Questions Asked on
January 15, 2013

  1. science

    Ozone layer formed

    asked by abdulwasay
  2. AP Calc

    For the function find the derivative of its inverse given a point on the original function: y = 3x+1 point (0,11) What am i supposed to do with the point?

    asked by Anon
  3. math

    Lin-Yee is helping to set up a health clinic in Inuvik by collecting and shipping medical supplies from Calgary. She has found these shipping rates online: • regular rate: $2.10/lb • ship 101 to 500 lb, get a 20% discount • ship over 500 lb, get a

    asked by alan
  4. Math

    Find the slope and y-intercept. 2y+4x=3(y-x)+8 Please explain the procedure!

    asked by Yoyoboy
  5. Chemistry - Biology

    Explain why glucose is improtant to humans ? Ans:Glucose is important to the body cecause it helps the reporduction of cells, coposition of proteins and nucleic acids foundin all cells. It helps growth and repairs tissues . Is that correct??

    asked by Maria
  6. maths

    if sinx=3/5,cosy=12/13,where x and y both lie in 2nd quadrant, find the value of sin(x+y),cos(x-y),tan(x+y)?

    asked by jeethu
  7. algebra 1

    A man drove 48 more miles an hour than the number of hours he drove. if he drove 208 miles in all, how many hours did he drive? What was his rate?

    asked by zamarra
  8. math

    Burj Khalifa is the world tallest building in Dubai at 828 m tall. The CN Tower in Toronto is 553 m tall. Sam wants to compare the Burj Khalifa and the CN Tower by creating rectangular prism models on a 10 cm by 10 cm square base. She has decided to

    asked by matthew
  9. math

    if part a of a square is one fourth and part c is one tenth then what is part b?

    asked by natalie
  10. finance

    Suppose that you are 25 years old and you have two options to save money for retirement. Plan A allows you to save $3000 per year for the next 20 years, then sit for 20 years and finally draw on it for the following 30 years. Plan B allows you to wait 20

    asked by Jessie
  11. MATH

    my tenths digit is 3 less than my hundredths digit. The difference between my tenths and hundredths digit is 5. The sum of my digits is 10. What number am I?

    asked by JAYDEN
  12. statistics

    Select the most appropriate study design for each of the following questions. (Note: All study design options may not be used and each design option can be used more than once. 1. A study is done to examine the association between a mother’s education

    asked by jhikjhak
  13. math

    find the equation of the planes 5x-3y+4=0 and x+y-2z+10=0 and which are 1 unit distance from the origin.?

    asked by manjula
  14. statistics

    1. Prospective Cohort Study The following tables show the crude and sex-specific results from a Prospective Cohort Study that examines the association between a binary exposure (E) and the development of a disease (D) during 20 years of follow-up. Full

    asked by jhikjhak
  15. statistics

    • Two-sample Non-parametric Test Now, we examine the relationship between cry time and group among infants at Northbay. 1. Suppose we wish to perform a two-sample test, but we do not want to make any normality (or other strong parametric) assumptions.

    asked by jhikjhak
  16. math

    show that the locus of a point whose distances from two given planes are in a constant ratio, is a plane.

    asked by manjula
  17. statistics

    • Linear Regression In the babies.dta full dataset, generate a covariate called painind defined as 1 if the infant experienced severe pain upon receiving the shot (pain0 = 7) and as 0 otherwise. In Stata, you can use the commands: generate painind = 0

    asked by jhikjhak
  18. analytical geometry

    if in a tetrahedron the sums of the squares of opposite sides are equal,show that its pairs of opposite sides are right angles

    asked by manjula
  19. analytical geometry

    if (l1,m1,n1),(l2,m2,n2),(l3,m3,n3) are the direction cosines of three mutual perpendicular lines,show that the line whose direction ratios area l1+l2+l3,m1+m2+m3,n1+n2+n3 make equal angles with them

    asked by manjula
  20. analytical geometry

    two edges PQ,RS of a tetrahedron PQRS are perpendicular,show that the distance between the mid-points of PS and QR is equal to the distance between the mid points of PR and QS

    asked by manjula
  21. GEOMETRY

    In circle O, the midpoint of GH is point O. AB = 4x - 2 and CD = 2x + 10. Find the value of x.

    asked by LA
  22. math

    Roses were planted 100 cm apart around a rectangular garden. There were no roses at the corners. They started 1 m from each corner. The garden was 5 m by 3 m. How many roses were planted?

    asked by sara
  23. trig

    Find the maximum and the minimum values of sinx + cosx and the smallest value of x which they have these values

    asked by Annicka
  24. political science

    Is politics a science or not? Give a reasons for answer

    asked by jean
  25. math

    a box with a square topside and a bottom....

