Questions Asked on
January 10, 2013

  1. Pre-Calculus

    Driving down Bald Mountain in Wyoming, Bob dean finds that he descends 1600 feet in elevation by the time he is 2.5 miles (horizontally) away from the high point on the mountain road. Find the slope of his descent (Hint: 1 mile = 5280 feet) After

    asked by Caroline
  2. Physics

    A 75.0kg bobsled is pushed along a horizontal surface by two athletes. After the bobsled is pushed a distance of 4.5m starting from the rest, its speed is 6.0m/s. Find the magnitude of the net force on the bobsled.

    asked by christian
  3. Physics

    An electron with a horizontal speed of 4.0 * 10^6 m/s and no vertical component of velocity passes through two horizontal parallel plates. The magnitude of the electric field between the plates is 150 n/c the plates are 6.0 long A) calculate the vertical

    asked by Kara
  4. trigonometry

    A ship sails 15.0 mi on a course S40°10’W and then 21.0 mi on a course N28°20’W. Find the distance and direction of the last position from the first.

    asked by anonymous
  5. Math

    Write a ratio for the situation in three ways, comparing the first quantity to the second quantity. A zoo has 19 monkeys and 10 chimpanzees. 19 to 10, 19:10, (This) 10 to 29, 10:29, 19 to 29, 19:29, 10 to 19, 10:19, Write three ratios equal to 5/40. 2/14,

    asked by A
  6. Math

    Find the cost of erecting a fence around a squar field, whose area is 729 hectares at the rate of Rs.1.50 per metre. (1 hectare=10000m2)

    asked by zulfiqar
  7. chemistry

    Calculate the density of M&M’s given the following data: Mass of 250.0 mL beaker = 197.816 g Mass of beaker and 20 M&M’s = 342.816 g Volume of water in graduated cylinder = 8.0 mL Volume of water in graduated cylinder and 10 M&M’s = 18.5 mL (Points :

    asked by bob
  8. physics

    You generate a wave in a spring, stretched out on the floor, by oscillating your hand back and forth at a frequency of 1.6 Hz. The wave has a 1.5-m wavelength. If the wave takes 2.9 s to travel to the other end of the spring and back to your hand, what is

    asked by Anonymous
  9. Medical billing and coding

    Which of the following statements are true regarding Medicaid? A) Requirements are the same from state to state B)It is administered by state and local governments. C)It is only for those over 65 D)It is administered by the federal government

    asked by Yorhe
  10. Social Studies

    How big is japan compared to California? A. Half as large with twice the population B.Twice as large, with half the population C.About the same size with four times the population D. four times as large, with about the same population

    asked by T.J And the Vibe
  11. math

    jordan has a bag that contains 246 marbles. there are 51 brown marbles and 195 gray marbles. estimate the percent of the brown marblesin the bag.

    asked by cynthia
  12. chemistry please help

    The reaction between hydrogen and chlorine gases gives hydrogen chloride gas in the following reaction: H2(g) + Cl2(g) = 2HCl(g) It is found experimentally that 1 mole of H2 gas reacts with 1 mole of Cl2 gas at constant temperature and pressure, to release

    asked by john
  13. Math PLEASE HELP!!!

    Part 1: A rectangular box is 2 inches high, 3.5 inches wide amd 4 inches long. A cyliner box is 3.5 inches high and has a diameter of 3.2 inches. Use 3.14 for pi. Round to the nearest tenth. Part 2: whWhich box has a larger volume. How much bigger is the

    asked by Sammy
  14. math

    A tree casts a shadow 7.5 ft. long at the same time that a woman 5 ft. tall casts a shadow 3 ft. long. How tall is the tree?

    asked by mike
  15. math

    Divide 7 by 0.27 and write the answer rounded to the nearest whole number

    asked by jazzi
  16. Physics

    An electron with a horizontal speed of 4.0 * 10^6 m/s an no vertical component of velocity passes through two horizontal plates. The magnitude of the electric field between the plates is 150 n/c. The

    asked by Kara
  17. Geometry

    Find the area of a segment formed by a chord 8" long in a circle with radius of 8".

    asked by Panda
  18. math

    80,000,000 in standard form?

    asked by citlalli
  19. math

    A drivers distance varies directly as the amount of time traveled. After six hours, a driver had traveled 390 miles. How far had the driver traveled after 4 hours?

    asked by help
  20. math help please

    Which expression represents the largest number? A. 40.1 x 10–6 B. 4.1 x 10–7 C. 0.411 x 10–7 D. 0.04001 x 10–5 I think it is B..?

    asked by Deborah
  21. Civics

    In every stage of these oppressions we have petitioned for redress in the most humble terms: our repeated petitions have been answered only by repeated injury. Which of the following statements best explains this quote from the Declaration of Independence?

    asked by A
  22. physics

    A 2.2 kg rock initially at rest loses 412 J of potential energy while falling to the ground. Assume that air resistance is negligible. Calculate the kinetic energy that the rock gains while falling. What is the rock's speed just before it strikes the

    asked by Noah
  23. MATH

    Describe how to transform the graph of f into the graph of g. f(x)=2^x and g(x)=2^x-3

    asked by hana
  24. trigonometry

    A ship at A is to sail to C, 56km north and 258km east of A. After sailing N25°10’E for 120mi to P, the ship is headed toward C. Find the distance of P from C and the required course to mean C.

    asked by anonymous
  25. history

    Thomas Jefferson was the primary author for which of the following? (4 points) the Bill of Rights the Constitution the Judiciary Act of 1801 the Declaration of Independence

    asked by lexi.
  26. 7th grade social studies ms sue last question

    9. Many people in developing nations get their food by practicing (2 points) subsistence farming. commercial farming. mechanized farming. developing farming. is the answer "subsistence farming"?

    asked by Delilah
  27. sciencwe

    rosa boat is padding upstream at 1.25 m/sec. and the water in the river is flowing at .50 m/sec to the banks of the river. calculate the resultant velocity

    asked by mickey
  28. Math help

    Which of the following statements is NOT true regarding an expression written in scientific notation in the form of a x 10n ? A.)The value of a must be greater than or equal to 1 and smaller than 10. B.)The value of n must be an integer. C.)Doubling n

    asked by Deborah
  29. math

    Evaluate: x+y/xy if x=1/8 and y=1/3

    asked by jazzi
  30. Math I REALLY NEED HELP!!!!!!!!!

