Questions Asked on
January 27, 2016

  1. calc 1

    If a ball is thrown in the air with a velocity 50 ft/s, its height in feet t seconds later is given by y = 50t − 16t^2. (a) Find the average velocity for the time period beginning when t = 2 and lasting 0.5 second 0.1 second 0.05 second 0.01 second i

    asked by feather
  2. Math

    which of the following can represent the measure of the three angle in an acute triangle? A. 59, 61,62 B. 30, 25, 125 C. 56,72,52•• D. 90, 45, 45 Plz correct me!!

    asked by Samantha
  3. Wilson Elementary

    Molly uses 192 beads to make a bracelet and a necklace. It takes 5 times as many beads to make a necklace than it does to make a bracelet. How many beads are used to make a necklace. Please breakdown of step by step.

    asked by Amman
  4. L.A

    What sort of day does Emily Dickinson describe in ''The Sky Is Low, the Clouds Are Mean''?

    asked by Amber
  5. English

    Which of the following topics is the clearest example of the informative purpose? A. a short essay describing a recent trip to New Zealand*** B. a eulogy for a deceased friend C. a glowing movie review D. a dialogue between two char

    asked by Kaai97
  6. Physical Science

    QUESTION GIVEN---Thermal conductors don’t have to be hot to transfer heat. According to Ch.16, explain a situation when an ice cube would still transfer heat to another object it is in contact with. MY ANSWER---Because, the ice may be trying to transfer

    asked by cookiemonster
  7. English

    In Frost's poem "Mending Wall," the lines "I see him there,/ Bringing a stone grasped firmly by the top/ In each hand, like an old-stone savage armed" uses which poetic device? a. simile*** b. metaphor c. alliteration d. personification

    asked by Kaai97
  8. math

    Suppose that the population of deer in a state is 19,900 and is growing 3% each year. Predict the population after 10 years. (1 point) A.about 274,338 deer B.about 26,744 deer**** D.about 597,000 deer C.about 204,970 deer i need help i don't if i'm right

    asked by jess
  9. English

    There is nothing I want to do and too much that has to be done and momma's in the bedroom with the door closed The final lines of this excerpt are repeated three times throughout the poem "Hanging Fire." Which theme do they convey? a. anxiety about growing

    asked by Kaai97
  10. Pre-calculas

    Boat A leaves a dock headed due east at 1:00 PM traveling at a speed of 16 mi/hr. At 2:00 PM, Boat B leaves the same dock traveling due north at a speed of 18 mi/hr. Find an equation that represents the distance d in miles between the boats and any time t

    asked by Help Please
  11. English

    Choose the term that describes the type of sentence shown. The Cause Club, which is a community service group, is holding a dance. a. simple*** b. compound c. complex d. compound-complex

    asked by Kaai97
  12. Math

    5. What is the contrapositive of the following conditional: "If a student plays basketball, then the student is over 6 feet tall." A- If a student is over 6 feet tall then the student plays basketball. B - IF a student is not over 6 feet tall, then the

    asked by Tim
  13. English

    1. In "The Scarlet Ibis" which character trait of the narrator most leads to his regret at the death of his brother? a. generosity b. creativity c. cruelty d. pride*** 2. Cause - There is a concern about global warming and the damage it is doing to the

    asked by Kaai97
  14. maths

    The sum of the first n terms of an exponential series is 364. The sum of their reciprocal is 364/243. If the first term is 1,find n and the common ratio.

    asked by dannystein
  15. Math

    Someone answer all of this clearly, I don't get it at all. Suppose a ship is sailing at a rate of 35km/h parellel to a straight shoreline. The ship is 10km from shore when it passes a lighthouse at 11am. Question 6 options: a) Let k be the distance between

    asked by Chris
  16. history .

    How did northern and southern responses to the fugitive slave law affect their relationship? A.it deepened on fear and anger B.it deepened the commitment to compromise C.it encouraged northern commitment to end plantation life D.it encourage southern

    asked by sierra.
  17. Language Arts

    Excerpt from: Norse Mythology Part D Kate McConnaughey Then Loki, the spirit of evil, will break loose from the fetters with which the gods have bound him. (31) The frost giants join him. They will try to make a secret attack on the gods. But Heimdall, the

    asked by Marc
  18. math

    A fertilizer covers 3 4 square foot in 1 6 hour.

    asked by t
  19. MATH HELP

    Joseph borrowed a book from a library. The library charged a fixed rental for the book and a late fee for every day the book was overdue. The expression below shows the charges Joseph paid for the book when he returned it x days after the due date: 2 +

    asked by Oscar
  20. Art

    judging from this architectural structure, which of the following is not one of its main roles of art? A. creation of entertainment B. aesthetic representation C. financial incentive D. historical/ cultural representation what is the main role of this

    asked by Adri help ASAP
  21. English

    Which of the following is a complete sentence? a. Starting at four o'clock. b. The theater where rehearsals take place. c. Stage hands, props, and lighting crew. d. Hannah memorized her lines.***

    asked by Kaai97
  22. English

    In James Hurst’s short story “The Scarlet Ibis,” who or what does the delicate red bird symbolize? a. the narrator b. the narrator’s brother Doodle*** c. the inevitability of death d. the fragility of family relationships

    asked by Kaai97
  23. Math

    Which word best completes this statement? Adjacent angles are_______ congruent. A. Always B. Sometimes •• C. Never D. None of these Correct me

    asked by Tommy
  24. 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 Ayo
  25. English

    Which of the following sentences best reflects chronological order? a. George Washington Carver became known for his research on plant biology. b. He attended Simpson College from 1890, and enrolled in Iowa State Agricultural College the following year.***

    asked by Kaai97
  26. science

    why does the sun appear to move westward across the sky during the day? a) because earth rotates to the east b) because earth rotates to the west c) because the sun moves in a westerly direction d) because of the way you are looking into the sky

    asked by need help
  27. English

    What would be the least effective detail for a description about amusement park? a. Children sip lemonade and munch on popcorn. b. Tickets can be purchased in advance or at the entrance gate. c. All nine of the roller coasters have been tested for safety

    asked by Kaai97
  28. English

    "I thought myself pretty smart at many things, like holding my breath, running, jumping, or climbing vines in Old Woman Swamp, and I wanted more than anything else someone to race to Horsehead Landing, someone to box with, and someone to perch in the top

    asked by Kaai97
  29. civic

    what are the local civic problems

    asked by mohammed
  30. English

    Choose the term that describes the sentence shown. I was thinking about meeting Susan for dinner and then we could go shopping. a. compound*** b. simple c. complex d. compound-complex

    asked by Kaai97
  31. English

    A narrator who uses pronouns such as he, she, and they and knows all of the characters’ thoughts and actions is a. first person b. second person c. third person limited d. third person omniscient***

    asked by Kaai97
  32. science

    2. which of the following statements about the inner planets is true ? ( 1point ) A. they all have rings b. they have all abundant liquid water c. they all have many moons d. they are small and have rocky surfaces

    asked by Adri help ASAP
  33. math

    Write a real-world problem that you could represent with the equation 4x+5=37. Solve the equation to find the answer to your question.

