Questions Asked on
March 3, 2014

  1. Science

    1. How does groundwater cause erosion and deposition? a. When acidic water soaks into the ground, water dissolves limestone, resulting in the formation of caves. *** b. When a river overflows, it moves downhill, resulting in the formation of caves. c. When

    asked by Hannah
  2. Science

    I can’t put the diagram (picture) here so... I type down: Hope it help! left side there is an arrow pointing to the square, it measures 5 N (big) In the middle (between the arrows) there is a square Right side there is an arrow pointing to the square, it

    asked by Mindy
  3. Science -Check Answers-

    # 2. When __________ forces act on an object, they cause the object to move. •Balanced •Unbalanced (?CORRECT?, MY ANSWER) •Friction •Net # 4. Which of the following terms BEST describes the scenario below? A meteor moving through outer space

    asked by Mindy
  4. Chemistry

    Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.240 M HClO(aq) with 0.240 M KOH(aq). The ionization constant for HClO can be found here.

    asked by Judith
  5. chemistry

    When aqueous solutions of potassium carbonate and magnesium nitrate are combined, solid magnesium carbonate and a solution of potassium nitrate are formed. The net ionic equation for this reaction is:

    asked by Kay
  6. Physics

    A spring of unknown force constant is attached to a rod so that it hangs vertically. With no mass attached, the spring has a length of 12.0 cm. When a student attaches a mass of 50 grams, the spring stretches to a length of 18.0cm. Determine the force

    asked by Chris
  7. Science- Brady , Ms. Sue , Damon

    How would playing a game of soccer, baseball, or basketball be different if inertia didn't exist?

    asked by Mindy
  8. Science

    Which step in the nitrogen cycle is accelerated at the beginning of the eutrophication process? A. denitrification B. nitrogen fixation C. producer uptake of nitrogen D. consumer decomposition

    asked by Amy
  9. science

    A new moon is discovered orbiting Neptune with an orbital speed of 9.3 ´ 10 m/s. Neptune’s mass is 1.0 ´ 10 kg. What is the radius of the new moon’s orbit? What is the orbital period? Assume that the orbit is circular. (G = 6.673 ´ 10 N·m/kg)

    asked by paul
  10. Math Gr. 7

    Is it possible to polygon with 290 deg angle? Plz explain

    asked by Deen Webb
  11. Physics

    A dynamics cart with a friction pad is placed at the top of an inclined track and released from rest. The cart accelerates down the incline at a rate of .60m/s^2. If the track is angled at 10 degrees above the horizontal, determine the coefficient of

    asked by Tim
  12. chemistry

    Write the net ionic equation for the following molecular equation. HBr is a strong electrolyte. HClO is a weak electrolyte. KClO(aq) + HBr(aq) KBr(aq) + HClO(aq)

    asked by Kay
  13. Math 1

    The tire on franks bike moves 75 inches in one rotation how many rotations will the tire have made after frank rides 50 feet?

    asked by Jenny 2
  14. RATIO

    In a school gym, the ratio of the number of boys to the number of girls was 4:3. After a 160 boys left the gym, the ratio became 4:5. How many girls was in the gym?

    asked by Anonymous
  15. Mrs.Sue i have the CORRECT ANSWERS !

    12. The American Revolution most likely encouraged the Mexican people to revolt against Spain by A. exposing Spain’s lack of resources. (I pick A.) B. introducing new political principles to Mexico. C. inspiring the French Revolution. D. showing that a

    asked by bonn
  16. math 3

    elena packed 48 cubes into this box. each cube has edges that are 1 centimeter. how many layes of cubes did elena make?

    asked by kimmy plus
  17. AP Chemistry

    Which of the following salts is the most acidic in aqueous solutions? 1. KBr 2. NaI 3. Al(NO3)3 4. BaCl2 5. AgNO3 6. Fe(NO3)2 7. Pb(NO3)2

    asked by Anonymous
  18. Physics

    A baggage cart full of luggage is coasting at a speed vA across the airport taxiway. When eighteen percent of the mass of the cart and luggage is thrown off the cart, parallel to the ground and in the forward direction, the cart is brought to a halt. If

    asked by Roger
  19. Science

    A cat is walking down a sidewalk and spots a dog in a nearby yard. The cat strats to run in the opposite direction and then quickly climbs a tree. Which of the the following changes most accurately describes the movement of the cat? speed distance

    asked by Mindy
  20. chemistry

    When aqueous solutions of potassium hypochlorite and nitric acid are mixed, an aqueous solution of potassium nitrate and hypochlorous acid results. Write the net ionic equation for the reaction. Use H+ for the hydronium ion.

    asked by smith
  21. Chemistry

    What mass of sodium benzoate should be added to 160.0mL of a 0.17M benzoic acid solution in order to obtain a buffer with a pH of 4.30?

    asked by Madison
  22. AP Chemistry

    50.0 mL of an HCl solution with a pH of 3.5 neutralizes 200.0 mL of a Ca(OH)2 solution. What is the molarity of the Ca(OH)2 solu- tion?

    asked by Anonymous
  23. S.S

    Which of the following minerals generates the most income for British Columbia? Copper

    asked by Help Please!!!
  24. Chemistry

    Many portable gas heaters and grills use propane, C3H8(g). Using enthalpies of formation, calculate the quantity of heat produced when 17.0g of propane is completely combusted in air under standard conditions. Assume that liquid water is forming.

    asked by Jessica
  25. math

    please help!!the question is..at track practice,Sheila worked on the long jump.her first jump measured 3 yards,2 feet,8 inches.second jump measured 2 yards,1 foot,10 inches.How much longer was sheilas first jump than her second jump?express your answer in

    asked by zion
  26. science

    Fill in the blank? The acceleration of an object is equal to the net _____ acting on the object divided by the objects____?

    asked by snow
  27. History check

    What did Francis Cabot Lowell and Samuel Slater have in common? Their inventions allowed the U.S. economy to decrease dependence on slaves. Their inventions made Transatlantic communication more efficient. They imported technological advances from Great

    asked by #1Student
  28. Inertia Science

    How would playing a game of soccer, baseball, or basketball be different if inertia didn't exist?

    asked by Mindy
  29. English/Literature/Poetry (Writeacher)

    Have you read the poem called "Problems With Hurricanes" by Victor Hernández Cruz? If so, could you assist me in answering the questions below? If not, could you possibly read this poem online and help me, anyways? Thank you. 1. What is the author

    asked by Anonymous
  30. math

    If you separate the socks with equal charges 4 x10-9 C until they’re 7 cm apart, what force will each sock exert on the other?

    asked by Laura
  31. chem

    How many moles of CO2 are produced from 0.160mole O2?

    asked by kim
  32. please check(Social studies)

    honestly i just wanna finish this ive been on it for almost 2 weeks now because im to scared to submit please check these answers anyone please don't leave me hanging. 11. Which cause most motivated the push for Mexican independence from Spain? A. trade

    asked by bonn
  33. math

    Cindy runs a company that designs and prints gift cards for a department store. Quality controls is very important, and Cindy must determine that the cards are being printed properly. For every 6,000 batches of 100 cards that are printed, she examines

    asked by Jamar
  34. science

    What universal force is primarily responsible for keeping satellite in orbit around earth? Answers are electromagnetic force, strong nuclear force, gravitational force, weak nuclear force. Thank you

    asked by snow
  35. Consumer Math

    I am purchasing a house for $235,000 and have excellent credit. If I pay $1,678.93 at the end of the first month, how much is applied to the principal balance?

    asked by Rachel
  36. Chemistry:Important!!!!!!!

