should the dimensions of the enclosed area be to ensure that is has the largest area possible? (system of equations) Dimensions_____________________

    asked by Lauren
  96. math geometry

    Find the area of the triangle defined by the coordinates (-3, -4), (-7, 0), and (-3, 4).

    asked by angel
  97. Trig

    2+1/3tan(theta)=2 I know that tan=0 0,180 But i don't know how to figure it out. Please help.

    asked by Sally
  98. financial literacy

    A college professor's compensation package includes the total cost of a $350-per-month health insurance plan, the total cost of a $45-per-month life insurance plan, and a salary of $65,000 per year. What is the yearly value of the compensation package?

    asked by Anonymous
  99. math

    Write a system of equations to describe the situation below, solve using substitution, and fill in the blanks. Ella is starting a business selling handmade necklaces. She has decided to invest an initial amount of $57 for advertising, and materials cost $7

    asked by dmoney
  100. Science

    A car is moving down a straight road.Suddenly a cat jumps in front of the car.The driver slams on the breaks and the passenger goes flying forwards.Why?What law of Newton applies to this situation?

    asked by Emily
  101. trig

    Reiny 2+1/3*tan(theta)=2 How do you get 0? Thanks for your help.

    asked by Sally
  102. Science

    A football player makes a tackle to stop a touchdown.What will happen to the offensive player?What law of motion applies and why?

    asked by Emily
  103. chemistry

    2. 50.0 mL of 1 M NaOH(aq) and 50.0 mL of 1 M HNO3(aq), both initially at 18.6°C, were mixed in a Styrofoam cup calorimeter. The temperature of the solution rose to 25.4°C. How much heat was released? Assume that the heat capacity and density of the

    asked by owen
  104. physics

    A football player makes a tackle to stop a touchdown.What will happen to the offensive player?What law of motion applies and why?

    asked by Emily
  105. physics

    A car is moving down a straight road.Suddenly a cat jumps in front of the car.The driver slams on the breaks and the passenger goes flying forwards.Why?What law of Newton applies to this situation?

    asked by Emily
  106. Math

    A soccer field has a perimeter of 26 yards.if the width is 8 yards,how long is the length?

    asked by Aj
  107. Calculus

    y = 2 cos(5πx) .... whats the period?

    asked by Anonymous
  108. Specify a Period on the graph

    y = 2 cos(5πx) .... whats the period?

    asked by jay
  109. Standard Form

    Find the equation in standard form for the line that satisfies the given requirements. passing through (1, 5) and (2, 6)

    asked by jay
  110. Standard Form

    Find the equation in standard form for the line that satisfies the given requirements. horizontal line through (−8, −9)

    asked by jay
  111. find the equation

    Find the equation in standard form for the line that satisfies the given requirements. slope −3, x-intercept (8, 0)

    asked by jay
  112. Physics

    A bicyclist starts from rest and accelerates at 4 m/s^2 for 3 seconds. The cyclist then travels for 20s at a constant speed. How far does the cyclist travel? I got 138 m but I'm not sure if I'm right?

    asked by Swa
  113. chem

    Using the equation 2H2 + O2 ==> 2H2O, determine how many grams of water is produced when 29 moles of oxygen is consumed

    asked by erika
  114. Find the equation of the perpendicular line

    Find the equation of the perpendicular line passing through the midpoint of the line segment connecting (−2, 7) and (7, −1).

    asked by jay
  115. math

    Martha read 1/6 of her book on Saturday and 5/12 of her book on Sunday how many more pages do she have to read

    asked by crystal
  116. chem

    Using the equation 2H2 + O2 ==> 2H2O, determine how many grams of water is produced when 29 moles of oxygen is consumed

    asked by erika
  117. Math

    3+1/4*cos(theta)=13/4 Please help really confused. I was given the answer as 1 but how do I figure it out. I know you are suppose to subtract 3 from both sides but how do i do that with the 13/4?

