Questions Asked on
January 29, 2018

  1. Math

    An astronaut on the moon throws a baseball upward. The astronaut is 6 fee, 6 inches tall and the initial velocity of the ball is 30 feet per second. The height of the ball is approximated by the function s(t)= -2.7t^2 + 30t + 6.5 The ball will never reach

    asked by Ciara
  2. ELA

    which of the following elements should be included in an argumentative essay select all that apply a clear thesis statement opinions from various sources evidence and support to address counter arguments a clear orgenazation story telling elements cause

    asked by mr. e
  3. math (log)

    Express as a single logarithm 2log3 + 4log2 I'm confused as to how to do this, I keep getting the wrong answer. Thank you!

    asked by Laura
  4. Math

    The price of a gallon of unleaded gas was $2.86 yesterday. Today, the price fell to $2.81 . Find the percentage decrease. Round your answer to the nearest tenth of a percent.

    asked by Nayomi
  5. accounting

    a drug company has a monopoly on a new patented medicine. the product made in either of two plants the cost of production for the two plants are MC1=10+2Q1 and MC2=25+5*Q2. the firms estimate of demand for the product is p=2000-3(Q1+Q2). how much should

    asked by lety

    how did farming continue to be profitable for landowners even after the end of slavery a.landowners used former slaves to work for free. b.Landowners used child labor. c.landowners took advantage of sharecroppers d.landowners only allowed former slaves to

    asked by HELP ASAP
  7. science 6 class

    Explain how could use a spring,a ruler,some standard masses and some graph paper to find the weight of an unknown object.Explain how could use a spring,a ruler,some standard masses and some graph paper to find the weight of an unknown object.

    asked by Anonymous
  8. Calculus II

    Sketch the region enclosed by 2y=5x^(1/2), y=3, 2y+4x=9. Decide whether to integrate with respect to x or y, and then find the area of the region.

    asked by Natalie
  9. physics

    A 20 kg sphere is at the origin. A 10 kg sphere is at (x,y) = (-30cm,0cm) and a 30 kg sphere is at (0cm,40cm). Calculate the gravitational force on the 10 kg sphere, resulting from the other two spheres. Please help! Thanks

    asked by Amena.S
  10. Algebra 2

    The motion of a ball scooped by a field hockey player can be modeled by h= -16t + 40t, where t is the time in seconds and h is the height of the ball. Will the ball ever reach 22 feet? I don't understand how to solve this. Help?

    asked by huncho jack
  11. MATH

    15. Write a function rule that represents y is 5 less than the product of 4 and x. 16. Write a function rule that represents 7 less than three fifths of b is a. 17. Write a function rule that represents the almond extract a remaining in an 8 oz bottle

    asked by Please help
  12. ELA

    which of the following citations in a works cited page uses proper MLA style? A paul smith the night on the river New york penguin 1987 print. B the night on the river new york penguins 1987 print. C smith paul the night on the river new york penguins 1987

    asked by gregory
  13. Science

    Is it possible to have very little power but use a lot of energy? How?

    asked by Pedro
  14. Math

    Marcus divided his rectangle into five equal parts. He plans to color the rectangle red,white,blue,green and orange what is the area of the part of the rectangle he will color red?

    asked by Anita
  15. Math

    1:If the measure of

    asked by Help
  16. physics

    A boy jumps from rest, straight down from the top of a cliff. He falls halfway down to the water below in 0.993 s. How much time passes during his entire trip from the top down to the water? Ignore air resistance. Pls help and explain!

    asked by Amena
  17. Calculus 2

    Find the area bounded by the curves y=sin(4x) and y=0 for x between x=0 and x=3pi/8.