    20.00 mL of a H2SO4 solution with an unknown concentration was titrated to a phenolphthalein endpoint with 39.13 mL of a 0.1061 M NaOH solution. What is the concentration of the H2SO4 solution?

    asked by Jackie
  37. physics

    A planet has a radius of about 0.85 times Earth's radius and a mass of only 0.74 times Earth's mass. Estimate the acceleration due to gravity on the planet. Use M_{Earth} = 5.972 x 10^{24} kilograms and r_{Earth} = 6370 kilometers a_{planet} =

    asked by Melissa
  38. math

    james drove 400 km in 5 hours whats the calculated speed ?

    asked by nia
  39. Physics

    A ball is dropped from a height of 1.45m and rebounds to a height of 1.21m. Approximately how many rebounds will the ball make before losing 92% of its energy?

    asked by john
  40. Precalc

    Solve the following equation for x in terms of ln and e. (2e^3)-6-(16e^-x)=0

    asked by Aly
  41. Science- Brady, 2 more!

    #1. Which statement is true about the image below? 7 N -> |rectangle| |square| 5 N -> |square| •0 N •5 N •10 N (?CORRECT?, MY ANSWER) •25 N

    asked by Mindy
  42. math

    on a boat tour there are half as many children there are as adults. ther are 40 people on the tour how many children are there

    asked by melanie
  43. gpc

    Calculate the molarity of a bleach solution that is 8% by mass (m/v) or 8g/100mL sodium hypochlorite.

    asked by samry
  44. S.S

    Which of the following minerals generates the most income for British Columbia? Copper?

    asked by Hi:)
  45. computers

    1. It is important to include voice and point of view in writing because (1 point) A. It helps the reader understand the characters feelings and emotions B. It adds more words to the story C. It makes the information stand out D. It makes the story more

    asked by Bob
  46. Math

    A family left their house in two cars at the same time. One car traveled an average of 7 miles per hour faster than the order. 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 car

    asked by naveen
  47. Physics

    A baseball player rounds third base and is heading for home when he is signaled by the base coach to slide. The player has a speed of 3.5m/s when he begins to slide and he travels through a linear distance of 1.50 meters before coming to rest. Determine

    asked by Tim
  48. physics

    What is the acceleration due to gravity at a distance of 1.2 Earth radii above Earth�s surface? Use M_{Earth} = 5.972 x 10^{24} kilograms and r_{Earth} = 6370 km a_{gravity} =______________{m}{s^2}

    asked by Melissa
  49. social studies(updated answers)---Mrs.Sue

    12. The American Revolution most likely encouraged the Mexican people to revolt against Spain by A. exposing Spain’s lack of resources. B. introducing new political principles to Mexico. (I pick B.) C. inspiring the French Revolution. D. showing that a

    asked by bonn
  50. Physics

    At the top of an inclined track, a spring is attached to a rod at one end and a dynamics cart at the other such that the spring stretches parallel to the track. The cart has a mass of .850kg and there is negligible friction between the cart and the track.

    asked by Chris
  51. had

    A 0.106 kg ice cube is taken out of a freezer with temperature -16°C. It is then added to a glass of water with mass 0.25 kg. The water initially has a temperature of 24.2 °C. Assume no heat is added or lost to the surroundings. Calculate the amount heat

    asked by Anonymous
  52. math 4

    matt and mindy each built a rectangular prism that has a length of 5 units, a width of 2 units and a height of 4 units. matt used cubes that are 1 cm on each side. mindy used cubes that are 1 inch on each side. what is the volume of each prism?

    asked by kimmy plus
  53. math

    24 tenths - 1 one 3 tenths =

    asked by Peanut
  54. English

    Using commas While they watched the match, Anita clapped, cheered, and kept score. Antonio asked her name, signed a tennis ball, and shook her head. Because they enjoyed the match so much, Travis, Nick, and Anita made plans to come back for the final match

    asked by Anonymous
  55. Chemistry 2

    For a second order reaction A B, calculate the t1/2 (half life) and the k(constant) and also fill in the blanks. A (concentration) t(time) 20 0 sec 10 ? 5 40 sec 3 ? ? 200 sec t1/2=? k=?

    asked by Ivan
  56. physics

    A 45 kg boy is holding a 12 kg pumpkin while standing on ice skates on a smooth frozen pond. The boy tosses the pumpkin with a horizontal speed of 2.8 m/s towards a 37 kg girl who catches it. The girl is also wearing ice skates. What are the final speeds

    asked by Hal
  57. Math

    The diameter of a circular pizza is 24 in. How much pizza is eaten (in square inches) if half of it is consumed?

    asked by Chloe
  58. Pre Calc

    Solve the following inequality in terms of natural logarithms (ln). (e^6x)+2 is less than or equal to 3.

    asked by Aly
  59. Physic

    The figure below shows a block of mass m resting on a 20¡ã slope. The block has coefficients of friction ¦Ìs = 0.73 and ¦Ìk = 0.53 with the surface. It is connected via a massless string over a massless, frictionless pulley to a hanging block of mass

    asked by Jason
  60. chemistry

    How many mL of 0.716 M HNO3 are needed to dissolve 7.67 g of MgCO3? 2HNO3(aq) + MgCO3(s) Mg(NO3)2(aq) + H2O(l) + CO2(g)

    asked by kammy
  61. physics

    The gravitational force between two metal spheres with the same masses are in outer space is 60 N. How large would this force be if the masses of each sphere were cut to a fourth of its original value? F_{attractive} =_____________ N (no rounding up)

    asked by Melissa
  62. chemistry

    SO42- + HAsO2+ 2H+H3AsO4 + SO2 1. In the above reaction, the oxidation state of sulfur changes from (Answer) to (Answer) 2. How many electrons are transferred in the reaction?

    asked by jenny
  63. Science

    How would renewable energy sources be used in a home?