    A refrigerator has inside measuremnets of 50 cm by 118 cm by 44 cm. What is the capacity of the refrigerator?

    asked by Sammy
  31. Economics

    how did the wizard of oz(the movie) relate to the social and economic texture of america?

    asked by Lala
  32. Math

    The diameter of a lead pipe is measured to be 2.40 cm and you are asked to convert to units of inches. Which of the following conversion factors can you use to solve this problem? 12 in = 1 ft 100 cm = 1 m 3 ft = 1 yd Two of the these ?>None of these

    asked by Jakey
  33. math

    what is the range of this data 36 75 63 49 83 46 54 79 ?

    asked by daphne
  34. chemistry hellllllllllllllllllp

    Oxidising and reduction- Chemistry? Oxidation and reduction can be described as the loss and/or gain of electrons from an ion or atom (species) in a chemical reaction. For the following aqueous reaction, select the species that is oxidized and similarly

    asked by centya
  35. Chemistry

    solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. how many molecules of hydrogen gas are formed when 48.7 g of sodium are added to water? 2Na + 2H2O ------> 2NaOH + H2

    asked by Bob
  36. math

    I asked this question but no one answered it. Can someone please help explain this before I have my math test today. THANKS. A carpenter has several boards of equal length. He cuts 3/5 of each board. After cutting the boards the carpenter noticies he has

    asked by es
  37. chemistry

    what is the balanced equation for the reaction of potassium dichromate and potassium hydrogen phthalate?

    asked by rob
  38. math

    Solve 2.5c=0.125

    asked by jazzi
  39. Algebra

    A combination lock has 10 dials. To open the lock, you must turn the dial right to the first number, left to the second number. What is the probability that you choose the correct combination?

    asked by Nina PLEASE
  40. math

    Six hundred ninety four ten thousandths is how much more than fifty seven thousandths write the answer in words

    asked by jazzi
  41. Math

    A square has a perimeter of 68cm. Find the area of the square.

    asked by Anonymous
  42. math

    Justin worked for 7 hours and earned 38.50. How much did he earn per hour

    asked by jazzi
  43. math

    Write eight hundred thousandths in scientific notation

    asked by jazzi
  44. Physics

    A 25.2-kg object is moving rightward across a horizontal surface with a speed of 14.3 m/s The coefficient of friction between the object and the surface is 0.490.

    asked by Steven
  45. floral design

    Floral designers take care not to purchase flowers with A. insufficient fragance. B. unopened buds. C. excessive fragrance. D. bruised petals.

    asked by Aaya
  46. Spenser's Amoretti Sonnet #75 Question

    Here's the sonnet: One day I wrote her name upon the strand, But came the waves and washed it away: Agayne I wrote it with a second hand, But came the tyde, and made my paynes his pray. 5 Vayne man, sayd she, that doest in vaine assay, A mortall thing so

    asked by Allyson
  47. chemistry??

    Oxidising and reduction- Chemistry? Oxidation and reduction can be described as the loss and/or gain of electrons from an ion or atom (species) in a chemical reaction. For thefollowing aqueous reaction, select the species that is oxidized and similarly the

    asked by john
  48. floral design

    Which one of the following statements about standard foam is true? A. Once a foam brick is soaked, no additional water can be added to the container. B. A foam brick can't stand any higher than its container. C. The water it holds doesn't evaporate

    asked by Aaya
  49. chemistry

    alternative reaction for acrylic acid and analyzing reaction for finding gross profit

    asked by rajib
  50. 5 th grade math

    Gracie read 150 pages of a book. The is 227 pages long. Which equation shows the amount she still needs to read to finish the story? A.150-n=227, B. 227+150=n, C.n-150=227, D.n+150=227

    asked by Carlos
  51. Science

    Compare the nature greenhouse effect process with the human induced. 2. What are the greenhouse gases? Which one is the biggest concern? 3. What are scientists doing to collect data? 4. What role does the carbon cycle play in this problem? 5. What are the

    asked by A
  52. Math

    The diameter of a lead pipe is measured to be 2.40 cm and you are asked to convert to units of inches. Which of the following conversion factors can you use to solve this problem? 12 in = 1 ft 100 cm = 1 m 3 ft = 1 yd Two of the these ?>None of these

    asked by Jakey
  53. english

    The defendant stated that she was, "not guilty."

    asked by Anonymous
  54. Math

    Solve 2/3(6x+30) = x+5(x+4)-2x and please show me the steps?

    asked by HELPP!!!
  55. chemistry

    What volume of oxygen at s.t.p is required for the complete combustion of methane according to the following equation. CH4 2O2= CO2 2H2O

    asked by Joseph
  56. Computer

    Your brother is going to serve in the military overseas for four years and asks you about storing his desktop computer in a public storage facility while he is away. The storage units are not temperature controlled. What could be the negative impact of

    asked by Sandra
  57. Math

    Perform the indicated operations. Reduce the answers to lowest terms.... 1.) 7 3/5 + 2 4/7 = _______________ 2.) 8 5/9 + 15 5/6 =________________ 3.) 14 5/10 + 8 3/5 = ________________ 4.) 5/6 x 3/4 = _____________________ Reduce each fraction to lowest

    asked by Elena
  58. math

    How far will a migrating duck fly in 7 hours at an average speed of 21 miles per hour

    asked by jasmine
  59. Math

    Write the sum show the make a ten fact you used

    asked by Lashonda
  60. physics PLEASE HELP

    In the rectangle in the drawing, a charge is to be placed at the empty corner to make the net force on the charge at corner A point along the vertical direction. What charge (magnitude and algebraic sign) must be placed at the empty corner?

    asked by Anonymous
  61. floral design

    A professional floral designer should develop _______ skills.

