Questions Asked on
January 8, 2013

  1. biology

    16. In one stage of it's life cycle, the slime mold flows like a(n) a. paramecium. b. euglena. c. diatom. d. amoeba.

    asked by Please&ThankYou
  2. Biology

    these are some of the questions that i couldn't find the answers in the book. :( 17.The relationship between a fungus and a green organism is an example of a. neighbors. b. mutualism. c. parasitism. d. saprophytes.

    asked by Please&ThankYou
  3. Biology

    28. Malaria is caused by a a. sporozoan. b. diatom. c. dinoflagellate. d. fungus.

    asked by Please&ThankYou
  4. Biology

    34. The _____ has a cell covering made of two parts. a. diatom b. dinoflagellate c. euglena

    asked by Please&ThankYou
  5. science

    shale gas is a conventional natural gas deposit

    asked by A
  6. math

    find the domain of composite function fog f(x)=x/x-4; g(x)= -1/x please show work

    asked by anonymous
  7. Biology

    12. A main difference between fungi and plants is that fungi a. have cell walls. b. produce spores. c. cannot make food. d. all of the above.

    asked by Please&ThankYou
  8. Geography

    The waters surrounding Japan and the nearby ocean currents help to make Japan's climate mostly what?

    asked by Chris
  9. science

    At what angle of incidence does refraction stop and reflection begin?

    asked by Cherie
  10. Sabian

    If air resistance offered to the motion of a projectile by the surrounding air is taken in account i,is time of flight increase or decrease?why? ii,hmax >> >> >> iii,the range >> >> >> iv,the striking angle >> >> >>

    asked by Tsedeke
  11. pre algebra

    Ellen buys 6 more paperbacks than hard covers. Paperbacks cost $8 each and hard covers cost $15 each. If Ellen spends a total of $117 on the books, how many of each type does she buy? Give a complete algebraic solution, using the distributive property.

    asked by beth
  12. Physics

    A 492g oscillator has a speed of 99.5cm/s when its displacement is 3.60cm and 72.5cm/s when its displacement is 5.10cm . What is the oscillator's maximum speed? (units cm/s)

    asked by Amy
  13. Math

    Prove 1+sec2x / tan2x = cotx

    asked by Blake
  14. math

    6(x+5)-y(x+5)

    asked by lorrie
  15. AP Physics

    Momentum One of those Civil War cannons is fired. The Cannon has a mass of 873kg It fires a 35.0kg cannon ball at a velocity of 145 m/s at an elevation angle of 35.0 degrees. The length of the barrel is 2.10m. (a) What is the recoil velocity of the

    asked by Daisy
  16. maths

    For an A.P. sum of 2n terms = 3* sum of n terms then sum of 3n terms : sum of n terms = ?

    asked by Anonymous
  17. Math

    Number Sense How can you use 4 x 7 to find 8 x 7? Find the product.

    asked by Katie
  18. Trigonometry

    Prove 1-cosx+sinx / 1+cosx+sinx =tan x/2

    asked by Riley
  19. Information Technology (2 Qs)

    1) Order the following components in order of their speed starting from the fastest, and ending with the slowest: CD, Random Access Memory (RAM), Tape, Cache. 2) A computer system may have an extremely fast process, and extremely fast memory, yet the

    asked by nutz
  20. English-Native speakers

    Can someone please make this sentence more "English"? THE ROLE OF ILLUSTRATIONS IN CHILDREN'S BOOKS WRITTEN BY GERMAN WRITERS AND RELEASED AFTER 1950. This is supposed to be the title

    asked by mark
  21. math

    4y x 4y

    asked by Anonymous
  22. math

    solve the equation. log2(x+4)-log4x=2 please show work

    asked by anonymous
  23. math

    find functions of f and g so that fog = H h(x)=(3x+2)^6 please show work

    asked by anonymous
  24. trig

    how to solve for the value of sine and cosine function of 0,90,180 and 270 degrees?

    asked by au
  25. trig

    use pythagorean theorem to solve for the value of x and y of a 60-60-60 degrees.

    asked by au
  26. trig

    solve for the value of sine and cosine function of 60 degrees.

    asked by au
  27. trig

    solve for the value of sine and cosine function of 60 degrees.

    asked by au
  28. math

    describe the solutions of 4

    asked by es
  29. chem

    Balance the following equation by entering the correct coefficients. NaHCO3 --> Na2CO3 + H2O + CO2

    asked by will.i.am
  30. Math

    5. Julian read 55 pages of a book in 2 days. At this rate, how many pages can he read in 7 days?

    asked by Sumare
  31. Calc

    A rock is thrown upwards (vertically) from the ground with an initial velocity of 40 feet per second. If acceleration due to gravity is -10 feet per second squared, how high will the rock go?

    asked by Joe
  32. chemistry

    balance H2SO4 + NaOH --> H2O + Na2SO4

    asked by will.i.am
  33. science

    When scientists use one of their five senses to gather information, they are?