    asked by Hanna
  64. chemistry

    Write the net ionic equation for the following molecular equation. CoI2(aq) + K2CO3(aq) CoCO3(s) + 2KI(aq)

    asked by kammy
  65. chemistry

    How many grams of PbBr2 will precipitate when excess FeBr2 solution is added to 47.0 mL of 0.563 M Pb(NO3)2 solution? Pb(NO3)2(aq) + FeBr2(aq) PbBr2(s) + Fe(NO3)2(aq)

    asked by kammy
  66. Banking

    Becky has a balance of $2,000 on her credit card. Her minimum payment is $40 on a card with an APR of 17 percent. How much of that payment will go toward paying the interest?

    asked by kim
  67. physics

    an unpolarised light is incident on the boundary between two transparent media. State the contition when the reflected wave is totally plane polarised.

    asked by Tyler
  68. "One Ordinary Day With Peanuts" by Shirley Jackson

    This question regards the short-story "One Ordinary Day by Shirley Jackson. 1. At which aspects of modern life does this story poke fun? A: This story pokes fun at our tendency to classify people –especially as good or bad?

    asked by Anonymous
  69. Physics -- check answers please

    1. what is 67 K equivalent to in Celsius? answer: -206.15 C 2. what is 458.9 Celsius in K? answer: 732.05 3. heat is closely related to: a)temperature b)thermal energy c)force d)convection currents answer: b 4. What does a low efficiency score reveal about

    asked by Lisa
  70. chemistry

    A student determines the cobalt(II) content of a solution by first precipitating it as cobalt(II) hydroxide, and then decomposing the hydroxide to cobalt(II) oxide by heating. How many grams of cobalt(II) oxide should the student obtain if her solution

    asked by jen
  71. Help!!!!!!!!!!!!

    A 0.391 g sample of KHP will be titrated with a NaOH solution with an assumed concentration of 0.100 M. Calculate the volume of NaOH that should neutralize the KHP sample.

    asked by Jackie
  72. algebra

    a reservation clerk worked 13.5 hours one day. she spent twice as much time entering new reservation as she did verifying old ones and one and a half as much time calling to confirm reservation as verifying old ones. how much time did she spend entering

    asked by ediel
  73. chemistry

    The following molecular equation represents the reaction that occurs when aqueous solutions of lead(II) nitrate and magnesium chloride are combined. Pb(NO3)2 (aq) + MgCl2 (aq) PbCl2 (s) + Mg(NO3)2 (aq) Write the balanced net ionic equation for the

    asked by kammy
  74. English

    using colons At 9:10 this morning, we'll be leaving for the natural history museum. Please bring the following materials with you: pencils, paper, erasers, and a notebook. The bus will be back at 4 am to pick us up. The bus will be back at 4:00 a.m. to

    asked by Anonymous
  75. physics

    A uranium nucleus (mass 238 u), initially at rest, undergoes radioactive decay. After an alpha particle (mass 4.0 u) is emitted, the remaining nucleus is thorium (mass 234 u). If the alpha particle is moving at 0.055 the speed of light, what is the recoil

    asked by jill
  76. chemistry

    3PbO2 + 2Cr3++ 2H2O3Pb2+ + 2CrO42-+ 4H+ In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent. 1.name of the element oxidized: 2.name of the element reduced:

    asked by jenny
  77. physics 1

    Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. The orbital speeds of the planets are determined to be 43.6 km/s and 63.5 km/s. The slower planet's orbital period is 8.36 years. (a) What is the mass of the

    asked by Anonymous
  78. math

    a building casts a 25 foot shadow on a sunny day. If the angle of elevation from the tip of the shadow to the top of the building is 65 degrees, what is the height of the building to the nearest tenth of a foot? I did tan =x/25 x=25tan65 x=53.61267301

    asked by diane
  79. English

    using commas "The first match starts at 9:00 A.M.," said Travis. Anita asked, "Do you want to get seats in the same section as yesterday?" "That's fine with me," said Nick. Nick said, "Ferga's first match is in Court B. "I'll bring the binoculars," said

    asked by Anonymous
  80. math

    A tree, in danger of falling , stands 65 feet from the house. The angle of elevation from the bottom of the house to the top of the tree is 50 degrees. If the tree should fall directly towards the house, will it the house? show all work and explain your

    asked by B8
  81. 8th grade math

    firefighters have a 35 foot extension ladder. In order to reach 30 feet up a building, how far away from the building should the foot of the ladder be placed? Express your answer in simplest radial form a^2+b^2=c^2 30^2+x^2=35^2 900+x^2=1225 -900 -900

    asked by diane
  82. S.S

    Which of the following minerals generates the most income for British Columbia? Copper

    asked by Help Please!!!
  83. physics

    A cherry bomb explodes into three pieces of equal mass. One piece has an initial velocity of 12m/sx^. Another piece has an initial velocity of 7.0m/sx^−5.0m/sy^. Part A What is the velocity of the third piece? Enter the x and y components of the velocity

    asked by bety
  84. chemistry

    3PbO2 + 2Cr3++ 2H2O3Pb2+ + 2CrO42-+ 4H+ 1. In the above reaction, the oxidation state of chromium changes from (answer) to (answer). 2. How many electrons are transferred in the reaction?

    asked by jenny
  85. science

    Fill in the blanks? The tendency of an object to resist any change in its motion is called what?

    asked by snow
  86. science

    A force that keeps an object moving in a circle is called?thank you

    asked by snow
  87. English

    using commas While they watched the match Anita clapped, cheered, and kept score. Travis and Nick watched a number of different matches, but Anita followed Fergas. He was signing autographs, and Anita was first in line.

    asked by Anonymous
  88. English

    Using commas They planned the see the men's, women's, and doubles' finals. Fergas won the entire tournament, and he became the youngest champion in the history of the tournament.

    asked by Anonymous
  89. Social Studies

    Why was the Treaty of Guadalupe Hidalgo written?

    asked by Nicole M.
  90. Chem

    Cd(s)+Cu+(aq)→Cd2+(aq)+Cu(s)

    asked by Brianna
  91. need asap trigg

    simplify the expression by using a double angle formula or a half angle formula: a. 2 tan 7 degrees /1-tan^2 7 degrees b.2 tan 7 theta / 1-tan^2 7 theta

    asked by Kaylee
  92. banking

    Suppose you borrow $5,000 and make 12 equal payments to retire the debt. If the finance charge for the loan is $400, what will the amount of each monthly payment be?

    asked by kim
  93. chemistry

    SO42- + HAsO2+ 2H+H3AsO4 + SO2 In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent. 1. name of the element oxidized: 2. name of the element reduced: 3. formula

    asked by jenny
  94. chemistry

    A 0.5917 g sample of a pure soluble chloride compound is dissolved in water, and all of the chloride ion is precipitated as AgCl by the addition of an excess of silver nitrate. The mass of the resulting AgCl is found to be 1.5683 g. What is the mass

    asked by smith
  95. Math

    Chad buys peanuts in 2 pound bags. He repackages them into bags that hold 5/6 pound of peanuts. How many 2 pound bags of peanuts should Chad buy so that he can fill the 5/6 pound bags without having any peanuts left over?