    asked by Aaya
  62. chemistry

    Strontium-90 decays through the emission of beta particles. It has a half-life of 29 years. How long does it take for 80% of a sample of strontium-90 to decay? Show process of how you got this

    asked by Urgent Help
  63. math

    Justin worked for 7 hours and earned $38.50. How much did he earn per hour

    asked by jazzi
  64. algebra

    -A store sells 28 ounces of peanut butter for $2.24. The store also sells 32 ounces of the same peanut butter for $2.40. Which is a better buy?

    asked by molly
  65. Chemistry

    What is the equation to show that boiling is a cooling process?

    asked by Maggie
  66. chem-answer check please

    Compounds like CCl2F2 are known as chlorofluorocarbons, or CFCs. These compounds were once widely used as refrigerants but are now being replaced by compounds that are believed to be less harmful to the environment. The heat of vaporization of CCl2F2 is

    asked by Samantha
  67. Physics

    A golf ball has a mass of 0.05 kg and acquires a speed of 80.0 m/s when hit with a force of 3000 N. how long was the club in contact with the golf ball?

    asked by Rosa
  68. help please

    what does reseach show about the child;s relationship with the primary parental figure when the child has additional attachments to other people?

    asked by mark
  69. Chemistry

    Find the total number of calories needed to change 23.0 g of ice at -34.0C to steam at 222.0C

    asked by Maggie
  70. math

    Three sevenths of the possible outcomes were favorable, while the rest of the possible outcomes were unfavorable. (a) what fraction of the possible outcomes were unfavorable? (b) what was the ratio of favorable to unfavorable outcomes?

    asked by jazzi
  71. math

    what is the range of this data 36 75 63 49 83 46 54 79 ?

    asked by daphne
  72. science

    Calculate the pH at 0, 10, 90, 100 & 110% titration for the titration of 50.0ml of 0.1M HCl with 0.10M NaOH?

    asked by Eline
  73. Chemistry

    How do you demonstrate that fog, clouds,and steam are liquid droplets and not water vapor?

    asked by Maggie
  74. US History

    Describe the 2 theories of how people first came to the Americas:

    asked by Darcy
  75. Math

    If 1ft = .3048m then 2 ft. per min. is equal to how many meters per hour?

    asked by Maria HELP ME
  76. history

    Which Founding Father was selected as president of the Second Continental Congress? (4 points) John Adams Samuel Adams Benjamin Franklin John Hancock

    asked by lexi.
  77. mathematical statistics

    Suppose a_n∈ [0,1] and X_n is a sequence of i.i.d random variables with p.d.f : p(X_n=1)= p(X_n= -1)=0.5 . ∑_(n=1)^∞▒a_n X_n is convergent with probability 1, is ∑_(n=1)^∞▒a_n^2 convergent?

    asked by sanaz
  78. mathematical statistics

    Suppose X_n is a sequence of independent Bernoulli random variables and p(X_n=1)=p_n. If Y=∑_(n=1)^∞▒X_n is convergent with probability 1 ,is E(Y) convergent?

    asked by sanaz
  79. math

    arista found a sale on skates. she got 1/5 off the regular price of $34.50. What was the sale price of her skates?

    asked by michey
  80. math 2

    beginning on.the first day of school ,mr. jones,gives his,son a,turkey sandwich for lunch every 6 days,and a banana with his lunch every 4 days. in how many days will mr. jones again give his son both a turkey sandwich and a banana for lunch?

    asked by stephie 23
  81. Algebra

    IF Tony earned $600 after investing $3,000 for five years, what was his interest rate?

    asked by Matt
  82. probability

    find an example for random variables X,X',Y,Y' with the following characteristics: a)X and X' have the same distribution b)X+Y and X'+Y' have the same distribution c)Y and Y' do not have the same ditribution

    asked by sanaz
  83. math

    Write eight hundred thousandths in scientificnotation

    asked by jazzi
  84. science

    how many different kinds of climate zone are shown in the map

    asked by Anonymous
  85. maths

    Rudransh has a piece of cardboard in shape of a quadrilateral. He cuts it into two triangles such that angles formed at the vertices are bisected. He wants to find out whether the two triangles are congruent or not

    asked by Anonymous
  86. Math

    If y varies directly as x and y=3 when x=10, find x when y=8? Can you please show me step by step solution for this problem?

    asked by HELPP!!!
  87. Math -3

    How do I write a mixed number fractions greater than 1. 6/5 13/5 9/5 17/5 How do I solve it?

    asked by Nelson
  88. math

    how much money must you deposit into an account that earns 3% monthly to have $1000 after 4 years

    asked by judy
  89. math

    how many 1/5's are in 1/3

    asked by Tyson
  90. math

    Describe how to transform the graph of f into the graph of g. f(x)=2^x and g(x)=2^x-3 I don't know how to do this step by step :(

    asked by hana
  91. Economics

    We created a new iPod for a scarcity project, and we can't come up with a slogan to save our lives. Help? Some of the features are picking songs based on your mood( like a mood ring) and being able to work through homework problems. It would be amazing,

    asked by Chelsea
  92. science

    how many different kinds of climate zone are shown in the map

    asked by Anonymous
  93. Math

    Jim was putting carpet in his sons tree house.He needed to find the area of the floor. But he was having trouble with the multiplication. The measurements were 4.2 meters by 6.3 meters. Do the multiplication to help him find the area

    asked by Michey
  94. math

    what does array mean

    asked by Anonymous
  95. English

    The space shuttle was both a marvel and huge.

    asked by Anonymous
  96. physics

    Spaceman Spiff's space box wights 60N. its engine exerts a +312N of force at lift-off. what is the acceleration when it lifts off

    asked by felipe
  97. algebra

    how do you write an equation for a trend line?

    asked by maya
  98. evaluate

    ab+a+b if a=1/4 and b=1/5

    asked by jazzi
  99. Math

    what is the sum of these mixed numbers? 5 2/3, 3 3/4, 13 1/6, 8 1/2. pleaseeeeeeeee helpppppppp meeeeeeeeee!!!!

    asked by Michey
  100. math algebra 1

    if a person can run 3 miles in 18 minutes and 36 seconds would take the person to run half a mile?

    asked by miriam
  101. Monsiure's Departure by Elizabeth I question

    Why might Elizabeth write a poem that blames her "care" for the failure of the relationship? I can't figure this one out, Poetry has always been tough for me. I would appreciate the help, thanks!

