Questions Asked on
January 16, 2014

  1. Physics

    A mechanic uses a chain and block to lift a 875-kg engine 4.00 m to the top of the garage. The downward force in the chain over the 4.00 m distance is 5.00 x 10^4 N. A) Calculate the work done in raising the motor B) How much useful work was done? C) What

    asked by Holly
  2. Math

    After Khalil gave Benjamin 3/5 of the rocks in his collection, Benjamin had 70 rocks. If Benjamin had 25 rocks in the beginning, how many rocks did Khalil have in the beginning?

    asked by Bryant
  3. Tech Ed

    Why is it important for schools and organizations to have an Acceptable Use Policy? A.It prohibits people from using the Internet B.It lets people know what is considered to be acceptable use of the Internet C.It makes it mandatory for people to use the

    asked by Eugene
  4. Tech Ed

    How are virtual field trips helpful in education? A.They let students visit locations through video and images that they might never be able to visit in real life. B.They let students pick up objects in real life C.They let students post their field trip

    asked by Eugene
  5. chemistry

    A student finds a rock on the way to school. In the laboratory he determines that the volume of the rock is 29.7 cm3, and the mass in 139.943 g. What is the density of the rock?

    asked by Anonymous
  6. English - help

    Which figure of speech os exemplified by lines 149-151 of the excerpt from The Odyssey, Part III? The slid his right hand down the cord and plucked it, / so the taut gut vibrating hummed and sang a swallow's note. A. Simile B. Metaphor C. Personification *

    asked by Cassie
  7. Math

    The market sold 24 heads of lettuce one morning. That afternoon 2/7 of the remaining heads of lettuce were sold. The number of heads left now was 1/2 of ye numbet the market haf at the beginning of yhe day. How many heads of lettuce were there at the

    asked by Patty
  8. Math

    The LCM of two consecutive numbers is greater than 200 and is a multiple of 7. Name the numbers. How do you figure this out?

    asked by Dakota
  9. Spanish

    I posted this yesterday and didn't get help. Now it is buried on the 3rd page. I am posting again. I hope that is ok. Are these correct? Complete the following statements with the correct form of the verb in parentheses. Some will be conjugated, while

    asked by James
  10. Physics

    A farmer drives a 0.100 kg iron spike with a 2.00 kg sledge hammer. The sledge hammer moves at a constant speed of 3.99 m/s until it comes to rest on the spike after each swing. Assuming all the energy is absorbed by the nail, and ignoring the work done by

    asked by Holly
  11. Math

    Given the line 4x - 3y = 12, what is the distance between it and the origin I know the answer is 2.4 but how do u do it

    asked by Bob
  12. Maths (Tangents and Normals)

    find the values of p and q if slope of the tangent to the curve xy + pq + qy = 2(1, 1) is 2

    asked by Sykox
  13. Language Arts

    Okay, here is my outline. Do you have any suggestions? Is it okay? I haven't done many of these before. Eighth grade, btw, if it makes any difference in judging or anything. I: Thesis: Despite the fanciful legends, Blackbeard was truly the fiercest and

    asked by Larkin
  14. Tech ed

    Which of the following rules is most likely to be used in an A.U.P.? A. Communication should be civil and respectful of one another B. Private files can be viewed without permission from the owner C. Proper credit to the source is not necessary if the

    asked by Eugene
  15. Physics

    A 599 g piece of silver at 150 degrees C is submerged in 1000 g of water at 5 degrees C to be cooled. Determine the final temperature of he silver and water given Heat capacity of water= 4.18 x 10^3 j/kg degrees C Heat capacity of silver= 2.49 x 10^2 j/kg

    asked by Holly
  16. Math (last question I swear!)