    asked by Rob
  96. English

    Using semicolons Colleen is a clever teacher;she is also an inspiring one. Her lectures are interesting; they are full of information. She has a college degree in history; world history is her specialty. She begins her classes by answering questions; she

    asked by Anonymous
  97. LIFE ORIENTATION

    identify three study fields/ career paths in order of preference and provide two reasons for each choice

    asked by LEON Z BRITZ
  98. S.S.(Can you correct)1 question

    By which title was Darius known to the Persian people? A. Oracle of Delphi B. Lawgiver ******* C. Father of Democracy D. King of Kings I think it's B. Please and Thank-You! :)

    asked by dark1
  99. English

    adding dashes There was a loud boom--what a fright--from the back of the theater. We all turned around--I even jumped up-to see what it was. It was part of the play-imagine-that meant to add suspense.

    asked by Anonymous
  100. physics

    A 16g bullet moving horizontally at 400 m/s penetrates a 3.2kg wood block resting on a horizontal surface.(Figure 1) Part A If the bullet slows down to 300 m/s after emerging from the block, what is the speed of the block immediately after the bullet

    asked by bety
  101. Trigonometry - LONESTAR

    The figure below is a model of a Ferris wheel. The diameter of the wheel is 191 feet, and one complete revolution takes 15 minutes. The bottom of the wheel is 11 feet above the ground. Complete the table below. (Round your answers to two decimal places.) t

    asked by Angels
  102. math

    8.246 - 5 hundredths =

    asked by Peanut
  103. physics

    A 25.5- kg block (m1) is on a horizontal surface, connected to a 5.7- kg block (m2) by a massless string as shown in the Figure. The pulley is massless and frictionless. A force of 239.3 acts on m1 at an angle of 32.1 . The coefficient of kinetic friction

    asked by Chris
  104. English

    find where the commas should be in the paragraph Our neighbor, Lamont, has fruit trees on his property. "Lamont, what kinds of fruit do you grow?" I asked. "Well, I grow peaches, apricots, pears, and plums," he replied. "Wow! That's quite a variety," I

    asked by Anonymous
  105. Math

    On joes farm there are 99 animals. There are four times as many cows as horses on the farm. There are twice as many horses as lives. How many horses, cows, and pigs are there?

    asked by Sydney
  106. chemistry

    a 0.2000 grams sample of aluminum metal is added to a solution containing 1.0000grams of an unknown compound made of platinum and chloride ion. the reaction results in the formation of aluminum chloride and platinum metal. when the reaction is complete,

    asked by Anonymous
  107. statistics

    On the average five customers visit a children department store each hour. Using Poisson distribution, calculate the probability of three customers shop at the store.

    asked by Anthony
  108. English

    adding dashes where needed There was a loud boom -- what a fright from the back of the theater. We all turned around -- I even jumped up to see what it was. It was part of the play -- imagine that meant to add suspense. I'd love to see the play again --

    asked by Anonymous
  109. Physics

    Determine the force of gravity on an 850 kg car.

    asked by Joe
  110. Geometry

    Determine if the conjecture is true or false based on given information. Given: Point P is the interior of

    asked by Kylee
  111. math

    What is the acceleration due to gravity at a distance of 1.2 Earth radii above Earth�s surface? Use M_{Earth} = 5.972 x 10^{24} kilograms and r_{Earth} = 6370 km a_{gravity} =______________{m}{s^2}

    asked by Melissa
  112. math

    John bought a rectangular door mat that was a half meter long and 3 tenths meter wide.How do I show a visual model to show the area of the mat?

    asked by zion
  113. English

    Using commas Dr. Perillo, a nutritionist, is an expert on proper eating. "Students, it's important to eat a well-balanced diet," she said. "Yes, but how do we know what the right foods are?" asked one student.

    asked by Anonymous
  114. math

    A pair of shoes that you want has a reg. price of 76$ today they are on sale for 51$ what did the percent of the discount. round to nearest whole percent

    asked by Matt
  115. physics

    a truck of mass 8500Kg is pulling a trailer of mass 27 000Kg on a level road.The coefficient of kinetic friction is 0,20.A horizontal force of 75 000N moves the truck forward.question:calculate the magnitude of the acceleration of the system

    asked by Bheki
  116. pharmacy math

    Rx Potassium 2:5 Chloride solution 30ml. How many milliliters of a potassium chloride 3:5 solution do you need to prepare the order?

    asked by Anonymous
  117. Math

    Jake serves a volleyball with an initial velocity of 32 feet per second from 4.5 feet above the ground at an angle 0f 35 degrees. a) Write parametric equations to model the situation. h(t) = -16t^2 + 32t + 4.5 --------------------------------------- b) How

    asked by Alexis
  118. math

    the ratio of the length of a blanket to its width is 12 to 8. how many times greater is the length than the width of this blanket? if the length of the blanket is 9 feet, calculate the width in inches.

    asked by 6 th grade
  119. Please help Math

    a. Use the formulas for lowering powers to rewrite the expression in terms of the first power of cosine: (cos^4)x (or cos*x to the 4th power) b.Use an appropriate Half- Angle Formula to Find the Exact value of the expression: 1. tan 15(Degrees) 2. cos

    asked by Tricia
  120. math

    Anthony wishes to sell a $5,000 fixed-rate bond with a 3% coupon. The bond has two years left to maturity. What is the most money this bond could be worth?

    asked by jim
  121. physics

    Two spacecraft in outer space attract each other with a force of 45 N. What would the attractive force be if they were \frac{1}{5} as far apart? F_{attractive} = _____________N (no rounding up)

    asked by Melissa
  122. Mathematics

    Express the Complex Number -1-i in polar form. how is complex no expressed in polar form? what is polar form of complex no? Please help

    asked by Sykox
  123. history

    As president, Grover Cleveland antagonized A. Western cattlemen and businessmen by restoring many acres of public lands to the federal government B. Democrats by putting many of his fellow Republicans into political positions C. Mugwumps by allowing

    asked by Anonymous
  124. Triggggggg ;(

    Use your graphing calculator to graph y = cos^−1(x)in degree mode. Use the graph with the appropriate command to evaluate each expression. (a)cos^−1(√2/2) = ___________˚ (b)cos^−1(-1/2) = _____________° (c)arccos (√3/2) = _____________˚ What

    asked by Anonymous
  125. English

    Using commas correctly Before they found their seats, the first match had already begun. It was a close game, and they weren't disappointed by the final score. They had come to cheer for Antonio Fergas, and he was the winner. Although his opponent was very

    asked by Anonymous
  126. Intermediate Algebra

    The base of the triangle is 5 cm greater than the height. The area is 33 cm^2. Find the height and the length of the base. The height of the triangle is ___ cm The base of the triangle is ___ cm

    asked by Spacegazing
  127. English

    using commas "First, you need to look carefully at your eating habits," said Dr. Perillo. "Yes, you should keep a journal of the foods you eat," she said. "Dr. Perillo, what do you mean by the right servings?" asked Emilio. "Ok, good question," she said.