    asked by Natalie
  18. Social Studies

    In the text, you read this about the Progressive Era: Progressives like La Follette wanted voters to participate more directly in government. Since Andrew Jackson’s time, party leaders had picked candidates for local and state offices. Progressives

    asked by Khalessi
  19. physics help

    A sphere of unknown mass with a net charge, Q is released from rest in a uniform electric field, E. After it travels a distance,d , it acquires a kinetic energy, K . Find the magnitude of the electric field in terms of K,Q , and .d [Hint: remember the

    asked by anonymous
  20. MAth

    5a/3√x Rationalize the denominator

    asked by Ciara
  21. Science

    Electrical energy is required to decompose water into hydrogen and oxygen. True or False

    asked by Marcus
  22. Calculus help

    The function is continuous on the interval [10, 20] with some of its values given in the table above. Estimate the average value of the function with a Right Hand Sum Approximation, using the intervals between those given points. x 10 12 15 19 20 f(x) –2

    asked by Rich boi
  23. Geography

    What are the nine non-chines cities that zheng he visited on his expeditions? Would you include islands such as Ceylon, Sumatra, Java? Is Chittagong in China? Mombasa,Malindi, Jidda, Mogadishu, Aden, Hormuz, Calicut

    asked by Anonymous
  24. math

    Billions of dollars have been raised to help in the fight against malaria. The following table shows the value of some of the donations: What is the average of the values listed in the table?

    asked by Marcus
  25. English

    Identify how the underlined word in each sentence is used. 1:Aunt Nan took the (message) for Walter and her. A:direct object*** B:indirect object C:object of the preposition D:object of verbal 2:We joined Mark and (them)on the observation platform.

    asked by anonymous
  26. physics / electricity question

    A sphere with a mass m and a net charge Q is tied to a string and placed in a uniform electric field E. Once the sphere has come to equilibrium, the string makes an angle theta. Find the charge Q in terms of E, m, and theta. I am not sure how to combine

    asked by anonymous
  27. ELA plz halp

    If you paraphrase from a source without providing a citation this is known as______. A: copying B: plagiarizing C: evaluating D: summarizing

    asked by Darkdream
  28. Interpersonal comunication

    The average speaking rate is A. 140 words per minute. B. 160 words per minute. C. 120 words per minute. D. 100 words per minute. my answer is c.

    asked by Prisila
  29. math

    Raziya has 9 stamps that are each 3 cm long. Will all 9 stamps fit into a single row across a stamp album that is 24 cm across

    asked by subashini
  30. Math help again!

    Solve each system of inequality by graphing 17)y>-x+5 y

    asked by that emo girl!
  31. Chemistry

    Convert 4.39 × 10-3 m to the equivalent length in nanometers. please explain how to do it I have no idea where to start! Thank You

    asked by sarah
  32. Pre calc

    Use the Pythagorean indentities rather than reference triangles. Find tan θ and cot θ if sec θ=8/7 and sin θ

    asked by Bill


    asked by nigerian
  34. Math

    3,-9,27,-81,243 what is the rule for this sequence?

    asked by Hdhwbsbgdbah
  35. Maths

    A football pitch is 95m by 65m. A white line is marked out around the whole perimeter of the pitch. How long is the white line?

    asked by chris.k
  36. Math

    2x^2-x-28=0 Completing the square.

    asked by Ciara
  37. Language arts

    I am writing a poem for class, so is this good? Love It can be perfect, it can be cruel, but can be broken by a fool. How can something so craveable, be breakable? One word misheard, one look is all it took, to end love. Love, you thief, you criminal, you

    asked by Rylie
  38. Math

    I Can Multiply The Number Of_______In A Polygon By________To Find The Sum Of Its Interior Angles

    asked by Sarah
  39. Social Studies

    Which is not true of both city and county government in Georgia? a. both can collect taxes b. both can become municipalities*** c. both provide public health services d. both provide police and fire services

    asked by Anonymous
  40. Calc: Limits

    how to calculate the limit: *I got confused especially with the square root. 1. lim as x approaches 2 (squareroot x^2 +5)-3 / (x-2) 2. lim as θ (theta) approaches zero (tan^2 (5θ) / (sin (3θ) sin (2θ) )

    asked by A
  41. math

    how to find triangular numbers

    asked by john
  42. Chemistry

    how would ypu prepare 80.00mL of a 7.5% solution of MgSO4 7H2O using solid MgSO4 7H2O and water?

    asked by Cole
  43. Calculus help

    f(x) and g(x) are a differentiable function for all reals and h(x) = g[f(5x)]. The table below gives selected values for f(x), g(x), f '(x), and g '(x). Find the value of h'(1). x 1 2 3 4 5 6 f(x) 0 3 2 1 2 0 g(x) 1 3 2 6 5 0 f '(x) 3 2 1 4 0 2 g '(x) 1 5

    asked by Rich boi
  44. Algebra

    Select the answer choice that most accurately evaluates whose equation is correct. Tania is partially correct. The amount of money Thu makes, y, is equal to the product of the number of jars he sells and 12, but she is correct that the booth fee is not a

    asked by Mai
  45. Science

    Which of the following does NOT happen when vinegar and baking soda react? true or False?