    asked by tyler
  34. arithmetic progression

    If sum of first 21 terms of an arithmetic progression is 13 and that of first 13 terms is 21, show that sum of first 34 terms is -34 ?

    asked by Bishnu
  35. American democracy

    what is the congressional lawmaking process biased toward

    asked by donna
  36. Algebra 2

    Solve by completing the square 3x(sqaured) - 8x - 6 = 0. Is it 4 - the square root of 34 / 3 and 4 + the square root of 34 / 3?

    asked by Lily
  37. maths

    A monkey ascends a greased pole 30 m. high. He ascends 3 m. in Ist minute and descends 1m. in the next minute, again ascends 3m. in 3rd minute, but descends 1m. in 4th min and so on. In what time he reached the top?

    asked by Anonymous
  38. algebra

    Archers need to use arrows that do not bend easily. The table shows how the weight of an arrow affects its spine or the distance the center of the arrow bends when a certain constant weight is attached. Graph the data in the table to find a linear and

    asked by lee
  39. maths

    A and B together can do a piece of work in 12 days; B and C together can do it in 15 days. If A is twice as good a workman as C, in how many days A alone will do the same work

    asked by Anonymous
  40. Will somebody help me please?

    1. Diarrhea can be caused by a change in diet and different minerals in the water. True False 2. Fusion produces less radioactivity than fission. True False 3. Wise travelers eat only cooked vegetables in underdeveloped areas. True False 4. The kilogram is

    asked by Morgan Stevenson
  41. Art

    "What is Goya's style of painting? Is he part of a larger art movement?"

    asked by RainbowDragon
  42. art

    this is one photographic process used in the mid-1800s

    asked by pistol
  43. math

    100 raffle tickets are sold for $3 with one grand prize of $200. Julie purchased one ticket. What is her expectation? What is the fair value of a ticket?

    asked by tony
  44. General Question

    How do I remove an old question I asked from this site? I need it to be removed because of privacy issues.

    asked by Anonymous
  45. chemistry

    balance H2SO4 + NaOH --> H2O + Na2SO4 so i know you need 2 Na on each side but then I cant figure out the #'s for O or H

    asked by will.i.am
  46. chemistry

    so I don't expect you to answer all of these I just don't understand how they work so if someone could just explain one or two so I can do the rest that would be helpful! Thanks! Use the activity series to predict whether the following reaction will occur.

    asked by will.i.am
  47. world history

    25. In 49 B.C., Julius Caesar began a civil war by a. crossing the Alps with troops and elephants. b. adopting the Julian calendar. c. leading his troops across the Rubicon River. d. driving Pompey out of Italy.

    asked by Please&ThankYou
  48. world history

    23. By the A.D. 200s, the jus gentium became unnecessary because a. most free males ion the provinces had been made citizens of Rome. b. Marcus Aurelius had rescinded the jus civile. c. Hadrian had strengthened Rome's fortifications. d. provincial

    asked by Please&ThankYou
  49. Physics,

    A block of mass 0.25 kg is connected to a spring with spring constant 35 N/m. The block is oscillating on a frictionless horizontal surface. Its speed as it passes through its equilibrium position is 1.04 m/s. What's the total energy of the system?

    asked by Oly
  50. FIN 370

    What is the future value of $1000 in an account for 9 years compounded bi monthly at 14%

    asked by Ashley
  51. Physics

    A 0.46 kg mass oscillates in simple harmonic motion on a spring that has a spring constant of 2080 N/m. The spring was initially compressed 9.4 cm (a negative displacement) at t = 0 s. What's the velocity in m/s of the mass at t = 0.24 s?

    asked by Crash
  52. math

    (parent). My son's problem says "the product of a number and 17"...supposed to write as expression... I'm thinking it would be a 17x=y but he's adamant that because the word "and" is in the sentence that he needs to add something as well.... (no math books

    asked by Kelly
  53. world history

    18. Diocletian issued the Edict of Prices in an attempt to a. raise wages among the Roman poor. b. encourage farmers to leave provincial farms. c. control severe inflation. d. please the merchant class.

    asked by Please&ThankYou
  54. world history

    16. After the death of Theodosius, the eastern part of the Roman Empire became known as the a. Ottoman Empire. b. Byzantine Empire. c. Visigoth Empire. d. Christian Empire.

    asked by Please&ThankYou
  55. science, physics

    A block of mass 0.25 kg is connected to a spring with spring constant 35 N/m. The block is oscillating on a frictionless horizontal surface. Its speed as it passes through its equilibrium position is 1.04 m/s. What's the total energy of the system?

    asked by Chase
  56. MATH

    1/6 + x > 1/2 What does the value of X have to be, to make this sentence true?

    asked by KENZI
  57. world history

    1. The representatives of the plebeians were called a. consuls. b. senators. c. tribunes. d. praetors.

    asked by Please&ThankYou
  58. world history

    2. Christians stirred Roman opposition in all of the following ways EXCEPT by a. refusing to honor the emperor as a god. b. refusing to serve in the military. c. rejecting Roman belief in a messiah. d. regarding their religion as the only true faith.