    asked by Anonymous
  128. English

    Using commas "A serving, Emilio, is a certain amount of food," said Dr. Perillo. "Dave, a cross-country runner, will need more calories than a less active student," explained Dr. Perillo. "Class, remember to eat foods from the five basic food groups," she

    asked by Anonymous
  129. maths literacy,geography,history and english

    which career field do i belong to!

    asked by hazel
  130. Algebra

    Mary has a total of $5000 invested in two accounts. One account pays 5% and the other 8%. Her interest in the first year was $331. Write and solve a system of equations to find out how much she has invested in both accounts.

    asked by Steveo
  131. Chemistry

    I am learning the different types of chemical reactions synthesis, decomposition, single displacement, and double displacement I am also learning skeletal equations word equations and balancing the equations I know how to balance equations if I am given

    asked by Sam
  132. English

    Using colons The special exhibit on birds contains the following types: prehistoric birds, seabirds, and domestic birds. The letter we wrote to the museum began Dear Sir: Please let us know when the special exhibition on penguins will be shown at your

    asked by Anonymous
  133. English

    Using hyphens The director told us that there would be room for only tow busloads, or eighty-four people. The play was going to be in an old-fashioned theater. Between-acts the theater was completely dark, but the orchestra continued to play anyway. The

    asked by Anonymous
  134. English

    Using hyphens Between acts the theater was completely dark, but the orchestra continued to play any-way.

    asked by Anonymous
  135. Math

    Consider the initial value problem y'' +5y'+6y=0, y(0)=4.87 and y'(0)=Beta where Beta>0 Determine the coordinates t_m and y_m of the maximum point of the solution as functions of Beta.

    asked by Yarielis
  136. Math

    what is a measurement that is not equal to 8 cups?

    asked by Help
  137. Math Trigg

    Find sin 2x, cos 2x, and tan 2x from the given infomation csc x=4, tan x < 0

    asked by Kaylee
  138. math

    Find the percent of increase to decrease to the nearest percent… 1. 12 to 4 2. 15 to 20

    asked by ★★ PLEASE HELP ★★
  139. Grammar (Writeacher)

    Do agree with my answer? Also, is it grammatically correct? This question regards the short-story "One Ordinary Day, With Peanuts" by Shirely Jackson. 1. Is this the sort of wife you would have imagined for Mr. Johnson, based on your impressions of his

    asked by Anonymous
  140. English

    using dashes There was a loud boom--what a fright--from the back of the theater. We all turned around--I even jumped up--to see what it was. It was part of the play--imagine--that meant to add suspense.

    asked by Anonymous
  141. math

    the triangle CDE, m

    asked by B8
  142. home,school &COMMUNITY

    DESCRIBE THE CONFLICTING EMOTIONS THE PARENT MAY HAVE THAT CONTRIBUTE TO THIS FEAR

    asked by bethy
  143. Spelling

    Is absent a repeated consonant or different consonant? Need help

    asked by Josh
  144. stats

    If a random sample of size n = 65 is drawn, find ¦Ìx, ¦Ò x and P(24 ¡Ü x ¡Ü 26). (Round ¦Ò x to two decimal places and the probability to four decimal places.) ¦Ìx = Correct: Your answer is correct.

    asked by ruth
  145. world history 2

    ok next Canal question. Who built the Erie Canal why and with what technology?

    asked by Hannah
  146. math

    Ramesh bought 150 share at the rate of rs. 10 per share. company give 15% profit and he get 10% on his investment.find the rate of share.

    asked by ajit kumar
  147. math

    the right triangle ABC,

    asked by B8
  148. physics

    A 470-kg satellite experiences a gravitational force of 850 N. Use M_{Earth} = 5.972 x 10^{24} kilograms and r_{Earth} = 6370 kilometers What is the radius of the satellite�s orbit? r_{orbit} = _____________kilometers What is its altitude? altitude =

    asked by Melissa
  149. physics

    The acceleration due to gravity on a certain planet is about 6.5 \frac{m}{s^2}. What would a 78-kg scientific instrument weigh on Titan? W_{instrument} =______________ N (no rounding up)

    asked by Melissa
  150. Grammar

    Are the commas correctly placed in the sentence below? "Overall, the plan is going to stop bullying by raising awareness, and by outlining consequences."

    asked by Anonymous
  151. Chemistry

    a mixture of 34.0g of ammonia and 50.0g of elemental oxygen react to form elemental nitrogen and water. Please write a balanced chemical equation for this reaction. Find the theoretical yield of water in grams and give the amount of excess reactant in

    asked by Tra
  152. math

    a clipboard costs $2.23. It costs $0.58 more than a notebooh. Lisa buys two clipboards and one notebook and paid with a ten dollar bill. use a tape diagram with calculations to show her change.

    asked by Peanut
  153. life orientation

    Five symptoms of diabetes

    asked by thapelo
  154. history (presidents)

    Which of the following lists of presidents is in correct chronological order? A. Roosevelt/Taft/Arthur/Wilson/Grant B. McKinley/Roosevelt/Johnson/Buchanan/Cleveland C. Jefferson/Monroe/Taylor/Harrison/Harding D. Coolidge/Hoover/Adams/Reagan/Lincoln E.

    asked by jaz
  155. social studies

    Alexander Falconbridge eventually became governor of a colony for freed slaves in Sierra Leone in Africa, What do you think motivated him to do this?

    asked by ★★ PLEASE HELP ★★
  156. One Ordinary Day by Shirley Jackson--Please, help!

    Please, help me! This question regards the short-story "One Ordinary Day by Shirley Jackson. 1. At which aspects of modern life does this story poke fun?

    asked by Anonymous
  157. history

    As president, Grover Cleveland antagonized A.Western cattlemen and businessmen by restoring many acres of public lands to the federal government B.Democrats by putting many of his fellow Republicans into political positions C.Mugwumps by allowing

    asked by Anonymous
  158. Math

    1.9x-1.9y=3.8 (graph)

    asked by Someone
  159. Math

    if m

    asked by Kylee
  160. Math

    Solve for x: 3x + 20 and 2x + 24

    asked by Kylee
  161. Microbiology

    What is the reducing power and how many proteins are pumped by the fatty acid side chains of triglyceral?

    asked by Harley
  162. English Answer Check (Writeacher)

    These questions regard the poem "Jabberwocky." 1. One critic said that "Jabberwocky," despite its odd language, tells a story like many legends of knights and dragons. Do you agree? Why or why not? A: I agree with this critic’s opinion because, like

    asked by Anonymous
  163. AP Chemistry

    In neutralization reactions, acid + base -> salt + water HCL can be neutralized with NaOH. How many moles of NaOH will it take to neutralize 0.56 L of 0.51 M HCl?