    asked by gauri
  26. Maths

    Express each of the following in the form Rsin(x+a), where r>0 and 0< a

    asked by Annicka
  27. Finance

    Suppose that a company decides to make an annual gift to fund undergraduate scholarships. The first of these gifts will be given today and it is anticipated that the gifts will continue forever. The nominal discount rate is 8% and the rate of inflation is

    asked by Jessie
  28. chemistry

    figure 1 HO- ######## # # # # # # # # # # HO-# # # #-CH=CH-NH2 # # # ###### # # # ######## BENZENE RING what is the name of this compound or figure 1

    asked by Erika
  29. addition

    perform in indicated addition

    asked by william Hagans
  30. math

    A boat travels 8km upstream and back in 2 hours. If the current flows at a constant speed of 3km/h, Find the speed of the boat in still water.(when the boat goes upstream, it speed reduces by 3km/h, and when going downstream, its speed increases by 3 km/h)

    asked by zshen
  31. c-programming

    Write the following in numbers in normal decimal notation?

    asked by rafaeo
  32. math asap

    4(7+a)-3= 10+3(1+p)=

    asked by noahc
  33. math

    solve by using substitution: x=y+7 y-8=2x

    asked by Taylor
  34. math

    what is the acceleration when a body is ascending up a lift with a steady speed

    asked by ramon
  35. SCIENCE

    how do we derive the formula at=vf-vi if we will find acceleration? please have it step by step. Thank you

    asked by RANDY
  36. math

    solve with substitution: 4x+y=2 3y+2x=-1

    asked by Taylor
  37. math

    a ball is dropped from a height of 10 ft. if the ball's height after t sec is modeled by the following equation h(t)=-16t^2+10. when does the ball hit the ground?

    asked by sara
  38. Geometry

    The length of the rectangle is 4 more than twice its width and its perimeter is 70m. What are the dimensions of the rectangle?

    asked by Anonymous
  39. Calculus

    For the functions f and g find for f(x)=x^2, g(x)=x+1 a)f(g(1)) b)g(f(1)) c)f(g(x)) d)g(f(x)) e)f(t)g(t)

    asked by Mike
  40. Chemistry

    Rank the following atoms from highest to lowets energy: Ca, Be, Ba, C

    asked by Anonymous
  41. physics

    When an air capacitor with a capacitance of 400 (1 = ) is connected to a power supply, the energy stored in the capacitor is 2.05×10−5 . While the capacitor is kept connected to the power supply, a slab of dielectric is inserted that completely fills

    asked by Patty
  42. physics

    When an air capacitor with a capacitance of 400 (1 = ) is connected to a power supply, the energy stored in the capacitor is 2.05×10−5 . While the capacitor is kept connected to the power supply, a slab of dielectric is inserted that completely fills

    asked by Patty
  43. math

    determine which two intergers the following irrational number lie

    asked by kamo
  44. College Algebra

    I need some help with a few problems. They are multiple choice but need a breakdown on how I can work the problems. Thanks for your help! 1. Factor the trinomial completely. 10x^2 + 11x-6 a. (2x+3)(5x-2) b. (2x-3)(5x+2) c. (10x+3)(x-2) d. (2x+1)(5x-6) 2.

    asked by Kristen
  45. geometry

    The image of the point (1, -2) after a rotation of 180° about the origin is

    asked by jessie
  46. geometry

    The image of the point (1, -2) after a rotation of 180° about the origin is

    asked by jessie
  47. geometry

    The image of the point (1, -2) after a rotation of 180° about the origin is

    asked by jessie
  48. Math

    Two people are holding a box. One person exerts a force of 140 pounds at an angle of 65.5 degrees with the horizontal. The other person exerts a force of 115 pounds at an angle of 58.3 degrees with the horizontal. Find the net weight of the box.

    asked by Jane Smith
  49. algebra

    Solve the equation. Check your solution. 164=x-59

    asked by jenny
  50. math

    solve using substitution: 4x+9y=24 y=1/3x+2

    asked by Taylor
  51. Science

    What are the independent and dependent variables in the following----- The Effect of Magnet Status on the Perception of Autonomy Among Charge Nurses in a Skilled Nursing Facility as Compared to an Acute Care Facility?

    asked by Janna
  52. Chemistry

    A sealed flask contains 0.60 g of water at 28 degrees celcius. The vapor pressure of water at this temperature is 28.36 mmHg. What is the minimum volume of the flask in order that no liquid water be present in the flask? ---------------------------- I

    asked by Amy
  53. math

    solve using substitution: 4x+9y=24 y=1/3x+2

    asked by Taylor
  54. Heat and Molar Mass

    An aqueous solution containing 34.6 g of an unknown molecular nonelectrolyte compound in 142.0 g of water was found to have a freezing point of 1.2 degrees C. Calculate the molar mass. A sample of steam with a mass of 0.553 g and at a temperature of 100

    asked by Amy
  55. College Algebra

    I have a few more questions that I'm not understanding. Its multiple choice however I would appreciate a breakdown on how to solve. 1.Evaluate without a calculator, using the order of operations. -2^2+20-|8-20|-squareroot of 64 a. -36 b. 4 c. 28 d. -4

    asked by Krissy
  56. math

    solve using substitution: 4x+9y=24 y=1/3x+2

    asked by Taylor
  57. College Algebra

    I have a few more questions that I'm not understanding. Its multiple choice however I would appreciate a breakdown on how to solve. 4.Simplify the compound rational expression. Use either method. 1+(5/y-10)/y+(25/y-10) a. 1/y-5 b. 1/y+5 c. 6/y+25 d.