    asked by Haley
  118. Physics

    Two parallel plates, each charged equally and oppositely to the other, are separated by 3.6000 cm. A proton is let go from rest at the positive plate's surface and, at the same time, an electron is let go from rest at the negative plate's surface. What is

    asked by Impossible
  119. Math

    What is the greatest odd number less than 250 ? Exlplain how you know.

    asked by Mariah
  120. physics

    The positive and negative plates of a parallel-plate capacitor have an area of 1.05 cm by 1.05 cm. Their surface charge densities are +1.00×10-6 C/m2 and -1.00×10-6 C/m2, respectively. A proton moving parallel to the plates enters the middle of the space

    asked by Henry
  121. Geometry

    If each of the sides of an isoceles triangle is 5 x the size of the baseline and the perimeter of the triangle is 121 cm, how many centimeters is each of the sides of the triangle? I have the sides at 50 cm and the base at 21cm. ?

    asked by Lucas
  122. Math

    2:x and 12:18 identify the value of x that makes each pair of ratios equivalent A.(3) B.4 C.6

    asked by Help I need somebody not just anybody
  123. Math

    Which numbers make the equation true? 47+___>70 a.10 b.20 c.30 I am extremely confused on how to assist my daughter in solving this, due to this being common core math. Could you please direct me on how to solve problems such as this? than you in advance

    asked by Mya
  124. Math

    There are 44 students and 6 adults attending a field trip to an art museum. What is the ratio of adults to children? 1.44:6 2.(6:44) 3.6:60 4.44:60

    asked by Help I need somebody not just anybody
  125. Chemistiy

    Arrange these acids from weakest to strongest: HClO2, HCN, HF, HCl Ik the order is : HCN < HF < HClO2 < HCl but how exactly does one come to that conclusion with no necessary given information (Ka values?). Is there a way to memorize? or a trick? to know

    asked by Stacy
  126. math

    find each product mentally.12*4 3/4

    asked by Lily
  127. Algebra

    A box contains blue and purple pens. There are 6 less than triple the number of blue pens as purple pens. A blue pen costs 20 cents and a purple pen cost 35 cents. The total value of all the pens is $37.90. How many of each colour pen is their?

    asked by Annabelle
  128. Math

    On a scale drawing, the scale is 1/4 inch = 1 foot. What are the dimensions on the scale drawing for a room that is 18 feet by 16 feet?

    asked by Suray
  129. Math

    which of the following ratios are equivalent 5/20? Choose all that apply. A. (1/4) B. 1/5 C. (20/100) D. 25/100

    asked by Help I need somebody not just anybody
  130. Math

    There are 3 boxes of tangerines. Each box has 93 tangerines. The tangerines will be divided equally among 9 classrooms. How many tangerines will each classroom get?

    asked by Tiffany
  131. math

    find each product mentally 6*4.4

    asked by Lily
  132. Math

    Find the value that makes the pair of ratios equivalent 1. 8 2.(7) 3.6 4.5

    asked by Help I need somebody not just anybody
  133. math

    Leah has two same size rectangles divided into the same number of Equal parts. One rectangle has 1/3 of the parts shaded and the other has 2/5 of the parts shaded. What is the least number of parts into which both rectangles can be divide?

    asked by diana
  134. medical termonolgy

    what are advantages and disadvantages of using medical terminology?

    asked by deb
  135. Physics (9th)

    Sasha is driving straight and notices an antelope in the road a ways off. Determine the stopping distance (from the time she sees the antelope) for her car with an initial speed of 95 km/hr and an acceleration of -4.0 m/s2. Sasha's reaction time to start

    asked by Jay
  136. economics

    given the following information, calculate nominal GDP, real GDP, and the percentage increase in year two. Be sure to label the answers. Describe what is taking place in the economy. In the base year, 10 new cars were sold at $7,000 each, 20 new office

    asked by A
  137. 6th Grade Social Studies

    What was the main effect of the repeated exiles of the Jews?

    asked by Anonymous
  138. physical science

    How much heat is absorbed by a 30g iron skillet when its temperature rises from 24oC to 93oC? Joules do i addition everything?