    asked by Anonymous
  164. USA STUDIES

    What were some of the benefits of the Articles of Confederation?

    asked by Kaylee
  165. Biology

    Which earthworm organ serves excretory function by excreting metabolic waste?

    asked by Sarah
  166. Algebra 1

    Explain why any two regular n-sided polygons would be considered to be similar and how knowing this information could help in solving real-world problems.

    asked by Zoey
  167. Mathmatics

    a. Use the formulas for lowering powers to rewrite the expression in terms of the first power of cosine: (cos^4)x (or cos*x to the 4th power) b.Use an appropriate Half- Angle Formula to Find the Exact value of the expression: 1. tan 15(Degrees) 2. cos

    asked by Tricia
  168. AP Chemistry

    If 252mL of 2.5molar HCl solution is added to 343 mL of 2.8 molar Ba(OH)2 solution, what will be the molarity of BaCl2 in the resulting solution?

    asked by Anonymous
  169. English

    using dashes It was part of the play--imagine that meant--to add suspense.

    asked by Anonymous
  170. health

    Which one of the following items should be included in a personal contract? A. A sample contract from another person B. The stage of change when you finish C. The time of day you begin your plan D. The opinion of related specialists and experts

    asked by xd
  171. physics

    Find the center of mass of a system composed of three spherical objects with masses of 3.0kg , 1.6kg , and 4.3kg and centers located at (-6.7m , 0), (1.0m , 0), and (2.7m , 0), respectively. Express your answers using two significant figures separated by a

    asked by bety
  172. Chemistry 2

    What is the molarity of 50.0 mL solution of aluminum sulfite that contains 80.0 g of this salt? (Al=27.0, S=32.0,O=16.0)

    asked by Ivan
  173. Pre-Calculus

    Phil Dawson is a professional place kicker for the Cleveland Browns. On average, he kicks the ball at a 41 degree angle and with an initial speed of 70 feet per second. For future reference, goal posts are 10 feet high in the NFL. a) Write parametric

    asked by Alexis
  174. Physical Sciences

    A man with a mass of 80KG stands on a bathroom scale on the floor of a lift. Determine the reading of the scale if the lift moves downwards with a constant velocity at 2metre per second.

    asked by Sello
  175. Trigg

    Find sin 2x, cos 2x, and tan 2x from the given infomation csc x=4, tan x < 0

    asked by Kaylee
  176. Science

    A man with a mass of 80KG stands on a bathroom scale on the floor of a lift. Determine the reading of the scale if the lift is at freefall.

    asked by Sello
  177. Chemistry 2

    For the reaction: 2A + 3B 4C Kinetic data are as follows A B time needed 10mL 5mL 720 seconds 20mL 5mL 180 seconds 20mL 10mL 90 seconds 30mL 20mL ?? The rate of the equation is?

    asked by Ivan
  178. Math

    How do you find the derivative of ln(xy)=x+y

    asked by Anna
  179. Science please help

    Draw Bohr diagrams of a magnesium atom bonding with fluorine atoms. Draw atoms then electron transfer and finally the ions that form. What type of bonding occurs? Draw Bohr diagrams of 2 hyrdogen atoms bonding with an oxygen atom by sharing electrons to

    asked by Anonymous
  180. pre calculus

    solve nonlinear inequality x^4 > x^2

    asked by Danielle
  181. Physics

    Can I know what is the 10 benefits of using different units of measurements?

    asked by Nalia
  182. Chemistry 2

    When we mix 25.0 mL, 2.0 M BaCl2 with 25.0 mL, 3.0 M Na2SO4 what is the balanced equation? What is the ionic equation? what is the net ionic equation?

    asked by Ivan
  183. math

    0.26 ,0.2616 bar 16 which one is irrational number

    asked by ajit kumar
  184. Math

    Gold medalist, in freestyle skiing, Justine Duford-Lapointe, is trying to get to her hotel. She can travel north and east. The grid is a 5*5 followed by a 2*2, followed by a 8*8. How many ways can she take to her hotel?

    asked by Sandy
  185. Math

    what is 11 4/9 + 5 1/3

    asked by Shaniquia
  186. English

    listen= to pay attention in hearing ----------------------- What is the meaning 'in hearing'?

    asked by rfvv
  187. MATH

    2BOYS:7GIRLS=5BOYS:?GIRLS. PLEASE SOLVE IT

    asked by N
  188. Physics

    It takes 56 J to push a block 4 m. If the force is in the same direction as the displacement, what is the force on the block?

    asked by Tyler
  189. physics 1

    Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 418 km above the earth’s surface, while that for satellite B is at a height of 731 km. Find the orbital speed for (a) satellite A and (b) satellite B.

    asked by Anonymous
  190. Science

    What is the origin of volcanism?

    asked by Charlotte
  191. MATH

    2BOYS:7GIRLS=5BOYS:?GIRLS OPTIONS ARE 24,25,124,15 PLEASE CALCULATE IT.

    asked by N
  192. math

    sec tangent= 2 square root of 3/3 and sin tangent= -1/2; find cot tangent

    asked by Melissa
  193. Chemistry

    What would be the volume of 5.0 moles of gas at STP? Can you explain how to do it please?

    asked by Linda
  194. geometry

    how can i prove (s-b)/r = r(lowercase a)=(s-c)?

    asked by victoria
  195. Math

    (cosx - sinx)^2 + (cosx + sinx)^2 = 2 Iam in this step: 2cos^2(x) + 2sin^2(x) = 2 How can I make the equation on the right equal 2

    asked by Luis
  196. Math

    Mrs. Marcincavage allowed each student in her math class to drop the lowest of their five test scores. When Matthew dropped the lowest of his test scores, a 60, his test average increased by 5 points. What is Matthew’s new test average?

    asked by Elizabeth
  197. Math

    what is 5-16 tenths

    asked by Peanut
  198. Trigonometry - LONESTAR

    Simplifying steps without using the calculator for: tan(cos^-1(-1/10)) cos(sin^−1(1/x)) Assume x is positive tan(cos^−1(12/13)) cos^−1(cos 150°) This is pretty much the entire section we are doing. My teacher is a robot and has us self teach

    asked by Angels
  199. physics

    An astronaut in full gear has a weight of 2900 N on Earth. Jupiter; weight on planet relative to earth is 2.53 and weight of a 150-lb person is 380. How much will the astronaut weigh on the Jupiter? W_{Jupiter} =________________ N Neptune; weight on planet

    asked by Melissa
  200. Chemistry 2

    For the fist order reaction A B, calculate the t1/2(half life) and k(rate constant) and also fill in the blanks. A-Concetration t-time 20 0 10 ? 5 40 sec 3 ? ? 500 sec t1/2=? k=?