    asked by Please&ThankYou
  59. cultural diversity

    which one of the following statements best expresses the strategy of semantic extension?

    asked by Anonymous
  60. statistics

    100 raffle tickets are sold for $3 with one grand prize of $200. Julie purchased one ticket. What is her expectation?

    asked by please help
  61. Math

    Bottom part of the greenhouse has a length of 350cm a width of 220cm and a height of 250cm. The angle at the peak of the roof measures 90 degrees. Sketch the frame and label it with its actual dimensions. How do I calculate the actual demensions?

    asked by Anonymous
  62. Physics, waves

    A string vibrates in its fundamental mode with a frequency of 200 Hz. The string is 0.64 m long and has a mass of 1.61 g. With what tension must the string be stretched?

    asked by Sav
  63. Physics, science

    A sonar generator on a ship produces periodic ultrasonic waves at a frequency of 2.2 MHz. The wavelength of the waves in seawater is 5.310-4 m. When the generator is directed downward, an echo is received 15.2 s later. How deep is the ocean in m?

    asked by Sav
  64. Social Studies

    3. Roman generals improved on Greek military tactics by employing a. the phalanx system. b. larger, more powerful divisions of troops. c. smaller, more mobile divisions of troops. d. a tolerant attitude toward deserters, which boosted morale.

    asked by Please&ThankYou
  65. Physics

    A 492g oscillator has a speed of 99.5 cm/s when its displacement is 3.60 cm and 72.5 cm/s when its displacement is 5.10 cm. What is the oscillator's maximum speed? I'm suck with this problem, can someone please go through it with me step by step, please

    asked by James
  66. Geography

    What is the capital of the landlocked country that borders Russia to the north and China to the south. Also, is this correct? Eastern Brazil has a higher elevation that western Brazil. Thanks!

    asked by Morgan
  67. chemistry

    Calculate the enthalpy of reaction for the combustion of ethene. Express the enthalpy of reaction calculated in question above as a molar enthalpy of reaction per mole of carbon dioxide.

    asked by shyanne
  68. Math

    I want to open a savings account that earns 1.6% simple interest yearly. I want to earn exactly $288 in interest after 3 years. How much money should I deposit?

    asked by Liz
  69. math

    In a candy bar, 165 calories are from sugar. There are 250 calories in the candy bar. What percent of the calories are from sugar?

    asked by Anonymous
  70. math

    What is the scale factor is a 8.9 m object appears as 6.5c, in a picture?

    asked by Anonymous
  71. rearrange this equation

    Rearrange to make f the subject, showing your work step by step: hf = hcT / b

    asked by AK
  72. world history

    42. During the Pax Romana, Romans did all of the following EXCEPT a. build the Colosseum and Circus Maximus. b. trade with places as distant as China and Britain. c. build a series of stone water channels called aqueducts. d. adopt a new calendar based on

    asked by Please&ThankYou
  73. chemistry

    How many grams of oxygen are needed to burn 22.8 grams of C8H18? 80.0 g 240. g 40.0 g 20.0 g 120. g

    asked by guest
  74. math

    A new law requires that 15 of an individual’s income be invested in the stock market. Your accounts show that you need to put $435 in the stock market this year. How much did you earn this year? (1 point) $2,955.00 $2,900.00 $2,905.00 $2,889.50

    asked by Anonymous
  75. math

    In a triangle, the measure of the second angle is twice the measure of the first angle. The third angle is equal to the sum of the other angles.

    asked by Anonymous
  76. science

    water in gas form is called

    asked by paula
  77. math-Tiling a room

    How much does it cost to tile a room that is 420 sqft if the tiles used are 1 foot on a side and cost $0.95?

    asked by tony
  78. Physics

    A lawn roller is pushed across a lawn by a force of 119 N along the direction of the handle, which is 22.5° above the horizontal. If 65.7 W of power is developed for 90.0 s, what distance is the roller pushed?

    asked by Anonymous
  79. chem

    You have two flasks of equal volume. Flask A contains H2 at 0°C and 1 atm pressure. Flask B contains CO2 gas at 0°C and 2 atm pressure. Compare these two gases with respect to each of the following mass of gas (Flask A:Flask B)

    asked by Samantha
  80. government

    How do the duties of the Lieutenant Governor compare to those of the vice president?

    asked by Ana
  81. MaTh HeLp Plz..