    asked by jake
  139. Science

    The fruit of an oak tree is called an acorn. You observe a squirrel gathering and burying acorns. Several months later, you observe an oak seedling growing in the area where the squirrel buried an acorn. What conclusion can you draw about oak tree

    asked by Help I need somebody not just anybody
  140. Physics

    The output voltage and current of a transformer are determined by the A. number of turns in the primary and secondary coils. B. ferromagnetic material of the rings connecting the coils. C. strength of the DC current in the primary coil. D. direction of the

    asked by Saif
  141. Physics

    Sasha is driving straight and notices an antelope in the road a ways off. Determine the stopping distance (from the time she sees the antelope) for her car with an initial speed of 95 km/hr and an acceleration of -4.0 m/s2. Sasha's reaction time to start

    asked by Jay
  142. physics

    a brick is dropped form the roof of a building. On the way down it passes a 2m high window and is observed to pass from the top to the bottom of the window in 0.25s. (a) How fast was it moving when it passed the top of the window? (b)How far below the roof

    asked by Anthony
  143. Econ

    Washington's Production Possibilities Table (in tons) Product: A B C D E F Apples: 40 32 24 16 8 0 Bananas: 0 4 8 12 16 20 Oregon's Prudction Possibilities Table (in tons) Product: A B C D E F Apples: 75 60 45 30 15 0 Bananas: 0 5 10 15 20 25 Based on the

    asked by Abby
  144. Math

    A dessert recipe calls for2 1/2 cups of milk how. Many cups of milk are needed for 8 servings?

    asked by John
  145. Teacher aide

    Please help me does anyone know the questions for curriculum content in teacher aide?

    asked by Pam
  146. Physics

    Charge +Q = +7.10 nC is uniformly distributed along the right half of a thin rod bent into a semicirle of radius R = 3.60 cm, while charge −Q = −7.10 nC is uniformly distributed along the left half of the rod. What is the magnitude and direction of the

    asked by Gordon
  147. Math

    WebWork = 28% Four exams = 6% each A final = 28% Labwork = 20% Suppose you obtain 100 percent credit on all WeBWorK assignments for this class. What is the minimum average percentage on the exams and labwork that will still get you an A in this class?

    asked by Jamie
  148. Chemistiy

    Sb forms more than one type of ion. List two possible ions this atom forms and explain why they occur. Would it have to do something how in its electron configuration it ends of with 5p^3 meaning it is half full and half empty? Help me out please i am

    asked by Stacy
  149. English

    1. Violence on television is more of a recent problem. (What other similar expressions can we use instead of 'more of'? Do you use 'more o' often?) 2. There is only so much (that)you can read in magazines and newspapers. (Can we insert 'that' in this

    asked by rfvv
  150. Math

    Mrs.Johnson baked 2 dozen cookies. Two third of the cookies were oatmeal . How many oatmeal cookies did Mrs. Johnson bake

    asked by Camelia
  151. physics

    How much heat is absorbed by a 30g iron skillet when its temperature rises from 24oC to 93oC? Joules do i addition everything?

    asked by jake
  152. Math

    The dressmaker has 3/8 yard of fabric. She needs a total of 3/4 yard for a vest. How much more fabric does she need?

    asked by Miranda
  153. Math

    How do you find P if A=1/2a+P, and you have both the values of a and A?

    asked by Mary
  154. Pre-Algebra

    I need help on a word problem because it doesn't have enough numbers to work with. So here it is: There are 19 animals in the barn. Some are geese and some are oxen. There are 56 legs in all. How many of each animal are there? So, for the first equation, I

    asked by Help
  155. English

    Like, I know someone that has to watch TV every night before he sleeps in order to wind down. ------------------------ Q1. Does 'Like' mean 'You know' or 'Guess what'? Q2. Does 'wind down' mean 'relax'? Dow you use those expressions frequently?

