Questions Asked on
September 12, 2012

  1. Grammar

    What does the following sentence mean?- Begin with a restatement of the lesson learned.

    asked by Losa
  2. math

    Mrs. Nelson uses four different colors to make a scarf. She uses 5/8 of a yard of each color yarn to make one scarf. She plans to make 13 scarves. How many yards of yarn does she need?

    asked by Darius
  3. business finance

    A bond that has a $1,000 par value (face value) and a contract or coupon interest rate of 10.5%. The bonds have a current market value of $1123 and will mature in 10 years. The firm's marginal tax rate is 34%. The cost of capital from this bond debt is

    asked by Anonymous
  4. Stats

    what are the upper and lower limits of the variable below? upper lower 15-19 60-69 * is there a formula i need to use for this.

    asked by Whitney
  5. algebra 2

    Given the two linear equations 4r - 5 = 17 and 12 - 2s = 2, what is the product of r and s?

    asked by Anonymous
  6. Reading

    Having trouble with context clues. I was filled with sadness to leave my friends. But I was not unhappy for long. My excitement grew as we drove because I was thrilled to see new things. 1. What does sadness mean in passage? What clues help you find out?

    asked by Hayden
  7. Business, finance

    Assets and Liabilities. 1. The owner invested 36000 in cash to begin the business 2. paid 9,180 in cash for the purchase of equipment 3. purchased additional equipment for 5600 4. paid 4500 in cash to creditors 5. the owners made an additional investment

    asked by vane
  8. calculus

    find the limit. lim (5-e^x)/(5+3e^x) (x-> infinity) how would i go about solving this? thank you in advance to anyone who can help me.

    asked by maura
  9. physics

    The tallest volcano in the solar system is the 17 km tall Martian volcano, Olympus Mons. An astronaut drops a ball off the rim of the crater and that the free fall acceleration of the ball remains constant throughout the ball’s 17 km fall at a value of

    asked by NEEDS HELP!
  10. physics

    A metal sphere of radius 5.00 cm is initially uncharged. How many electrons would have to be placed on the sphere to produce an electric field of magnitude 1.59 105 N/C at a point 7.98 cm from the center of the sphere?

    asked by Allie
  11. Physics

    Leroy, who has a mass of 110 , is skateboarding at 9.4 when he smacks into a brick wall and comes to a dead stop in 0.2. Find his deceleration.Find the force of impact. (ouch!)

    asked by Jade
  12. statistics

    What are the sample median and the mode for males? The sample mean mark of the 50 male students is 8.30. If the sample mean for the entire sample is 8.42, what is the sample mean for the 75 female students?

    asked by Maria
  13. statistics

    What are the sample median and the mode for males? The sample mean mark of the 50 male students is 8.30. If the sample mean for the entire sample is 8.42, what is the sample mean for the 75 female students?

    asked by Maria
  14. algebra

    sal and thomas went to the mall to buy games for their xboxes. Thomas had $5 less than sal had. Together they have $43. If the used games they were considering buying were $20 (including sales tax),can both of tem buy games with their own money ? Why or

    asked by jazzy
  15. Math

    Construct a truth table for p(q V not p)

    asked by Vickie
  16. algebra

    solve 4(x-3)-1(2x+7)=-14-4x

    asked by jazzy
  17. English

    1. I will visit my grandparents next month. 2. I intend to visit my grandparents next month. 3. I am going to visit my grandparents next month. (Does #1 mean #2 or #3 in meaning?)

    asked by rfvv
  18. algebra

    (?)=4 means that some thing is a distance of 4 units away from zero on the number line. What could that number(s) be ? why?

    asked by jazzy
  19. chemistry

    How much energy will it take to vaporize 45 g of liquid bromine (Br 2) if the ΔH of formation of Br 2 (g) is 31 kJ/mole?

    asked by =D
  20. Chemistry

    How was carbon dioxide gas collected by water displacement? >_< Also, what can be learned in a density carbon dioxide lab?

    asked by Siria
  21. English

    1. I am a dentist, am I not? 2. I am a dentist, aren't I? 3. I am a dentist, ain't I? (Which one is grammatically correct?)

    asked by rfvv
  22. Math

    The area of a square is 16cmsq. Find the area of the square joining the mid pt. Of its side. Gv me sltn

    asked by Simran kaur
  23. Math

    In a trapezium ABCD,ABperpendicular DC.if angle A=4x degree,angle B=(6x+10degree),angle C=(3x-10degree) & angle D=5x degree.find each angle of trapezium.

    asked by Simran kaur
  24. English

    1. There are many needle-leaved trees in the mountain. 2. There are many needle-leafed trees in the mountain. 3. There are many needle leaf trees in the mountain. 4. There are many broad-leafed trees in the mountain. 5. There are many broad-leaved trees in

    asked by rfvv
  25. math

    complete the tables so that the ratios are equivalent i don't understand 10 | | 27 40 | 36 | 54 | 72

    asked by John
  26. math

    Landmark numbers for this ser of numbers 12, 16, 23, 15, 16, 19, 18

    asked by Anonymous
  27. maths

    adding fractions

    asked by max
  28. computer science

    Compare how data is handled in the NTFS EFS+, Ext3fs, and NTFS. Which one do you consider to be the most reliable file system? Why?

    asked by dennis
  29. math, calculus 2

    Consider the area between the graphs x+y=16 and x+4= (y^2). This area can be computed in two different ways using integrals. First of all it can be computed as a sum of two integrals integrate from a to b of f(x)dx + integrate from b to c of g(x)dx What is

    asked by bobby
  30. calculus 2

    Justify, with a written explanation or a mathematical reasoning and with a sketch of at least two different cases, the following properties of integrals: a) If f(x) is less than or equal to g(x) for a

    asked by bobby
  31. math

    What's is 81300 in powers of 10

    asked by Anonymous
  32. physics

    Consider a battery that has Vt = 12.0 V when it is not connected to a circuit. When a 10.0- resistor is connected with the battery, the potential difference across the battery’s terminals drops to 10.9 V. What is the internal resistance of the

    asked by anna
  33. physics

    If we wanted a block of iron of mass 3.25 kg to acquire a positive charge of 0.100 C, what fraction of the electrons would we have to remove?

    asked by anna
  34. physics

    What is the magnitude of the electrostatic force that the two protons inside the nucleus of a helium atom exert on each other? Why do atomic nuclei not simply explode?

    asked by anna
  35. English

    1. People in my town eat fish a lot, but we eat only fish heads. 2. People in my town eat fish a lot, but they eat only fish heads. (Which one do we have to use, 'we' or 'they'? Are they the same? Is there any difference in meaing?)

    asked by rfvv
  36. english

    1. Which of the following phrases best defines rhythm? (1 point) Repeated sounds across lines of poetry a poem's cadence, pace, or ongoing momentum A collection of lines in a poem The regular of irregular rhyme scheme in a poem 2. Which of the following

    asked by mahindu
  37. English

    1. I will take the fish body. 2. I will eat the fish body. (Are both the same? Does 'take' mean 'eat' in this sentence?)

    asked by rfvv
  38. chem

    .You have an ice cube that is 150 g and is at a temperature of 0°C. You drop the ice into water that is initially at 15ºC and the ice melts. As a result, the water cools of by exactly 1ºC to become 14ºC. How much water was there? In other words, what

    asked by chuck
  39. English

    What are fish heads good for? 1. They are good for the brain. 2. They are good for brains. 3. They are good for a brain. 4. They are good for our brain. 5. They are good for our brains. (Which answers are correct?)