    Leroy is 6.5 ft tall and standing on a bridge. He looks down with an angle of depression of 31 degrees towards a boat traveling east. He then turns around and looks down with an angle of depression of 24 degrees towards a boat traveling west. If the boats

    asked by Cassie
  17. MATH

    Complete the pattern 1,1,4,25,______, 749956 A 625 B 1375 C 741 D 841

    asked by Anonymous
  18. Physics

    Three objects with masses m1= 36.5 kg m2= 19.2 kg m3= 12.5 kg Are hanging from massless ropes that run over a frictionless pulleys. If the system is released from rest, what is the magnitude of the acceleration in m/s^2 of mass m1? ___________________ O O

    asked by Holly
  19. PHYSICS

    5 kg cart is at the bottom of a 10 m hill. For the cart to reach the top of the hill, what is the minimum kinetic energy of the cart?

    asked by .
  20. Math/Physics

    The Milky Way Galaxy is 100000 light years across. The Sun is located about 30000 light years from the galactic center and revolves around it with a period of 2e8 years. All the stars inside the sun's orbital radius is to be concentrated at the galactic

    asked by Haff
  21. Physics

    A 1.25 kg skateboard is coasting along the pavement at a speed of 5.04 m/s when a 0.640 kg cat drops from a tree vertically downward onto the skateboard. What is the speed of the skateboard-cat combination? Answer in units of m/s Your answer must be within

    asked by Cooper
  22. History8

    Which of the following statements about John C. Calhoun is TRUE? a. He supported strong central government. b. He opposed the War of 1812. c. He was a close ally of Daniel Webster. d. He supported slavery. a?

    asked by mathidislikeperson
  23. Math

    Kyle is training for a bike race. He rides 5 miles one day, 10 miles the next day, and 15 miles the third day. If Kyle repeats this schedule, what is the total distance he will have ridden after 5 days?

    asked by Chris
  24. basic electronics

    What would happen if the two pith balls shown in Figure A-1 were held together for a few moments, then released? A. The charge would leak off and the pith balls would hang straight down. B. The pith balls would each receive a negative charge and they would

    asked by ed
  25. chemistry

    how many grams of CH4 (methane) must be burned to form 82.6g of H2O? equation: CH4+O2----> CO2+H2O

    asked by frances
  26. 8gradeHistory

    Which of the following is the BEST interpretation of the Supreme Court decision in McCullough v. Maryland? a.The federal government cannot tax state institutions. b. States have no power to control federal institutions within their borders. c. States can

    asked by mathidislikeperson
  27. maths-check my answers

    Please check my answers 1) make c the subject of the formula a=b+cd----------b-a/d=c 2) make t the subject of the formula u=v+2t----------u-v/2=t 3) make n the subject of the formula m=3n+5--------m-5/3=n 4) make z the subject of the formula

    asked by Anonymous
  28. science help asap!!!

    Hi, can someone check my answers asap!!? i am on a deadline!! 1. What doe the notation TT mean to geneticists? (1 point) two dominant alleles heterozygous alleles at least one dominant allele one dominant and one recessive allele 2. An organisms genotype

    asked by TTR+S<3
  29. math

    ann uses three 1/4 size strips to model 3/4. She wants to use 1/8 size strips to model an equivalent fraction. how many 1/8 size strips will she need?

    asked by david
  30. chemistry

    how many grams of CH4 (methane) must be burned to form 82.6g of H2O? equation: CH4+O2----> CO2+H2O

    asked by jocelyn
  31. physical sciences

    Two forces of 5N and 7N respectively act on an object. (A)when will the resultant of the two vectors be at a maximum? (B)when will the resultant of the two vectors be at a minimum? (C)what are the maximum and minimum resultant of the two forces?

    asked by fortunate
  32. Maths- yr 5

    Tom spent 1/5 of his money and 1/4 of the remainder on a magazine. He had $25.80 left. How much was the magazine? A $5.10 B $6.45 C $8.60 D $7.80

    asked by LARA
  33. physics

    A metal sphere hangs from a string and has 2 kg of mass. The sphere has a charge of +7.1 µC. A uniform electric field is turned on and directed to the right.