    asked by rfvv
  156. Math

    The cost of producing x units of a product is given by C(x)=800+120x−120ln(x),x≥1. Find the minimum average cost, which is defined as C(x)/x (the total cost divided by the number of units). Minimum Average Cost =

    asked by Zach
  157. Math

    A company runs food service concessions for sporting events throughout the country. Their marketing research department chose a particular football stadium to test market a new jumbo hot dog. It was found that the demand for the new hot dog is given

    asked by Bob
  158. Math

    Plot points on the number line to represent all values that round to 500 when rounded to the nearest hundred and 450 when rounded to the nearest ten

    asked by Paige
  159. Pre-algebra

    ughhhhhh! PA is so hard! my teacher is constantly comparing us to the regular math saying that if we can't figure it out then we should ask them. What does that even mean? we are more advanced! anyway... this website helps so much. Im definitely going to

    asked by Julia
  160. Math

    Where do I insert parentheses to make this number sentence true: 6 X 4 - 2 x 5 + 6 / 2 =16

    asked by Mmw
  161. Calculus

    A manufacturer buys $280,000 worth of machinery that depreciates linearly so that its trade-in value after 10 years will be $30,000. Express the value of the machinery (V) as a function of its age (t).

    asked by jaaaay
  162. Physics

    Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 17 m/s at an angle 34 degrees; with respect to the horizontal. Sarah catches the ball 1.5 meters above the ground. 1) what

    asked by Yolanda
  163. chemistry

    Ethanol has an enthalpy of evaporation of 38.6kJ/mol, and a normal boiling point of 78.4oC. What is the vapor pressure of ethanol at 15oC? Hint: the normal boiling point is when the vapor pressure reaches 1 atm. Use, . Pay attention to use right units

    asked by KO
  164. Physics

    If the current in a wire is directed upward, what is the direction of the magnetic field produced by the current? A. in the same direction as the current B. in the opposite direction to the current C. clockwise D. counterclockwise I think it is A,is that

    asked by Anonymous
  165. Calculus

    Find all the values of (x) in the interval [0, 2Pi], such that sec^2 (x) = 4

    asked by Severin
  166. Math

    Factor and find all zeros. One factor has been given. f(x)= x^3+9x^2+23x+15; x+5

    asked by Emma
  167. ELA

    Underline the verb or verb phrase in each sentence and then identify whether it is an action verb or a linking verb. 1.) The hard-working plumber was early. 2.) Those secretaries appear very busy this afternoon. 3.) The cab driver was driving extremely

    asked by Diane
  168. Calculus

    Compute F'(-4) where F(x) = x^3 + X^2 (using the definition of the derivative)

    asked by Justine
  169. 6 grade math

    Coordinates are of the shape :of part a and b show these coordinates : (-2,-4), (-2,4), (2,4), (2,'4) Problem c: should I use a new figure or I can continue with same shape as part a and b . So how do I enlarge the shape: Draw a figure that is enlarge by a

    asked by Jessica
  170. Calculus

    Find two non-intersecting intervals where f(x) +12x^4 + 50x^3 + 80x^2-100 has at least one root. Justify your answer.

    asked by MArc
  171. Math

    chris cuts boards that are 2/3 feet long. He has a 7/9 foot long board of wood. How many yards can he cut?

    asked by Sam
  172. Econ

    If the rate of inflation is 4% per year, how long will it take for prices to double?

    asked by Em
  173. Math

    Simplify: (8-5)^2 x 3-8 divided by 2

    asked by Diane
  174. Math

    Factor and find all zeros. One factor is given. f(x)= 6x^3+7x^2-1; 2x+1

    asked by Emma
  175. Math

    Use the remainder theorem to evaluate f(k), then determine if k is a factor. f(x)=10x^3-41x^2+32x+20; 5/2

    asked by Beth
  176. Math

    Barbara is tiling her craft room floor with square tiles. She wants 6/10 of the square tiles be red. If she uses 18 red tiles,how many square tiles will be used to cover the floor?

    asked by Anonymous
  177. Chemistry

    How many grams of AlCl3 are produced when 53.0 g of Al reacts?

