Questions Asked on
January 12, 2017

  1. Algebra 2 check my answer please?

    The population of a bacteria in a Petri dish doubles every 16 hours. The population of the bacteria is initially 500 organisms. How long will it take for the population of the bacteria to reach 800? Round your answer to the nearest tenth of an hour. 8.7 h

    asked by Anabel
  2. Graphing in the coordinate plane unit test

    SO behind need help pronto withGraphing in the coordinate plane unit test lesson 12 unit 7 tryed my self my mom tryed it brother u name it to hard for 7th grader and a striaght student like me no asking to cheat ms. Sue or whoever need answer ill be so

    asked by straight A student
  3. Science

    lesson 9: energy and the environment unit test science 8 A Unit 4: Energy and the environment Please HELPPPPPP!!!!!!!

    asked by Jake
  4. physics

    A simple U tube contains mrecury. When 13.6cm of water is poured in one arm caculate the rise of mercury in the other arm

    asked by favour
  5. connexus science

    This is for connexus academy unit 4 lesson 11 2.which of the following would result in the greatest reduction of waste A)composting food waste B)recycling glass plastic and metals*** C)reusing rubber leather and textile D)planting more trees in forest

    asked by dude
  6. algebra

    An inequality is shown below: −np − 3 ≥ 7(c − 4) Which of the following solves for n? n ≤ − the quantity 7 times c minus 31 all over p n ≤ − the quantity 7 times c minus 25 all over p---my choice n ≥ − the quantity 7 times c minus 31

    asked by katrina
  7. Chemistry

    I am having trouble on a chemistry question for my study guide I have researched it and can't get an answer I understand can someone please help me? Describe what happened when an Ag+ combined with Na2CO3. What does this indicate?

    asked by Sidney
  8. MATH

    I NEED HELP WITH MY LEAP MATH MIDTEST QUESTIONS STAT!

    asked by Nina
  9. PLEASE ANSWER! I NEED HELP

    Question: Suppose you have sunlight shining on two clear containers of water on a table. Light waves refract through one of the containers but diffract around the other container. Describe how the two containers are different. A link would be useful too,

    asked by Anonymous
  10. Geometry

    Find the distance CD rounded to the nearest tenth C =(10,-1) and D =(-6,3) CD = ?

    asked by Angela
  11. Maths

    Almaz Has Taken 2 Tests.Her Average Score Is 7 Out Of 10.The product Of Her Scores Is 45.What Did She Score In Each Test?

    asked by Mm
  12. Precalculus

    Every point in the plane has exactly two polar coordinates. A)The statement is true because every point in the plane has a unique polar representation. B)The statement is false because left parenthesis r comma theta right parenthesis equals left

    asked by Brian
  13. PLEASE ANSWER!!

    Predict: How resonance can cause earthquakes to do greater damage to some buildings than others. Analyze: If two astronauts were able to go on a space walk without wearing suits. Explain why they would not be able to talk to one another. Describe: How

    asked by Anonymous
  14. math

    tell me some one! a bike was originally 24000 the price was marked 15% what is the new price of the bike

    asked by dipper pines!!! big fan!!!
  15. math

    Suppose 10 deers are travelling together. if four of them are does and 3 are fawns What fraction represent the number of buck?write another equivalent fraction that represent this number. Does mean Female and Fawns mean Baby. BUCK mean Male

    asked by Amos
  16. math

    For what values of r does the function y = erx satisfy the differential equation y'' − 6y' + 3y = 0?

    asked by Sara
  17. Maths

    Almaz Has Taken2 Tests.Her Average Score Is 7 Out Of 10.The Product Of Her Score Is45. What Did She Score In Each Test?

    asked by Mm
  18. SS

    Which of the following to the Supreme Court rule in Plessy versus Ferguson a the segregation to continue B the actions of the Ku Klux Klan members would be protected as free-speech C the freedom African-Americans have the right to vote D the black codes

    asked by Hey ms.sur I need help
  19. math

    how much simple interest would you earn for 5 years at 7% with a beginning principal of $8,000.00

    asked by dipper pines!!! big fan!!!
  20. algebra

    Simplify using long division.Show all work. (-72-4x^2+8x^3-36x)/(x-3) Also,please solve (8b^3-6)/(2b-1) I greatly appreciate your help.