    asked by Allyson
  102. Math

    If 1ft = .3048m then 2 ft. per min. is equal to how many meters per hour?

    asked by PLEASEEEE
  103. Science

    Students wer given materials to complete a circuit to turn on one light. The materials received were 2 wires, a AA battery, and various sizes of light bulbs. What is the variable in the experiment?

    asked by Matt
  104. science

    an ant walk 4cm east get some rest and continues for another 3cm in the same direction what is the displacement traveled by the ant?

    asked by milaine
  105. Math

    Which function includes the data set (0, -1), (2, 5), (5, 14)? Can you show me how to solve this? A) 3x-1 B) 2x+4 C) 2x+1 D) x+1

    asked by Stacy
  106. Math

    If (x, 3) is the solution to the equation 4x+2y=22, then what is the value of x? Can you solve it for me so i can see how you did it? a. 8 b. 6 c. 5 d. 4

    asked by HELPP!!!
  107. math


    asked by jazzi
  108. floral disign

    What is the most effective way for you to locate local growers to supply your design needs? A. Do an online search for local flower growers. B. Ask other flower shops. C. Visit your local farmer's market. D. Ask commercial wholesalers.

    asked by Aaya
  109. floral design

    Individual leaves are usually wired by A. pierce wiring. B. line wiring. C. clutch wiring. D. insertion wiring.

    asked by Aaya
  110. history

    Which three Founding Fathers were also members of the Declaration of Independence Committee? (4 points) John Hancock, John Adams, and Benjamin Franklin Thomas Jefferson, John Hancock, and Samuel Adams Thomas Jefferson, Benjamin Franklin, and John Adams

    asked by lexi.
  111. English

    Choose the pronoun that correctly completes each sentence. 1. (who, whom) will the choir director choose? Is it whom?

    asked by Emma
  112. English Grade 10

    Discuss society's tendency to fear the unknown.

    asked by George Bishop
  113. Physics

    An electron with a mass of 9.11 *10^31 Kg is accelerated from rest across a set if parallel plates that have a potential difference of 150 v and are separated by 0.80 cm A) determine the kinetic energy of the electron after it crosses between the plates.

    asked by Lilia
  114. chemistry

    The solubility of strontium oxide, SrO, in water is 22.8 g per 100 mL at 100 °C and 0.69 g per 100 mL at 30 °C. Is the dissolving of strontium oxide in water an endothermic or exothermic process?

    asked by Alex
  115. maths

    find the equation to the straight line which passes through the point of intersection of the line 3x+4y-1=0 and 5x+8y-3=0 and is perpendicular to the line 4x-2y+3=0

    asked by Anonymous
  116. math

    Evaluate: ab+ a+ b if a=1/4 and b=1/5

    asked by jazzi
  117. math

    4 1/4+(2 1/6-1 1/3)

    asked by jazzi
  118. math

    Factor 5(x^2+4)^4 (2x)(x-2)^4+(x^2+4)^5(4)(x-2)^3

    asked by James
  119. math

    300 hundred kids attend a dance. The ratio of boys to girls is 6 to 4. If 30 boys and 20 girls leave, what is the new ratio of boys to girls still at the dance

    asked by john
  120. Math

    Ratio of pens to pencils is 3:8; What could be the total number of pens and pencils? Can you explain how do you get the answer because I am studying for my test. Thank you very much for your help.

    asked by Mia PLEASE HELP ME
  121. math

    a farmer plant seeds in a field that is 125 meters length and 75 meters width. The seed must receive 1 liter per square meter every day and how many liters must farmer apply to the field every day?

    asked by josh
  122. Algebra

    3/7-n = 1/n answer for "n" Thanks

    asked by Gianina
  123. accounting

    Income Statement Data: This year Last year Revenue $150,000 $120,000 Cost of Goods Sold $90,000 $60,000 Operating Income $10,000 $5,000 Income Tax Expense $1,800 $500 Based on a horizontal analysis of the data, which statement correctly identifies the

    asked by Anonymous
  124. statistics

    The company policy for customer service representatives gives time off for positive reviews. If, in the first 20 calls a customer service agent handles in a day, 13 or more elect to take a subsequent survey and rate the service as “excellent”, then the

    asked by Dee
  125. history

    Which answer best expresses the reasons the Second Continental Congress proposed declaring independence? (4 points) Congress was frustrated by the results of the battles at Lexington and Concord. They also wanted to reject the Olive Branch Petition.

    asked by lexi.
  126. Math

    3x/5 - x/2

    asked by Miliano
  127. maths-urgent

    Rudransh has a piece of cardboard in shape of a quadrilateral. He cuts it into two triangles such that angles formed at the vertices are bisected. He wants to find out whether the two triangles are congruent or not without actually super positioning them

    asked by Anonymous
  128. Algebra 1

    Okay. So I am completely lost with this... Any help would be great! 3. Solve the system using any method – graphing, substitution, or linear combination. Make sure to show your work. 2x + 5y= 8 x + 3y= 2

    asked by Miranda
  129. Math

    -5/8x greater than or equal to 7/12 - 5/6

    asked by Maria I NEED YOUR HELP
  130. Math

    A line is part of a line segment True A line segment is part of a line True

    asked by jp
  131. history

    What was the biggest challenge for the French during the Haitian Rebellion? (4 points) resupplying troops at a great distance a lack of knowledge of the regions underestimating the heat and humidity a loss of life at sea during the crossing

    asked by lexi.
  132. Math

    3x/5 - x/2

    asked by Mary
  133. life

    why arent you answering my questions but everyone elses? im offended.

    asked by Aaya
  134. Math

    Factor pls show me steps thank u! (X-1)(x+2)^2-(x-1)^2(x+2)

    asked by John
  135. science

    Name 5 Main Chacteristics In Precambrian Time I looked in the book but I couldn't find anything

    asked by aliyah
  136. maths


    asked by mogomotsi
  137. Algebra

    Mary, Margaret, Ron and Nick are to share a sholarship. Ron receives 1/3 of the scholarship; Nick gets 1/4 of the scholarship; Mary receives the same as Nick, and Margaret receives $72,000. Find each person's share in the scholarship as well as the

    asked by Michelle
  138. Math

    Can 10 18/40 simplify

    asked by Bob farley
  139. physic

    A car driving along a highway at a speed of 15 m/s strays onto the shoulder. Evenly spaced parallel grooves called rumble strips are carved into the pavement of the shoulder. Rolling over the rumble strips causes the car's wheels to oscillate up and down

    asked by Anonymous
  140. 7th grade Social Studies Ms. Sue please!