    In pascal's triangle, which row has the sum of 524288?

    asked by kazz
  82. spanish

    Write answer to the following questions. 1. Adonde te gusta ir de compras 2. Con que tipo dinero tienes que pagar en estados unidos 3. Con que tipo dinero tienes que pagar en europa 4. Por que llevamos gorros y chaquetad en invierno

    asked by sherianna
  83. mechanical science

    a c accelerates from rest in a straight line. after 12 seconds, it's velocity is measured as 42 m/s. use one of the linear equations of motion to calculate the car's acceleration

    asked by john
  84. chem

    Krypton gas is four times denser than neon gas at the same temperature and pressure. Which gas is predicted to effuse faster?

    asked by Samantha
  85. science

    why does the period of the pendulum decrease if the length of the pendulum decrease?

    asked by maya
  86. math

    Clovertown students attend school five days a week for thirty-six weeks. Each school day is six hours long. How many hours do students spend in school each year?

    asked by Anonymous
  87. math

    look at the numbers below describe the pattern 75, 74,72,69,65, what is the next two numbers in the pattern

    asked by faith
  88. algebra 2

    solve each system by substitution 1. y=xt1 2x+y=7 2. x=y-2 3x-y=6 3. y=2xt3 5x-y=-3

    asked by raul
  89. government

    Describe the different types of primaries.

    asked by Ana
  90. algebra 2

    solve each system by substitution 1. 6x-3y=-33 2xty=-1 2. 2x-y=7 3x-2y=10 3. 4x=8y 2x+5y=27

    asked by raul
  91. Pre-Cal.

    How does this go from x^2+ to 2i, explain.

    asked by phyllys
  92. Pre-Cal.

    use the complex zeros to give fully factored form, the first factor needs a x in it : (-3) (-2i)(x+2i)

    asked by phyllys
  93. Physics

    The New England Merchants Bank Building in Boston is 152 high. On windy days it sways with a frequency of 0.12 , and the acceleration of the top of the building can reach 2.5 of the free-fall acceleration, enough to cause discomfort for occupants. What is

    asked by Amy
  94. math for business and finance

    dick hercher borrowed $7,000 to travel to london. his loan is to be paid in 48 monthly installments of $190. at the end of 14 months, dick decides to pay off his loan. what is the final payoff dick will make?

    asked by barbara
  95. Math

    How do you solve -3y+2x=-12

    asked by ANONYMOUS
  96. algebra

    supose you bought eight oranges and one grapefruit for a total of $4.60. later day, you bought six oranges and three grapefruits for a total of $4.80. what is the price of each type of fruit?

    asked by alex
  97. algebra

    what is the parent function for y=x+4 and transformation?

    asked by raelynn
  98. science

    (a) Speculate about how the invention of the microscope might have helped doctors to understand what caused diseases.

    asked by jkdfo
  99. math (calculate speed)

    A swimmer of mass m is at a swimming pool. They climb the steps to the diving board 4.0 m above the water. They jump off the board, which enables them to rise a further 0.7 m before they begin their descent into the pool. At what speed do they enter the

    asked by AMT
  100. physical science

    Mike jogs east at a rate of 4 mph. The wind is blowing west at 1 mph. What is Mike's velocity?

    asked by alex
  101. Government

    List one of the unalienable rights.

    asked by Ana
  102. Math

    write 2x= -5y+11 in standard form

    asked by ANONYMOUS
  103. Government

    Who works on the federal budget?

    asked by Ana
  104. Government

    Explain the social contract theory.

    asked by Ana
  105. Math

    Rachel gave 1/4 of a pie to each of 5 friends. How many pies did she give to her friends in all? Write the mixed number. Ms. Fuller has 2 2/6 pies left over from her party. Write the number of pies left over as a fraction greater than 1. How do I arrive at

    asked by Nelson
  106. Government

    Explain progressive and regressive taxes.

    asked by Ana
  107. Government

    Identify checks and balances.

    asked by Ana
  108. Government

    What are the duties of congressional committees?

    asked by Ana
  109. social studies

    what is North Carolina largest port

    asked by isaiah
  110. math

    List order of numbers from least to greatest is the following correct? 1 3/7 1 2/4 1 8/14 1 3/4

    asked by b
  111. Math

    7) Use Pascal's Triangle to find the coefficients for (a + b)5 . I need help with this?

    asked by Amber
  112. science

    which would have a greater maximum kinetic energy, a long pendulum or short pendulum?

    asked by Anonymous
  113. math

    Lee forgot to study for her geography quiz, but she was not too worried because the quiz had only five true-false questions.Suppose she guessed all of the answers.What are the chances that she passed with four or five correct answers?

    asked by hamid
  114. Science

    Does anyone know a Commensalism of the Baltimore Checkerspot? If you do know, I need the answer ASAP. Please help. Thank you.

    asked by Anna
  115. algebra

    solve each system by substitution 1. 6x-3y=-33 2xty=-1 2. 2x-y=7 3x-2y=10 3. 4x=8y 2x+5y=27

    asked by alex
  116. math

    write three equivalent ratios to compare each of the following. 8 triangles to 12 circles

    asked by shion
  117. math

    write three equivalent ratios to compare each of the following. 20 pencils to 25 erasers

    asked by shion
  118. math

    3/4(8a-4b)-1/2(2a-b)

    asked by nothing
  119. Math

    I'm learning series and sequences (grade 11). Please check that my steps show I understand what I'm doing/the concept and my answer as well: 5. The consecutive terms of an arithmetic sequences are 3.6, y, 8.2. Find the value of y. This seems to be a

    asked by Crystal
  120. Science

    How many grams of oxygen gas would be needed to react with 75 grams of hydrogen gas

    asked by Tammy
  121. science

    how did the invention of the microscope help doctors to understand what caused diseases.