    asked by Marcus
  46. Science

    If I want to do an experiment to find which route to class is faster (route 1 or route 2), what would be my control group and what would be my treatment group in the experiment?

    asked by Lori
  47. History

    The want concert, arising from the want of a general authority and from clashing and dissimilar views in the State, has hitherto frustrated every experiment..., and will continue to do so as long as the same obstacles to a uniformity of measures continues

    asked by anonymous
  48. math

    13/3 + 35/4 divided by 21/4 =

    asked by john
  49. Social studies

    What is a reason of the Missouri come first not have lasting effects? A: it only applied to the lands of the Louisiana purchase. B: it only applied to the land of the Mexican Cession. C: it relied on popular sovereignty D: it limited number of states that

    asked by Molly(:
  50. Physics

    From the standpoint of energy and power, what are the advantages for a car with high horsepower? What are the disadvantages?

    asked by Anon
  51. math

    (4/3 x 4/3) x (3/2 x 3/2) divided by 2 2/5 =

    asked by john
  52. Math/Science

    Reaction Time (ms) Cue Colour Green Red Bicolour (red only) 1 680 650 460 2 480 470 310 3 350 300 270 4 300 470 300 5 320 290 610 6 260 290 300 7 290 220 340 8 260 280 230 9 320 250 260 10 440 330 11 270 230 12 270 220 13 250 280 14 250 260 15 250 300 16

    asked by Mary
  53. 5th grade Math

    1. Stan brought candy for his friends that weighed 7/8 pounds. If he split it up equally among himself and 4 other friends, how much candy did they each eat? (7/8) /5 = (7/8)*(1/5) = 7/40 pound 2. Yesterday, Jill drank 6 gallons of water this week. If her

    asked by Jared
  54. Physics AP

    An object is moving in a circle with a radius of 1.44m. The object is rotating with period of .255 seconds. How many revolutions does the object make in 197.0 seconds?

    asked by Leah
  55. Science

    Is there anyone that has done the physical science b virtual momentum lab that can help me with it?

    asked by IWouldAlwaysOpenUpTheDoor
  56. Science

    A frog’s intestine absorbs toxins, such as venom in insects, along with nutrient s. The liver then filters these toxins out. Why is this filtering so important?

    asked by Evan
  57. Algebra

    The area of a rectangular floor is represented by 9x^2+15x square feet and the width of the floor is 3x feet. Which expression represents the length of the floor? a. 8x ft b(3x+5) ft c(3+5x) ft d(9x^2+12x)ft I don't know how to solve this. Help please!

    asked by softball lover

    What econmic effect did the GREAT WESTERN TRAIL have on the development of Texas? a. the trail encouraged many cattle drives b.the trail allowed for cattle to be sold in faraway markets. c.the trail influenced the sale of barbed wire. d. the trail helped

    asked by HELP ASAP

    Describe ways in which the reservation system was beneficial to settlers but harmful to the American Indians

    asked by HELP ASAP
  60. social studies

    What does NSWMA

    asked by ms suzie
  61. Chemistry

    What's the colour of NaAlO2 ?

    asked by Pakaya
  62. CHM 114

    Calculate the [MnO4-] concentration of the diluted sample when the sample is prepared in the following manner. Add 2 drops oxalic acid, 4 drops permanganate and 8 drops water. The original permanganate is 0.25M. Help!

    asked by Hannah
  63. Pre calc

    Perform the indicated operation and simplify the result Tanx(cotx-cscx)

    asked by Jacob
  64. Math

    Find the unit rate. In 10 months, 62.6 gallons were used. A. 0.16 gallon/month B. 10 gallons/month C. 6.3 gallons/month D. 626 gallons/month********************

    asked by I Dont Matter
  65. physics

    how do we hear our own voice even when we close our ears

    asked by DEE
  66. I love math science

    Label all the part of speech in the sentence

    asked by Wendy
  67. math's

    Three cubes each of volume 125 cm are joined end to end to form a cuboid. find the total surface area of cuboid.