    asked by Jack
  21. Physical Science

    Question: Suppose you have sunlight shining on two clear containers of water on a table. Light waves refract through one of the containers but diffract around the other container. Describe how the two containers are different. (I have to write three lines,

    asked by Anonymous
  22. Physics

    pressure of a fluid. calculate the a.) absolute pressure b.) gauge pressure at an ocean depth of 1000m. Assume the density of a sea water is 1024 kg cubic meter and that the air above exerts a pressure of 101.3kPa

    asked by Gen
  23. algebra 2

    a survey of 20 colleges found that seniors graduated with an average $12000 in debt from student loans. The debt was normally distributed with a standard deviation of $3200. Find the probability that a senior graduated owing more than $16000.

    asked by dee
  24. Physical science

    two forces of 5N and 12N respectively act on the same point.show how you would determine the magnitude of the resultant by using the tail to head and tail to tail methods and Pythagoras theorem

    asked by Anonymous
  25. Mathematical measurement

    Find the ratio of the longest side to the perimeter of the​ right-triangular-shaped billboard. A scalene triangular billboard that says "Ski Whitetop" is designed to look like a snow-peaked mountain with a road leading up to the peak. The peak of the

    asked by Ralph Willis
  26. math unit 7 test

    Can the figure below tesselate a plane? Explain your answer. The shape is an arch (like a rainbow) Thanks! will fail math bc this problem why is this happening

    asked by straight A student
  27. physics

    What mass of ice at -14°C will be needed to cool 200cm³ of an orange drink(essentially water) from 25°C to 10°C?

    asked by ayo
  28. Chemistry

    0.001N NaoH calculate the ph

    asked by Rupesh
  29. Math

    Start at 5. Create a pattern that multiplies each number by 2. Stop when you have 4 numbers.

    asked by Jennifer
  30. Science

    In a chemical compound, would you expect an oxide ion to be joined with one atom of calcium or one atom of potassium? Why?

    asked by Bob
  31. Mathematics

    You use a line best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is .793. How confident can you be that your predicted value will be reasonably close to the actual value? A. I can't be

    asked by AnswerKing
  32. financial management

    Data for Barry Computer Company and its industry averages follow: A. Calculate the indicated ratios for Barry. B. Construct and extend DuPont evaluation for both Barry and the industry. C. Outline Barry’s strengths and weaknesses as revealed by your

    asked by mery
  33. Physical Science

    A step-up transformer has primary coil with 15 turns. How many turns would be required in the secondary coil to increase the voltage from 60 v to 160 v? 15 x=160/80 x=80/15 x=?

    asked by SAM
  34. Waves (8th Grade)

    Predict: How resonance can cause earthquakes to do greater damage to some buildings than others. Analyze: If two astronauts were able to go on a space walk without wearing suits. Explain why they would not be able to talk to one another. Describe: How

    asked by Anonymous
  35. Math

    Two long roads intersect at P at an angle of 53 degrees. Starting at P cyclist A rides for 16.2 km along one side .Cyclist B rides 18, 9 km to the other side. How far apart they are?

    asked by Diego
  36. Math

    Donnie completed 85% of his field goal attempts last season. If he attempted 60 field goals, how many did he make?

    asked by I just wanna know
  37. algebra 2

    A committee of 3 teachers and 3 students is to be formed to judge a contest. If there are 7 students and 5 teachers to choose from, how many different committees could be formed?

    asked by dee
  38. Chemistry

    What happens when equal volumes of 10^-5M of BaCl2 and 10^-5M of Na2SO4 are mixed at 25degree Celsius. Ksp of BaSO4=0.3×10^-10.

    asked by Barshali
  39. algebra

    It took Todd 11 hours to travel over pack ice from one town in the Arctic to another town 330 miles away. During the return journey, it took him 15 hours. Assume the pack ice was drifting at a constant rate, and that Todd’s snowmobile was traveling at a

    asked by myra
  40. C

    Pseudocode: Write a pseudocode to describe how to calculate the average of 10 numbers. Thank you.

    asked by James
  41. physics

    A car, starting from rest, accelerates in the +x direction as in the figure. It has a mass of 1.10 × 103 kg and maintains an acceleration of +4.40 m/s2 for 2.60 s. Assume that a single horizontal force (not shown) accelerates the vehicle. Determine the

    asked by Tyler
  42. math;););)