    asked by hannah
  122. Polynomials

    Let f(x) = ax^3 + bx^2 + 3x – 4. If f(x) is divided by (x – 2), the remainder is 2. When it is divided by (x – 1), the remainder is -2. Find a and b. (4 marks) Please help, I understand what to do when there's only 2 variables but not with 3. Thank

    asked by Anonymous
  123. math very urgent

    What is the area of a shape that that has 8 sides and has 1 , 1 , 8 , 1 , 1 , 3 , 3 and 10?

    asked by Anonymous
  124. algebra

    According to famous tv critic bube tube, Why Is Television Called Communications"Medium"?

    asked by calika hendricks
  125. chemistry

    a sample of 20.0 mL of 0.100 M HCN (Ka=6.2*10^-10) is titrated with 0.150 M NaOH. a) what volume of NaOH is used in this titration to reach the equivalence point? b) What is the molar concentration of CN- at the equivalence point? c) What is the pH of the

    asked by Anonymous
  126. math VERY URGENT+IMPORTANT

    What is the area of a shape that that has 8 sides and has 1 , 1 , 8 , 1 , 1 , 3 , 3 and 10 as the lengths of the 8 sides?

    asked by Anonymous
  127. geometry

    the endpoints of the diameter of circle O are (-2,-1) and (-16,13). what are the coordinates of its center?

    asked by megan
  128. english

    i'm required to write a 7 paragraph, 5 minute speech for my 8th grade lit comp class. the topic is "why my voice is important." but i can't think of any reason my voice is important. because it's not. i'm 14 years old! what say do i have in anything? none.

    asked by REPLY ASAP PLEASE
  129. chemistry

    How many atoms of carbon are in 325 g of tin (II) acetate?

    asked by anonymous
  130. MATH I HAVE ASKED TWICE ALREADY!!!!!!!!!

    What is the area of a shape that that has 8 sides and has 1 , 1 , 8 , 1 , 1 , 3 , 3 and 10 as the lengths of the 8 sides?

    asked by Anonymous
  131. Math-Syllogism valid?

    Some snakes are poisonous. A rattlesnake is a snake. Therefore: a rattlesnake is poisonous. Is syllogism valid or invalid?

    asked by tony
  132. 5th grade math

    please help solved the following fraction 11 13/15 + 3 7/12 = 14 3/4 + 7 + 5 7/8 = Thanks, Hannah

    asked by hannah
  133. math (algerba 1)

    2x2 + 16x + 32 how do I Factor and label? And how do I know if this is a tri square?

    asked by Ashley
  134. Chemistry

    PLEASE PLEASE HELP How do i find the Empirical formula of CuCl2.5H2O

    asked by Bobert Wells
  135. Science

    What are thease layers of earth made of? Crust Lower mantel outer core inner Core. and asthenospher and lithosphere

    asked by Ally
  136. math (algerba 1)

    Is 2x2 + 16x + 32 a tri square?

    asked by Ashley
  137. physics

    If A = 4 units north, B = 4 units east, and C = 6 units northeast (45o east of north), click on the figure to find A + B + C. Construct the figure.

    asked by joe
  138. Algebra 2/Trig

    I've done every other single question besides this one. (There was 12). I'm stumped and would really appreciate some help! I have to simplify this: 5/3sqrt(3-4) I am not sure if you have to conjugate the denominator and multiply it with the top and bottom,

    asked by Raelyn
  139. social studies

    how many kids did Nefertiti have?

    asked by majesty
  140. College English

    Describe how communication is a two-way process and explain why communication skills are paired.

    asked by Cindy
  141. Physics

    The sun has a mass of 1.99x10 30 kg the earth has a mass of 5.98x10 24 kg and is 1.496x10 11 m from the sun a) Calculate the force of gravity acting on the eaarth by the sun b) CAlculate the force of gravity acting on the sun by the earth

    asked by Isis
  142. math

    how can you use a right angle to decide how to name another angle?

    asked by megan
  143. Physics ASAP PLEASE

    A baseball is thrown at an angle of 40.0° above the horizontal. The horizontal component of the baseball’s initial velocity is 12.0 meters per second. What is the magnitude of the ball’s initial velocity?

    asked by Sunny
  144. Math

    If 241.5 grams of gold has a volume of 12.5 cubic centimeters, what is the density of gold?

    asked by Camma Breezy
  145. math

    don break a 4x7 array into a 2x7 array and another array. what is the fact for dons second array? write a number sentence that models the relationship of the 4x7 array to the other two arrays.

    asked by stacey
  146. math

    1. y=xt1 2x+y=7 2. x=y-2 3x-y=6 3. y=2xt3 5x-y=-3

    asked by alex
  147. Math

    Rewrite the number sentence with parentheses to make it correct.412=70x5+1-8. And 6x10-5=55

    asked by Zacko
  148. Science

    What is the idea that living things can come from nonliving sources called?

    asked by Lyric
  149. math

    solve each system by elimination x+y=10 x-y=2

    asked by alex
  150. Living things Science

    The factor that a scientist changes in a controlled experiment is the _____________ Please help :]

    asked by Lyric
  151. Math

    Sue Ellen bought 5 cans of soup for a total of $4.00. What is the unit price of a can of soup, in dollars per can?

    asked by Camma Breezy
  152. Math

    Jim Handy finds an irregularly shaped five-sided rock. He labels each side and toss the rock 100 times. The results of his tosses are shown in the table. Determine the empirical probability that rock will land on side 4 if tossed again. Side 1 2 3 4 5

    asked by Arleen
  153. PHYSICS HELP PLEASE!