    asked by rfvv
  40. Science

    A body moving with an initial velocity of 10m/s has a uniform acceleration of 2m/s.Find distance travelled in the 8th second of its motion?

    asked by Sreehari
  41. Chemistry

    A 50.0 mL graduated cylinder has a mass of 67.6 g. When it is filled with an unknown liquid to the 38.8 mL mark, the cylinder and liquid combined have a mass of 119.4 g. Calculate the density of the liquid in g/cm3. (1 mL = 1 cm3.)

    asked by H
  42. Psychology

    Need help double checking these tricky psychology questions. I put an asterix (*)next to my answers, Thanks! Which of the following fields is the best example of psychology as a basic science? A-Educational psychology B-industrial organizational psychology

    asked by Lilly
  43. computer

    assuming a disk should never get 85% full and assuming you were generating 200MB of new data per week, at what point would you need to add another hard disk?

    asked by mary
  44. psychology

    when kevin started his car in the parking lot, he also turned on the radio to his favorite station,as he entered the street onto the campus, he turned the radio up due to the increased background noise in the car. entering the highway, he again increased

    asked by David
  45. Chem

    Paper thickness varies. Typically, 100 sheets are about a cm thick. Atoms typically vary from 1 to 3 angstroms in radius. (An angstrom is 10-10 m.) Suppose a piece of paper is 0.0073 cm thick. How many atoms span the thickness if the radius of the atom is

    asked by k
  46. English

    An essay,describe and explain some of the ways in which you have changed.Since you started your present school and some of the ways in which your personality remains the same.

    asked by Ayesha
  47. statistics

    If a bag contains a set of 20 red balls, 10 green balls, and 15 black balls, then what is the possiblity of selecting (in this order) a red ball, a green ball, and a red ball. Without Replacement of the items selected. Can you explain how you get the

    asked by Cheryl
  48. Physics

    A stone is projected vertically upwards with velocity 40 m/s. Show that the stone will reach the point of projection with the same velocity.

    asked by Lans VS
  49. physical science

    If a 2 kg block has a gravitional potential energy of 58.5 J, how high is it above the floor?

    asked by kathy
  50. Chemistry

    Calculate the H+ ion concentration if 0.20M NH3 solution is 2.5% ionized.

    asked by charley
  51. finance

    The Nutrex Corporation wants to calculate its weighted average cost of capital. Its target capital structure weights are 40 percent long-term debt and 60 percent common equity. The before-tax cost of debt is estimated to be 10 percent and the company is in

    asked by san
  52. Spanish III

    HELP!! Which one is correct? Thanks! El contrabandista ______________ por los federales esta tarde en su escondite en la costa de Florida. A) se agarran B) se agarro C) fue agarrado D) se agarra

    asked by KellyD
  53. Business Law for Managers

    How are most consumer laws administratered?

    asked by Yolanda
  54. chemistry

    how many "particles in solution" will form from each sucrose (C12H22O11) molecule added to water? Explain. I don't understand where I am supposed to start... What do I need to know to do this problem? thank you

    asked by Laura
  55. Maths

    f (x) = x2 - 4/ x2 - 1 This needs to be plotted onto a graph, but I don't know how

    asked by Josh
  56. chemistry

    For each of the following explain how you would prepare 1.0 L of a solution that is 0.10 M in K+. Repeat for concentrations of 1.0 × 102 ppm K+ and 1.0% w/v K+.

    asked by Anonymous
  57. math

    x^2=8x-9 solve by completing the square to obtain exact solutions

    asked by amber
  58. math

    how do I round 589 to the nearest 10

    asked by Cassie
  59. Hum/176

    Is it possible for a band or artist to make topical or political commentary in a song today while focusing on turning a profit?

    asked by keisha
  60. Chem

    Any help is appreciated! Gold has a density of 19.3 g/cm3. Do you think you could carry 2.40 cubic ft (rhetorical--don't answer)? How many pounds does 2.40 cubic feet of gold weigh? [453.6 g = 1 lb, 2.54 cm = 1 in, and 1 ft = 12 in.] 7.42e-2 A scientific

    asked by Anonymous
  61. math

    3x^2+5x-2=0.. i know you would make it 3x^2+5x_ =-2 but don't know how to do the 5x

    asked by anonymous
  62. Physics

    In a stunt for an action movie, the 100 kg actor jumps from a train which is crossing a river bridge. On the river below, the heroine is tied to a raft floating towards a waterfall at 3 m s−1. The raft and heroine have a total mass of 200 kg. a If the

    asked by Chris
  63. calculus

    This problem has two parts but I can only see this so far. I probably over thinking..what is this asking for? How do I answer it? To evaluate lim x→ infinity sqrt(x^2 + 4) *first consider that as x becomes infinitely large x^2+4 -> __?__

    asked by maura
  64. Spanish III

    Ok, I think I am getting this...is this answer D)? Thanks! Uno de los casas de acoso sexual en mi trabajo ______________________ por una mujer que sufrio de la experiencia con uno de los jefes. A) fueron reportados B) se reporta C) se reportaron D) fue

    asked by KellyD
  65. Finance

    On January 1, 2011 you bought a two-year U.S. government bond with a principal (face value) of $1000 and a coupon rate of 6% with coupons paid on December 31, 2011 and December 31, 2012. The principal will be repaid on December 31, 2012. The Consumer Price

    asked by Jerry
  66. i don't get it

    why does everybody not like a teacher's pet?

    asked by LIndsay
  67. Economics

    How does the market price of a good in a monopoly market compare with the market price of the same good in a perfectly competitive market? A. The price is higher. B. The price is lower. C. The prices cannot be compared. D. The prices are the same.

    asked by margaret
  68. CIS 312 Information systems for Managers

    What are the advantages and disadvantages of using Enterprise Information Systems (EIS) such as ERP and SCM?

    asked by Yolanda
  69. Spanish III

    Ok, I think I am getting this...is this answer D)? Thanks! Uno de los casas de acoso sexual en mi trabajo ______________________ por una mujer que sufrio de la experiencia con uno de los jefes. A) fueron reportados B) se reporta C) se reportaron D) fue

    asked by KellyD
  70. child day care

    Jean Piaget was a A. factory worker. B. pediatrician C. developmental psychologist. D. child care provider.

    asked by katie
  71. Calculus

    what is the limit of g(theta)= tan(4theta)/4theta.

    asked by Ashley
  72. English

    2. Read the following words: sautnterd, walked, danced What is the best way to group these words on a classification chart to help you understand their meanings? a. They all end in -ed b. They are all in the past tense c. They are all verbs d. They are all

    asked by :)
  73. Physical Chemistry

    What is the mass of air in a 250-mL Erlenmeyer flask (actual volume is 267 mL) at a typical laboratory pressure of 715 torr and a temperature of 21˚C? Assume air to be an ideal gas having an average molar mass of 29.0 g/mol.