    asked by Krissy
  58. science

    do you think the efforts to improve air quality are worth the economic goals?

    asked by A
  59. Physics

    What force is needed to give a 0.25-kg arrow an acceleration of 196 m/s2? A. 0.25 N B. 49 N C. 196 N D. 748 N

    asked by Jacob
  60. science

    what is the magnification of an object 2cm tall when placed 10cm in front of a plane mirror?

    asked by christiana
  61. maths

    solve the linear equation: 3X2y-7=19,4y-y+27=4y-52=32.?

    asked by jonathan ahmadu
  62. Physics

    1. How does displacement change with time for a falling object? How might you describe the mathematical relationship between the distance and time of a falling object? Explain the answer using your data, graphs, and kinematic equations.

    asked by Isabella
  63. chemistry urgent urgent

    Discuss, in detail, the role played by DNA and RNA in genetic diseases. What are the breakthroughs, if any, in the treatment/management of genetic diseases?

    asked by zachary
  64. maths

    solve the linear equation: 3X2y-7=19,4y-y+27=4y-52=32.?

    asked by jonathan ahmadu
  65. Math

    Will you please check my answers? 1. Mary Stevens earns $6 an hour at her job and is entitled to time-and-a-half for overtime, and double time on holidays. Last week she worked 40 hours of regular time, 6 1/2 hours of overtime, and 8 hours of holiday time.

    asked by Anonymous
  66. physics

    A small ball is thrown vertically upwards with an initial velocity of 40m/s. Find:(1) its velocity after moving 3 seconds(2) the maximum heigh attained(3) the time to attain the maximum height(4)the total time taken for the ball to return to the ground

    asked by davido
  67. physics

    A small ball is thrown vertically upwards with an initial velocity of 40m/s. Find:(1) its velocity after moving 3 seconds(2) the maximum heigh attained(3) the time to attain the maximum height(4)the total time taken for the ball to return to the ground

    asked by davido
  68. Statistics (Please help me)

    For the following studies, identify the possible target population, elementary unit, sampling frame, sampled population and sampling unit. 1. A doctor wishes to study people working at a hotel in Makati afflicted with hypertension. 2. A researcher would

    asked by Cho
  69. English - Ms. Sue help

    I don't understand help 1. A person who translates speeches would have to know how to (1 point) draw pictures. use a microphone. speak many languages. 2. If a horse came barreling across the field, what was the horse doing? (1 point) leaping in the air

    asked by Randey
  70. Statistics

    3. The average weekly allowance of students last year at a private high school was Php 800.00 per week, based on an enrollment of 2000 students. The junior high school students who did not have this information interviewed 50 students and found their

    asked by Cho (Please help me)
  71. Physics

    1. How does displacement change with time for a falling object? How might you describe the mathematical relationship between the distance and time of a falling object?

    asked by Isabella
  72. maths-urgently needed

    A line through through the point (3,0) meet the variable line y=tx at right angle at the point P. Find in terms of t, the co-ordinates of P

    asked by Anonymous
  73. English3

    In “The Turtle” from The Grapes of Wrath, how does the stem of the wild oat seeds use the turtle to carry it to a place where it can grow?

    asked by Gary
  74. Physics

    A bat emits a sound whose frequency is 83.2 kHz. The speed of sound in air at 20.0 oC is 343 m/s. However, the air temperature is 40.5 oC, so the speed of sound is not 343 m/s. Assume that air behaves like an ideal gas, and find the wavelength of the

    asked by Orla
  75. Physics, help me!

    On a curved roadway of radius 100m, the suggested speed is 35mph(approximately 16m/s). What must the coefficient of friction be between a car's tires and the road for the car to safely negotiate the curve at the posted speed?

    asked by Bryan
  76. AP Chemistry

    a 6.33-Liter football is filled with air at 1.75 atm at 25.5 degrees Celcius. At the same temperature, the volume of the football is reduced to 2.35 Liters. What is the pressure of air in the ball?

    asked by Austin
  77. math

    Jo bought an item for 45¢, and paid with a $1.00 bill. How many different ways could she get her 55¢ change with combinations of only nickels, dimes and quarters?

    asked by ashly
  78. Lang Arts

    Hi. I need help with one question, and then I need someone to check my others. The first one is the one I need help with. Thank You. ________________________________________ 1. Which of the key reading skills for reading informational articles involves

    asked by Jman
  79. maths-urgently needed

    find the vector and the cartesian equation of the line passing through (1,2,3) and parallel to the planes x-y+2z=5 and 3x+y+z=6

    asked by Anonymous
  80. math

    What is 288 in exponential form?