    Previously you found that a 15-degree counterclockwise rotationcenteredat(2,1)sendsthepoint(4,6)toanother point (x, y) ⇡ (2.638, 6.347). The diagram on the right shows the vector v in the same direction as vector [2,5], only with a di↵erent length.

    asked by anonymous
  43. ecnometrics

    The following regression equation is estimated as a production function for q based on a sample size of 30 observations In (Q)=1.37 + 0.632 in(Ki)+0.452 in(Li)+uhati (0.257) (0.219) R2=0.98 Cov(Bkhat,Bhat L)=0.055 And standard errors are in

    asked by tati
  44. Math

    Serge invests $700 at 5.75% per year, compounded quarterly. When the account is closed, its value will be $950. How long will Serge’s money be invested?

    asked by Peter
  45. math8

    solve the equation -9p-17=10 a.-3 b.16 c.18 d.-16 my answer; d

    asked by TokyoGhoul
  46. ecnometrics

    Searches related to Searches related to In a study of 100 firms,the total cost© was assumed to be dependent on the rate of output (X1) and the rate of absenteeism (X2).The means were: C=6 X1=3 X2=4.the matrix showing sums of squares and cross products

    asked by tati
  47. Social Studies

    which river flowing through Ukraine serves as an important route to the black sea?

    asked by Ali
  48. Math

    A recipe calls for 2.3 cup of sugar for every 2 teaspoon of vanilla. How much sugar should be used for every 1 teaspoon of vanilla?

    asked by Norazizah
  49. Math

    Last year Alex earned a monthly payment of $250 and Ben earned a monthly salary of $180. This year each of them received it increase of 25%. This year how much more did Alex earn in one month than Ben? I do not understand how to solve this please help!

    asked by Arin
  50. Math

    A notebook costs 4 times more than a pencil. The pencil is 30gh less than the note book . What is the price of the pencil

    asked by Tony
  51. Math

    Chris had a tin of 24 cookies. He has eaten 1/4 of the cookies. How many cookies has he eaten?

    asked by Alexa
  52. Linear Algebra

    Hello, could anyone help me with this excersise of linear algebra, Please? Well it's about linear transformation defined as T:V--W , the excersices give me a set of linearly independent vectors of V {v1,v2, v3... vk} and then asks : Are {W1, w2, w3,

    asked by Anthony
  53. English

    Can someone help me come up with the a central theme for sonnet 15? PLEASE and also help me find a modern version of sonnet 16 by Elizabeth B.

    asked by Kate
  54. math

    Let A = (0,0,0), B = (9,8,12), and C = (6,2,3). Find coordinates for the point on line AB that is closest to C.

    asked by anonymous
  55. Stoichiometry

    Determine the mass % (m/m) of a NaCl solution if 58.5 grams of NaCl was dissolved in 50 ml of water (assume the density of water to be 1.0 g/ml).

    asked by Sarah
  56. Grade 6, percentage

    There were a total of 840 guests at a wedding dinner.60% of them were adults while the rest were children.some boys left before the dessert was served.as a result,the percentage of adults increases to 70%.how many boys had left before the dessert was

    asked by Peachie
  57. Algebra

    the function of y= 0.81t^2 relates the time t in seconds, that it takes a problem of length y, in feet, to swing back and forth one time. about how long would it take a 3- ft pendulum to swing back and forth one time? round to the nearest tenth.

    asked by Althea
  58. Pampers

    A number is multiplied by 4 and 6 is subtracted from it . The result is the same as when the number is increased by 15. Find the number

    asked by Amara
  59. 8th Grade Language Arts

    Hi, I have to write an essay on a controversial topic. This is the topic: Should GPS devices be installed in phones and other electronics? I'm having some trouble finding websites based on this topic and it really interests me so I don't want to change it

    asked by Music Lover 14
  60. math

    Determine whether the function is symmetric with respect to the y-axis, symmetric with respect to the x-axis, symmetric with respect to the origin, or none of these. y = -6x3 + 7x

    asked by jeff
  61. Science

    What is the kinetic energy of a soccer ball which has a mass of 4 kg and is kicked at a velocity of 10 m/s?