    asked by Dia B
  74. Chemistry

    A toy balloon originally held 1.00 g of helium gas and had a radius of 10.0 cm. During the night, 0.25 g of the gas effused from the balloon. Assuming ideal gas behavior under these constant pressure and temperature conditions, what was the radius of the

    asked by Dia B
  75. chemistry

    Indicate the number of equivalents in each of the following: 4mol Mg2+ 0.1mol H+ 2mol Cl- 3mol Fe3+

    asked by Katherine
  76. Chemistry

    How do you calculate the density of a rectangular solid, which has a mass of 25.71

    asked by Trina
  77. Physics

    If your car accelerates from rest at a steady rate of 4 m/s2, how soon will it reach 84 km/h

    asked by Tonya
  78. Physics

    If your car accelerates from rest at a steady rate of 4 m/s2, how soon will it reach 84 km/h

    asked by Tonya
  79. english

    In the following sentence, what is the subject complement? My neighbor is a newspaper reporter.

    asked by jerry
  80. math

    .009/.004=root over.027/.008 -1 ?

    asked by TUHITUHI
  81. math

    wendy is thinking of a 7-digit number the digit in the hundred thousands place is twice in the tens place .the digit in the millions place.which could be wend's number

    asked by jimmy
  82. Math

    What is a 2 digit number 19 is a factor and the sum of its digits is 12

    asked by Rosie
  83. Excel & Math

    I'm not sure what two excel functions to use that will give the correct answer and how to copy the information to each cell and the values stay the same. 2. A home loan is to be repaid by a series of equal monthly payments over many years. Prepare a

    asked by Angie
  84. 20

    Определить степень окисления галогенов в следующих соединениях

    asked by Иль�
  85. math

    Pleasee help me I don't understad at al l. Estimating the diffrence

    asked by peter
  86. statistics

    10. A student is taking a multiple choice test where each question have 5 possible answers of which only one is right. If the student knows the answer the student answers correctly, otherwise there is a 20% probability of correct answer. Assume the student

    asked by mutinda
  87. statistics

    A student is taking a multiple choice test where each question have 5 possible answers of which only one is right. If the student knows the answer the student answers correctly, otherwise there is a 20% probability of correct answer. Assume the student

    asked by erick
  88. Science

    Which of the following brake fluids is a strong paint solvent? DOT 1 DOT 2 DOT 3 DOT 5

    asked by Vicky
  89. math

    1. Which of the following is greater than 4.3 x 10^9 a. 2.1 x 10^9 b. 3.2 x 10^9 c. 5.3 x 10^9 d. 7.4 x 10^8 2. Which of the following is less than 6.5 x 10^-5 a. 1.4 x 10^-3 b. 2.5 x 10^-4 c. 7.8 x 10^-5 d. 4.6 x 10^-6 3. According to the 2010 census, the

    asked by Nyla
  90. Math

    A. What do you get when you use your calculator to divide by 84 and 14? What does this tell you about 14 and 84? B. What do you get when you use your calculator to divide 84 and 15? What does this tell you about 15 and 84

    asked by Tiffany
  91. History

    Please can you explain what this question means. I don't understand the question especially 'carbon'. Design your own carbon to describe main points of treaty of versailles. Many thanks

    asked by Peter
  92. Math

    (12-2)+(13-18 divided by)

    asked by Lynn
  93. College Physics

    The best leaper in the animal kingdom is the puma, which can jump to a height of 3.7 m when leaving the ground at an angle of 45°. With what speed must the animal leave the ground to reach that height? _____m/s

    asked by Kali
  94. Physics

    A brick is thrown upward from the top of a building at an angle of 25° to the horizontal and with an initial speed of 17 m/s. If the brick is in flight for 3.3 s, how tall is the building? m

    asked by Crown
  95. math

    Kadegah was arranging cds. She had five different groups.she put 1/8 in jazz 7/32 in rap 1/32 in rock and 3/8 in pop and 1/4 in hip hop. If there are 22 cds in jazz how much did she arrange altogether?

    asked by sheed
  96. math help

    1. Which of the following is greater than 4.3 x 10^9 a. 2.1 x 10^9 b. 3.2 x 10^9 c. 5.3 x 10^9 d. 7.4 x 10^8 2. Which of the following is less than 6.5 x 10^-5 a. 1.4 x 10^-3 b. 2.5 x 10^-4 c. 7.8 x 10^-5 d. 4.6 x 10^-6 3. According to the 2010 census, the

    asked by :)
  97. Wile E. Coyote

    The determined Wile E. Coyote is out once more to try to capture the elusive roadrunner. The coyote wears a new pair of power roller skates, which provide a constant horizontal acceleration of 15 m/s2, as shown in the figure below. The coyote starts off at

    asked by D ~ Day
  98. College Physics

    A hunter wishes to cross a river that is 1.6 km wide and flows with a speed of 5.0 km/h parallel to its banks. The hunter uses a small powerboat that moves at a maximum speed of 15 km/h with respect to the water. What is the minimum time necessary for

    asked by Dumb-Dumb
  99. world history

    need help asap! please 2) How did Islam unite and effectively rule diverse people and cultures? 3) How did Islam change over time from the time of Bedouin tribes to the Abbasid Caliphate? How did Islam continue over time from the Bedouins to the Abbasid?

    asked by Anonymous
  100. AP Biology

    1.Oparin and Haldane hypothesized that the Earth's early atmosphere was strongly (2 points) acidic. oxidizing. reducing. ~~ ionic. 2.The most significant outcome of the Miller and Urey experiments was that they (2 points) synthesized living cells from

    asked by henry
  101. Algebra

    1. Which of the following is greater than 4.3 x 10^9 a. 2.1 x 10^9 b. 3.2 x 10^9 c. 5.3 x 10^9 d. 7.4 x 10^8 2. Which of the following is less than 6.5 x 10^-5 a. 1.4 x 10^-3 b. 2.5 x 10^-4 c. 7.8 x 10^-5 d. 4.6 x 10^-6 3. According to the 2010 census, the

    asked by Chase
  102. physics

    A rocket is launched at an angle of 59.0° above the horizontal with an initial speed of 103 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 31.0 m/s2. At this time, its engines fail and the rocket proceeds to move

    asked by Kali
  103. Macroeconomics

    Ok so this probably seems easy but I am not sure how to work these. We are given a table with data Price Paper Price 2010 2 100 2.5 2011 3 125 3 2012 4 150 3.5 we are usig 2011 as base year a) what is nomial GDP? b) Real GDP? c) GDP Price Index d) CPI Is

    asked by Isis
  104. simplest form

    what is 1/2+5/6 in simplest form

    asked by tt
  105. Math-Perimeter

    I just need to know how to use the perimeter formula to work this out (dont give answer) A rectangular certicate 8 in. by 10 in. will have a frame 1 1/2 in. wide surrounding it. What is the perimeter of the outside edge of the frame?

    asked by IB student
  106. math

    malik paid 480$ to purchase a certain number of pizzas, but 2 extra were delivered which decreased the amount per pizza by 1$. how many pizzas were delivered?