    asked by Tebogo
  81. Help! Desperate, physics

    a 40 kg child slides down a frictionless playground slide from a height of 2.0m. What is her speed at the bottom of the slide? Would the answer to part A change if she jumped straight down instead of sliding? How would the answer to part A change if the

    asked by Jazzy
  82. College Algebra

    Last one for today! Again would appreciate a breakdown on how to get to a resolution. It is multiple choice. 1. Simplify the expression using the quotient to a power property. (3y^6/z^7)^3 a. 27y^9/z^7 b. 3y^9/z^10 c. 27y^18/z^7 d. 27y^18/z^21 2. Use a

    asked by Krissy
  83. chemistry

    Write the balanced equation of the reaction described below. Include the states (s, l, aq, g) for the reactants and products. When aqueous calcium chloride and sodium phosphate are mixed, solid calcium phosphate and acqueous sodium chloride are produced.

    asked by thad
  84. Math

    Sally dilivered 148 newspapers and received $0.03 per paper. What were her earnings?

    asked by Lyn
  85. Algebra 1

    (3 points) Frank invests $2,745 for 3 years at a rate of 3.5%. How much interest did Frank make? PLEASE HELP SOOOON!!!

    asked by Haylie
  86. Science

    2. Summer occurs on the hemisphere of Earth that is _____. turned away from the sun tilted toward the sun tilted away from the sun turned toward the sun 3. Earth has a(n) _____ and _____ magnetic pole, just as a bar magnet has opposite magnetic poles at

    asked by Jman
  87. maths-urgently needed

    find the vector and the cartesian equation of the line passing through (1,2,3) and parallel to the planes x-y+2z=5 and 3x+y+z=6

    asked by Anonymous
  88. chemistry?

    what mass of Al(NO3)3 is required to remove 155g of Ba(NO3)2?

    asked by Anonymous
  89. math

    bob can fill bucket in 25 seconds in the sink, sue can fill same bucket in 17 seconds with hose, how much longer will it take bob to fill 15 buckets

    asked by Jen
  90. Math

    Two shirts cost $12.50. How much will it cost to buy five of the shirts? Select all the pairs of ratios that form a proportion. Which are: 1/6,4/20 7/9,28/36 14/18,21/27 30/80,6/18. For which value of m is 4/16=m/24 a proportion? Solve the proportion.

    asked by Anonymous
  91. math

    A band poster that measures 90 cm by 40 cm is reduced by a scale factor of 1/6 so it can fit on a postcard. a) What are the dimensions of the postcard image? b) By what scale factor, to the nearest hundredth, was the area of the poster decreased in the

    asked by jenny
  92. Help me!, Physics

    A 60g piece of ice at an intial temperature that is unknown is placed into a glass of 250g of water sitting at room temperature when it is 80 degrees F in the room. The glass and ice come up thermal equilibrium at 4 degrees Celsius. What is the original

    asked by Jazzy
  93. Math

    I have 3 digits. My middle digit is 4, the first is 8 and the last 2. Who am I?

    asked by Noghto
  94. chem help

    i just don't know where to begin/how a) Write a balanced chemical equation for: potassium carbonate + magnesium chloride b) Write a balanced chemical equation for: sulfuric acid + calcium carbonate c) Write a balanced chemical equation for: sodium sulfate

    asked by thad
  95. physics

    a 57 g of copper is at 12 degrees celsius, if 1012 J of energy is added to the copper, what is the final temperature of the copper?

    asked by c
  96. physics

    the magnitude of the tongue produced by a 3.0n force applied to a door at a perpendicular distance of 0.25 m from the hinge

    asked by john
  97. Calculus

    In these complex exponential problems, solve for x: 1)e^(i*pi) + 2e^(i*pi/4)=? 2)3+3=3i*sqrt(3)=xe^(i*pi/3) MY attempt: I'm not really sure of what they are asking. For the 1st one I used the e^ix=cos(x)+i*sin(x) and got -1+sqrt(2) +sqrt(2)i 2) I solved

    asked by Lisa
  98. Social study's

    What is the name of the bay that is connected to the Atlantic Ocean by the Hudson strait?

    asked by Dominique Spolarich
  99. Chemistry

    for each of the following, give an answer with the correct number of significant figures: A. 400 times 185 b. 2.40 divided by 4 times 125 c. 0.825 times 3.6 times 5.1 d. 3.5 times 0.261 divided by 8.24 times 20.0

    asked by tara
  100. calculus

    Find parametric equations for the line that is perpendicular to the plane 2x-y+3z=7 and intersects the plane when x=1 and y=1.

    asked by Zac
  101. Geometry :)

    Use coordinate geometry to prove that the quadrilateral formed by connecting the midpoints of a kite is a rectangle. I have no Idea how to do this problem, so if anyone could help I would be very greatfull. :)

    asked by Bob
  102. Math

    What is the smallest of 3 consecutive positive integers if the product of the smaller two integers is 5 less than 5 times the largest integer? I can't remember how to start this.

    asked by Jennifer
  103. chem

    I2 + 5 Cl2 + 6 H2O 2 HIO3 + 10 HCl What is the reducing agent? In your answer give the element symbol and oxidation state.

    asked by simon
  104. Chemistry

    Why is the emperical formtlar of C3H6O2 multiplied by 2 when calculating?