    asked by Ivan
  201. pre algebra

    three of every seven sales transaction are on credit cards, what percent of the transactions are not on credit cards

    asked by Anonymous
  202. cincinati public school

    worksheet 13 unit rates comparison

    asked by youssouf
  203. Math

    One bottle of juice is 1/4 filled. Another smaller bottle holds 20 fluid ounces. if the contents from the larger bottle are poured into the smaller bottle, the bottle is 7/8 filled. how many fluid ounces does the larger bottle holds

    asked by kimi
  204. health

    whos on here for ashworth.?

    asked by hailey
  205. Maths

    I’m a 4-digit number. My 1st 2 digits from the left are divisible by 5. My 3rd and 4th digits from the left are divisible by 9. The sum of my digits is 18. Each of my digit is different. I’m divisible by 4. I’m less than 6000. My units digit is twice

    asked by Zanele
  206. Physics

    A plane flying in a straight line at constant altitude of 2000 m above the ground with a speed of 200m/s drops an object. Explain how the velocity of the object is actually affected by air resistance. Show how the resistivity force of air and velocity of

    asked by Shin
  207. Math

    How does: sin^2(x) - cos^2(x) = 1 - 2cos^2(x)

    asked by Luis
  208. Physics

    The lower half of an inclined plane is rough the upper half being smooth a particle is allowed to slide from the top and is brought to rest by friction just as it reaches the bottom, find the ratio of the force of friction to the weight of the particle

    asked by Ermias Abebe
  209. geometry

    The measure of an exterior angle of a regular polygon is given. Find the number of sides of the polygon? Given number is 72?

    asked by Dylan
  210. math

    A marble is 12 mm in diameter. what is the smallest height of a box that is 96 mm square that can hold 200 marlbles and still have a lid fit on the box without interference? A.12mm B.24 C.36mm D.48mm E.60mm

    asked by Anonymous
  211. statistics

    Conduct an ANOVA comparing participants recall will vary as a function of stress levels. Conduct an ANOVA comparing participants recall at Time 1 across all three stress level conditions (low, medium, and high). Coduct post hoc tests if needed, using the

    asked by joy
  212. marketing

    develop 1 advertisement that matches the customers buying behavior of johnson and johnson product

    asked by rosita
  213. Science

    What types of experiments may be helpful to determine how to keep E. Coli from spreading quickly?

    asked by Anonymous
  214. chemistry

    How would applying an external pressure on the following equilibrium affects the distribution of iodide between the polar (aqueous) and non polar (varsol)

    asked by Scarlett
  215. Physics

    The lower half of an inclined plane is rough the upper half being smooth a particle is allowed to slide from the top and is brought to rest by friction just as it reaches the bottom, find the ratio of the force of friction to the weight of the particle

    asked by Ermias Abebe
  216. statistics

    Conduct an ANOVA comparing participants recall will vary as a function of stress levels. Conduct an ANOVA comparing participants recall at Time 1 across all three stress level conditions (low, medium,and high). Conduct post hoc tests if needed, using the

    asked by joy
  217. math101

    how do you solve 1/4x-18=1/2x-6

    asked by patricia
  218. math

    what would 2 yards,1 foot,10 inches equal to,i put 83 inches but im not sure?

    asked by zion
  219. math

    Find the percent of increase or decrease to the nearest percent… 1. 8 to 10 2. 45 to 18 3. 12 to 4 4. 15 to 20

    asked by ★★ PLEASE HELP ★★
  220. Math

    Order these factions from the smallest to largest 7/10 3/4 2/5 1/2 2/3

    asked by Anabelle
  221. health

    Posture, ________, is maintained as a result of muscle contraction.

    asked by Anonymous
  222. Math

    Please help me!! 1.9x-1.9y=3.8 Pllleeeaaassseee help me !!!

    asked by Someone
  223. stats

    chance+of+winning+if+you+play+10+times+what+is+the+probability+of you+winning+once if you have a 10% chance of winning each time

    asked by andrew
  224. Math

    What are the intercepts for 1.9x-1.9y=3.8

    asked by Someone
  225. mathametics

    (x + 6)^2=16

    asked by minkie
  226. Microbiology

    What is the reducing power and how many protons are pumped by the fatty acid side chains of triglyceral?

    asked by Harley
  227. Geometry

    what is the image of a(3 -1) after a reflection, first across the line y=3, then across the line x=-1 (-5,7) (3,-1) (-5,-1) (-1,-5)

    asked by Kandy
  228. Math oops

    2.1x+3.5y=10.5

    asked by Someone
  229. math 2

    a mannufactue ships its poducts in boxes with edges of 4 inches. if 12 boxes are put in a caton and completely fill the caton, what is the volume of the carton?

    asked by kimmy plus
  230. Math

    Draw 2y+8=0

    asked by Mahlatse
  231. math101

    -7+z ¡Ü 3z+7 and 2(z-3)

    asked by patricia
  232. Math help

    How do you factor this trinomial? Need help!! 5u^2-3uv-2v^2

    asked by Anonymous
  233. Spanish

    ¿Cómo quieres que sean / funcionen los medios de comunicación? I just wanted to know what this sentence translates to Muchas gracias

    asked by Tina
  234. Algebra help PLEASE?

    I need the the volume of this cylinder as if it were a cone. Radius = 10cm Height = 20 cm

    asked by Aniston
  235. Math

    Y=2x-14

    asked by Someone
  236. english

    How is the more direct performative aspect of drama and/or poetry reflected in these forms?

    asked by Anonymous
  237. pharmacy math

    In what proportion should you combine 1:30 soaking solution and distilled water to create a 500ml solution of 1:70 concentration?

    asked by Anonymous
  238. Physics

    A 500 kg go-cart is traveling at 15 m/s when the driver slams on the brakes. The cart comes to a stop in 7 m. If the same braking force is applied, how far will the cart travel after braking if it were traveling at 32 m/s?

    asked by Anonymous
  239. Chemistry 2

    For the fist order reaction A B, calculate the t1/2(half life) and k(rate constant) and also fill in the blanks. A-Concetration t-time 20 0 10 ? 5 40 sec 3 ? ? 500 sec t1/2=? k=?

    asked by Ivan
  240. math

    A waiter earns a salary of $500 per month for working 4 hrs a day. In may, he worked additional hours at $10 per hour and earned $650 for the month

    asked by Anonymous
  241. Algebra help PLEASE?