    asked by Donna
  34. Algebra 1 Word Problem (Reiny)

    How am I supposed to solve this? "Sandy makes $2 profit on every cup of lemonade that she sells and $1 on every cupcake that she sells. Sandy wants to sell at least 5 cups of lemonade and at least 5 cupcakes per day. She wants to earn at least $25 per day.

    asked by Anonymous
  35. MATH Fractions

    Suppose there are 2 pieces of the cake left over,but you don't know how many pieces were in the whole cake. Explain how you could find the number of pieces in the whole cake if Taylor told you 1/6 of the cake was left. You may show your work in a drawing.

    asked by Camille
  36. science !!! help

    please answer these 4 questions about since I know nothing about this. 1. A box of cleaning supplies weighs 15n.if the box is lifted a distance of 0.60m,how much work is done? A. 0.040 j B.9 j C.14 j D.25 j 2.to chop wood you apply 50.0n of force to an ax.

    asked by Matt
  37. Math

    Two boats start out from the same dock traveling at 9 mph and 12 mph respectively. The boats travel in slightly different directions and after 20 minutes are 2 miles apart. What is the angle that is formed by the paths of the two boats? I don't know how to

    asked by Cassie
  38. MS. SUE - MATH HELP PLEASE

    The sum of five times a number and twice a second number is 18, but the difference of three times the first number and seven times the second number is -22. Find the two numbers using the elimination method.

    asked by Katalina
  39. science

    check answers 1. A box of cleaning supplies weighs 15n.if the box is lifted a distance of 0.60m,how much work is done? A. 0.040 j B.9 j C.14 j (I PICK THIS) D.25 j 2.to chop wood you apply 50.0n of force to an ax. The ax applies 600.0n of force to the

    asked by Matt
  40. math please help Ms.Sue

    The team practices in a pool that is 25 meters long. Sam completes a lap in 22.5 seconds. How long will it take Sam to complete a lap in an Olympic-sized competition pool that is 50 meters long if he swims at the same rate in both pools? (A lap consists of

    asked by Anonymous
  41. Finite Math

    A person invests $2000 annually in an IRA. At the end of 6 years, the amount in the fund is $14000. What annual nominal compounding rate has this fund earned?

    asked by Lynn
  42. Chem 1510

    A urine sample has a mass of 157 g and a density of 1.030 g/mL. What is the volume of this sample?

    asked by Anonymous
  43. Chem 1510

    A urine sample has a mass of 157 g and a density of 1.030 g/mL. What is the volume of this sample?

    asked by Anonymous
  44. chemistry

    A sulfuric acid solution containing 571.8gg of H2SO4 per liter of solution has a density of 1.329 g/cm3 Calculate the mole fraction of H2SO4 in this solution.

    asked by jordan
  45. Chem 1510

    A urine sample has a mass of 157 g and a density of 1.030 g/mL. What is the volume of this sample?

    asked by Anonymous
  46. Algebra 1 (Reiny)

    How am I supposed to solve and graph this? "Linda works at a pharmacy for $15 an hour. She also babysits for $10 an hour. Linda needs to earn at least $90 per week, but she does not want to work more than 20 hours per week. Show and describe the number of

    asked by Anonymous
  47. Phy. Ed

    What is weight transfer in exercise?

    asked by Anonymous
  48. Math

    Can you show me how to work this out? Tom and 7 friends want to share 2 liters of milk equally.

    asked by Rocco
  49. Math

    (100, 18,000) (200, 37,000) (300, 48,000) (400, 66,000) Write an equation for the line that models the data.

    asked by Chansyla
  50. SCIENCE(CHECK ANSWER)

    how does the use of a golf club make it easier to move a golf ball from its starting position to a hole 250 yards away? A.the golf club reduces the distance over which the input force is applied B.the golf club reduces the input force needed.(I PICKED

    asked by Matt
  51. Science

    Relationship between heredity and traits

    asked by Jerald
  52. math

    Jessica is swimming in the 500 meter race. It takes her 1 minute and 35 seconds to swim one lap in an Olympic sized pool(it's only 50 meters long). How long will it take her to swim the 500 meter race?