    asked by Aliy
  105. Calculus

    Use a trig identity to combine two functions into one so you can solve for x. (The solution should be valid for any value of t). 3cos(t) + 3*sqrt(3)*sin(t)=6cos(t-x) I know that 6 cos(t-x) can be 6(cos(t)cosx(x)+sin(t)sin(x)) I don't know where to go from

    asked by Lisa
  106. math need help

    1. ÚQTR and ______ are complementary. ÚQTS ÚRTS ÚPTN ÚQT 2. ÚQTN and _____ are supplementary. ÚQTS ÚQTP ÚRTS ÚPTR 5. ÚPTN is adjacent to _____. ÚQTR ÚPTS ÚRTS ÚNTS

    asked by Jman
  107. maths

    a milkman has 3 containers of 3litres, 5litres and 8litres.the 8litre container is completely filled with milk.the milkman wants to measure 4litre milk.how can he do this with these 3 containers?

    asked by berton
  108. math

    Prove that: “In a parallelogram, the diagonals bisect each other” by using vectors

    asked by asi
  109. maths

    three men go to forest with some apples. At night one of them gets up and divide the apples in 3equal parts and one apple is leftwhich he gives to monkey. After some time 2nd of them gets up and divide the left apples in three equal parts. And again one

    asked by berton
  110. English 8R - help!!!!

    I'm reading this book "The Day of Courage: Little Rock Sotry" for my english assignment. The thing is that I'm can't take home the book. Is there a website that I can read it online. Thank You!!! :)

    asked by Laruen
  111. Statistics

    Prospective Cohort Study The following tables show the crude and sex-specific results from a Prospective Cohort Study that examines the association between a binary exposure (E) and the development of a disease (D) during 20 years of follow-up. Use these

    asked by netspirit
  112. math

    The world's tallest building is the Burj Khalifa in Dubai at 828 m tall. The CN Tower in Toronto is 553 m tall. Ryan wants to compare the Burj Khalifa and the CN Tower by creating rectangular prism models on a 10 cm by 10 cm square base. He has decided to

    asked by jenny
  113. English 11 B

    Langston Hughes Questions: 1. Why does Edward hand over his belongings? (1 point) A. He is afraid. B. He feels sorry for the men. C. He is in a hurry and thinks he will be able to get to his destination more quickly if he does as he is told. D. none of the

    asked by Tina
  114. math 209

    find the value of annuity for a 1=$3000, I=0.09, n= 25

    asked by james
  115. Final Temperature

    A sample of steam with a mass of 0.553 g and at a temperature of 100 degrees C condenses into an insulated container holding 4.25 g of water at 4.0 degrees C. Assuming that no heat is lost to the surroundings, what will be the final temperature of the

    asked by Amy
  116. Chemistry

    The water in a calorimeter raises five degrees (F). There was five mL of water to start with.

    asked by Nadir
  117. Health

    In a calorimeter, there's 5mL of water. The temperature rises by 5 degrees (F). How many calories are in the item put in the calorimeter?

    asked by Nadir
  118. math

    what is tell me rule it frist grade help please......

    asked by janiah
  119. Math

    Expand an simplfy. 3(x-6)(x+4)-(3x-5)^2 Is the answer -6x^2+24x-39

    asked by Sarah
  120. music

    Einstein on a Beach was a unique opera because it A. had a single violinist. B. was exclusively recitative. C. was written in Chinese. D. had no plot and very little singing. Is it C?

    asked by Bobby
  121. Math

    Simplify. Express answer with positive exponents -48x^8y^-3/ 12x^-4y^6 Is x^12\4y^9

    asked by Sarah
  122. math

    Rachel gave one fourth of a pie to five friends.How many pies did she give to her friends in all?Write the mixed number.

    asked by jhoon
  123. math

    a time capsule is in the shape of a cylinder with a hemisphere at each end. if the capsule is surrounded with a metal outer layer 4 cm thick as shown( there's a picture) then determine the volume of the metal outer layer. round your answer to the nearest

    asked by mary
  124. Math

    If I sale fifty tickets and kids tickets are three dollars and adults tickets are five dollars I got 180 dollars in total how many tickets both adults and kids have in all if I sold fifty tickets

    asked by Jada
  125. College Algebra

    I posed these one's before but added parenthesis which I think made it confusing as the actually questions do not have them. So, I'm reposting them without to see if it makes sense. If not I understand. 1. Compute as indicated. Write your answer in lowest

    asked by Kristen
  126. Chemistry

    What volume would be occupied at 0°C and 1 atm by 3 mol CO₂(g)? I just might need someone to help me work this out, I would greatly appreciate it! I don't understand this chemistry problem.

    asked by Sara
  127. physics

    The Amy Anhasier family began a vacation trip by driving 700 km west.Then the family drives 600km south,300 km east,and 400km,.Where willthe Amy end up in relation to their starting point?

    asked by Anonymous
  128. Chemistry

    Just having some trouble with this chemistry problem.. Thanks for help! Toxic carbon monoxide (CO) gas is produced when fossil fuels such as petroleum burn without enough oxygen. The CO can eventually be converted to CO2 in the atmosphere. Automobile

    asked by Sara
  129. MATH

    No one has answered my question!!!!! it's on math !