    A baseball is thrown at an angle of 40.0° above the horizontal. The horizontal component of the baseball’s initial velocity is 12.0 meters per second. What is the magnitude of the ball’s initial velocity?

    asked by Sunny
  154. on being a person

    A key ingredient in the existential perspective is

    asked by Anonymous
  155. Math

    Alex has 7 dimes and 3 nickels. What fraction of the coins are dimes?

    asked by Emme
  156. Cosmology

    What observations were used by Edwin Hubble to show that the universe is expanding? - The distance to a galaxy is proportional to its luminosity. - The distance to a galaxy is inversely proportional to its apparent size. - The distance to a galaxy is

    asked by qwerty
  157. Math

    What is 7/5 into a mixed number

    asked by Rose
  158. Living things Science

    Organisms that make their own food are called ____________________________. :D

    asked by Lyric
  159. Cosmology

    How do we explore the large-scale structure of the Universe in the modern day? - Using large spectroscopic redshift surveys. - By accurately measuring positions of nearby galaxies. - By observing galaxies in the Local Supercluster. - By studying clusters

    asked by qwerty
  160. Math

    In his last track meet, Carl ran the 100-meter dash in 13.2 seconds. What was Carl's approximate rate of speed for tha race?

    asked by Camma Breezy
  161. Cosmology

    Most of the energy in the Universe today is... - contained in the motion of galaxies. - released through supernova explosions. - in the form of dark energy. - the energy of the CMB photons.

    asked by qwerty
  162. Cosmology

    Which of the following phenomena is NOT a consequence of Special Relativity? - Mass-energy curves space-time - Length contraction - Time dilation - Mass can not travel faster than the speed of light

    asked by qwerty
  163. Cosmology

    The equation describing the geometry and mass-energy distribution of a homogeneous and isotropic universe is known as: - The Einstein Equation - The Friedmann Equation - The Robertson-Walker Equation - The Hubble Equation

    asked by qwerty
  164. Math

    3gal=___qt 12? 32oz=___lb 2? 16pt=___qt 8? 6c=___pt 3? 44qt=___gal 11? 3gal=___pt 24? 2t=___oz 64000? 4c=__fl oz 32? 64 fl oz=___c 8? 5lb=___oz 80?

    asked by Jerald
  165. math

    10-2p+5p=p+4

    asked by mariah
  166. Cosmology

    The universe is homogeneous and isotropic on: - large scales (more than 100 Mpc) - neither small nor large scales - small scales (less than 100 Mpc) - both small and large scales

    asked by qwerty
  167. Cosmology

    The scale factor, R, describes how universal expansion changes with: - time - curvature - location - all of the above

    asked by qwerty
  168. Physics

    The New England Merchants Bank Building in Boston is 152 high. On windy days it sways with a frequency of 0.12 , and the acceleration of the top of the building can reach 2.5 of the free-fall acceleration, enough to cause discomfort for occupants. What is

    asked by James
  169. Cosmology

    Cosmological redshift is defined as R(t0)/R(te) = - 1+z - 1 / 1−z - 1−z - 1 / 1+z

    asked by qwerty
  170. Cosmology

    The solution of Olbers' Paradox is: - The universe is opaque at large scales - The universe expands - There is simply not enough starlight in the universe - Matter is clustered in such a way that the integral brightness converges

    asked by qwerty
  171. math

    name the property 32X4=(30X4)+(2X4)

    asked by Joe
  172. Cosmology

    A Megaparsec is: - The distance to the Andromeda galaxy - The distance from which 1 AU subtends an angle of 1 microarcsecond - The distance from which 1 AU subtends an angle of 1 arcsecond - The size of the observable universe

    asked by qwerty
  173. algerbra

    solve by substitution y=0.5x+2 -y=-2x+4

    asked by hernan
  174. algebra

    Is this mrs.. Berry

    asked by Lisa
  175. chem please help!