    asked by Anonymous
  62. Pampers

    A number is multiplied by 4 and 6 is subtracted from it . The result is the same as when the number is increased by 15. Find the number

    asked by Amara
  63. Computing

    Pseudocode using a repeat-until loop to output the first five square numbers. Thank you.

    asked by James
  64. stats

    Suppose we had two families, where Family A included 5 children and Family B included only 1 child. If we randomly chose a child from the families, what is the probability that the child came from Family A?

    asked by wendy
  65. Grade 6, percentage

    80% of the members in a badminton club were male and the rest were female.after 450 members left the club,the number of male members was decreased by 25% and the number of female members was decreased by 50%.find the mumber of members in the badminton club

    asked by Peachie
  66. pre-algebra

    I am actually in 6th grade but I really want to learn more about pre algebra. I was given a task to solve the question of y=9x+3*7 and i don't get what to do. Should I graph? Or solve for y?

    asked by Kendrick
  67. Math

    Help me Bobpursley is dumb Serge invests $700 at 5.75% per year, compounded quarterly. When the account is closed, its value will be $950. How long will Serge’s money be invested?

    asked by Peter
  68. Math

    Kaya pasted 3 rows of photos on each of 5 pages of her scrapbook. She put 2 photos in each row. How many photos are in Kaya's scrapbook?

    asked by Anonymous
  69. Math

    Ryan has a collection of220 baseball cards.helets his bro have 1/4 of his collection & sells 20% of the coll to the baseball card shop. he takes 15 cards to school to give his fireds how many baseball cards remain in ryan coll? 1/4=55 to school=15

    asked by marilyn
  70. Engli

    How is the tragedy of a rich and powerful person different than that of a poor and powerless person?

    asked by Anonymous
  71. Math

    if I run the 400 meter dash in 14.5 seconds. What is my speed in meters per second

    asked by Anonymous
  72. physics

    A 64.2-kg skateboarder starts out with a speed of 2.21 m/s. He does 98.0 J of work on himself by pushing with his feet against the ground. In addition, friction does -276 J of work on him. In both cases, the forces doing the work are non-conservative. The

    asked by Tyler
  73. Math

    At a book fair; three books and two magazines cost $7. Two books and five magazines cost $6.50. Find the cost of a book and the cost of a magazine.

    asked by Jessica Lopez
  74. Science

    MRSA has evolved through natural selection, how? Thanks.

    asked by Maisie
  75. sdsdd

    box contains 100 bolts of which 9 are defective. Find the probability that a bolt chosen at random is not defective.

    asked by Anonymous
  76. math

    Which statement is true for all regular pyramids? A) the length of the altitude is equal to the length of the slant height*** B) all lateral faces are congruent isosceles triangles C) the base and the faces are similar polygons D) all edges are equal in

    asked by Not Tellin' Ya Ma Name
  77. maths

    Between wich two integers pi lies

    asked by phumelela gwicana
  78. math

    in probability math what instances in real life can i apply this lesson? enumerate and discuss three instances

    asked by value
  79. math

    A cake calls for 1/4 lb of butter. How much butter is needed to make 15 such cakes?

    asked by min
  80. MATH (7th Grade)

    -2.4/5 1/3 -2.4/5.333 =-0.45?????

    asked by marilyn
  81. History

    What is one way the legislative branch is kept from becoming to powerful? A. It is divided into two lawmaking bodies, a House and Senate, which check and balance one another.** B. It is unable to finalize any laws. C. Its members meet only twice a decade.

    asked by Billy
  82. Math

    Divide 294 metres of cloth into three lengths in the ratio 2:3:9. How many metres will the longest piece measure?

    asked by Kayla
  83. Physics

    You and another person go to the museum and decide to take a look at an exhibit that has a bike with an attached heating coil/generator. The coil is placed in a tank of water at 20 deg C. Peddling makes the coil increase the energy of the water. The goal

    asked by Anonymous
  84. physics

    a skateboarder with mass 75 kg is riding their skateboard of mass 8 kg at 1.5 m/s. If they decide to jump off sp that their body has no horizontal movement in the air before landing, how fast must the skateboard be moving after they separate

    asked by Anonymous
  85. Computing

    What is the importance of file standards when including external files on a website page. Thank you.