    asked by Anonymous
  130. phyiscs

    What is the spring constant of a spring that stretches 2.00 cm when a mass of 0.600 kg is suspended from it? Answer i know the answer is 295 n/m but im nto sure how they got to it,

    asked by v
  131. 9TH GRADE MATH

    IF C=2M+D THEN M=

    asked by KIM
  132. Math

    What is the decay rate in the function A(t)=0.8(0.65)^t

    asked by Alessia
  133. ANY LINKS FOR THIS ?? MATH

    Essential Math 7 - Unit Rates and Ratios of Fractions

    asked by tesj
  134. Social studies

    I need help!!!!! What did Egypt need from Nubia? And what did Nubia need from Egypt?

    asked by Gabby
  135. History

    identify two differences between enslaved Aftricans and indentured servants

    asked by Taylor
  136. math

    leon weighed a bag of pears. then he added 4 pounds of pears to the bag. after he took out of 5 pounds of pears, the bag weighed 3 pounds. how much did the bag weigh at the start

    asked by mythreyee
  137. math

    a wooden board is 3 yards 1 foot long . which show an equivalent length

    asked by tishana
  138. math

    a wooden board is 3 yards 1 foot long . which show an equivalent length

    asked by tishana
  139. hhhh

    The Danube flows from germany to the--

    asked by yhhhh
  140. science 8th grade

    write an advertisement that you could use to sell copies of Mendeleev's periodic table to chemists in 1869. Be sure to emphasize the benefits of the table to the chemical profession. Remember, the chemists have never seen such a table.

    asked by ali
  141. Proof math problem help? Please help if you can!

    Let AB be the diameter of a circle, and let point P be a point on AB. Let CD be a chord parallel to AB. Prove that PA^2 + PB^2 = PC^2 + PD^2 It can be solved using geometry methods (no trig). Anyway, I figured out that PA^2 +PB^2 = 2OP^2 + 2OB^2. However,

    asked by Knights
  142. geometry

    when two perpendicular lines intersect, do they form four congruent angles?

    asked by jessie
  143. math

    rocio finished 21 pages of a book in 3 days. monday she finished half of what she did on tuesday and wednesday she finished twice as much as she did on tuesday. how much did she read each day?

    asked by theresa
  144. geometry

    when two perpendicular lines intersect, do they form four congruent angles?

    asked by jessie
  145. Math

    A rug covers 1/4 of floor. The area of the rug is 10 ft.2. What is the area of the floor?

    asked by Maggie
  146. us history

    What issue needed to be settled before the smaller states agreed to the articles of confederation?. A:how to pay taxes B:ho to pay debts C;what to do with the western lands d:who got to vote

    asked by jj
  147. Science

    The total resistance of a series circuit is 500 ohm. What percentage of the total voltage appears across a 22 ohm resistor in the series circuit?

    asked by Treavonne
  148. trig

    An aircraft maintains a speed of 500 miles per hour in a southwestern direction. The velocity of the jet stream is constant 50 miles per hour from the west. Find the resultant vector, the speed, and actual direction of the aircraft.

    asked by Deb
  149. Chemistry

    What coeffients do you need for NaCL+Ca(OH)2=CaCl2+NaOH

    asked by Emilee
  150. algebra2

    What are the instructions for cubing a binomial? The problem is (x-1)^3

    asked by Lilly
  151. math

    valerie earns $25 a day plus $3 for each dog she washes. make a function table to show the relationship between the number of dogs she washed d and the total amount earned t in one day. write an equation to represent the situation.

    asked by summer
  152. math

    Brian cut an extra large round pizza into 12 pieces. Seven of the pieces were eaten. What angle measure of pizza is left?

    asked by amomouse
  153. MATH

    If a picture width is 4in wide 6in tall what would be the new height if the width is 1.5in?

    asked by Janir
  154. math(ASAP HELP)

    7. two paths diverge at a 48 degree angle. two mountain bike riders take separate routes at 8km/hr and 12 km /hr.how far apart are they after two hours? 8. Draw a diagram to solve this problem: Ajax is 10 km due west of Oshawa. Uxbridge is 18 km NW of

    asked by kelsey
  155. us history

    what did virginia and new york want to added to the constion is it billof rights

    asked by anonymous
  156. Biology

    1.Which of the following accurately describes the relationship between cyanobacteria and halophiles? A.Cyanobacteria are photosynthetic, which suggests they existed before halophiles. b.Halophiles can survive in extreme conditions, which suggests they are

    asked by Anne
  157. MATH

    What is the scale factor?

    asked by Janir
  158. algebra

    on a scatter plot how can you determine if driving speed and driving time show a positive, negative or no relationship?

    asked by sandy
  159. Economics

    In two or three paraghaphs,discuss how industrial growth in Texas has affected its natural resources

    asked by Martha
  160. Math

    What is the smallest of 3 consecutive positive integers if the product of the smaller two integers is 5 less than 5 times the largest integer? I can't remember how to start this.