    Krypton gas is four times denser than neon gas at the same temperature and pressure. Which gas is predicted to effuse faster? i got neon which is correct but How much faster? how many times? i don't know how to get htis

    asked by Samantha
  176. math

    i need help with this riddle: i am not divisible by 2 or 3, and i am between the numbers 12 and 16. What number am i?

    asked by serenity
  177. MATH URGENT

    What distance would the skydiver fall during 7s of free fall ? Use the formula d= 4.9t^2, where in d is distance in meters and t is time in seconds. Pleeeeeeeeeese help me!!!!!!

    asked by SPIKE
  178. math

    you are building a deck. you make a scale drawing with a scale of 2 feet=1/2 inch. the actual deck is 18 feet long and 12 feet wide. Determine the length and width of the deck in the scale drawing.

    asked by Anonymous
  179. Math

    3gal=___pt 24? 2t=___oz 64000? 4c=__fl oz 32? 64 fl oz=___c 8? 5lb=___oz 80?

    asked by Jerald
  180. MATH URGENT

    Write the calculator key sequence you would use to evaluate each expression. Then evaluate. A.) (1-3)^4/4 B.) (-2)^0+4*17^0 C.) 16-9 (2^3)+(-4)^2 Thank you and I pleeeeese explain how to do this

    asked by SPIKE
  181. Math

    the weight of ab ag of potatoes 5 tons or 5 pounds 5 pounds? the amount of water in a sports bottle 15 fl oz or 4 pints? 16 fl oz? the weight of an apple 1/2 pound or 32 oz 1/2 pound?

    asked by Jerald
  182. math (calculate speed)

    A swimmer of mass m is at a swimming pool. They climb the steps to the diving board 4.0 m above the water. They jump off the board, which enables them to rise a further 0.7 m before they begin their descent into the pool. At what speed do they enter the

    asked by AMT
  183. Algebra

    One adults ticket to an amusement park costs d dollars. One child's ticket costs $19 less than twice the cost of an adults ticket. Write and simplify an expression for the cost of one child's ticket. If an adults ticket is $28, what is the cost of a

    asked by Jose.
  184. math

    I have been staring at this problem forever, and cant seem to dig it up in my book. Please help! Two competing bank are trying to attract customers. (a) Ally Bank has an account which earns 25% interest every 10 years. Assuming the interest is compounded

    asked by fawn
  185. MATH URGENT

    The prime factorization of 243 is 3*3*3*3*3. Write 243 as the product of two powers of 3 in as many ways as possible. Thank you

    asked by SPIKE
  186. QRB

    Complete the following two problems. Problem 1 The table shows the number of greeting cards that Americans buy for various occasions. Holiday/Event Cards Sold Valentine’s Day 900 million Mother’s Day 150 million Father’s Day 95 million Graduation 60

    asked by Hope
  187. MATH PLS HELp

    Write an equation for nth term in the sequence: -2, 5, -10, 17, -26

    asked by kazz
  188. Math

    33 fl oz=__c 4? 16qt=__gal 4? 3t=__lb 6000? 2gal=__pt 16?

    asked by Jerald
  189. geometry

    The coordinates for a rhombus are given as (2a, 0), (0, 2b), (–2a, 0), and (0, –2b). Write a plan to prove that the midpoints of the sides of a rhombus determine a rectangle using coordinate geometry. Be sure to include the formulas.

    asked by Anna
  190. physics

    A 4.75 mass was dropped from a certain height and achieved a maximum velocity of 7.68 m/s just before striking the ground. Determine the height from which the mass was dropped. Ignore air drag.

    asked by John
  191. Math

    2ft=__in 24? 18ft=__yd 6? 3520yd=___mi 2? 3yd=__in 108? 2mi=__ft 10560? Which is greater 2 1/4feet or 26 in? 2/4 Which is greater 3 1/3yd or 12 ft 12ft?

    asked by Jerald
  192. math

    Explain: how will you divide 0.12 by 8

    asked by esha
  193. math

    i need help im stuck on this question please help me heres the input 25 and the output is 15

    asked by ami
  194. Government

    Monetary policy differs from fiscal policy in that a. it has to be exercised by the legislature. b. the policy goals are very different. c. it is a slower process than fiscal policy. d. it is a faster process than fiscal policy. e. none of these answers

    asked by Maria
  195. Physics

    Car A is traveling at 18 m/s and car B at 25 m/s. Car A is 300m behind car B when the driver of Car A accelerates his car with an acceleration of 1.80m/s^2. How long does it take car A to overtake car B?

    asked by B
  196. math

    Write an equation for nth term in the sequence: -2, 5, -10, 17, -26

    asked by kazz
  197. English

    Word bank authorize culprit dawdle dissect expend fatality gullible illicit immerse inflammatory memorandum pathetic persevere prevaricate quash relish reminisce scour tribute writhe Our supervisor prepared a(n) ___ that reminded the salespeople of the

    asked by Jerald
  198. math

    Which of the following values is in the solution set of the inequality -8-7x>-6 a) 2 b) -2 c) -3 d) -1

    asked by bob
  199. math

    whats 4(2/3) im in 8th grade and i don't understand

    asked by diana martinez
  200. Chemistry

    An aqueous solution of HCl has a high electrical conductivity when compared to the compound in hexane, whilst the conductivity of a solution of the compound in diethyl ether has an intermediate value. Explain.

    asked by Matt
  201. Math

    What Are Five Ratio Survey Questions I Can Do On A Typical Family Of 6 ?