    asked by dan
  107. math help

    1. Which of the following is greater than 4.3 x 10^9 a. 2.1 x 10^9 b. 3.2 x 10^9 c. 5.3 x 10^9 d. 7.4 x 10^8 2. Which of the following is less than 6.5 x 10^-5 a. 1.4 x 10^-3 b. 2.5 x 10^-4 c. 7.8 x 10^-5 d. 4.6 x 10^-6 3. According to the 2010 census, the

    asked by :)
  108. Chemistry

    A rubber balloon was filled with helium at 25˚C and placed in a beaker of liquid nitrogen at -196˚C. The volume of the cold helium was 15 cm3 Assuming ideal gas behavior and isobaric conditions, what was the volume of the helium at 25˚C?

    asked by Dia B
  109. Chemistry

    The pressure of a gaseous mixture of NH3 and N2 decreased from 1.50 kPa to 1.00 kPa after the NH3 was absorbed from the mixture. Assuming ideal gas behavior, find the composition of the original mixture.

    asked by Dia B
  110. Physical Chemistry

    A mixture of ethane and ethene occupied 35.5 L at 1.000 bar and 405 K. This mixture reacted completely with 110.3 g of O2 to produce CO2 and H2O. What was the composition of the original mixture? Assume ideal gas behavior

    asked by Dia B
  111. Biology

    Describe the RNA world hypothesis, and discuss specific evidence that supports this scientific hypothesis. i know part of it is The RNA world hypothesis proposes that self replicating ribonucleic acid molecules were precursors to current life. but i don't

    asked by batmo
  112. Physics

    A truck covers 40.0 m in 9.40 s while smoothly slowing down to final speed 2.35 m/s. Find its accelerations

    asked by Cyrus
  113. Algebra

    How do you multiply (6m^4)(8m^2)

    asked by Courtney
  114. Statistics

    Can you change this research question into a null hypothesis: What is the difference in students’ computer anxiety based on whether or not they own computers?

    asked by Bev
  115. science

    summaries of what was learned in a scientific experiment.

    asked by snooki
  116. Language Arts

    how do i write these sentences as compound useing commas and but or to combinethem The circus is finally here. we can hardly wait to go. Mike went last week. we are going this weekend. will your mother take us? Should we go on the bus?

    asked by hailey
  117. physics

    to find the depth of the water surface in a well, a person drops a stone from the top of the well and simultaneously starts a stopwatch. The watch is stopped when the splash is heard, giving a reading of 3.65 s. The speed of sound is 340 m/s. Find the

    asked by raj
  118. math

    explain how a ruler is different from a straight edge

    asked by antonio
  119. physics

    My teacher wants me to find the meaning of Unit of Measurement.

    asked by shellian
  120. chemistry

    If the sun is 150,000,000 km away, how many minutes does it take light to travel from the sun to the earth? Assume light travels at a speed of 3.0x10^10 cm/sec

    asked by Patricia
  121. Business Math and Statistics

    If the interest rate is 3% and a total of $4,370.91 will be paid to you at the end of 3 years, what is the present value of that sum ?

    asked by India
  122. Math

    Explain why the digits in a place value system with base, b, are 0,1,... b-1 and why no digits for numbers greater than b-1 are needed

    asked by Jessica
  123. Math

    An assembly line worker at rob's bicycle factory adds a seat to a bicycle at a rate of 2 seats in 11 minutes. Write a proportion relating the number of seats s to the number of minutes m. At this rate how long will it take to add 16 seats? 19 seats?

    asked by Hannah
  124. 10th Grade Math-Algebra 2

    How do you multiply algebraic expression such as..... (5x^3)(4xy^2)

    asked by Sk8rNerd
  125. i don't understand this math

    1. Which of the following is greater than 4.3 x 10^9 a. 2.1 x 10^9 b. 3.2 x 10^9 c. 5.3 x 10^9 d. 7.4 x 10^8 2. Which of the following is less than 6.5 x 10^-5 a. 1.4 x 10^-3 b. 2.5 x 10^-4 c. 7.8 x 10^-5 d. 4.6 x 10^-6 3. According to the 2010 census, the

    asked by Nyla
  126. Chemistry

    Calculate the molality of of a sol'n whose density is 1.15 g/ml

    asked by Matt
  127. Math

    Plz help lisa is painting a fence that is 26 feet long and 7 feet tall. A gallon of paint will cover 350 square feet. Write and solve a proportion to determine how many gallons lisa will need.

    asked by Hannah
  128. math

    Give the base-ten numeral for 101,010two and 912twelve

    asked by Jessica
  129. language arts

    hw do i show you my answers

    asked by hailey
  130. science

    A force directed 47.5° below the positive x-axis has an x component of 5.09 lb. Find its y component.

    asked by Anonymous
  131. math

    Somewhere in the Mojave Desert, the army set up training camps named Arachnid, Feline, Canine, Lupine, Bovine, and Thirty-Nine. Arachnid is 15 miles from Canine. Bovine is 12 miles from Lupine. Feline is 6 miles from Thirty-Nine. Lupine is 3 miles from

    asked by Lanay
  132. physics

    A plane leaves Seattle, flies 85 mi at 22 degrees north of east, and then changes direction to 48 degrees south of east. After flying 115 mi in this new direction, the pilot must make an emergency landing on a field. The Seattle airport facility dispatches

    asked by Jean
  133. Physics

    A plane leaves Seattle, flies 85 mi at 22 degrees north of east, and then changes direction to 48 degrees south of east. After flying 115 mi in this new direction, the pilot must make an emergency landing on a field. The Seattle airport facility dispatches

    asked by Jean
  134. Math

    Which choice gives the correct order of operations needed to find the value of 4(6+3)-24 A.+,x,- B.x,+,- C.-,x,+ D.+,-,x A?

    asked by Derrick
  135. LAW 302 business law for Managers

    what is your opinion on the role of fault and individual responsibility in both torts and product liability? Not sure how to answer this question.

    asked by Timica
  136. Math

    Can u solve and show steps for x/2 + 1 = 1/4x - 6? I subtract 1 from each side. Then I times each side by 2 to get x alone. Do I multiply 2 1/4 and 7?

    asked by Kelley
  137. math

    Are the multiples of 8 also 2 or 4?

    asked by Janiya
  138. physics

    The minivan your mom lets you drive accelerates from 12 m/s to 24 m/s in 6.5 s. How far does it travel in this time? Assume constant acceleration.

    asked by sara
  139. math

    the "roundness of an integer greater than 1 is the sum of the exponenys of the prime number. for example, 20= 2to the squared multiplied by 5 to the 1st power,so 20 has a roundness of 3. what is the roundness of 1,000,000?

    asked by shauna
  140. physics

    When moving at highway speed, a Triumph America motorcycle is capable of accelerating at 2.1 m/s2. At this rate, how long does it take to accelerate from 103 km/h to 88 km/h?

    asked by sara
  141. math

    what is the positive difference between the two largest prime factors of 159,137?

    asked by shauna
  142. Math

    Is there a way to get an message or I have to scroll through these Maths to find me because I can't find mine

    asked by Pat
  143. math

    each of the natural numbers 2 through 100, inclusive, is factored in its prime factorization. how many factors of 5 are in the collection of factorizations?

    asked by shane
  144. math

    how many positive integers less than or equal to 100 have a prime factor that is greater than 4?