    asked by gabe
  34. Chemistry

    If each balloon is filled with carbon dioxide gas at 20 degrees C and 1 atmosphere, calculate the mass and the number of moles of carbon dioxide in each balloon at maximum inflation. Use the ideal gas law in your calculation. The volume of the balloon at

    asked by Cindy Avalos
  35. L.A

    In ''Concrete Mixers,'' what seems to be the speaker's feeling about the concrete mixers?

    asked by Amber
  36. Pre-Calc

    How do you do this? A farmer has 336 feet of fencing and wants to build two identical pens for his prize-winning pigs. The pens will be arranged as shown. Determine the dimensions of a pen that will maximize its area.

    asked by Anonymous
  37. Math

    A swimming pool was filled with 600 gallons of water in 20 minutes. What was the rate at which the pool was filled A.25 gallons per minute B.30 gallons per minute *** C.50 gallons per minute D.150 gallons per minute A swimming pool was filled with 600

    asked by Rita
  38. physics

    a billiard ball rolling across a table at 1.50m/s makes a head on collision with an identical ball. find the speed of each ball after the collision;when the ball is at rest;when the 2nd ball ]is moving towards the first at the speed of 1.0m/s; when the

    asked by raquel
  39. English

    In "The Scarlet Ibis" which character trait of the narrator most leads to his regret at the death of his brother? a. generosity b. creativity c. cruelty d. pride***

    asked by Kaai97
  40. English

    The basket "that she is holding" is made from palm fronds. A. independent clause B. adjective clause*** C. adverb clause D. noun clause

    asked by Kaai97
  41. Chemistry

    Calculate the mass percent of water in the hydrate Al2(SO4)3·18H2O to four sig. figs. I got this answer 60.23, but I just am confused on how to correctly write the units

    asked by Anonymous
  42. Math

    intersecting lines (1 point)40¨¬ 50¨¬ •• 140¨¬ 180¨¬ 2. Which word best completes this statement? Adjacent angles are ___________ congruent. (1 point)always sometimes •• never none of these 3. Which angle is adjacent to ¡ÐAFB? angles (1

    asked by Tommy
  43. Biology

    What is the difference between tolerance range and optimum range in Biology?

    asked by Elizabeth
  44. English

    Choose the term that describes the type of sentence shown. The price of admission is a can of food or a child's toy. a. simple*** b. compound c. complex d. compound-complex

    asked by Kaai97
  45. Math

    1. Find the length of a diagonal of a rectangle ABCD with vertices, A (-3,1), B(-1,3), C(3,-1) and D (1,-3). A) 5.7 B) 6.3 C) 3.2 D) 4.5 Hello! I don't understand how to solve this question since the unit I just read barely went over this. If anyone could

    asked by Tim
  46. Health

    A main function of the skeleton system is to?

    asked by ?
  47. English

    "What are you crying for?" asked Daddy, but I couldn't answer. They didn't know that I did it for myself; that pride, whose slave I was, spoke to me louder than all their voices, and that Doodle walked only because I was ashamed of having a crippled

    asked by Kaai97
  48. AAMU

    a woman jogs for 2km at 8km/h and then walks for 2km at 6km/h. What is her average speed for the entire trip?

    asked by Anonymous
  49. math

    four angles are put together, forming a straight angle. two of the angles are the same size. the other two angles are also the same size but different from the other two. If one of the angles is 40 degrees, what are the measures of the other three? please

    asked by margarita
  50. Chemistry

    If each balloon is filled with carbon dioxide gas at 20 degrees C and 1 atmosphere, calculate the mass and the number of moles of carbon dioxide in each balloon at maximum inflation. Use the ideal gas law in your calculation. Someone please let me know the

    asked by Cindy Avalos
  51. Health

    Which statement defines your righs as a consumer? 1 the right to information, 2 the right to consumer protection by the government, and 3.... The right to complain. The right to avoid fraud. The right to evaluate claims. The right to not pay. (MY ANSWER)

    asked by LOVE
  52. Science HELP!

    2:What is the genetic code? A:The order of amino acids in proteins makes up the genetic code. B:The order of amino acids in mRNA makes up the genetic code. C:The order of nitrogen bases in tRNA makes up the genetic code. D:The order of nitrogen bases in

    asked by reality check
  53. physics

    an operating 100-watt lamp is connected to a 120-volt outlet. what is the total energy used by the lamp in 60. seconds

    asked by sean
  54. Pre-calculas

    A conical tank of radius R=19 feet and height of H=16 feet is being filled with water at a rate of 9ft 3 /min . (a) Express the height h of the water in the tank, in feet, as a function of time t in minutes

    asked by Help Please
  55. Math

    which of the following can represent the measure of the three angle in an acute triangle? A. 59, 61,62 B. 30, 25, 125 C. 56,72,52** D. 90, 45, 45 Check my answer

    asked by Triston
  56. Math help

    A spherical water tank holds 15.000ft^3 of water. Find the diameter of the tank ( hint: V=pi/6*D^3

    asked by Lanie
  57. Chemistry

    If each balloon is filled with carbon dioxide gas at 20 degrees C and 1 atmosphere, calculate the mass and the number of moles of carbon dioxide in each balloon at maximum inflation. Use the ideal gas law in your calculation. Someone please let me know the

    asked by Cindy Avalos
  58. math

    A cookie recipe calls for 3/4 of a cup of flour and makes one dozen cookies. How many cookies can you make if you have 10 cups of flour and want to use it all? I said 160 cookies. I used a proportion to solve this but is there another way to solve it?

    asked by Sam
  59. Physics

    A rock dropped from the top of a building takes 0.55 s to fall the last 50% of the distance from the top to the ground.How tall is the building?

    asked by Anonymous
  60. physics

    A batter hits a ball, causing it to leave the bat at 135 m/s and at an angle of 18.3 degrees from the horizontal. If the baseball field is level, and ignoring the height at which the batter hits the ball, how far (horizontally, in meters) away from the

    asked by julia
  61. Physics

    A proton and an alpha particle (q = +2.00e, m = 4.00u ) are fired directly toward each other from far away, each with an initial speed of 0.247c. What is their distance of closest approach, as measured between their centers? (Hint: There are two conserved

    asked by Anonymous
  62. geography

    The lengths of two sides of a right triangle are 12 inches and 15 inches. What is the difference between the two possible lengths of the third side of the triangle? Round your answer to the nearest tenth.