    asked by Anonymous
  53. Math

    I have another problem that I don't know how to solve. A car travels along a straight road, heading east for 1 hour, then traveling 30 minutes on another road that leads northeast. If the car had maintained a constant speed of 40 mph, how far is it from

    asked by Cassie
  54. Physics

    A track is mounted on a large wheel that is free to turn with negligible friction about a vertical axis. A toy train of mass m = 0.140 is placed on the track and, with the system initially at rest, the train's electrical power is turned on. The train

    asked by Josh
  55. Math

    If the height in centimeters of five students are 176,112,160,158 and 158,find the median and mode height for this group of five students.

    asked by Kirandeep
  56. Math

    The heights off the starting five players on a high school basketball team are 77'',72'',69'',74'',and 77''.what is the median height of these players?

    asked by Kirandeep
  57. Physics

    A microwave rated at 1000 W heats a 500 g glass of water from 10 degrees C to 55 degrees C in 2 minutes. Determine the efficiency of the energy transformation.

    asked by Holly
  58. Physics

    An elevator motor provides 45.0 kW of power while lifting a 2000 kg elevator 35 m. If the elevator contains six passengers of the same mass and it takes 20.0 s to accomplish this task, determine the mass of each passenger. Assume the system is 83 %

    asked by Holly
  59. Physics

    Three objects with masses m1= 36.5 kg m2= 19.2 kg m3= 12.5 kg Are hanging from massless ropes that run over a frictionless pulleys. If the system is released from rest, what is the magnitude of the acceleration in m/s^2 of mass m1? ___________________ O O

    asked by Holly
  60. Chemistry Check Please!

    A solution is prepared by dissolving 3.44 g of sucrose, C12H22O11, in 118 g of water. a) What is the molality of the resulting solution? b) What is the mole fraction of water in this solution? B) moles of h2o=118g/18(g/mol)=6.5556 mol moles of c12h22O11=

    asked by Kate
  61. Biology

    Describe how the muscle work in the human body

    asked by Gela
  62. Biology

    Differentiate the three classifications of muscles

    asked by Gela
  63. Studies In The American Novel

    1) Pamela is the first American Novel True or false? 2) The early American novels of sentiment dealing with domestic situations True or false? 3) Many of the early novels were written in the form of letters True or false? 4) John Steinbeck's fiction has

    asked by Kevin
  64. Biology

    Discuss the classifications of muscles according to their actions

    asked by Gela
  65. Biology

    Explain the differences between voluntary and involuntary muscles

    asked by Gela
  66. Biology

    Explain the relationship among muscles, bones and joints

    asked by Gela
  67. math

    What dose 2/4 simplify to

    asked by cookie crazy
  68. history

    what is cold war?

    asked by nonhle
  69. life science

    define the name molecul?

    asked by nonhle
  70. Math

    if a 6 foot man casts an 8 foot shadow what is the height of the building that casts a 72 foot shadow

    asked by Melvin
  71. Maths (Tangents and Normals)

    find the points on the curve [(x^2 )+ (y^2) = 18] at which the tangents are parallel to the line x+y = 3

    asked by Sykox
  72. microbiology

    Show and explain the vertical displacement of a particle, a distance from the origin for a wave travelling from negative direction.

    asked by tera
  73. Science?