    asked by Anonymous
  68. math's

    Three cubes each of volume 125 cm are joined end to end to form a cuboid. find the total surface area of cuboid.

    asked by Anonymous
  69. Math

    Two mountains are 1020 m and 1235 m high. Standing on the summit of the lower one I look up through an angle of elevation of 160 to see the summit of the higher one. Calculate the horizontal distance between the two mountains and the distance between the

    asked by Izzy
  70. Math

    -9p-17=10 -3 16 18** -16

    asked by Future Obama
  71. Math

    A right circular cone has a height of 9 cm. Its slant edge makes an angle of 230 with the central axis. Calculate the radius of the base.

    asked by Izzy
  72. Math

    A theatre has 11 rows of seats which have 1 to 10 series. Unmatched numbers have 15 seats and 16 seats have matched numbers . How many sets are there in theatre?

    asked by Bal
  73. science

    How do the secretions from the liver and pancreas interact with each other in the small intestine?

    asked by anonymous
  74. Math

    7% of what is 35

    asked by Help
  75. Algebra 2

    Factor 3x^2 + x - 4 Help?

    asked by huncho jack
  76. Geometry

    Find the missing angle in the figure 94° 109° 103° 113° x° A-242 B-301 C-116 D-59

    asked by Aidannn
  77. Pre calc

    Evaluate by using the Pythagorean identities Find sin θ and cos θ if tan θ=1/6 and sin θ >0

    asked by Bill
  78. Math

    There are 22 events at an indoor track and field meet.the ratio of track events to field is 8:3.hiw many of the events are track events?

    asked by Sofia
  79. Math

    -2v - 7 =-23 15 8 -8 -15** Please help I do not know how to do these!

    asked by Squib
  80. physics

    Over a time interval of 1.98 years, the velocity of a planet orbiting a distant star reverses direction, changing from +21.9 km/s to -17.2 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) during

    asked by Amena
  81. World History

    What was one of Maria Theresa's successes as an absolute monarch? A. uniting the German states** B. forcing Frederick out of Silesia C. strengthening royal power D. adding Hungary to the Hapsburg empire I said A please check my answer.

    asked by Anonymous
  82. Statistics

    H(o): u=10 H(o): u>10 (sigma)=2 n=25 In your research, you will fail to reject the null hypothesis if your sample average is less than 10.82 a) What is the probability of making a Type II Error if the true value of "u" is 10.26? b) What is the power of

    asked by Molly
  83. Cal 2

    Find the points of intersection of the graphs of the functions y=4x^2-25 and y=0. -5/2,5/2 Find the area bounded by the curves y=4x^2-25, y=0, x=-1, x=3.5. PS the area is not 54 I already tried.

    asked by Natalie
  84. History

    1:Which philosophers of the European Enlightenment influenced the founding documents of American government through their theory of a social contract? A:Michel de Montaigne and Denis Diderot B:Charles de Montesquieu and Mary Wollstonecraft C:Thomas Hobbes

    asked by anonymous
  85. Health

    2. Which main body system is responsible for breaking down food for energy?

    asked by Hippo
  86. dynamics

    A worker drops a wrench from the roof of a tall building 100m above the street and at the same instant shouts a warning to the people below. If sounds travels 340 m/s, how long after the warning is heard below does the wrench strike?

    asked by ryan
  87. NM History

    Based on your learning in this unit, what is one place that holds special significance for native american identity in new mexico? Give two reasons to justify your choice.

    asked by Bob
  88. Biology: Genetics test

    14. DNA replication occurs in the _________ of __________ cells. A: Nucleus : Eukaryotic

    asked by BemoGeno
  89. Math

    Write each addition vertically.Decide which new groups you will make,.Then,add to see if you were correct.256+273

    asked by Isha
  90. Math

    13 more than the product of m and 5

    asked by Nathan
  91. physics

    How much work in eV is required to bring three charges of 6.8x10-18C from a great distance apart to 5.04x10-9m from one another (at the corners of an equilateral triangle)?

    asked by sally
  92. physics

    How much work in eV is required to bring three charges of 5.4x10-19C from a great distance apart to 3.76x10-8m from one another (at the corners of an equilateral triangle)?

    asked by sally
  93. Math

    There was a surge in math club membership after the fun Halloween party. When the principal asked Mrs. Germain how many students were currently in the club, she replied, "Three times our number plus a third of our number plus a fourth of our number plus

    asked by Anonymous
  94. Can someone help me Math problem!!