    asked by shaun
  145. Math

    Multiply & write in simplest form: The mississippi river is about 23/25 the length of the missouri river. If the missouri river is 2,540 miles long, how long is the mississippi river? Thanks

    asked by Sam
  146. math

    last year bill traveled 6,589 miles on business. Donna traveled 4,309 miles and Ursula traveled 1,028 miles my answer is 11,926 miles use what you know about solving word problem to explain how you found your answer. use words and/ or numbers in you

    asked by hailey
  147. math

    Equivalencies If A, then B is equivalent to If not B, then not A Not (A and B) is equivalent to not A OR not B Not (A or B) is equivalent to not A AND not B Can you give an equivalent statement to 1. If an Iowa farmer does not grow corn or beans, then he

    asked by Pat
  148. Physics

    During a baseball game, a batter hits a high pop-up. if the ball remains in the air for 4.2 seconds, how high does it rise? The accelleration of gravity is 9.8 m/s^2.

    asked by Anonymous
  149. LAW 302 business law for Managers

    what is your opinion on the role of fault and individual responsibility in both torts and product liability? Not sure how to answer this question.

    asked by Timica
  150. math

    owen is 147.3 cm tall. what is owen's height as a mixed number. what is owen's height as an improper fraction.

    asked by mario
  151. physics

    An artillery shell is fired at an angle of 66.1 degrees above the horizontal ground with an initial speed of 1650 m/s. The acceleration of gravity is 9.8 m/s2 . Find the total time of flight of the shell,neglecting air resistance.

    asked by Anonymous
  152. math

    The length of a rectangle is 2 inches more than its width. The area of the rectangle is 15 square inches. What are the length and width of the rectangle?

    asked by TT
  153. physics

    A force is applied to a 2.7 kg mass and produces 2.9 m/s 2 acceleration. What acceleration would be produced by the same force applied to a 14.9 kg mass? Answer in units of m/s 2

    asked by Britney
  154. chem

    Cobalt-60, which undergoes beta decay, has a half-life of 5.26 yr. (a) How many beta particles are emitted in 47.0 s by a 2.39-mg sample of 60Co? i got 2.44e19 but thast wrong

    asked by sara
  155. math

    Find the general term of the set. {8, 12, 16, 20, 24, . . .} 8n 4n + 4 3n + 5 5n + 3

    asked by jazzmin
  156. English

    Replace the CAPS letters using a word that means the same thing. Word bank: apparel besiege compress denounce dispatch douse expressly famished forsake gainful immense inept ingenious instantaneous irk libel misgiving oaf recede repast Enjoyed the MEAL

    asked by Jerald
  157. physics

    Emily takes a trip, driving with a constant velocity of 89.5 km/h to the north except for a 22 min rest stop. If Emily's average velocity is 70.8 km/h to the north, how long does the trip take?

    asked by ashley
  158. science

    What is different about a massive star's lifetime during the hydrogen fusing phase? Where is this star on the H-R diagram?

    asked by SoccerStar
  159. Math

    Restaurants charge about 3 times the cost of food for items on the menu. A restaurant pays $7 per pound for fish, $2 for a dozen lemons, and $6 for parsley. If 2 fish dinners can be made from this, how much would this meal costs? My answer is $36

    asked by Samantha
  160. Physics

    Two 125 N forces pull on a 50 kg mass. One of the forces pulls to the right and the other pulls 90 degrees from the first force. What is the net acceleration of the mass?

    asked by Matt
  161. math

    the circumference of a circle is 18*3.14cm. The radius is increased, and the circumferenceof the new circle is 16*3.14cm. by how much was the radius of the oringinal circle increased?

    asked by briana
  162. computer science

    Assume that BlogComment is a structured type with these fields, comment (a string, the actual comment), and two int fields: like, dislike which count the number of "likes" and "dislikes" of the comment by visitors. Assume that nComments is an int variable

    asked by Anonymous
  163. Calculus - Question

    Am I allowed to do this? for the integral of ∫ sec^4 (3x)/ tan^3 (3x) dx I change it to ∫ sec^4 (3x) tan^-3 (3x) From here I use the rule for trigonometry functions.

    asked by Robert
  164. Calc 3

    A cooling tower for a nuclear reactor is to be constructed in the shape of a hyperboloid of one sheet. The diameter at the base is 300 m and the minimum diameter, 500 m above the base, is 200 m. Find an equation describing the shape of the tower in the

    asked by Becky
  165. Physics

    A cannonball is fired with initial speed v0 at an angle 30° above the horizontal from a height of 36.0 m above the ground. The projectile strikes the ground with a speed of 1.3v0. Find v0. (Ignore any effects due to air resistance.) HELP NEEDED!!!

    asked by Lulu
  166. Algebra 2

    One bottle contains 2 1/2 times as much water as another bottle. The larger bottle contains 15 ounces. How much does the smaller bottle contain?

    asked by Gab
  167. Math

    Tonya and Lauren ate designing a soccer uniform. They want to use two colors on the shirt. Their colors are green, orange, yellow, purple, blue, and silver . How many ways can they choose two colors?

    asked by Anonymous
  168. geometry

    the perimeter of a rectangle is 58cm. Its breath is 5cm. find the area of the rectangle.

    asked by Anonymous
  169. Chemistry

    when 10.0 ml of a .20 M Cu (NO3)2 solution is mixed with 15.0 mL of 0.20M NaOH, what is the theoretical yield (grams) of copper (II) hydroxide?

    asked by Lily
  170. trigonometry

    is sin^(2)x the same as sin(x)^2?

    asked by jenny
  171. social studies

    what does source of article mean?????????????????????????????:)

    asked by Kandy
  172. Pre-Cal

    Find the domain of the function. sqrt of x^2-9

    asked by Philip
  173. MATH

    Can you show me an example of an interval?

    asked by Jisu
  174. geometry

    A 30-foot cable is suspended between the tops of two 20-foot poles on level ground. The lowest point of the cable is 5 feet above the ground. What is the distance between the two poles?

    asked by Lisa
  175. Geometry

    Let b: Breakfast is a meal Let s: Spring is a season Let h: Halloween is a season s v h = true b ^ s = true ~ s v h = true b ^ ~h = false ~b v ~s = false ~(s ^ h)= false ~(b v ~s) = true ~b ^ ~s = false

    asked by chan
  176. psychology

    Aresearcher is studying people of normal weight and obese individuals.She wants to know how the time of day affects hunger feelings in these two groups. when, during the experiment, the researcher looks at her watch, she has introduced what into the

    asked by SHERRY
  177. reading

    is there anywhere i can read the story "my first free summer" by julia alvarez online?

    asked by tara
  178. math

    to find a lenght of a line segment over AB , with endpoints A(-7,5) & B(4,-6) you can use the ....?

    asked by tiffany
  179. English

    Find words in the word bank that are the opposite of the words in CAPS. The work bank is the same. sailing across the TINY ocean immense knew when to KINDLE the torch douse? EXPAND the bundle to fit compress? was certain to GLADDEN the passengers irk?

    asked by Jerald
  180. Limit Calculas

    Evaluate lim->4 sin(2y)/tan(5y) Here is what I have so far. I am not sure the next steps. Can someone help me? 1. sin(2y)/(sin(5y)*cos(5y)) 2. (sin(2y)*cos(5y))/sin(5y)

    asked by Ryan
  181. calculus

    Evaluate lim->4 sin(2y)/tan(5y) Here is what I have so far. I am not sure the next steps. Can someone help me? 1. sin(2y)/(sin(5y)*cos(5y)) 2. (sin(2y)*cos(5y))/sin(5y)

    asked by Ryan
  182. Physics(please help, I'm stuck)