    I'm doing a science experiment where I have to light an object on fire to do the experiment.. It can't be oil or electrical fire. So I need some objects I can light on fire. Such as a candle. But I can't use this one

    asked by Krystal
  74. Maths (Tangents and Normals)

    curve y = (x^2) - 4x + 5 is tangent perpendiculat to the (line = 2y + x - 7 = 0)

    asked by Sykox
  75. Spanish Help please

    1. Mamá, me quité la ropa vieja y sucia. Ahora llevo la ropa nueva que me compraste. ¡Qué guapo _______ hoy, Julio! A. eres B. eras C. estás D. fuiste I said C 2. Cuando estoy muy cansado, no me gusta usar la escalera. Prefiero usar ________. A. la

    asked by Eri Uchi
  76. Writing

    what is a good opening sentence to a short story? no matter what genre im writing? plz help me. from a girls point of view.

    asked by Megan
  77. physics

    two forces 5N and 7N act on an object respectively.When will the resultant of the two vectors be at a maximum?

    asked by siphosethu
  78. Biology

    Can you give me a website to go on to go over how to know whether you double or half the number of chromosomes given in a scenario? Thank you so much! I have a quiz tomorrow and I need all the help I could get!

    asked by Anonymous
  79. Lang Arts

    Need help determining if the word became is used as an action or linking verb in the sentence: Two years later my uncle became a judge. Thanks..

    asked by Brandi
  80. Earth Science

    Analogy: melting is to freezing as partial melting is to _______? a. partial freezing b. magma. c. boiling. d. fractional crystallization.

    asked by alex
  81. Geometry - 8th grade

    Well, I am trying to get geometry polygons and angles, but it's really hard to understand what to do. I'm not one to exaggerate and say I'm dying, but I'm pretty desperate for some help. If someone could explain the basics in simple terms or even post a

    asked by Larkin
  82. Math

    A carpenter has several boards of equal length. He cuts 3/5 of each board. After cutting the boards, the carpenter notices that he has enoughpieces left over to make uo the same length as 4 of the original boards. How many boards did the carpenter start

    asked by Glen
  83. science

    disturbance of an ecosystem by human activity often has negative effects on the number of species, which is a measure of its

    asked by indya
  84. Physics

    Bryan tosses a 75.0 g rock into the lake. the rock leaves hus hand at a height of 175 cm above the ground travelling at 19.0 m/s. How high above the ground will the rock travel if it us accidentally bryan tosses a 75.0 g rock into the lake. The rock leaves

    asked by Holly
  85. Physics 212

    The armature of an ac generator has 100 turns. Each turn is a rectangular loop measuring 8.0 cm by 12 cm. The generator has a sinusoidal voltage output with an amplitude of 24 V. If the magnetic field of the generator is 250 mT, a) With what frequency does

    asked by Damien
  86. Physics

    Bryan tosses a 75.0 g rock into the lake. The rock leaves hus hand at a height of 175 cm above the ground travelling at 19.0 m/s. How high above the ground will the rock travel if it is accidentally thrown straight up? How high above the water will it

    asked by Holly
  87. science

    what steps in meiosis are similar to steps of mitosis

    asked by aby
  88. Science - 7th grade

    Is radiation damaging to the health of humans? If so, in what way/ways? My answer is: Yes, radiation though helpful in treating certain diseases is damaging to the health of human beings in many ways one of which being that it mutates our DNA and is

    asked by Sara
  89. History8

    The Supreme Court ruled that the ____________________ was unconstitutional. a.Tariff system b. American System c. slavery d. all of the above d?

    asked by mathidislikeperson
  90. Maths lits,business studies,life science,geography

    Hy,i jst want to ask what i could become if i do these subject

    asked by Nombu
  91. Global studies

    On the CIA World Factbook, there is a section for "export earnings." Is this the money earned from exports per year or of all time or something else? I'm quite confused. Thanks!

    asked by Anonymous
  92. math

    the Pearson r and Spearman rho corretation coefficients are related. Is this statement correct?