    This homework question was removed due to a copyright claim submitted by Connections Education. My answers: 1. organize information. 2. enough detail. 3. Earth's tilt and orbit 4. new landforms. 5. latitude. 6. polar. 7. birth rates and death rates. 8.

    asked by Delilah
  141. physics

    The mass of a string is 2.5 × 10-3 kg, and it is stretched so that the tension in it is 250 N. A transverse wave traveling on this string has a frequency of 300 Hz and a wavelength of 0.45 m. What is the length of the string?

    asked by Anonymous
  142. math

    you are 6 years older than your sister she is 4 years older than your brother. write expressions to show your age and your sisters age if your brother is 4 years old.

    asked by debbie
  143. solid mensuration

    : in the pyramid shown in the figure , AB=9 in ., BC= 12in ,and BD= 5 in . the three face angle at B are each 90 degree . calculate the three face angles at A and the total surface of the solid.

    asked by johanie
  144. Pre-Algebra

    Simplify the expression. Write the result using positive exponents only. (-2x^3y^-4)(5x^-1y)

    asked by Samantha
  145. chemistry

    A student is asked to prepare 250.0 mL of 3.5 M copper (II) sulfate from solid copper (II) sulfate pentahydrate. Describe how this solution should be made in the chemistry laboratory.

    asked by bob
  146. Science

    you push a 75 kg wooden box at a constant speed. the coeffiecent of kinetic friction between the box and the desk is 0.230. You pull the crate a distance of 8.75 m. How much work was done? Explain steps please//

    asked by analicia
  147. Science

    you push a 75 kg wooden box at a constant speed. the coeffiecent of kinetic friction between the box and the desk is 0.230. You pull the crate a distance of 8.75 m. How much work was done? Explain steps please//

    asked by analicia
  148. Math


    asked by Justin
  149. Math

    8x^3-125 X^Y^3-X^2Y^5 Pls show me steps

    asked by JustinBieber
  150. algebra

    jordan has two numbers that have the sum of 64. those same two numbers have a difference of 42. what are the numbers?

    asked by Alejandra
  151. Help plz

    Describe three issues related to role confusion that a teacher may feel or may communicate

    asked by Nickolas
  152. Chemistry

    I've been working on this problem for hours and cant figure it out. I know it should be simple, but I'm stuck... The question is... Describe how to prepare 1.00L of a 1.0% (w/v) NaOH from a 2.0 M NaOH. *I need to figure out how many ml of the stock

    asked by James
  153. Geometry

    Line segment AB has a midpoint C Help? If AC=17 and AB = 5x-6, then find the value of x A. 34 B.8 C. 23/5 D. 20 Answer: D 2. Suppose the coordinate of p=2 and PQ=8 and PR=12. Whare are the possible mid point for line segment PQ?

    asked by Victoria
  154. Geometry

    Line segment AB has a midpoint C Help? If AC=17 and AB = 5x-6, then find the value of x A. 34 B.8 C. 23/5 D. 20 Answer: D 2. Suppose the coordinate of p=2 and PQ=8 and PR=12. Whare are the possible mid point for line segment PQ?

    asked by Victoria
  155. Chemistry

    I have a Chemistry question which should be very simple but I do not know what significant figures are. Assuming the following numbers are measurements and using the rules for significant figures, determine the answer for the following calculation.

    asked by Pablo
  156. Geometry

    Help? check Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and CE=2x+1, what is the lenth of ED? A. 5 B. 11 C. 22 D. 10 Answer: C Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and

    asked by Victoria
  157. math

    on a map the scale is 1/2 inch=25 miles for each map distance.. so 3 inch= 8 3/4 inch=

    asked by mayra
  158. math

    find the missing number in the pattern? 2,6,18,54, ,486 choices a.152 c.162 b.156 d. 262

    asked by pat
  159. Risk, Loss Prvnt, Emrgncy Plan

    Assess the similarities and differences between threat, risk, hazard, and peril.

    asked by Irvin
  160. physics

    Does this question even make sense: A 7900 kg helicopter carrying a 1100 kg load is accelerating upwards at 1.2 m/sec squared. What is the force of air resistance pushing down on the helicopter?

    asked by jsh
  161. Math

    X^4Y^3-X^2Y^5 show steps pls briefly explain

    asked by JustinBieber
  162. College Algebra

    Write the equation of the circle in standard form. Find the center, radius, intercepts and graph the circle. x^2+y^2+14x+18y=-81

    asked by Amary
  163. Risk, Loss Prvnt, Emrgncy Plan

    Assess why we state the impact of an adverse event in financial terms and how this impacts organizational decisions regarding risk mitigation.

    asked by Irvin
  164. chem

    A 14.3 L sample of gas at 23.45°C and a pressure of 123.45 kPa is heated until its temperature reaches 43.20°C and its volume is 16.72 L. What is the pressure of the sample of gas

    asked by bob
  165. World history

    Does anyone know where I can find a world history books to download? -Free I need to do some homework, but I don't know where my text book is at.

    asked by Victoria
  166. science

    hey im doing my science homework and i really need hel fast cuz i need a discription(definition), a sentence, and a pic. for thermal expansion, exfoliation, dissolution, oxidation, and hydrolysis i would look in my text book but none of those words are in

    asked by Kiara
  167. math

    2/10 of 15?

    asked by ashlyn
  168. Math

    Hannah makes necklaces. She has a box of 26 green beads, 42 yellow beads, and 10 blue beads. If Hannah grabs 1 bead without looking, what is the probability that she will select a blue bead?