    A particle with a charge of -1.4 μC and a mass of 2.9 x 10-6 kg is released from rest at point A and accelerates toward point B, arriving there with a speed of 22 m/s. The only force acting on the particle is the electric force. What is the potential

    asked by Alex
  183. Physics

    Two balls (Ball 1 and Ball 2) are released from the top of a tower. Ball 2 is thrown 3.14 seconds after Ball 1 is dropped. Ball 2 is thrown downward with a velocity of 3.49 m/s. Determine how far Ball 1 has fallen (to two decimal points) by the time Ball 2

    asked by Ashley
  184. us history/ english

    Can anybody help me understand the first three chapters of Lies My Teacher Told Me? Maybe possibly give some summaries or themes

    asked by Lauren
  185. geometry

    Given --->VY bisects ZY bisects

    asked by Brian
  186. Physics

    Part 1: Two balls (Ball 1 and Ball 2) are released from the top of a tower. Ball 2 is thrown 3.14 seconds after Ball 1 is dropped. Ball 2 is thrown downward with a velocity of 3.49 m/s. Determine how far apart Ball 1 and Ball 2 are after 5.02 seconds from

    asked by Ashley
  187. Physics

    Part 1: Two balls (Ball 1 and Ball 2) are released from the top of a tower. Ball 2 is thrown 3.14 seconds after Ball 1 is dropped. Ball 2 is thrown downward with a velocity of 3.49 m/s. Determine how far apart Ball 1 and Ball 2 are after 5.02 seconds from

    asked by Ashley
  188. guidance and discipline

    An appropriate related consequence for spilling milk is A.n appropriate related consequence for spilling milk is A. being sent to time out. B. replacing the milk C.wiping up the milk. D not getting milk the next day. I picked C ;

    asked by lisa
  189. math

    a cars tank can hold 17 gallons of gas on the freeway and i get 28 miles per gallon and i drive 32 miles whats the amount of gas in my tank

    asked by lee
  190. math

    (4x^4+3x^3-2x+1) + (5-2x^2+5x^3-x^4) - (6x^2x-3)

    asked by abbie
  191. Physics(please check)

    X=(Vo cos Q) t X=(3.107 cos 0)(0.443) I just wanted to make sure that I put this equation into my calculator correctly. I have a TI-30 so first I put in 0 then cos to get 1. Then I multiplied by 3.107 to get 3.107 and then multiplied by 0.443 to get 1.376

    asked by Hannah
  192. math

    Justin cuts a piece of wood measuring 5 3/8 inches into two equal pieces how long is each piece

    asked by Jill
  193. English

    Complete each statment in CAPS that is the same or almost the same in meaning. The 1960s left a definite mark on American APPAREL. The meaning of apparel is A.promptness B.Victuals C.Clothing D.Slander C? Fashion designers,department stores,and boutiques

    asked by Jerald
  194. Horticulture

    The repeated node internode node pattern of construction is typical of what part of an angiosperm plant?

    asked by Meg
  195. guidance and discipline

    When Cary is not chosen to collect forks in the cafeteria, he shouts I hate you!" to his teacher, Mrs. Miller. Which on of the following responses below will help Mrs. Miller gude carey in expressing his feelings better? A. It sounds like you are really

    asked by lisa
  196. business finance

    what is the expected real interest rate on a ten year 2.5% u s treasury bond

    asked by Jaeden
  197. Chemistry

    Calculate the volume of water, in milliliters, that would be displaced by a piece of gold weighing 18.2g.

    asked by Anne
  198. Math 8R - Help!

    Rhonda decided to keep a record of her weight gains and losses over six month period. The results are as follows: Mouth 1 - +2 lbs Month 2 - -1 lb Month 3 - -3 lbs Month 4 - +1 lb Mouth 5 - -4 lbs Mouth 6 - +3 lbs How much was the total change in Rhonda's

    asked by Laruen
  199. ashford university

    "Exercise 16-3 Determining the present value of a lump-sum future cash receipt Marsha Bittner expects to receive a $600,000 cash benefit when she retires five years from today. Ms. Bittner’s employer has offered an early retirement incentive by agreeing

    asked by Brenda
  200. curriculum development

    Katie is two years old. it is probable that she can: A. flex her leg and kick a ball. B. push against the ball,but not really kick it. C. kick a ball with a straight leg. D. kick a ball with her leg and have arm opposition. I chosed A

    asked by lisa
  201. Physics(Please help)

    using the equation y=yo + (vo sin Q) t - 1/2gt^2 I have to find t. The values for y, yo and vo were given to me. So I set the equation up like this: 0=1.005 + (3.107 sin 0) t - 1/2(9.8)(t^2 The sin of 0 is 0 times 3.107 is 0. So 0 = 1.005 t - 4.9 t^2 Now I

    asked by Hannah
  202. physics

    A force 1 of magnitude 5.40 units acts at the origin in a direction 45.0° above the positive x axis. A second force 2 of magnitude 5.00 units acts at the origin in the direction of the positive y axis. Graphically find the magnitude and direction of the

    asked by carlton
  203. physics

    A plane flies from base camp to Lake A, 220 km away in the direction 20.0° north of east. After dropping off supplies it flies to Lake B, which is 150 km at 30.0° west of north from Lake A. Graphically determine the distance and direction from Lake B to

    asked by carlton
  204. Math

    A toy train has 20 cars- blue, purple and orange. There are 4 times as many blue cars as purple cars. There are 5 times as many orange cars as purple cars. How many of each color are there?

    asked by Colin
  205. geometry

    Rays PQ and QR are perpindicular. Point S lies i the interior of angle PQR. If the measure of the angle SQR=4+7a and the measure of angle SQR=9=4a, find the measure of angle of PQS and angle SQR.

    asked by Jack
  206. physics

    On Planet Y, the value of g is 12 m/s/s. If the human weighs 685 N on this planet, then how much woud he weigh on earth?

    asked by Tony
  207. Chemistry

    Calculate the volume of water, in milliliters, that would be displaced by a piece of gold weighing 18.2g.

    asked by Anne
  208. Chemistry

    Calculate the volume of water, in milliliters, that would be displaced by a piece of gold weighing 18.2g.

    asked by Anne
  209. Math

    How do you solve x/2+1=1/4x-6?

    asked by Kelley
  210. Physics

    An air-traffic controller observes two aircraft on his radar screen. The first is at altitude 750 m, horizontal distance 19.8 km, and 22.5° south of west. The second aircraft is at altitude 1000 m, horizontal distance 18.0 km, and 18.0° south of west.

    asked by Heather
  211. math

    the manager of a take out pizza parlor needs to hire pizza makers and cahiers for the evening shift. the total number of employees of both kinds can be at most 16, and the ratio of cashiers to pizza makers must be at least 3 to 5. Also, each pizza maker

    asked by summer
  212. Math

    What is the value of the expression 7(3x18-10) A.53 B.168 C.186 D.308 D?

    asked by Derrick
  213. geometry

    I really need help on this question: Determine whether each conjecture is true or false.Give a counterexample for any false conjecture. Given:Wx=XY Conjecture:W,X,Y are collinear. PlEASE HELP!!!