    I need the volume of the cylinder Radius = 10 Height = 20

    asked by Aniston
  242. Pre-Calculus

    A 15N force acting at 15 degrees north of east and a 18N force acting at 79 degrees north of west act concurrently on an object. What is the magnitude and direction of a third force that produces equilibrium on the object? Show sketch and work. ------

    asked by Alexis
  243. Pre-Calculus

    Write Parametric equations of -3x+1/2y=2

    asked by Alexis
  244. Math

    What is 45r^2*3.14*494?

    asked by Amy
  245. Pre-Calculus

    Write an equation in slope-intercept form of the line with the given parametric equations. x=t+6 y=2t-4

    asked by Alexis
  246. banking

    If 6 percent of all credit card charges never get paid, and total credit card charges last year were $750 billion, what was the total amount of unpaid credit card charges last year?

    asked by kim
  247. math

    I'd you bought a picture frame that cost 25 dollars and it was half off the original price. What is the decimal and percent that represents the discount she received.

    asked by Kendall Taylor
  248. Science

    What types of experiment may be helpful to determine how to keep E. Coli from spreading quickly?

    asked by Anonymous
  249. Math Analysis 2

    assume that x=x(t) and y=y(t). Let y= (x^3)+4 and dx/dt=5 when x=2. dy/dt when x=2

    asked by Nina
  250. Math

    You have 14 gloves in the lost and found. 5 of them are red, two are black, 4 are grey and the rest are yellow. What fraction of the gloves are Yellow?

    asked by Lynnae
  251. math

    write an equation of the line containing the given point and parallel to the given line. express your answer in the form y=mx+b (6,9)x+4y=5

    asked by dam
  252. Math

    I need help !! 4j -5 =21 what is j N/5 +10= 20 what is n

    asked by Anabelle
  253. 6 grade math

    How do you solve this problem: x + 2 1/5 = 7?

    asked by someone
  254. Math

    When finding the perimeter of a figure on a grid, why do you not count the spaces inside the grid?

    asked by Dominic
  255. Grammar Check

    Identify the underlined word as either a direct object or the object of a preposition. 1. I have a _job_.... A: direct object?

    asked by Anonymous
  256. mathematics

    solve for x. (x+2)^2=16

    asked by minkie
  257. physics

    A 4.4kg ball with a velocity of 4.6m/s in the +x-direction collides head-on elastically with a stationary 2.1kg ball. Part A What is the speed of the first ball after the collision? Part B What is the direction of the velocity of the first ball after the

    asked by bety
  258. physics

    Two skaters with masses of 66kg and 47kg , respectively, stand 5.5m apart, each holding one end of a piece of rope. Part A If they pull themselves along the rope until they meet, how far does each skater travel? (Neglect friction.) Part B If only the 47kg

    asked by bety
  259. Algebra 1

    Explain why any two regular n-sided polygons would be considered to be similar and how knowing this information could help in solving real-world problems.

    asked by HELP
  260. physics

    A 500 kg go-cart is traveling at 15 m/s when the driver slams on the brakes. The cart comes to a stop in 7 m. If the same braking force is applied, how far will the cart travel after braking if it were traveling at 32 m/s?

    asked by Anonymous
  261. algebra

    Rachel has 15 coins with a value of $2.85. If the coins are either dimes or quarters, how many of each coin does she have? Write and solve using a system of equations

    asked by billy
  262. algebra

    A music concert was attended by 450 people. Adult tickets sold for $70 and children’s tickets for $40. If total sales were $27,750, how much of each ticket was sold?

    asked by billy
  263. English

    Fill in the blanks? If a goofball and a bowling ball are rolling at the same speed, the.blank? Ball has a greater momentum?

    asked by snow
  264. physics

    a rock with a mass of 2 kg is thrown from the top of a cliff 75 m high with a velocity of 10m/s. how much Kinetic energy does it have when it gets to the bottom?

    asked by Jenni
  265. college algebra

    if a computer cost and electronics dealer $300 and she sell them for $800 what is her rate of Profit based on the selling price

    asked by Chenita
  266. math

    Five houses, next door to each other, are on the even side of the road. They are all three digit numbers and the largest is a perfect cube.The second lowest is a triangle number.

    asked by george
  267. Physics

    A 6 kg brick is falling at a rate of 48.9 m/s toward the earth at a current height of 14 m. What is the total mechanical energy of the brick? (total mechanical energy= Eg+Ek+Eel) What is the answer in Joules?

    asked by Anonymous
  268. Vinegar

    What does vinegar feel like? And does it make a sound when it's poured?

    asked by Anonymous
  269. 6th grade math

    Mark is alternating sqaure tiles with lengths of 4in and 2 in. along the edge of a 6 foot long wall. If he starts with a 4 in tile and ends with a 2 in tile, how many tiles will he use in all? Draw a diagram to solve.

    asked by Mary Ellen
  270. math

    how do you do this problem h=2A/b1+b2 solve for b1

    asked by amanda
  271. college algebra

    Mitsuko salary for next year is $44490. This represents a 7% increase over this year's salary. Find mitsuko present salary.

    asked by Chenita
  272. Physics

    Two charges repel each other with a force of 10-6N when they are 10cm apart. when they are brought closer together until they are 2cm apart the force between them becomes?

    asked by Nancy
  273. MATH

    Determine the equation of a line that is perpendicular to the line 2x+3y=7 and passes through the point (0,6) What is the volume if the prism in terms of y? 1st dimension: 2y+1 2nd dimension: y 3rd dimension: y+3

    asked by Anonymous
  274. Science

    What types of experiments may be helpful to determine how to keep E. Coli from spreading quickly?

    asked by Anonymous
  275. Pre-Calculus

    Find vector a X vector b

    asked by Alexis
  276. world history

    who built the suez canal why was it built and what technology was used?

    asked by Hannah
  277. Social Studies

    How can you make a good closing statement for Eastern Africa?

    asked by Anonymous
  278. basic excel

    Write one Microsoft excel formula that works for conditions below on cell C1 for any number: a) IF A1+B14 but 9 but 15, return $75

    asked by jay
  279. math

    A construction worker on the roof of a 17 meter building in NYC is speaking to his boss on the ground. If the boss is standing 9 meters from the building, from the angle of depression from the construction worker to his boss. I used the formula Tan=o/a tan

    asked by B8
  280. Physics

    A 6 kg brick is falling at a rate of 48.9 m/s toward the earth at a current height of 14 m. What is the total mechanical energy of the brick? (total mechanical energy= Eg+Ek+Eel) What is the answer in Joules?

    asked by Help me please
  281. Physics

    If I carry a 27 kg bag horizontally across the floor a distance of 14 m. How much work did the FORCE OF GRAVITY do on the bag?

    asked by Jabari
  282. english

    an alternate ending to the story, the bicycle by Jillian Horton 200-250 words in lenght please!! It's due tomorrow and I'm stressing out. If you haven't read it before here's the

    asked by Anonymous
  283. Geometry/Trig

    A plane is flying and show an air speed of 130 mi/h. However, there is a 20 mi/hr crosswind. What is the resulting speed of the plane.

    asked by Anna
  284. Physics

    The mass on a pendulum is given 20 J of potential energy. If the mass is 2 kg, how high, in meters, was it raised? Please round your answer to the nearest whole number and use g = 10 m/s2

    asked by Chrissy Gregory