    asked by Shalontae
  169. Math precal

    Show that ab= 1/2 [(a+b)^2 - (a^2+b^2)] Show how's its done i want to learn thank u

    asked by Shelby
  170. Computer

    Your computer is running a lot of services and applications when you log on that you never use. What implications can this mean for your computer? A. Unused services and applications take up valuable hard drive space. B. Your computer uses more power than

    asked by Nikki
  171. Computer

    Your computer is running very slow. The LED light for the hard drive blinks nearly continually, indicating that the hard drive is spinning even when data is not being saved or read from the hard drive. Based on this scenario, what is probably causing the

    asked by Nikki
  172. Computer

    The company you work for is having financial problems and has cut your software budget for the coming year. What is a legal viable way to save money on future software purchases? A. Use the site license of another company in the same industry. B. Consider

    asked by Sandra
  173. math

    A type of bacteria reproduces by splitting in two every thirty minutes. How many bacteria will there be after 4 hours if there are 2 bacteria to begin with?

    asked by Nicholas
  174. math

    For how many positive integers n does n! end in exactly 5 0s?

    asked by Brenda
  175. math - please help

    Which expression is equal to 1/8000 written in scientific notation? A.8.0 x 10to the 3rd B.1.25 x 10–4 C.125 x 10–5 D.1.25 x 10 the the 4th I think it is A..?

    asked by Deborah
  176. understanding and managing money

    carmen santiago works for a number of business as a consultant. She has helped design accounting systems, provided accounting services and analyzed the finacial stregth of her clients' business. carmen is working as a

    asked by stephanie
  177. chem

    A liquid that has an equilibrium vapor pressure of 129 torr at 25°C is placed into a 1-L vessel like that shown below. A few mL of the liquid is introduced into the vessel at 25°C while it has a pressure of 1.00 atm of air in it, without allowing any of

    asked by Samantha
  178. Physics

    You place two charges a distance r apart. Then you double each charge and double the distance between the charges. How does the force between the two charges change? a) The new force is twice as large. b) The new force is half as large. c) The new force is

    asked by James
  179. Math help

    Which number is equal to 7(3.5 x 10to the 4th) written in scientific notation? A.24.5 x 70to the 4th B.2.45 x 10 to the 5th C.24.5 x 10 to the 4th D.1.05 x 10 to the 5th I think it is B...?

    asked by Deborah
  180. science

    explain transport proteins

    asked by holden
  181. math

    if if 2 cups of concentrate makes 1 gallon of lemonade how much concentrate do you need to make a pint

    asked by breanna
  182. Math

    How many grams in 23 kg? 23000? How many meters in 2 km? 2000? How many cm in 89m? 8900? How many mL in 25 L 25000? How many m in 7km 7000? How many mg in 10 g? 10000? HOw many mm in 15 m? 15000? How many km in 2500 m? 25? How many L in 10000mL? 10?

    asked by Jerald
  183. chemistry

    what is the limiting reagent in a reaction between copper sulfate and barium nitrate?

    asked by Anonymous
  184. physics

    A toy consisting of two balls, each m = 0.56 kg, at the ends of a l = 0.73 m long, thin light-weight rod is shown below. Find the moment of inertia of the toy. The moment of inertia is to be found about the center of the rod.

    asked by Anonymous
  185. books

    what is the animal imagry in fahrenheit 451 pages 31-48?

    asked by cheyenne
  186. physics

    A bicycle wheel with a radius of 38 cm is given an angular acceleration of 2.61 rad/s2 by applying a force of 0.45 N on the edge of the wheel. What is the wheel's moment of inertia?

    asked by Anonymous
  187. Algebra 2

    I know the answer to this problem is -1. I found that by substituting for x and seeing if it worked. How should I do it the correct way? (x/(3x+6))-(x+1/3x-6)=(1/(x^2)-4)

    asked by Bart
  188. physics

    A laboratory ultracentrifuge is designed to produce a centripetal acceleration of 4.0 106 g at a distance of 5.00 cm from the axis. What angular velocity in rev/min is required?

    asked by Anonymous
  189. book

    what is the sound in fahrenheit 451 pages 31-48?

    asked by cheyenne
  190. physics

    A hard drive on a modern computer spins at 10000 rpm (revolutions per minute). If the driver is designed to start from rest and reach operating speed in 1.4 s, what is the angular acceleration of the disk?

    asked by Anonymous
  191. physics

    A toy top consists of a rod with a diameter of 13.00 mm and a disk of mass 0.0160 kg and a diameter of 3.5 cm. The moment of inertia of the rod can be neglected. The top is spun by wrapping a string around the rod and pulling it with a velocity that

    asked by Anonymous
  192. book

    when montag goes home after the fire at the old woman's how does he feel about the book,and what does he do with it in fahrenheit 451 pages 31-48?

    asked by cheyenne
  193. Answers for business English

    I need answers for lessons 7 and 8 of business English !

    asked by Chandan
  194. Math

    How many yds in 96 ft? 32? How many ft in 228 in 19 How many oz in 2 lb 32 How many qts in 3 gal 12 How many c in 40 fl oz 5 How many cups in 4 pt 8 How many lb in 3 t 6000 How many fl oz in 4 c 32 How many pt in 96 oz 6

    asked by Jerald
  195. Civics

    1. Montesquieu’s system of “separation of powers” means that government is divided into three branches. people are born with rights that cannot be taken away. government may rule because the citizens consent. people have the right to life, liberty,

    asked by A
  196. Social Studies

    What island in japan homes most of the major cities?

    asked by T.J And the Vibe
  197. Health

    What is the risk factor of the following situation? You went to a friend’s birthday party and your dad said to call when you were ready to come home. Your friend’s older brother has a friend who says he lives near you and he would take you home. You do

    asked by Anonymous
  198. science

    A small dog is trained to jump straight up a distance of 1.2 m. How much kinetic energy does the 7.2-kg dog need to jump this high? (The acceleration due to gravity is 9.8 m/s2.) Show your work.