    asked by cindy
  63. Chem

    A solution is prepared by adding 1.50 mol glucose to 3.50 mol water. What is the vapor pressure of the solution at 25 oC given that the vapor pressure of pure water is 23.8 torr?

    asked by James
  64. math

    what number is 100 less than 547?

    asked by asia
  65. Chemistry

    You have 10.5 moles of C5H12, how many moles of C do you have?

    asked by cici
  66. English

    Gripping the rail, "Lindsey stepped onto the ice". A. independent clause*** B. adjective clause C. adverb clause D. noun clause

    asked by Kaai97
  67. Math

    The graph below shows the sales of a popular song each week it was in a Top 40 song chart. which statement most accurately describes the slope of the graph A. The sales increased by 1 hundred thousand every 2 weeks. B. The sales decreased by 1 hundred

    asked by Rita
  68. chemistry

    Describe the circumstances in which the following processes could be used to separate the components of a mixture. -sublimation -crystallization -evaporation of a solvent from a solution -dissolving of an impure substance in a solvent

    asked by cara
  69. Chemistry

    aCETYLENE REACTS WITH OXYGEN GAS TO PRODUCE CARBON DIOXIDE GAS AND WATER VAPOR

    asked by Brandon
  70. math

    Tourists were on a hiking trip for three days. On the first day, they hiked 1/8 of the trail. On the second day they hiked 4/7 of the remaining trail. On the third day they hiked 1/3 of the remaining trail and the last 8 km. How many km is the whole trail?

    asked by vidya
  71. Algebra

    Find four consecutive odd numbers which add to 80. Give the numbers smallest to largest

    asked by Seymour
  72. Please help me with Trig

    Given cos 67.5° = [√(2+√2)]/2, find tan 67.5° , simplify where needed, and show work. I'm starting to learn this stuff, and I'm so confused where to start. I know they gave me the coordinate X as in cos 67.5° = [√(2+√2)]/2, and I also know that

    asked by Jane
  73. Math

    Matthew and May want to buy a birthday present for their mother. May has 3 times as much money as Matthew. The birthday present costs $50. After buying the birthday present,they have $70 left. How much money dose Matthew have at first?

    asked by Donovan
  74. PHYSICS

    A UNIFORM METER RULE IS PIVOTED AT P IN 80cm mark on the meter rule force 0.2 And 0.8N Are Applied At M The 60Cm Mark And Q The 90Cm Mark.If The Rule Is In Equilibrium .Find The Mass Of The Rule.Take g=10ms-2

    asked by PRINCE
  75. physics

    In a cathode-ray tube, electrons are projected horizontally at 1.0×10^6 m/s and travel a horizontal distance 11.5 cm across the tube. How long are the electrons in flight? Express your answer to two significant figures and include the appropriate units.

    asked by julia
  76. history

    Why was harappa and mohenjo daro important in Indus Valley Civilizations?

    asked by Anonymous
  77. Physics

    A charge of -3.17 μC is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.115 m). The charges on the circle are -3.96 μC at the position due north and +5.03 μC at the position due east. What is

    asked by Abby
  78. PHYSICS

    A CAR TRAVELLING AT 30M/S Overcome A FrictionAlly Resistance Of 100N While Moving.What Is The Power Of The Engine(Take 1 Hp=3/4 Kw)

    asked by PRINCE
  79. Physical Science

    QUESTION---Which waves have wavelengths longer than those of visible light? MY ANSWER--Infrared light, microwaves and radio waves have wavelengths longer than visible light. Radio waves have the longest wavelength. Are there any others?

    asked by cookiemonster
  80. Math

    How many lines through the origin make equal angles with the coordinate axes?

    asked by Minhye
  81. Physics

    a spring extends by 10 cm when a mass of 100g is attached to it. what is the spring constant?

    asked by Rose
  82. Stats

    A sample of n=9 scores has a mean of M=20. One of the scores is changed and the new mean is found to be M=22. If the changed score was originally X=7, what is the new value?

    asked by Jennifer
  83. Math

    In the figure, -> BD is the angle bisector of

    asked by Matt
  84. Math

    solve the system of equations by substitution x=-4y x+5y=2 please help

    asked by LadyPhantomhive
  85. English

    Choose the term that best describes the quoted phrase. "He read the book" that his aunt had recommended. a. noun clause b. adverb clause c. independent clause*** d. subordinate clause

    asked by Kaai97
  86. maths surd

    determine if the following are surd. no 1.√121 no 2.√0.25 no 3.√128 no 4.√1 whole number 9÷16 no 5.√4000 no 6.√36 no 7.√1.44

    asked by yaro
  87. Physics

    A particle of mass 57 g and charge 70 µC is released from rest when it is 34 cm from a second particle of charge −12 µC. Determine the magnitude of the initial acceleration of the 57 g particle. Answer in units of m/s2.

    asked by Ayo
  88. Algebra

    Find two consecutive numbers whose sum is 529.

    asked by Seymour
  89. Math

    How do you do 4ln(2x+3)=11

    asked by Math
  90. Art

    3.)Creating artwork that showed scenes of everyday life was very different from what was normally painted in the late 1800s This change in style allowed the artist to be more art A.) Common B.) Traditional C.) Creative D.) Boring

    asked by YRN DJ
  91. English

    Which of the following best describes the setting of Maya Angelou's "I Know Why the Caged Bird Sings"? a. The girls often held hands and no longer bothered to speak to the lower students. b. Parents who could afford it had ordered new shoes and ready-made

    asked by Kaai97
  92. chemistry

    if 100g of calcium carbonate on heating produces 44g of carbon dioxide,how much calcium oxide will be formed?

    asked by suja
  93. Algebra

    One angle in a triangle has a measure that is three times as large as the smallest angle. The measure of the third angle is 10 degrees more than that of the smallest angle. Find the measure of the LARGEST angle.

    asked by Arie
  94. Coulomb's Law

    Two objects with charges of +1.0 c and -1.0 c are separated by 1.0km. Find the magnitude of the force that either charge exerts on the other.

    asked by Kyla
  95. Penn foster

    Which of the following sentences demonstrates the correct use of capitalizing direction words? The Northeast has been hit with an unusually cold winter. Poor Alex thought he was driving West. i live just South of Scranton. Are you heading East

    asked by Barbara
  96. Language Arts

    When He-Ping says that he wouldn't miss it for the world, he means that A) he is not sure. Eliminate B) he really wants to go. C) he thinks his mom should know. D) he does not know if he is allowed. I believe it is B.