    Determine whether the ordered pair is a solution of the linear inequality. 9)x5x-12;(-6,1) Can someone help me with these two question please!!?

    asked by that emo girl!
  95. Algebra 2

    Which describes the number and type of roots of the equation x^3 - 4x^2 + 50x + 7 = 0? a. 1 positive, 2 negative b. 2 positive, 1 negative c. 3 negative d. 3 positive How do I figure this out?

    asked by huncho jack
  96. Math please help

    There was a surge in math club membership after the fun Halloween party. When the principal asked Mrs. Germain how many students were currently in the club, she replied, "Three times our number plus a third of our number plus a fourth of our number plus

    asked by Anonymous
  97. Texas History

    Question #5: How did the buffalo soldiers effect the Texas frontier? A. They supported the reservation system. B. They fought the Comanche, who eventually surrendered. C. They fought the federal troops, who eventually surrendered. D. They developed new

    asked by Tommy J.
  98. music

    it is common for a Baroque piece of music to? A: Slow down and speed up B: remain constant in tempo **** C: limit the amount of chords used D: be performed mainly on brass instruments. I chose B as my answer could someone please tell me if I am even close

    asked by CJ
  99. Math

    Find the cost of a circular carpet whose diameter is 18.2m at rate of Rs.32m^2

    asked by Aaaa
  100. Interpersonal comuncation

    At a business convention, you observe two people in conversation. The one who's talking right now is standing erect, making strong but controlled hand gestures, and looking directly at the other person. The other person is standing on one leg, looking

    asked by Prisila
  101. spanish:check answers?

    Completa las oraciones con la mejor forma del verbo en el futuro o en el condicional según el sentido de la oración. 1. El portavoz del gobierno dice que los refugiados ___ listos para salir al mediodía. estaremos estaríamos estarían (this one?)

    asked by Anonymous
  102. englies

    Using a “Cuase-and-Effect Chain” explain why leaves change color and fall from the tree. Used details from the story.

    asked by Chris
  103. University Organic Chemistry

    Lab questions to Diels Alder butadiene experiment : Why do the anhydride groups of the maleic anhydride reactant help the Diels-Alder reaction go faster? Why does the diene need to be in the s-cis conformation to give the cyclic product? Why is it not

    asked by James
  104. Chemistry

    The equilibrium constant based on concentration is Kc = 190 for the reaction of carbon monoxide with hydrogen gas at 1000K. What can you infer about the relative rates of the forward and reverse reactions when the gases have the following concentrations at

    asked by SarahF275
  105. math

    (a) Tyler takes the 10 pieces that were left from each board after his father cut the 2.25-foot-long boards. He lays them end to end on the ground. • What is the total length of the 10 pieces? • Use words and numbers to explain how you found your

    asked by K.
  106. Interpersonal comunication

    An unwillingness to listen or agree can be communicated through A. chewing of the lips or nails. B. slumping. C. arms crossed over the chest. D. squinting. answer c.

    asked by Prisila
  107. Math

    Solve each system by graphing. Check your solution. 11) y=1/2 x + 7 y=3/2 x + 7 13) y=x - 4 y= - x Can someone help me understand help me figure it out these two question??

    asked by that emo girl!
  108. interpersonal comunication

    Using verbal and nonverbal cues to interpret a speaker's attitudes and emotions is often referred to as listening A. by intention. B. to intention. C. for intention. D. with intention.

    asked by Prisila
  109. math (trig)

    Given tan 0 = -5/12 determine the possible values of 0 to the nearest hundreth So what I did is find that tan-1(5/12) equals 0.35. Then because tan can be negative in quadrants 1 and 3 subtract 0.35 from pi and then from 2pi. So I got 2.79 and 5.933 I'm

    asked by Laura
  110. Chemistry

    please explain how to do it I have no idea where to start! Thank You If you burn 30.2 g of hydrogen and produce 2.70 × 102 g of water, how much oxygen reacted?

    asked by sarah
  111. Math

    what fraction would you use to find 66 2/3 of 72 mentally

    asked by Alec
  112. Math


    asked by Ciara