    asked by Edna
  93. science/math

    A car traveling at the speed of 30.0 m/sec encounters an emergency and comes to a complete stop. how much time will it take for the car to stop if its rate of deceleration is -4.0 m/sec

    asked by christina
  94. Environmental Studies

    illustation of Watercycle

    asked by Ridhima
  95. English

    When a piece of clothing is SPLICED, what has happened to it? a. it has been completely worn out b. it has been washed and dried c. it has been burned in fire d. it has been cut into strips B? An ORATOR entertains people by a. dancing b. singing c. acting

    asked by Anonymous
  96. physics

    Suppore the ceiling in the previous problem is that of an elevator which is going up with an acceleration of 2.0 m/s square. Find the elongations.

    asked by md hashim
  97. Phyics

    A π- ("pi-minus") particle, which has charge -e, is at location ‹ 3.00e10-9, -2.00e10-9, -3.00e10-9› m. What is the electric field at location < -3.00e10-9, 3.00e10-9, 4.00e10-9> m, due to the π- particle?

    asked by Jaden
  98. Physics

    An antiproton (same mass as the proton, charge -e) is at the observation location. What is the force on the antiproton, due to the π-?

    asked by Jaden
  99. Language Arts~!

    * Trying to laugh as quietly as possible,* Lucas snuck out of the kitchen. prepositional phrase gerund phrase participial phrase appositive phrase * Singing loudly in the shower* is what Jessica loves to do every morning. gerund phrase participial phrase

    asked by Gabby
  100. English

    What are some good insight questions for A Separate Peace? Some topics can include: Wroter's craft Setting POV

    asked by Em
  101. Tech Ed

    How can simulations be used in education? A.They allow people to touch a real item through the computer B.They provide a realistic experience that students may not get in real life C.They substitute games for learning D.They make games real My answer B?

    asked by Eugene
  102. science

    Tell what you believe would happen if the earth suddenly stopped spinning and you were in the part of the world that had 24 a day.Include such things as how this would affect your sleep, work, school and crime?

    asked by Anonymous
  103. Tech Ed

    Which of the following is a benefit that education simulations do not provide? A.They use real objects that can be physically touched B.They allow you to manipulate the objects by turning them around virtually. C.They can use 3-D movement and objects

    asked by Eugene
  104. SS

    What are two important unifying forces in central asia? HELP ME PLEASE!!!

    asked by Vivi
  105. Test-Taking Strategies

    Please check my answers! Please Check if they are wrong please tell me! Thanks! Only 2 questions! 1: Which of the following is a good way to approach answering an essay question and a test? a.) Start writing your answer as soon as you have read the

    asked by Cindy
  106. trig

    simplify (1-cot^2x sec^2x) / ( cot^2x)

    asked by Lola
  107. trig

    simplify (1-cot^2x sec^2x) / ( cot^2x)

    asked by Lola
  108. physical sciences

    Two forces of 5n and 7N respectively act on an object. (A)when will the resultant of the two vectors be at a maximum? (B)when will the resultant of the two vectors be at a minimum? (C)when are the maximum and minimum resultantof the two forces?

    asked by fortunate
  109. maths-check my answer

    change the subject of the formula make x the Subject of the formula y = 1/2 x + 1 -2 from both sides y-2 = 1/2 x ÷ by 1/2 from both sides y-2/1/2 = x

    asked by Anonymous
  110. Math ~ Check Answers ~

    Please Check My Answers. 1: Solve each inequality. m – 7 < 6 a. m < - 1 b. m > 1 c. m < 13 d. m < -13 2: Solve each inequality. p + 12 > 9 a. p > 21 b. p > 3 c. p > -21 d. p > -3 My Answers: 1: b. m > 1 2: a. p > 21

    asked by Cindy
  111. math(check answers please)

    please check my answers and thanks have a nice day. 2.which of the following ratios is equivalent to 5/20 A.1/4(I PICKED THIS) B.1/5 C.20/100 D.2/5 3.which of the following ratios is ((NOT)) equivalent to 4/8? A.1/2 B.2/4 C.20/45(I PICKED THIS) D.12/24

    asked by Matt
  112. maths-check my answers

    change the subject of the formula make x the Subject of the formula y = 1/2 x + 1 -1 from both sides y-1=1/2 x ÷ by 1/2 from both sides y-1 over a 1/2 = x

    asked by Anonymous
  113. english

    In which of the following sentences is the underlined word an object pronoun? A. You really should apologize to her. B. I would like you to listen to me. C. We returned our books to the library. D. I gave her a gift for her birthday

    asked by job corp
  114. Phy. Ed

    I have to do two physical activities. The second activity should be one that would improve my performance in the first one. Does anyone have any ideas of activities I can do at home?