    asked by Marc
  97. Physics

    A rectangular barge 6 m long and 3 m wide float in fresh water. Water density is 1000 kg/m^3 horse? Answer in units of m. If the barge can only be pushed 5.34722 cm deeper into the water before water overflows to sink it, how many 350 kg horses can it

    asked by Luma
  98. Language Arts

    Which words should be deleted to remove redundancy? At first, my initial reaction was to cancel my subscription to the monthly magazine because the customer service representative was so rude to me. A) At first, B) monthly magazine C) my initial reaction

    asked by Marc
  99. Math

    An aero plane leaves a point on latitude 54 degree south at 10am in the morning. It flies due south at a steady speed of 800km/hr .(A)calculate it's latitude at midday. (B) at what time does it pass over the south-pole

    asked by Onotasamiderhi
  100. geometry

    Francine cut a large circular cake into 12 equal .slices. what acute angle is formed by the sided of each slice

    asked by Anonymous
  101. Algebra

    Find three consecutive numbers whose sum is 930.

    asked by Seymour
  102. math

    Find an equation of the line that satisfies the given conditions: through (2, 4), perpendicular to x − 4y + 7 = 0.

    asked by Carolyn
  103. computer programing

    Need help how to do this Build a Fortune Cookie program that uses either the Chinese Zodiac or astrological signs to generate a fortune, a prediction, or a horoscope based on the user’s input. More specifically, the user may need to input her year of

    asked by Poohboi
  104. math

    The sum of two numbers is 30. Their product is 176. What are two numbers?

    asked by Anonymous
  105. Math

    The chef has 300 pounds of strip sheep. The trim loss on the strip sheep is 40% and the cooking loss is 60% of the trimmed weight. How many pounds of trimmed cooked strip sheep will the chef have left to serve to his customers?

    asked by Christy
  106. Physics

    A bullet fired vertically upwards reaches a height of 500m. [g=9.8m/s2]. What is its initial velocity?

    asked by Anonymous
  107. Biology

    Define and give examples of predation, competition, and symbiosis.

    asked by Elizabeth
  108. Physics

    A thin metallic spherical shell of radius .5m has a total charge of 8 μC uniformly distributed on it. At the center of the shell is placed a point charge of 4 μC. What is the electric field at a distance of .15 m from the center of the spherical shell? I

    asked by Joe
  109. Biology

    What is an invasive specie, and what are some negative effects of an invasive species?

    asked by Elizabeth
  110. math

    The MAthematical model C=500x+80,000 represents the cost in dollars a company has in manufacturing x items during a month. How many items were produced if costs reached $250,000? I'm so stumped I don't even know where to start.

    asked by greg
  111. English

    Cause - There is a concern about global warming and the damage it is doing to the environment. Effect - ??????? Which of the following belong in the "Effect" row? a. Solar panels help to harness the energy from the sun and convert it into electricity. b.

    asked by Kaai97
  112. Math

    Hooke's Law states that the distance a spring will stretch beyond its natural length varies directly with the force applied to the spring. A force of 12 pounds is needed to stretch a certain spring 9 inches beyond its natural length. Find a formula that

    asked by Sami
  113. Chemistry 101

    A chemist needs 2.00 grams of a liquid compound with a density of 0.785 g/cm^3 density. what volume of compund is required? Mass= Volume X Density 2.00g x 0.785 g/Cm^3 = 1.57g/cm^3 Not sure is this is correct......

    asked by Lilly
  114. Algebra

    A rectangular room is 6 6 meters longer than it is wide, and its perimeter is 28 28 meters. Find the dimension of the room. The length is : meters and the width is meters.

    asked by Seymour
  115. Physics

    It has two flags, each exactly 25.4 mm long, with the midpoints of the flags separated by 162 mm. The first flag interrupts the photogate timer for a time 50 ms, and the second flag interrupts the photogate timer for a time 45 ms. 1) What was the average

    asked by Anonymous
  116. Math

    A serving of ice cream contains 5000 calories. 200 calories come from fat. What percent of the total calories come from fat?

    asked by Christy
  117. Art

    1.An art historian notices that two neighboring cultures use a similar style when sculpting horses. This is likely an example of A. Shares interests in the equine form B. Baroque style C. Cultural exchange D. Orientalizing Style 2.An artist loved to work

    asked by Anonymous
  118. chem 101

    Calculate the amount of heat required to raise the temperature of a 25 g sample of water from 9 ∘C to 30 ∘C. Express your answer using two significant figures.

    asked by soso
  119. math

    102 is the product of rita's height and 6

    asked by tremayne
  120. physics

    Position vector r⃗ has magnitude of 15.0 m and direction angle 250 ∘. Find its components. Find the components, magnitude, and direction of the vector −2r⃗ . Where do I start?

    asked by brad
  121. math

    In a freshman class of 3500 students at a particular college, 20000 are taking either a history of English class their first semester. Of these 2000 students, 1300 are taking both a history class and an English class, and 375 are taking only a history

    asked by John
  122. Math : fraction

    During a triathlon, Susan swims 1/4 of the total route and cycles 3/5 of the renaming route. She runs the rest of the route. If she runs 3,600 meters, find the total distance of the triathlon route?

    asked by Meet
  123. Physics

    Two large parallel plates are separated by a small gap of distance 2 mm. See figure below. A fluid with dynamic viscosity µ = 10-3 Pa.s fills the gap between the plates. The surface area of each side of the plates is 2 m2. The top plate has a velocity 2.0

    asked by Jeremy
  124. Physics

    A 6.80 x 10^4 kg space shuttle moving at 7.90 x 10^4 m/s reenters the earth's atmosphere 80.0 km above the earth's surface. What is the shuttle's total mechanical energy with respect to earth's surface? I know the answer is E= 2.173 x 10^12J But I don't

    asked by Danny
  125. Algebra

    Find four consecutive odd numbers which add to 80. Give the numbers smallest to largest

    asked by Seymour
  126. Algebra

    A rectangular room is 6 meters longer than it is wide, and its perimeter is 28 meters. Find the dimension of the room. The length is:_____meters and the width is___meters.

    asked by Seymour
  127. Physics

    A 2700 kg car traveling to the north is slowed down uniformly from an initial velocity of 29.8 m/s by a 7540 N braking force acting opposite the car’s motion. a) What is the car’s velocity after 2.77 s? Answer in units of m/s.

    asked by Anonymous
  128. Chemistry

    how do you make 400 ml pf 2 Osm solution of Mg CL2?

    asked by dee
  129. physics

    A force of 55 N at an angle of 32 degrees to the horizontal is applied to drag a 15kg box across a horizontal floor at a velocity of 2.5 m/s. The coefficient of friction between the box and the floor is 0.25 and the box is moved 15m across the floor. How

    asked by Jan Dupre
  130. Algebra

    One angle in a triangle has a measure that is three times as large as the smallest angle. The measure of the third angle is 10 degrees more than that of the smallest angle. Find the measure of the LARGEST angle.