    asked by Anonymous
  199. Grammar

    Need thesis stAtement for persuasive research paper on cs lewis

    asked by B
  200. algebra

    solve system by substitution 9x-3x=3 3x+8y=-17

    asked by hernan
  201. Biology

    So I am completely confused. I am in the process of taking a quiz and the question says "a factor that seems to disappear" my options are punnet square, heredity, dominant factor, recessive factor, alleles, or genetics??? Help please? Thanks

    asked by lazyburrito
  202. Math

    names to speak with fractions 6/36

    asked by DeJuane
  203. Math

    If a road passes through R(4,-11) and S (0, -9) and another road passes through J (6,-2) and K(4, -5) and are straight lines, are the two roads perpendicular and why?

    asked by Kelly
  204. math

    Maria ran 4 laps of the track at the same pace. If it took 4 1/2 minutes to run the first 3 laps how long did it take her to run all 4 laps

    asked by jasmine
  205. math

    The average of three number is 3. If the greatest is 4.6 and the least is 1.4 what is the third number

    asked by jasmine
  206. math

    how to find circum centre of a triangle when three coordinates are given

    asked by Anonymous
  207. English-Ms. Sue

    Ms. Sue i be on the poetry unit, and i have to write paragraph on this poem/song that be "the sound of silence" by paul simon. Hello darkness, my old friend, I've come to talk with you again, Because a vision softly creeping, Left its seeds while I was

    asked by Mohammad
  208. math

    The ratio of lefthanded to righthanded students in the school was 3 to 14. If the total number in both categories was 714, how many righthanded students were in the school

    asked by jasmine
  209. Chem

    what volume of acetic acid must be added to 150.0 mL of water to generate a 15.0% acetic acid solution? I just need help on how to solve it please!:)

    asked by Not Smart Kid
  210. science

    Need help with punnett square tonight if possible

    asked by anderlon
  211. Medical billing and coding

    Which of the following items is used to describe items used during patient treatment as well as time spent by a professional. A)primary care provider B) Reimbursement C)Resources D)Durable Medical Equipment

    asked by yorhe
  212. chemistry

    molar enthalpy of combustion for pentane? Mass C5H12= 2.15g Mass H2O= 1.24kg Initial temp= 18.4°C Final temp= 37.6°C

    asked by shyanne
  213. math

    A tree is struck by lightning. The top part breaks and falls to the ground. The part of the tree still standing is 30 feet tall and the top part that hit the ground is 40 feet from the base of the tree. How tall was the tree originally?

    asked by Jess
  214. physics

    How much potential energy does DeAnna with a mass 57.0 kg, gain when he climbs a gymnasium rope a distance of 3.7 m?

    asked by Noah
  215. math

    Write 3,600,000,000 in scientific notation

    asked by jasmine
  216. Medical billing and coding

    Tina and Seth are discussing the centers for medicare and medicaid services. Tina says the CMS focuses on campaigns to educate medicare beneficiaries on health care coverage options. Seth says the CMS focuses on new and expanded customer service options.

    asked by Yorhe
  217. math

    What number is 5/8 of 24?

    asked by jazzi
  218. Fraction help wrong answer

    It takes Nadia 4/9 h to complete her Language Arts homework and 2/9 h to complete her mathematics homework. Which takes longer? How much longer? I did this : It takes Nadia Language Arts home work longer by 13.34 minutes longer. 4/9 x 60 min = 240/9 =

    asked by Matty
  219. algebra

    what the steps to this problem y=1/4x +6

    asked by Aaron
  220. Medical Billing and Coding

    What are the two categories of commercial insurance? A)Point Of Service and HMO B)Medicare and Medicaid C)Private (individual) and employer-based (group) D)Medicare A and Medicare B

    asked by Yorhe
  221. physics

    A 17 kg rock, m, is on the edge of a 105 m cliff, h, as shown in Figure 11-20. Assume that air resistance is negligible. What speed does the rock have as it strikes the ground?

    asked by Noah
  222. Physics

    An object was fired with an initial speed of 33m/s at an angle of 32 degrees from the horizontal. How long was it in the air?

    asked by Sakana
  223. math

    Write 3,600,000,000 in scientific notation

    asked by jazzi
  224. Medical billing and coding

    What program was developed to address the health of the entire U.S. population? A) Medicaid B)Healthy People 2010 C)HIPAA D)Affordable Care

    asked by Yorhe
  225. science

    Need help with punnett square tonight if possible

    asked by anderlon
  226. physics PLEASE HELP

    A tiny ball (mass = 0.015 kg) carries a charge of -19C. What is the electric field magnitude that would cause the ball to float above the ground?

    asked by Anonymous
  227. Physics THRUST

    To begin I just need to know how to do thrust. A lunar lander in powered descent at 100 m above the surface of the moon slows down from a velocity of 20 m/s to 0.5 m/s at constant acceleration. Assume that the lander has a mass of 20,000 kg and that

    asked by Ashley
  228. Social Studies

    Unlike Japan, Korea has What? 1. Large plains. 2. rugged mountains. 3. Summer typhoons. 4. Destructive earthquakes

    asked by T.J And the Vibe
  229. reading

    what proof is there that the sea can change formations?

    asked by Celest
  230. English

    HI, I need help on a question I have read both books 50 times now what is the difference between Barrio boy and no gumption please help. And if your going to hate please don't state thanks!!!!

    asked by Student
  231. math

    zoomer bix plans to but a microcomputer that costs $690, excluding sales tax. if the sales tax rate is 5 1/2% how much tax will zoomer have to pay

    asked by sabrina
  232. math

    The ratio of the length of haley's stick to the length of sarah's stick is 1 : 9. Sarah's stick measures 72 inches. how long is haley's stick?

    asked by kim
  233. Trigonometry

    How do I evaluate the trigonometric functions of the quadratic angle? Thanks in advance 1) sec π 2) tan π 3) cos π For this problem, I don't understand why it's -1 4) csc π 5) sec 3π/2

    asked by Sira
  234. Medical billing and coding

    In what model of the integrated delivery system do physicians keep their own offices but share administrative and management services with other managed care organizations? A)group practice without walls B)physical hospital organization C)management

    asked by Yorhe
  235. math

    Write 3,600,000,000 in scientific notation

    asked by jazzi
  236. math

    Write 3,600,000,000 in scientific notation

    asked by jazzi
  237. math

    Solve: 3/4+n=2 1/8

    asked by jazzi
  238. Physics

    A 2.2m of steel wire hangs vertically down from a support. A 1.5m length of brass wire of the same diameter is attached to the lower end of the steel wire.when a 10 kg mass is attached to the lower end of the brass wire a total extension of 0.05 m is

    asked by Joseph
  239. science

    Need help with punnett square tonight if possible

    asked by anderlon
  240. math

    admissions to a concerto cost $45. A vendor sells t-shirts for $12. You have $90. What is the maximum number of t-shirts you can buy?

    asked by alex
  241. math PLEASE HELP IM STUCK!!!