    asked by Rick
  214. Math

    i don't get it, i have got homework to create a venn diagram of natural and whole numbers aren't they both the same thing? how do i make a venn diagram for that??

    asked by DemiDL
  215. math

    if kevin walk two third of a mile in two fifths of a hour how many miles in one hour can he walk

    asked by jasmine
  216. geometry

    Determine whether each conjecture is true or false.Give a counter example for any false conjecture. Given:Angle 1 and angle 2 are not complementary.angle 2 and angle 3 are complementary. Conjecture:angle1=angle3

    asked by Ian
  217. math - algebra 1

    have 5 problems they are simplifying and write standard form #1 (5c-9)(5c+1)

    asked by Bo
  218. geometry

    Do the following playing cards have symmetry: 4 of Spades; 9 of Clubs; 7 of Diamonds; 5 of Hearts? If so, explain the type of symmetry.

    asked by Sylvia
  219. Math

    What is the value of the expression below? (3+2)x5-6(6/2) A.10 B.22 C.12 D.20 B?

    asked by Derrick
  220. Geometry-area

    When a teacher ask you to find the area of a circle in terms of "pi" what does she mean? Ex: diameter= 16 ft. would it be 16 'pi'??

    asked by IB student
  221. math

    Ayan created these clues to discribe her numbers.She used each of the 10 digits 0to 9 once to make the two numbers. It is between 52000 and 2000. there is a 2 in the tenth place. the sum of the digits is 23

    asked by alban
  222. science

    An asteroid in an elliptical orbit about the sun travels at 2.0 106 m/s at perihelion (the point of closest approach) at a distance of 3.8 108 km from the sun. How fast is it traveling at aphelion (the most distant point), which is 8.3 108 km from the sun?

    asked by Anonymous
  223. English

    What does this question mean? what do you perceive in your academic strength

    asked by Amy
  224. Chemistry(Please check)

    Classify the following as ether, ketone, ester, amide, etc. 1) CH3CH2CNH2 !! O The !! represents a double bond and it is below the CN I think this is an amide. 2) CH3COCH3 !! O The doube bond is below the CO I think this is an ester. 3) CH3CCH3 !! O The

    asked by Hannah
  225. Physical Science

    A fishtank with inside dimensions of 50 cm X 25 cm X 30 cm is filled with water. What is the volume in cm3 of water required? What is the mass in grams of the water required? What is the mass in kilograms?

    asked by Kylea
  226. calculus help

    consider lim -->0^+ 1)sin(4x)/sin(3x) find the limit using a table of values 2)based on your answer what should the limit equal?

    asked by Kimberly
  227. curriculum development

    Language ability milestone for average young children include singing short rhymes or song at age____ and carrying on a conversation with other children or familiar grown-ups at age __. A 1;4 B.21/2;4 C.3;4 D.21/2;5 I chosed D

    asked by lisa
  228. math

    The midpoint of the linesegment from P1 to P2 is (-4, 1). If P1 equals (-4,6)what is P2? Any help would be great.

    asked by ladybug
  229. physics

    A particle travels between two parallel vertical walls separated by 11 m. It moves toward the opposing wall at a constant rate of 5.2 m/s. It hits the opposite wall at the same height. The acceleration of gravity is 9.8 m/s2. a) What will be its speed when

    asked by Jeff
  230. science

    Will you please check my answers? Substances or mixtures? 1. Carbon Dioxide = M 2.salt water =M 3. table salt = M Homogeneous or Heterogeneous Matter- 1. flat soda pop = Heterogeneous 2. aluminum foil = Homogeneous 3. black coffee = Homogeneous 4. beach

    asked by Reed
  231. Math

    i don't get it, i have got homework to create a venn diagram of natural and whole numbers aren't they both the same thing? how do i make a venn diagram for that?? it also says that what numbers belong outside the circle? 2. describe more accurate method of

    asked by Michelle White
  232. math

    how many tens are in 6,430?

    asked by Anonymous
  233. Physics

    A two-stage rocket is launched straight up from rest. It accelerates at 26.4 m/s/s for 3.92 seconds during the first stage. It accelerates at 12.3 m/s/s for 4.48 more seconds during the second stage. After second stage burnout the rocket comes under the

    asked by Ashley
  234. biology

    what is the mass in grams of 1.03 kg 1105g and 1075000mg

    asked by angie
  235. science

    Will you please check? Physical or chemical properties 1. bitter taste = physical taste 2. can neutralize a base= physical property 3. boiling point = physical property 4. reacts with a base to form water= physical 5. reacts with acid to form hydrogen =

    asked by Reed
  236. math

    what is the rule for the following: x = 1,2,3 y = 2,6,12

    asked by jess
  237. calculus

    Can someone please help me with these two? im so lost and i really appreciate it if someone could show me what to do! 1) To evaluate lim x→infinity sqrt (x^2 + 4) first consider that as x becomes infinitely large, x^2+4 -> _____ 2)Find lim x→ infinity

    asked by maura (urgent!!)
  238. science

    Will you please check a few more? Physical change, chemical change or both kinds of change? 1. Sodium hydroxide dissolves in water (both) 2. Hydrochloric acid reacts with sodium hydroxide to produce a salt, water and heat (chemical) 3. A pellet of sodium

    asked by Reed
  239. physical science

    cart rolling a a speed of 10m/s comes to a stop n 2 s. what is the car's acceleration?

    asked by michelle
  240. math

    Write a number which rounds to 66,000 when rounded to the nearest ten thousand

    asked by david
  241. math

    x is 1,2,3 y is 1,2,5, please help

    asked by jordanq
  242. Chem 1252

    Calculate the heat in Joules when 24.48 moles of H2O(l) are cooled from 55.0 degrees Celsius to 25.5 degrees Celsius.

    asked by Anonymous
  243. calculus

    Find the midpoint of the line segment joining the point P1 and P2. P1= (2,5) P2= (-5,6) The midpoint is ___ Type the order pair, use intergers and simplified fractions for any number in the expression. I need this help ASAP Please!!!

    asked by ladybug
  244. chemistry

    Classify the following: 1) CH3CN There is a triple bond between the C and N. I am really not sure what compound this is.

    asked by Hannah
  245. research

    why focus groups are not used for other purposes, like customer satisfaction research

    asked by Mommag
  246. Chemisty

    Classify the following: 1)CH3CHCH2COOH ! CH3 I think this is a carboxylic acid because of the COOH attached. Would you agree?

    asked by Hannah
  247. Math

    Lisa attended 72% of 32 school events. How many schol events did Lisa not attend? my answer is 8

    asked by Pam
  248. Chemistry

    Classify the following: 1) CH2 CH2 ! ! CH2

    asked by Hannah
  249. Math(Please help)

    Using the equation y=yo + (vo sin Q) t - 1/2gt^2 I have to find t. The values for y, yo and vo were given to me. So I set the equation up like this: 0=1.005 + (3.107 sin 0) t - 1/2(9.8)(t^2 The sin of 0 is 0 times 3.107 is 0. So 0 = 1.005 t - 4.9 t^2 Now I

    asked by Hannah
  250. Pre-Calculus Graphs expansions/compressions

    Need help with this question, don't get it. Given the relation x^2+3x=y^2-2y, what is the new relation if it has undergone: A. vertical expansion by 2 B. Horizontal expansion by 3 C. Vertical compression by 4/5 D. Horizontal compression by 1/5 E.