    asked by Seymour
  131. Algebra

    A rectangular room is 6 meters longer than it is wide, and its perimeter is 28 meters. Find the dimension of the room. The length is:_____meters and the width is___meters.

    asked by Seymour
  132. science

    Scientists earlier believed that the lowest measurable temperature is the freezing point of ice. However, modern scientists believe that temperatures below the freezing point of ice can also exist. What best accounts for these different opinions?

    asked by Oscar
  133. Data Management

    Q1: Consider the word BASKETBALL a) how many of the arrangements begin with a k? (60 480) b) how many of the arrangements start with a B and end with a K? (10 080) For this question, I am not sure what they mean but it beginning with k or b... Q2: Joanne's

    asked by Anonymous
  134. chemistry

    A graduated cylinder was used to measure out 5.3 mL of a sample of a liquid into a pre-weighed 100-mL beaker (mass of the beaker = 24.568 g) at 25oC. The total mass of the beaker and alcohol was 29.568 g. what is the actual volume transferred from the

    asked by clememnce
  135. math

    if angle 1 and angle 2 are supplementary angles, then one of them must be acute. Counter exmaple?

    asked by boberto
  136. Math

    Wendy's savings to Stef's savings were 5:6. After they spent $28 each, then the ratio became 1:4. A) Find Wendy's saving before spent $28. B) What's Stef's saving after spent $28.

    asked by Annie
  137. Math

    The 2nd and 5th term of a.p are -7 and 56 respectively find the first term. The common ratio. The sum of the five term

    asked by Tola
  138. Math

    Tory has 4 blue jelly beans, 6 red jelly beans, 5 yellow jelly beans, and 1 green jelly bean in his bag. What fraction of the jelly beans are A)Blue B)Yellow C)Red D)Green

    asked by Carla
  139. English

    1. I couldn't swim at all when I was young. 2. I couldn't swim at all because I was young. (Are both grammatical? Which one is better?) --------------------------- 3. My pencil is longer than you. 4. My pencil is longer than your pencil. 5. My pencil is

    asked by rfvv
  140. Data Management

    Q: A coin is tossed 9 times. How many ways could the result be 6 heads and 3 tails? Answer is 84 ways If you could explain the process on how you get the answer that would be really helpful because I always get stuck on this kind of question... thanks!

    asked by Milan
  141. language arts

    Label as Cause & Effect 1. (Effect) When dropped, cats land on their feet. (Cause) Cats are extremely agile creatures 2. (Cause) Few mammals can care for themselves at birth. (Effect) Most mammals are born immature 3. (Effect) The sun has a powerful

    asked by NEED HELP -
  142. Chemistry 101

    A chemist needs 2.00 grams of a liquid compound with a density of 0.785 g/cm^3 density. what volume of compund is required?

    asked by Lilly
  143. Science

    Two objects with charges of +1.0 c and -1.0 c are separated by 1.0km. Find the magnitude of the force that either charge exerts on the other.

    asked by Alana
  144. Chemistry

    Crystal of Sodium form Cubic unit cell with edge length 430pm.Find the no.of atoms present per unit cell and also the type of unit cell. P.S. No radius or density is given so its a lil bit tough dan the rest... Plz Help ASAP !!

    asked by Minhye
  145. luma

    A rock weighs 100 N in air and has a volume of 0.00312 m^3. What is its apparent weight when submerged in water? The acceleration of gravity is 9.8 m/s^2. Answer in units of N.

    asked by physics
  146. Physics

    A dense plastic toy of mass 1.8 kg is floating just beneath the surface of a pond. What is the buoyant force on it? Answer in units of N.

    asked by Luma
  147. Physics

    A 1.8 kg rectangular air mattress is 2.46 m long, 1.23 m wide, and 0.189 m thick. What mass can it support in water before sinking? Answer in units of kg.

    asked by Luma
  148. Physics

    A small rectangular ferry boat is 3.87 m wide and 5.81 m long. When a loaded truck pulls onto it, the boat sink an additional 4.31 cm into the river. What is the weight of the truck? The acceleration of gravity is 9.8 m/s^2. Answer in units of kN.

    asked by Luma
  149. Math

    The track team ran a mile and a quarter during its practice. How many kilometers did the team run?

    asked by Tyler
  150. Chemistry

    [10:58am]: Wn 4.5g of liquid water was formed by burning hydrogen gas in oxygen,-72kj of heat was given off.calc d standad heat formation of water

    asked by Hayur
  151. Algebra

    rectangular room is 3 3 times as long as it is wide, and its perimeter is 40 40 meters. Find the dimension of the room. The length is : meters and the width is

    asked by Seymour
  152. physics

    In a marathon race, Chad is out in front, running due north at a speed of 4.09 m/s. John is 94 m behind him, running due north at a speed of 4.28 m/s. How long does it take for John to pass Chad?

    asked by Rhonda
  153. Algebra

    Find two consecutive even numbers whose sum is 1306.

    asked by Seymour
  154. Math

    Calculate 56% of 880 kg?

    asked by Christy
  155. les/math

    a box whose volume is 80cubic cm has length,width and height in the ratio 1:2:5 if each of the length,width,height is increased by 2cm how many cubic centimeters will the volume be increased?/

    asked by rochelle
  156. Chemistry

    Assuming that the Bohr model is valid, what is the kinetic energy of a photoelectron liberated by a photon with a the given wavelength from a state with given Z and n? If the available energy is insufficient to break the tether, enter 0. λ=320 nanometers

    asked by Kaitlyn
  157. maths

    1. If a map has a scale of 1cm to 30km, what distance would 1mm represent? 2. If it takes a spacecraft 3 days to travel 250,000 kilometres, what length of time will it take to travel one million kilometres? 3. A publican makes 75 cents on every bottle of

    asked by liam
  158. Chemistry

    How much oxygen is needed to form 50 grams of water?

    asked by Majaliwa
  159. Physics

    W.K.T, Magnetic Force qvB=mv^2/r ... n we know how to prove it too.... But how to show that the radius of curvature of the circular path is proportional to the linear momentum of the charge ?

    asked by Minho
  160. Physics

    A floating ball normally weighs 7 N. The acceleration of gravity is 9.8 m/s^2. What is the size of the buoyant force that acts on it? Answer in units of N.

    asked by Luma
  161. Algebra

    I just need help setting up the equation - the rest I can do on my own: A man built a walk of uniform width around a rectangular pool. If the area of the walk is 253 square feet and the dimensions of the pool are 9 feet by 3 feet, how wide is the walk?