    asked by Nina
  202. biology

    do you know how much drops of dcpip is required to make .9 , .6 , 1.1 and .8 cm squared my partner and i frogot to write down the number of drops to make the dcpip volume

    asked by Anonymous
  203. math

    22. The graph shows the number of handbags that Mandy made in one day. What are the variables? Describe how the variables are related at various points on the graph. Mandy's Handbags

    asked by Anonymous
  204. english

    1. The students (study, studies) history. 1.studies

    asked by Hayden
  205. FUNCTIONS 11

    Write an equation for nth term in the sequence: -2, 5, -10, 17, -26

    asked by Help
  206. math

    i need to find out if this fraction is correct 8/16

    asked by d.d
  207. Math

    The probability of rain falling on the roof of Adam’s dorm on any given day is 0.15. The probability of rain falling on the lecture hall is 0.20. On days when rain strikes the dorm roof, it has a 0.90 probability of also striking the lecture hall roof.

    asked by Kristine
  208. calculus--please help!!

    Find the functions f&g so that fog =H H(x)=(3x+2)^6 please show work

    asked by anonymous
  209. Math

    What Are Five Ratio Survey Questions I Can Do On A Typical Family Of 6 ?

    asked by Nina
  210. Math

    4x - 5 ≤ 2(x - 7) x^3 - 5x^2 + 2x ≥ -8 2(x^3 - 2x^2 + 3) < x(x - 1)(x + 1)

    asked by Anonymous
  211. algebra

    Estimated product. 81,000

    asked by sharon
  212. Science

    What things in the environment where I live in Hollister, CA determine the local ecosystem?

    asked by Lisa
  213. Arbor

    a car is traveling at 50.0 km/h on a flat highway. a) if the coeffcient of kinetic friction between the road and the tires on a rainy day is 0.100, what is the minimum distance needed for the car to stop? b) What is th stopping distance when the surface is

    asked by Anonymous
  214. Math Sequence

    the nth term of a series is 9n-7. what is the result of subtracting the kth term from the (k+1)th term? (with solution pls, thnx)

    asked by HELP HELP MNHS
  215. math sequenc

    the nth term of the geometric progression is 3(2^n-1). how many terms are less than 200?

    asked by HELP HELP MNHS
  216. Math

    Mario is mixing paint for his walls. In a large container he mixes 1/6 gallon blue paint and 5/8 gallon green paint. Which fraction represents the total amount of paint Mario mixes?

    asked by Anonymous
  217. SOCIAL STUDIES URGENT!!

    Which of the following would NOT be considered an institution? (1 point) families sports clubs organized religion civilizations this is hard umm i believe it's civilizations am i correct~

    asked by Gabby
  218. Math

    The price of a jacket at store A is $48. If the price at store B is 5.5% higher, what is the price difference? What is the cost of the jacket at store B?

    asked by yolo
  219. Math

    Justin bought 4 pillows for a total of $31.96. What is the unit price for each pillow?

    asked by Camma Breezy
  220. science

    How would you find a mass of a rolling marble?

    asked by David
  221. trig

    Solve sin θ = -0.204 for 90º < θ < 270º. Give your answer to the nearest tenth of a degree. Honestly have no idea how to do this.

    asked by Matt
  222. science

    determine the molarity of the following solution 31 g MgF2 in 55ml H20

    asked by willie
  223. science

    what is the molarity of a solution of 232 g of NaCl in 2.1 of water?

    asked by willie
  224. science

    what is Molarity of a solution of 4 moles of NaCl in 2L of water?

    asked by willie
  225. science

    sodium flouride is soluble in water at the rate of 4.09g/100g of H20. how much will dissolve in 500g of water

    asked by willie
  226. pre-cal

    Three forces with magnitudxes 100, 50 and 80 lbs act on an object at angles of 50 degree, 160 degree and -20 degree respectively.

    asked by sarah
  227. calculus

    three forces with magnitudes 100, 50, and 80 lb act on an object at angles of 50 degree, 160 degree, and -20 degree respectively. ind the direction and magnitude o the resultant force.

    asked by sarah
  228. geometry

    Suppose the coordinate of p=2 and PQ=8 and PR=12. Whare are the possible mid point for line segment PQ? A.-2 &8 B. 2 & 6 C.-2 & 6 D.-2

    asked by Justin
  229. science

    determine the molarity of the following solution 31 g MgF2 in 55ml H20

    asked by willie
  230. SCIENCE -HELP!!

    How does the discovery of seafloor spreading help to explain the mechanism behind why plates move??

    asked by Bill
  231. Sicnece

    A skeleton equation is not a balanced equation.- Is this sometime true, never true or always true? Can't there be some skeleton equation that is already balanced, thus it sometime true? Thanks

    asked by Shadow
  232. INTEGERS

    Starting at home a salesman drove 20km east, then 9km north, then 4km east. finally, he drove x km south and at that point he was exactly 25 km away from his home. find x.

    asked by HELP HELP HELP MNHS