    asked by Jennifer
  161. MATH HELPPPPPPP

    Noah and Brianna want to calculate the distance between their houses which are opposite sides of a water park. they mark a point, A, 150 m along the edge of the water park from brianna's house. the measure ÚNBA as 80‹and ÚBAN as 75‹.

    asked by kelsey
  162. math

    Sara needs help solving the problem 11x8. Which pattern can she use to help her find the product?

    asked by Shaun
  163. Math

    Huong reduced the size of a rectangle to a width of 1 inch. What is the new height if it was originally 18 inches tall and 6 inches wide?

    asked by Ally
  164. math

    82 over 100 in simplest form

    asked by rubie
  165. math-algebra 1

    At 8am, Minnie Mouse leaves home driving 35 mph. A half hour later Mickey Mouse drives 50 mph to catch up to her. If Mickey Mouse is delayed 15 minutes with a flat tire, at what time will he catch up to Minnie Mouse

    asked by courtney
  166. math

    input 0 output 18 input 1 output 21 input 2 output 24 input 3 out put 24 whats my rule

    asked by reed
  167. Chemistry

    1. Pentane gas (C5H12) combusts with oxygen gas (O2) to form water (H2O) and carbon dioxide (CO2). Write a balanced chemical equation for this reaction and explain the scientific principle (statement) that requires the balancing of an equation to make it

    asked by Tyler
  168. math VERY URGENT AND IMPORTANT

    Estimate the product of 1 9/10 and 15. Describe your method. Also,estimate the product of 3 7/8 and 25. Describe your method. Please answer and explain.

    asked by Anonymous
  169. us history

    which of the following is a power of the legislative power is it establish lower federal ourts

    asked by anonymous
  170. Pre Algebra

    What is the radius of a circle with the area of 4pi/9?

    asked by West M.
  171. child development

    heritability estimates are computed by comparing the IQ correlations of a)the same group of individuals at various points in time b)individuals from different ethnic and SES groups c)children of different ages d)twins and other relatives

    asked by giideon
  172. math. need help asap!!!!!

    What's 0.8, and 1.1 as mixed numbers. What's 1 1/2, and 1/5 as decimals? What's 0.09, 2.46, 3/5, and 99/100 as percents. Please help. Due tomorrow!!!

    asked by leslie
  173. math

    Consider the experiment of drawing two cards from a deck in which all picture cards have been removed and adding their values (with ace = 1). a. Describe the outcomes of this experiment. List the elements of the sample space. b. What is the probability of

    asked by jonsson
  174. math

    An airline tracks data on its flight arrivals. Over the past six months, 25 flights on one route arrived early, 150 arrived on time, 45 were late, and 30 were cancelled. a. What is the probability that a flight is early? On time? Late? Cancelled? b. Are

    asked by jonsson
  175. math

    2 over 5on a figure is shaded what percent is not shaded

    asked by nina
  176. GENERAL CHEMESTRY

    Analyze the properties of a sodium atom and a sodium ion. What are the differences in mass, stability, and reactivity that are caused due to the differences between the sodium atom and sodium ion?

    asked by ROSE
  177. trig proofs

    cotx+tanx=secx+cscx

    asked by katie
  178. child development

    which of the following statements about the Barley Scales of nfant development is correct?> a) it emphasize complex cognitive skills, such as infant memory and problem solving b)it's helpful fpr assessing the health and well-being of newborns c) it taps

    asked by giideon
  179. Math

    Jasmine is manufacturing engineer who is trying to find out if she can use a 12-inch by 12-inch sheet of cardboard and a 15-inch by 16-inch sheet of cardboard to make boxes with the same height and volume. In such a pair of boxes possible?

    asked by NiNa
  180. Math input and output

    Rule :5n + 2 Input,n 1 2 3 4 5 Process Output Input 1 Process 5(1)+2 Output 7 input 2 process 5(2)+2 Output 12 input 3.process 5(3)+2 output 17 input 4. Process 5(4)+2 output 22 input 5. process 5(5)+2 output 27

    asked by Jerald
  181. English

    In the following sentence is there a direct object or a predicate adjective? Sometimes I feel nervous before a game.

    asked by Emily
  182. math

    jeff bought 6 pairs of shoes and 4 jerseys for 560. Jersies cost 1/4 price of one pair of shoes. Find price of shoes and price of jersey

    asked by tyler
  183. college algebra

    (2x^3)^3/(-3x^5)^2

    asked by Wanda
  184. Math

    Find 2 consecutive positive intergers such of the first and the square of the second is 19

    asked by Kiki
  185. English

    Word box affluence arrears cascade cringe crotchety format immobile impassable innovation jovial manacle martial minimum nimble onset partition perishable retrieve sinister taut Sherlock Holmes detected in the wicked scheme the ____ hand of the evil

    asked by Jerald
  186. Math

    Find three consecutive intergers such that the product of the first and the second is two more than three times the third.

    asked by Kiki
  187. Math

    Find three consecutive intergers such that the product of the first and the second is two more than three times the third.