    asked by Shreya
  251. physics

    a typical automobile has a maximum deceleration of about 7m/s2, the typical reaction time to engage the brakes is 0.50s. A school board sets the speed limit in a school zone to meet the condition that all cars should be able to stop in a distance of 4 m.

    asked by amanda and leah
  252. Chem Lab

    Why should the temperature be kept 48C during distillation? is it because of the melting point?

    asked by Justin
  253. Chem 204 Lab

    Dr. S. N. Too ran the above reaction using 10.00 g of 1,5-pentanediol and 7.00 g of HCl. He obtained 9.23 g of 1,5-dichloropentane. What was his per cent yield? HO(CH2)5OH + 2 HCl --------> Cl(CH2)5Cl + 2 H2O

    asked by Justin
  254. science

    Please check these! Physical or Chemical properties? 1. solubility = physical 2. melting point = physical 3. reacts with water to form a gas = physical

    asked by Reed
  255. math

    Juan's class has 10 girls and 15 boys. the ratio fo girl to boys in Steven's class is the same as the ratio of girl to boys in Juan's class.How many girls are in Steven's class. Picture/diagram of my composed solution. We know that the ratio is 1:1.5 with

    asked by kyle
  256. English (Writing)

    My CMs look like facts to me. How do I convert the facts to opinions?

    asked by Anonymous
  257. english

    What's the full story of Don Quixote, Quixotic, tilting at windmills? I've googled it but have only found excerpts and small summaries. I need the details for an allusion card. Thanks much!

    asked by claire
  258. Algebra

    Algebra Question: A team wins 15 of their first 20 games. If they win only half the time from now on, how many games will they have to play in order to win 60% of their total games? I have it figured out manually, but cant get it in equation form.

    asked by Robert
  259. 7th Grade Lit

    When reflecting on audience and persuasion, what is the most important thing to consider? A) How the audience relates to the goal of persuasion B) The perjudices of the audience? Reinforcing existing atitudes, changing attitudes, and prompt actionhs are A)

    asked by completeidiot
  260. biology

    draw a graph of balloon diameter vs. temperature. what is the correlation?

    asked by Janny
  261. math

    the varsity football team gained 7 yards on one play and then lost 4 yards

    asked by Jenny
  262. PHYSICS

    A ping pong ball is rolling across a table at 2.1 cm/s. When the ball is 1.32 m away from the edge your little brother starts to blow on it. If the little doofus hopes to prevent the ball from falling off the edge, what minimum acceleration must be

    asked by sara
  263. PHYSICS

    When moving at highway speed, a Triumph America motorcycle is capable of accelerating at 2.1 m/s2. At this rate, how long does it take to accelerate from 103 km/h to 88 km/h?

    asked by sara
  264. math

    What expression is a counterexample to the statement The whole numbers are closed under division 2 divided by 10th 10 divided by 2 Please explain to me which one is the correct

    asked by jake
  265. chemistry

    if your smoke detector contains 0.10 mg of 241Am how long will it take to decay 1.25times10 to the second power

    asked by Guadalupe
  266. math

    the tempurature was 72 degrees at noon. at midnight a cold front moved in, dropping the tempoerature to 12 degrees. what is the answer please!

    asked by Jenny
  267. 7th Grade Lit

    What is the complement of: a) "The snake looks hungry." b) "The lizard seemed stunned." c) "Its skin is scaly." d) "Scales cover a snakes body." e) "John will feed Izzy." f) "We will photograph Mary." g) "It feels sticky." answers a) hungry b) stunned c)

    asked by completeidiot
  268. math

    (2.85*10^4)(3.67*10^6)= ? in scientific notation 3-4 digit answer required

    asked by waffles
  269. math

    the tempurature was 72 degrees at noon. at midnight a cold front moved in, dropping the tempoerature to 12 degrees. what is the answer please!

    asked by Jenny
  270. math

    the tempurature was 72 degrees at noon. at midnight a cold front moved in, dropping the tempoerature to 12 degrees. what is the answer please!

    asked by Jenny
  271. math

    Ms.sue may I just know the curtisy of why you help students on this website for years are you a retired algebra teacher

    asked by kevin
  272. Chemistry

    Use the MO model to predict the structure of ketene (H2CCO). Draw a Lewis structure of the molecule that shows the positions of the orbitals and the atoms in three-dimensional perspective.

    asked by Amy
  273. Physics

    A child is traveling 7 m/s on a sled when she passes her younger brother. Here avg acceleration is 2m/s2. How fast is she traveling shen she passes her older brother 6s later?

    asked by Anonymous
  274. Chemistry

    Use the MO model to predict the structure of ketene (H2CCO). Draw a Lewis structure of the molecule that shows the positions of the orbitals and the atoms in three-dimensional perspective.

    asked by Amy
  275. Chemistry

    Use an orbital interaction diagram to draw the molecular orbitals of H2+. Do you predict that this molecule will be stable? Explain your logic.

    asked by Amy
  276. physics

    A 5.21 box sits on a ramp that is inclined at 37.8 above the horizontal. The coefficient of kinetic friction between the box and the ramp is 0.29. What horizontal force is required to move the box up the incline with a constant acceleration of 4.00 ?

    asked by dan
  277. physics

    A small particle has charge -4.20 and mass 1.10×10−4 . It moves from point , where the electric potential is = 250 , to point , where the electric potential = 740 is greater than the potential at point . The electric force is the only force acting on

    asked by Anonymous
  278. chemistry

    Ethanethiol (CH3CH2SH, pKa=10.6) was named the smelliest substance in existence. Draw the equilibrium that forms when ethanethiol is added to a solution buffered at pH 9, and show the relative proportions of all organic species.

    asked by Amy
  279. Chemistry(Please check)

    What is the hybridization of each carbon in the molecule of ethanol. CH3 = sp3 CH2OH = sp3 I think that the carbons are all sp3 because there are only single bonds in this molecule. Is this correct?

    asked by Hannah
  280. physics

    When the Sun is directly overhead, a hawk dives toward the ground with a constant velocity of 5.20 m/s at 51.5° below the horizontal. Calculate the speed of her shadow on the level ground.

    asked by mmmmm
  281. writing

    who knows any 5th grade transition words?

    asked by jessica
  282. Physics

    A stone is thrown straight upward with a speed of 12 m/s from the edge of a 70 m high cliff. How long is the stone in the air? What is the speed just before it hits the ground? What is the total distance the stone traveled?

    asked by Katie
  283. math

    a hot air balloon leaves the ground to 170 feet. if it then climbs an additional 80 feet. How far above the ground is the balloon?

    asked by Kiki
  284. math

    (3.845*10^-4)(3.67*10^6) in scientific notation 3-4 digit answer required

    asked by waffles
  285. math

    Ms.sue may I just know the curtisy of why you help students on this website for years are you a retired algebra teacher

    asked by kevin
  286. Chemistry(Please check)

    Last question, I just want to make sure I understand the concept of hybridization. For carboxylic acid the hybridization is: CH3= sp3 because there are only single bonds COOH= Sp2 because the oxygen is double bonded to the C Is this correct? Thank you for

    asked by Hannah