    asked by Katie
  162. social studies

    americas industrial revolution began to take root in A) New England B) the west C) the Middle Atlantic D) the South

    asked by cat
  163. Math

    Need help solving for x with work shown 2log6(4x)=0 Log2(x)+log2(x-3)=2

    asked by Bob
  164. math

    OT is a vertical mast of height h. From A, a m due south of O, the angle of elevation of T is 30 degree. If B is a point 2a m from A, on a bearing of 060 degree, find the angle of elevation of T from B.

    asked by somay
  165. Algebra

    Please I need some help for this problem below please show the full solution thanks:Two angles of a triangle have the same measure and the third one is 51 degrees greater than the measure of each of the other two. Find the measure of the LARGEST angle in

    asked by Arie
  166. Algebra

    Six subtracted from twelve times a number is 174. What is the number?

    asked by Seymour
  167. math

    Michelle had 12 girls and 36 boys show up for field day. She wanted to divide them into groups so that each group had the same number of girls and boys. What is the greatest number of groups that Michelle can make if all of the children are in a group? a.3

    asked by Kalyn
  168. math

    There are 5 red cubes and 10 green cubes in a bag. A cube is picked then put back in the bag and another is chosen. If I did this is done 180 times, how many green cubes would you expect to have picked?

    asked by Anonymous
  169. math

    how do i divide -2.4 by 2.54?

    asked by Evelyn
  170. math

    There were 24 people on the bus. At the bus stop 9 people got off the bus. How many people are on the bus now? Show 2 different ways to solve this problem

    asked by kelsie
  171. Math

    You food costs are $1700. Your total food sales are $8500. What percent of your food sales do the food costs represent?

    asked by Christy
  172. Chemistry

    Which of the following has the lowest conductivity when dissolved ? F2, H2O, MgO, or LiCl

    asked by Anonymous
  173. Algebra

    Two angles of a triangle have the same measure and the third one is 9 degrees greater than the measure of each of the other two. Find the measure of the LARGEST angle in the triangle.

    asked by Seymour
  174. calculus 2

    Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. y = 3 sin x, y = 3 cos x, 0 ≤ x ≤ π/4; about y = −1

    asked by TayB
  175. Physics

    A piece of metal weighs 51.8 N in air, 37.2 N in water, and 42.6 N in an unknown liquid. Find the density of the metal. Answer in units of kg/m^3 Find the density of the unknown liquid. Answer in units of kg/m^3

    asked by Luma
  176. Math

    5/6 (2g+1)-g Simplify the expression

    asked by Joseph
  177. English

    Construct an author cataogue card.

    asked by Godwin
  178. math

    You and your sister work on the weekends at your parents’ store. You receive $4 per hour and your sister gets $5 per hour. On Saturday both of you worked a total of 7 h and together made $32. How much money did each of you earn on Saturday?

    asked by Anthony
  179. math

    expail me how calculate hight=6 length=8 beneath=6 then how much volume in litre

    asked by prathna
  180. PHYSICS

    A BLOCK OF WOOD REST ON AN INCLINE PLANE AND THE COEFFICIENT OF FRICTION BETWEEN THE BLOCK AND THE PLANE IS KNOWN TO BE 0.31 At What Angle Must The Plane Be Inclined To The Horizontal So That The Block Begins To Move Down The Plane

    asked by PRINCE
  181. biology

    which occurs during the krebs cycle? 1) breaking down pyruviate 2) capturing light energy 3) creating glucose molecules 4) producing ethyl alcohol ?

    asked by jill
  182. accounting

    julie volunteered to work on christmas day because her parents were out of the country on holidays.her regular wage is $12.00 an hour. how much would she earn for working on christmas day?

    asked by Anonymous
  183. physics

    When driving west toward the Rocky Mountains, you see a peak 2.6 ∘ above the horizon. Your GPS gives your current elevation as 1490 m , and according to the map, you're 25.0 km (horizontally) from the peak. Find the peak's elevation. I thought it would

    asked by lauren
  184. les/math

    imelda glues together 72cubes with 2cm edges to form a solid rectangular brick.if the area of the base is 48sq. cm find the volume of the bricks in cubic centimeters

    asked by rochelle
  185. Chemistry

    I have been plagued by this question for a good half an hour, whilst doing past papers I came across it- ' EXPLAIN why the value of Kw increases as the temperature increases' as far as I can tell, it is about the excess production of OH- and H+ from le

    asked by A
  186. algebra

    Sue ate some apples from a bag. She left 20 apples. This is five-eights the number of apples she had bought. How many apples did she buy?

    asked by anonymous
  187. Math

    There are 5 red cubes and 10 green cubes in a bag. A cube is picked then put back in the bag and another is chosen. If I did this is done 180 times, how many green cubes would you expect to have picked?

    asked by Angela
  188. Riddle

    How are these two people related to each other? If a man's mother's nephew is a woman's father's cousin, how closely related are the man and woman related? I think they would be related by marriage?

    asked by Hava
  189. English

    I have to add er to firefight. Is it firefighter or firefightter? Why I know is firefighter but I have to explain why? Help please

    asked by Ioanna
  190. maths

    The population of town A is 60000 and town B is 70000 find the percentage of town A as town B

    asked by grace
  191. Calc 1

    Evaluate the limit (6+h)^3-216/h I think you would have expand the numerator (6+h)^3 = but how would you do it? 216+108h+h^3? It's not coming out right...

    asked by Feather
  192. Biology

    What's the difference between Bio accumulation and Bio amplification?

    asked by Elizabeth
  193. Science

    what can fossils tell you about organisms and environments of the past?

    asked by Avery/connexus
  194. Biology

    What's an ecological niche?

    asked by Elizabeth
  195. maths lite.life science.agric.afrikaans

    is it possible for me to become a medical docter without pure maths but life science??

    asked by TSHIRELETSO
  196. Math

    To purchase a computer for the student activities office, the freshman class decides to raise 1/4 of the money, and sophomore class decides to raise 2/3 of the money. The student government association agrees to contribute the rest, which amounted to $200.

    asked by Maritza
  197. Question About my Essay

    Hi again, I was wondering about a paragraph in my Informal Essay & wasn't sure if what I had used was correct. Which of the following sentences is correct for an essay??? 1) According to matadornetwork (dot) com, we should have plenty of new pieces of

    asked by Ally
  198. Chemistry 101

    if an organic liquid has a density of 1.11 g/mL and has a measured volume of 500. mL, what mass of liquid is present?

    asked by Lilly
  199. science & technology

    when a body immersed in water from spring balance and shows 100gm weight loss. what is the weight of the body in water? 2)what is the weight of the body in air? 3)what is the upthurst on the body? 4) what is the volume of the body? give reason

    asked by devtanu
  200. math

    Are is their a good website that has good video with precal lessons im havong difficulty with a bad teacher

    asked by KAy
  201. Algebra

    Hi I need help with this problem full solution only please: Two angles of a triangle have the same measure and the third one is 9 degrees greater than the measure of each of the other two. Find the measure of the LARGEST angle in the triangle.