    asked by Anonymous
  115. matt

    can anyone please answer these?? 1. 2:x and 12:8 A.3 B.4 C.6 2. 5:15 and x:3 A.5 B.3 C.1 3. x:4 and 45:20 A.8 B.9 C.10 4. 21 to x and 7 to 10 A.24 B.30 C.40 5. x to 50 and 16 to 25 A.32 B.34 C.41

    asked by Matt
  116. Language arts help!! ms sue.

    1. A synonym for factor is _____. (1 point) hinder eliminate influence mimic 2. In this article, many kids are quoted on their opinions about popularity. They talk about what in-crowds are like. One middle school student admits, “Lately, I have been

    asked by josh
  117. science/writing

    How are stink bugs harmful to crops?

    asked by Ashley
  118. MATH Fractions

    Taylor baked a cake to serve after dinner. Suppose she cut the cake into 8 equal size pieces and 6 people ate all the pieces. Explain how they could have divided the pieces so that everyone ate the same amount of cake. You make show your work in a drawing.

    asked by Camille
  119. math

    please answer these please??(studyguide) 6. 6 to 8 and 18 to x A.20 B.22 C.24 7.9/36 and x/4 A.1 B.4 C.9 8.42/22 and 21/x A.12 B.11 C.10 9.x/7 and 5/1 A.25 B.30 C.35 10.20/x and 4/8 A.35 B.40 C.48

    asked by Matt
  120. Math ~CHECK MY WORK~

    With stars are my answers. Please check them if they are wrong please tell me the right ones. Number 1 (the bottom one) I don't get it so please help me with that one please! 1) You have $60 in your wallet and want to buy some new CDs. If the CDs are $11

    asked by Wendy
  121. Pre-Algebra

    You have $60 in your wallet and want to buy some new CDs. If the CDs are $11 each, what number of CDs, x, can you buy? Write and solve an inequality. Then explain your answer.

    asked by Ed
  122. Math

    Find four ratios equivalent to 30%

    asked by Justin
  123. Help - MATH

    The perimeter of a square is four times the length of one side. What is the graph of this relationship?

    asked by Katalina
  124. chemistry

    The best means of personal protection from radiation for emergency responders is the implementation of three basic principles: time, distance and shielding. Please show your work when answering the following questions: a. Using the inverse square law of

    asked by Brenda
  125. Physics

    A mechanic uses a chain and block to lift a 875-kg engine 4.00 m to the top of the garage. The downward force in the chain over the 4.00 m distance is 5.00 x 10^4 N. How much useful work was done? Thannnkkks :)

    asked by Holly
  126. Math ~CHECK MY WORK~

    You have $60 in your wallet and want to buy some new CDs. If the CDs are $11 each, what number of CDs, x, can you buy? Write and solve an inequality. Then explain your answer. My Answer: 11x

    asked by Wendy
  127. math

    The team practices in a pool that is 20 meters long. Sam completes a lap in 22.5 seconds. How long will it take Sam to complete a lap in an Olympic-sized competition pool that is 50 meters long if he swims at the same rate in both pools? (A lap consists of

    asked by Anonymous
  128. math

    Solve the linear equation: x+x+2+x+4+x+6=-28. State the property that justifies your first step and why you chose it. When I solved the equation I got the answer of ×=-10. However, I do not know what the property I need to state for my first step. Isn't

    asked by Samantha