    Admissions to a concert cost $45. A vendor sells t-shirts for $12 each. What is the maximum number of t-shirts you can buy?

    asked by alex
  242. Math PLEASE HELP!!!

    A contractor pours a sidewalk that is 4 inches deep, 1 yard wide, and 20 yards long. How many cubic yards of concrete will be need? (Hint: 36 inches = 1 yard)

    asked by Sammy
  243. World history

    Help? How did Neanderthals and Cro-Magnons differ from earlier peoples?

    asked by Victoria
  244. Medical billing and coding

    What option of Medicare is known as supplemental medical insurance coverage? A)Medicare Part C B)Medicare Part A C)Medicare Part D D)Medicare Part B

    asked by Yorhe
  245. Medical billing and coding

    What law established Medicare Part C, creating a new managed care option and other health plan choices for beneficiaries/ A)HMO B)POS C)IDS D)PPO

    asked by Yorhe
  246. Algebra 2

    Complete the square and write in graphing form. 2x^2=5x+12

    asked by Anonymous
  247. Medical billing and coding

    What law established Medicare Part C, creating a new managed care option and other health plan choices for beneficiaries? A)Health care financing ACT B)Health Insurance Portability and Accountability ACT C)Balanced Budget Act of 1997 D)Social Security Act

    asked by Yorhe
  248. Geometry

    DEFG is a rectangle. H is the intersection point of the two diagonals. DH= 3x – 3 and EG = x + 44. Find the value of x and the length of each diagonal.

    asked by Amber
  249. math-please help,need quickly

    solve the polynomial inequality and graph the solution set on a real num ber line. express the solution set in interval notation x^3+x^2+64x+64>0 please show work

    asked by anonymous
  250. Medical billing and coding

    TRICARE was previously known as.... A.CHAMPUS B.CHAMPVA C.CMS D.CHIP

    asked by Yorhe
  251. math

    2/3 cup of oatmeal is needed to make 10 granola bars. How many such granola bars can be made with 20 cups of oatmeal?

    asked by lebron
  252. algebra

    what expression represents the quotient of (n+3) and 5

    asked by mike
  253. Medical billing and coding

    What was the first prepaid health plan in the United States? A) SCHIP B) Medicare C)Medicaid D)Blue cross Blue Shield

    asked by Yorhe
  254. math

    usethe rational zero theorem to find all real zeros of the polynomisl function.Use the zeros to factor f over the real numbers. f(x)=x^4+2x^33-7x^2-8x+12 what are the real zeros?> use the real zeros to factor f f(x)=

    asked by anonymous
  255. Science

    What does the word trasmits mean? And no the word is not transmits it says you can think of a pigment as a kind of sponge that absorbs light of all colors except the ones that it trasmits and reflects. WHAT DOES TRASMITS MEAN??????!!!!!

    asked by Gaby
  256. math

    factor 8x+16 do you take out a 4 and get (4x-4)(4+4) OR 8(x+2)

    asked by Nicole
  257. Math

    One saved about $300 . If one how many seasons to the nearest 100 which could not be there as the mount of money saved? $167 $198 $225 $251

    asked by PC
  258. College Physics

    The masses of the earth and moon are 5.98 × 1024 and 7.35 × 1022 kg, respectively. Identical amounts of charge are placed on each body, such that the net force (gravitational plus electrical) on each is zero. What is the magnitude of the charge placed on

    asked by Anonymous
  259. lit

    the major elements of drama and distinguishes the form from other genres like the short story and poetry. Using the play Riders to the Sea (Synge)

    asked by Anonymous
  260. Algebra 2

    I know the answer to this question is: -1. I got that answer by substituting -1 in for x. Please show me how I should do this the correct way. (x/(3x+6))-((x+1)/(3x-6))=(1/((x^2)-4)) Thank you.

    asked by Bart
  261. algebra 1

    what is the length of a rectangle that has a width that is 4 inches shorter than the length and a perimeter of 28 inches??

    asked by anonymous
  262. 9th grade algebra


    asked by Nicole
  263. physics

    Sir Lost-a-Lot dons his armor and bursts out of the castle on his trusty steed Tripper in his quest to rescue fair damsels from dragons. Unfortunately his valiant aide Doubtless lowered the drawbridge too far and finally stopped it 28 ◦ below the

    asked by Anonymous
  264. matH

    express n1/2 witHout a fractional exponent?

    asked by farida
  265. math/hurry

    there are 3 boys for every 4 many are boys in a class of 42?

    asked by mel
  266. Vista High school

    solve the following inequality. write your solutionin interval notation x^3-x

    asked by brittney
  267. physics

    A girl goes 4 avenues east{.8 miles), then 24 streets south(1.2 miles), the n 1 avenue west(.2 miles), and finally 8 streets north(.4 miles). -what distance did she travel? -what is her resultant displacement?

    asked by hana
  268. Biology

    how do chromosomes determine sex a family has four children, two girls, and two boys. one girl and one boy are color blind. are their parents color blind name at least three traits that are a results of polygenic inheritance weight, eye clor, height

    asked by fanggirl.rockrchik
  269. Math

    Allie's plant has a height of 6 meters. Rajon's plant grows 3/10 meters higher. How high does Rajon's plant grow?

    asked by Dante
  270. math

    For how many positive integers n does n! end in exactly 5 0s?

    asked by Brenda
  271. Trigonometry

    How am I suppose to transform the left side of the equation into the right side using trig identities? ): 1) sin^2θ - cos^2θ = 2 sin^2θ - 1

    asked by Sira
  272. math

    Six hundred ninetyfour ten thousandth is how much more than fiftyseven thousandths write the answer in words

    asked by jazzi