    asked by Seymour
  202. Math

    What is the slope of the line containing the points (-9,2) and (3,14)?

    asked by Anonymous
  203. Algebra

    Two angles of a triangle have the same measure and the third one is 51 degrees greater than the measure of each of the other two. Find the measure of the LARGEST angle in the triangle.

    asked by Seymour
  204. Poetry

    Why do you think that a concrete poem is the best way to communicate?

    asked by Thames
  205. physics

    The speed of a space shuttle is 3.2×10^6 cm/s. Convert this into miles per hour (mph) using only 12 inches/ft, 60 seconds/min, 60 minutes/hour, and 1 inch = 2.54 cm. Factor Analysis must be used. Express your result to three significant digits and in

    asked by sam
  206. English

    He is surprised when he sees paintings in Ishaan's room. -------------------- What does "Ishaan's room" modify? Does it modify "paintings"? Is he in Ishaan's room and does he see the paintings? Or he is not in Ishaan's room. He just sees Ishaan's paintings

    asked by rfvv
  207. Re:BIOLOGY

    Whats the relation between Photosynthesis and Cellular Respiration? Is it, because they have complimentary proccesses?

    asked by Elizabeth
  208. Algebra

    The sum of five and three times a number is 89. What is the number?

    asked by Seymour
  209. American Lit

    Why is A strong economy should be a country's most important goal.? I'm writing a paper and need to know, please keep short and simple.

    asked by Sakinah Bibi
  210. math

    Suppose a boat has to make a round trip up and down a river. The trip up takes 1 hour and is with the current. The trip back takes 9 hours. Suppose the round trip is a total of 32 miles, and that the boat's speed and the speed of the current are constant.

    asked by Brent
  211. Civics

    An Interest Group is a?

    asked by A.L.K
  212. PHYSICS

    A BODY OF 50N Rest On A Smooth Plane Incline At 30 Degree To The Horizontal Which Force Applied Parallel To The Plane Will Keep The Body In Equilibrium

    asked by PRINCE
  213. Biology

    How does Nutrients get affected from surface runoff in Biology? If in detail, you could explain what exactly is Surface Runoff, and what causes it, that'd be of great help !

    asked by Elizabeth
  214. math

    The population of Town A is 60000 and town B is 70000. Find the percentage of town A as town B

    asked by grace
  215. Biology

    What is an ecological footprint and why does Nothern Americans have such large ecological footprints?

    asked by Elizabeth
  216. Please help me with trig.

    One more problem.. Given sin t= 3/11 and cos t

    asked by Jane
  217. analytic geometry

    Determine the acute angle between the lines 3x - 7y = 21 and 5x + 3y = 15.

    asked by sylvia
  218. math

    the legth of a side of a square is represented by (3x-1). if the perimeter of the square is 68, find t he value of x

    asked by Anonymous
  219. Psychology

    A man feels anxious and a little sick to his stomach when he walked up to the front door of his old elementary school. School had been very hard for him and he remembers feeling “stupid” a lot of the time he was in school. What is the unconditioned

    asked by Kay
  220. Calc 1 limits

    The equation is x^2+6x+9/x^4-81 Limit is x➡️-3 I factored it out and I got 1/36 would that be right The numerator would factor out to be (x+3)(x+3) then the denominator would be (x+3)(x-3)(x+3)(x-3) this would cancel out the (x+3) which would leave

    asked by Feather
  221. math...finding cubic feet

    What is the cubic feet of a cylinder that's 12 3/4 inches wide and 16 inches tall?

    asked by donna
  222. Chemistry

    Culd i get a reference to the formulae used in Solid State ?? (Like the no.of atoms in a face centred cubic cell is 4 Etc )

    asked by Minhye
  223. math

    One year, Super Bowl commercial time sold for $4 million for 30 seconds of air time. a) What was the price per second? Round to the nearest cent. b) How much air time could you get that year for three million dollars? Assume that air time could be

    asked by Rishi
  224. calculus

    Drug concentration is defined by; c(t)= 0.2t÷t^2+1 mg/cm^3...when is the concentration increasing/ decreasing (between 0 and 4hours)?

    asked by cayla
  225. maths number system

    0

    asked by yaro
  226. Wave

    If a ray of light moves from air to water the angle of incidence is--------- the angle of refraction

    asked by MeritGodwin
  227. science

    what will be the pH and normality,when 33.6liters of HCl having 1.179 s.g. and 36%concentration is mixed with 736 liters of distilled water

    asked by Ashok
  228. RE:Biodiversity

    Sorry I have a lot, final exams tommorow! Whats the relation between Photosynthesis and Cellular Respiration?

    asked by Elizabeth
  229. math

    5:15 and x:3 a.5 b.3 c.1

    asked by shynice
  230. Pre-Calc

    What is the standard form of the equation of the parabola that has a vertex at (4, 3) and passes through the point (-4, -2)? Is it f(x) = -5/64(x - 4)^2 + 3?

    asked by Anonymous
  231. Math

    Tan30

    asked by Sonu kumar
  232. Math

    Is IQR better for non-symmetrical data?

    asked by Anonymous
  233. Math

    Molly says that the answer to one of the probability questions is 4/3 Susie says she must be wrong that 4/3 is not a possible answer as probability

    asked by Bernice
  234. Math

    Harry and Justin have 180 stickers. If Harry has 25% more stickers than Justin, how many stickers does Justin have?

    asked by Clark
  235. i really need this ASAP MATH HELP PLZZ

    in your explanation value |-3| is different from the negative number -3

    asked by the girl that has no friends
  236. Algebra

    Ms. Sue could you please help me with this question:A rectangular room is 6 meters longer than it is wide, and its perimeter is 28 meters. Find the dimension of the room. The length is:_____meters and the width is___meters.

    asked by Arie
  237. Social Studies

    Hello!! can someone please explain to me the cause and effect of white supremacy?? thank you!!

    asked by Rosey
  238. science

    after striking the floor a ball rebounds 4/5th of the height from which it has fallen find the total distance travelled before coming to rest considering its dropped from 100m

    asked by lovely
  239. Pre-Algebra

    The sum of a number and 3, multiplied by the sum of the number and 4 is equivalent to 16

    asked by Desiree
  240. video formatting

    I created a video on windows movie maker and have to save it in the .wmv format. So I went to save movie and added .wmv but it doesn't save it as that it saves it as mp4. is this almost the same thing?