    asked by Belle
  178. physics

    Two cars (A and B) of mass 1.1 kg collide. Car A is initially moving at 18 m/s, and car B is initially moving in the opposite direction with a speed of 9 m/s. The two cars are moving along a straight line before and after the collision. (Enter the

    asked by jake
  179. Chemistry

    How much energy, in calories, does it take to convert 20.0 grams of solid water, at 0.0 degrees C, into liquid water, at 0.0 degrees C? (The enthalpy of fusion for H2O is 1.44 kcal/mol)

    asked by Jamie
  180. Math, Statistics

    If P(A)=.3 and P(B)=.45 find… P(A or B) if A and B are 1)mutually exclusive & 2)independent. Also, I need help understanding what independent and mutually exclusive means and what that does.

    asked by Jillian
  181. algebra

    A ball is dropped from a height of 30 feet and allowed to bounce until it comes to arrest each time the ball bounces it rebounds to 3/5 of its previous high after which bounce is the boss hi 10.8 feet. I understand the height gets shorter but is there a

    asked by Kayla
  182. maths

    In a triangle ABC,D and E are the mid points of BC and AD respectively.prove that the area of triangle ABC is four times to the area of triangle ABE

    asked by Mahaboob Basha
  183. physics

    An unstable nucleus with a mass of 18.0 ✕ 10-27 kg initially at rest disintegrates into three particles. One of the particles, of mass 5.0 ✕ 10-27 kg, moves along the positive y-axis with a speed of 9.0 ✕ 106 m/s. Another particle, of mass 7.4 ✕

    asked by jake
  184. Chemistry

    What intermolecular forces are responsible for neoprene's stretchiness?

    asked by AP Chem!
  185. CHEMISTRY

    The enthalpy of cimbustion for Octane vapor, C8H18, a component of gasoline, is -5512.0kJ/mol. a. Write the equation for the combustion of Octane, including the energy term. b. Calculate the energy change when 45g of Octane burn. c. Calculate the energy

    asked by cool
  186. Math 11 Foundations

    Last year, a local hockey association charged $10 a ticket and averaged 12000 in attendance in its 2000 capacity area. The committee calculated that for every $0.50 decreases in the price of the ticket, there would be 100 more tickets sold. what is the

    asked by Jason Keller
  187. English

    What is the meaning behind this quote: you've gotta dance like there's nobody watching love like you'll never be hurt sing like there's nobody listening and live like it's heaven on earth

    asked by Andy
  188. writing

    What is a example of a onomatopoeia for a butterfly?

    asked by Samantha
  189. Math 11 Foundations

    Sanchez has a garage on his property. He recently purchased a tractor and cannot fit in his garage. To store is new purcahse, he deices to attach a three-sided fence to one of the walls of his garage in order to save material. If Sanchez has 60 meters of

    asked by Maddi Donald
  190. Math 11

    You've been asked to assits with a grade-4 class who will be selling small boxes of wildflower seed mix for Mother's Day. You've been given a stack of construction paper 15cm by 20cm. You must instruct the calss to cut identical squares from each corner,

    asked by Kristie Dexter
  191. Math 11

    Cecile took a ferry to corss the St.Laurent River rom Sept-Iles, PQ to Matane,PQ a distance of 175km. She relizes that it's the same road distance from her home to her cottage in Godbout, PQ. By road, she averages 60km/h faster than the ferry and takes 5 h

    asked by Jackson Welch
  192. Math

    Roger needs to fill his exmpty fuel carried for an emergency delivery. He has to pumps that can fill the carrier in 2 hours when both used at the same time. Individually, one of the pumps takes 45 mintues less than the other to fill the empty carrier.

    asked by Hunter Cox
  193. mat

    A family left their house in two cars at the same time. One car traveled at an average of 7 miles per hour faster than the other. When the first car arrived at the destination after 5 & 1/2 hours of driving, both cars had driven 599.5 miles. If the second

    asked by smith
  194. writing

    What are two butterfly similes and metaphors that rhyme?

    asked by Samantha
  195. Math

    A field hockey tournament is to be held in Yellowknife, NWT. According to regulations, the field is 25 yds by 100yds. For officials, support group and team members, a uniform rectangular strip of manicured lawn is to be installed by a local business group.

    asked by Sabrina