    asked by James
  86. Calculus

    If the position function in feet for a free-falling particle on Planet X is s(t)= -8t^2 +16 + 64, what is the velocity of the after 2 seconds in feet per second? A. -32 B. -16 C. 16 D. 64

    asked by hhhhh
  87. Algebra 2

    If numbers and letters can be repeated, how many different 6 - digit license plates can be made if the first two positions are letters and the last four are digits

    asked by jazzy
  88. physics

    A 45-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, her kinetic energy decreases to 210 J from 400 J. How high does she rise during this interval? Neglect air resistance.

    asked by Tyler
  89. Riddle

    Jane had 7 children, her mom gave birth to 7 children as well, Jane lost 7 her children but her mom kept 6. How many children does her mom have?

    asked by Arianna
  90. Science

    Pure cultures of safe (non-pathogenic) bacteria can be used for laboratory investigations. What cultures need to grow and to keep the culture pure what must you do? Thanks.

    asked by Maisie
  91. economics

    Searches related to Searches related to In a study of 100 firms,the total cost© was assumed to be dependent on the rate of output (X1) and the rate of absenteeism (X2).The means were: C=6 X1=3 X2=4.the matrix showing sums of squares and

    asked by tati
  92. math

    A rectangular garden is 6m by 8m.if you walk 3times around the garden how many meters will you have covered

    asked by jocelyn
  93. Science

    Fat reacting with sodium hydroxide Is this a chemical or physical change My answer is chemical is this right answer Chemical A originally is buoyant in water; after it mixed with HCI, the new substance now sinks in water. My answer is physical change. Is

    asked by PLEASE CHECK MY ANSWER!!!!!!
  94. Maths

    In a class of 36 pupils, 1/3 are girls, how many are boys?

    asked by Stanley
  95. maths

    a cylindrical tankfull of water is emptied by a pipe at the rate of 225ltrs

    asked by amit
  96. Math (7th Grade)

    two strips of fabric measure 14 3/4 and 20 7/8 in in length. To form one length, the strips are sewn together using 3/8 in from ea strip to make the seam. What is the final length of the fabric after the two strips are sewn together?

    asked by marilyn
  97. Math

    What is a number that is divided by 6 and by 7?

    asked by Silina
  98. Computing

    How do features of ide help to create machinable code?

    asked by James
  99. Math

    What is the slope of the tangent line to the graph at f(x)=x^2-5 at the point (2,-1)?

    asked by hhhhh
  100. 4th grade math

    Rhonda bakes p pies Mary bakes 3p pies If together they bake 20 pies, how many pies does Mary bake

    asked by Anonymous
  101. algebra

    Please show me how to simplify this expression and solve the equation: (v^2 + 6v+8)/(v^2 + v - 12) / (v+2)/(2v-6) Thank you very much.

    asked by Anneliese
  102. Calculus

    What is the derivative of k(x)=sin x cos x? A. -sin x cos x B. -2 sin x cos x C. 2 cos^2x-1 D. sin^2x - cos^2x

    asked by hhhhh
  103. Science

    What damage to the environment can the use of plant hormones cause? Thanks.

    asked by Ellen
  104. Science

    Some people prefer to use herbal medicines how will you know if they actually work? Thanks.

    asked by Ellen
  105. Calculus

    What is dy/dx when y=(x^2 - 4x ) ^3 ? A. 3(x^2 -4x)^2 B. (6x - 12) (x^2 -4x)^2 C. 3(2x - 4)^2 D. 6x^2(2x-4)^2

    asked by hhhhh
  106. Computing

    Pseudocode to describe how to get the information and output of a triangle. Thank you.

    asked by James
  107. Calculus

    What is the derivative of h(x)= 3x+2/x^2-5?

    asked by hhhhh
  108. ss

    how did ghengis khan establish his empire

    asked by diamone
  109. Math

    What is 4/7 in words?

    asked by Achie
  110. Math

    What is the equation of the line that passes through the points (−2, 1) and (1, 10)? 3x − y = −7----my answer 3x − y = −5 3x − y = 5 x + 3y = −5

    asked by katrina
  111. мαтн

    ιαи υѕєѕ 4 fєєт σf яιввσи тσ ωяαρ єα¢н ρα¢кαgє. нσω мαиу ρα¢кαgєѕ ¢αи нє ωяαρ ωιтн 5.6 уαя∂ѕ σf яιввσи?

    asked by αѕмα