    asked by Anonymous
  241. math

    students are growing plants under different conditions. the average plant growth during a week is 3.5 inches. the difference from the average for Ji is 2 1/4 in., Gayle -2 7/10 in., Stefan 1.5 cm and Ricardo -2.4 cm. How do you find the actual height of

    asked by Evelyn
  242. social studies

    What do Israelis and Palestinians most have in common A). Religious Beliefs B). Military Strength C). Political D). A Homeland my answer is (idk)

    asked by QuavoFinese
  243. Biology

    What is the difference between endangered and extirpated?

    asked by Elizabeth
  244. Math

    Will has 27 books Cassandra ha17 books how many books do they have together

    asked by Anonymous
  245. English

    What is formal schooling

    asked by Anonymous
  246. Science

    Beach sand contains plenty of the mineral quartz. Why should you not put your plastic sunglasses down on the sand at the beach?

    asked by Anonymous
  247. calculus 2

    Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. y = 3x^4, y = 3x, x ≥ 0; about the x-axis

    asked by TayB
  248. calculus 2

    Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. y = x, y = 0, x = 2, x = 6; about x = 1

    asked by TayB
  249. math

    sam bought two books.one book cost 4.00$ more than three times other.together,thee two books cost him 72$

    asked by jasmin
  250. math

    The cubic feet of a cylinder that's 12 3/4 inches wide and 16 inches wide?

    asked by Anonymous
  251. Limits calc 1

    X^2 +6x+9/x^4-81 I put the answer as 1/36 it's not the answer?? It told me to use the identity x^4-a^4=(x+a)(x-a)(x^2+a^2) I used it, u still get the same answer....

    asked by Feather
  252. Chem

    A mass of 0.4 g of hydrogen (H2) and 3.2 g of helium (He) are mixed in a rigid 500 mL container. What is the partial pressure of helium when the container is cooled to 77 K ?

    asked by Anonymous
  253. math

    how do you divide a 3 with a 2 when they're not even???!!!!

    asked by Anonymous
  254. Math

    13+d=44 What does the variable represent

    asked by Joseph
  255. Biology

    How do natural ecosystems have more biodiversity?

    asked by Elizabeth
  256. Mathematics

    How can you solve 9x^4-24^3+16x^2=0?

    asked by Aster Calico
  257. Science

    What will be the pH and Normality when 33.6 liters of HCL having 1.18 s.g.and 36% concentration

    asked by Ashok
  258. math

    a) 25a^2 - 16a^2 b^2 b) x^2 - (a+b)^2 c) 9(x-y)^2 - z^2 d) 16x^4 - 81y^4 e) 25a^2 - 16a^2 b^2

    asked by Bongiwe Gamede
  259. Math

    14 + y/8 = 10 What is the variable?

    asked by Joseph
  260. PHYSICS

    PLEASE POST MY ANSWER

    asked by PRINCE
  261. Math

    What's another way you can write 0.023 (fraction or percent) problem: write 0.023 two different ways

    asked by Andrew
  262. history

    My history Textbook did not clarify how the U.S decided to go to war with Britain in 1812. can anyone explain? that would clear up alott for me thx:)

    asked by hi
  263. Functions 11

    Find the value(s) of k so that each function has 2, 1, and 0 roots f(x)=kx^2-9x+6 f(x)=3x^2+kx+12 f(x)=9x^2+3x+k I know to use the discriminant but am not sure where to go from there

    asked by R
  264. Math

    11 + 2z= 14.78 Find the variable

    asked by Joseph
  265. Math

    it takes 45 min. to plant 12 plants how long does it take to plant 5

    asked by Ana
  266. Physical Science

    I am having trouble coming up with an answer to this, and I can't seem to find it in my textbook....can I get a little help? QUESTION---Explain why the speed of sound is faster in solids than in gases

    asked by cookiemonster
  267. Math

    Which ice cream is more expensive per litre? How do you know? 3L of ice cream for $10 or 4L of ice cream for $12?

    asked by Anonymous
  268. Math

    Two even integers are represented by 2n and 2n+2. Explain how you can find the value of those integers if their sum is 14. Name the integers.

    asked by Joseph
  269. Math - Percents

    Harry and Justin have 180 stickers. If Harry has 25% more stickers than Justin, how many stickers does Justin have?

    asked by John
  270. Math

    @ reiny. . . 9x^4-24x^3+16x^2. .i have done it bt i want you to do it 4 me to confirm

    asked by Afeez
  271. science

    if the canoe accelerates from 0 to .8 m/s in .2 s, what is the acceleration

    asked by Anonymous
  272. Chemistry 102

    Using your average value for Kc (6.92x10^2) and the concentrations provided for the reactants (0.00111mol/L for both), determine the absorbance expected when a 16.00mL of Fe3+ is reacted with 10.00ml of SCN and measured in a 1.00cm cuvette.

    asked by Taylor
  273. Biology

    What is pesticide resistance? Why is it that biological control is a good solution to the problem of pesticide resistance?

    asked by Elizabeth
  274. Biology

    What causes acid precipitation, and what are the negative effects of acid precipitation?

    asked by Elizabeth
  275. Science

    A tank which is raised above the ground level, has a hole in its flat base, through which water flows and falls to the ground below. If the depth of water in the tank is 0.5 m and the tank base is 0.7 m above the ground, what is the fluid velocity (u)

    asked by Chris
  276. álgebra

    What is the least perimeter of a rectangle with an area of 32 square feet?

    asked by omar
  277. maths number system

    Determine the lub and glb of the equation no 1. (2)1

    asked by yaro
  278. analytical physics chemestry lab

    You are provided with a 0.5M solution of NaCl. You require a working solution of 0.004M. Describe how you would prepare this working solution, including all steps and calculations. Hint: You want to use the least amount of reagents and consumables, serial

    asked by ruby
  279. English

    1. He became a president when he was 48 years old. 2. He became the president when he was 48 years old. 3. He became president when he was 48 years old. 4. He became President when he was 48 years old. 5. He became the President when he was 48 years old.

    asked by rfvv
  280. triggggg help

    Is sec Θ ° > tan Θ ° for every angle? Please explain why or why not?

    asked by Scotto
  281. Civics

    What are some common laws I really don't get this can someone explain it to me?

    asked by Sara
  282. math

    8+32n=31n+7

    asked by kensy lara
  283. English

    1. They are no use. 2. They are of no use. 3. They are useless. ----------------- Which ones are correct? Are they all the same and grammatical?

    asked by rfvv
  284. math

    x:4 and 45:20 a.8 b.9 c.10

    asked by shynice
  285. Pre-Algebra

    Four times the sum of three times a number and 5 is the same as the sum of 11 times the number and 5

    asked by Desiree
  286. math

    21 to x and 7 to 10 a24 b30 c.40

    asked by shynice
  287. math

    Michael's bicycle tire has a diameter of about 30m. How far does it cover when the wheel makes one complete revolution?

    asked by Louise
  288. Geography

    Tme measurement

    asked by Anonymous