    asked by Kiki
  188. Math

    Find three consecutive intergers such that the product of the first and the second is two more than three times the third.

    asked by Kiki
  189. Math

    Find three consecutive intergers such that the product of the first and the second is two more than three times the third.

    asked by Kiki
  190. Math

    Find three consecutive intergers such that the product of the first and the second is two more than three times the third.

    asked by Kiki
  191. Algebra

    A box with a lid is to be cut out of a 12 inch by 24 inch sheet of thin cardboard by cutting out six x-inch squares and folding them. What are the dimensions to two decimal places of all possible boxes that will have a volume of 100 cubic inches?

    asked by Anna
  192. Math

    Find three consecutive intergers such that the product of the first and the second is two more than three times the third.

    asked by Kiki
  193. math VERY URGENT AND IMPORTANT

    Estimate the product of 3 7/8 and 25. Describe your method. Please answer and explain.

    asked by Anonymous
  194. Math

    Sally bought a sweater for $46.75 that originally cost $85.00. What was the percent of decrease from the original to the sale price?

    asked by Mateo
  195. English

    Word box affluence arrears cascade cringe crotchety format immobile impassable innovation jovial manacle martial minimum nimble onset partition perishable retrieve sinister taut The ____ mood of our cheerful little gathering changed abruptly to sorrow when

    asked by Jerald
  196. Outline

    When you make an outline format, do you make spaces in between each topic. For example: A.topic a.detail b.detail i.detail of a detail i.detail of a detail DOES A SPACE GO IN BETWEEN THESE TWO TOPICS? B.topic.......and so on.

    asked by Wendy HELP!!!
  197. Science

    A coach wants to find out the speed of the runners on a track team. Tell what simple equiptment the coach needs in order to do this and explain how it should be done. You need to know the time and distance in order to calculate speed. Think of some typical

    asked by Jerald
  198. math

    what is the number of tiles you would need to make a rectangle that 6 tiles wide

    asked by cheyenne
  199. math

    -(-4)-5=-1????? Or.......

    asked by Anonymous
  200. calculus

    Find the parametric equations for the line that contains the point (3,1,-4) and is parallel to the line r(t)=(1+2t)i+(-3-t)j+(5+5t)k

    asked by Zac
  201. Educational Assitant

    As an Educational Assistant you are leading a group converstation with 12 grade 4 students. They are having a discussion about the story that they have just read about a boy who has stolen a toy from a local corner store. The conversation has turned to the

    asked by Sally J Raphel
  202. math

    what is 9 1/5 minus 3/5?

    asked by Anonymous
  203. English

    Word box affluence arrears cascade cringe crotchety format immobile impassable innovation jovial manacle martial minimum nimble onset partition perishable retrieve sinister taut The feeling of ____ I had when I was paid lasted only until I had finished

    asked by Jerald
  204. physics

    A solid nonconducting sphere of radius 13 cm has a positive charge 9.8 × 10-8 C spread uniformly throughout its volume. The electric field at a point within the sphere at a radius 5.0 cm has a magnitude of

    asked by adam h.
  205. Math

    Please someone answer one of kiki's questions. I need serious help

    asked by Kiki
  206. math

    on a scale drawing, the scale is 1/2 inch = 2 feet. Find the dimensions of each room in the scale drawing if a room is 14 feet by 18 feet

    asked by phyllis murphy
  207. child development

    which factors seems to be most important for the development of make-believe play? a)Maturation of the frontal lobes and the cerebellum b)Children's readiness to engage in make-believe play and social experiences that promote t c)Development of perspective

    asked by gideon
  208. AP Physics B

    I have one our part question left that I just don't understand! Please help me!! Part 1 An 11.6 kg block of metal is suspended from a scale and immersed in water as in the figure. The dimensions of the block are 12.9 cm × 9.7 cm × 9.7 cm. The 12.9 cm

    asked by Taylor
  209. math

    what are two equivalent fractions for 10/13??

    asked by audrey
  210. AP Physics B

    A 1.2 kg rectangular air mattress is 2.1 m long, 0.46 m wide, and 0.09 m thick. If it has a mass of 1.2 kg , what additional mass can it support in water?

    asked by Max
  211. English

    I have cringe martial innovation and format left in my word box I don't expect you to be a hero but do you have to ____ in that cowardly fashion whenever someone disagrees with you cringe? During the war years the government tried by all kinds of

    asked by Jerald
  212. math

    you roll a standard cube once. whats a odds in favor of rolling a 5

    asked by suee
  213. AP Physics B

    An empty rubber balloon has a mass of 0.01 kg . The balloon is filled with helium at a density of 0.181 kg/m3 . At this density the balloon has a radius of 0.493 m . If the filled balloon is fastened to a vertical line, what is the tension in the line?

    asked by Clark
  214. Chemistry

    Assume that 7.2 L of I2 are produced at STP according to the following balanced equation: 2KI+Cl - 2KCl+ I2 How many grams of KI (MOLAR MASS=166.002G/MOL) reacted

    asked by Valerie
  215. Chemistry

    Assume that 7.2 L of I2 are produced at STP according to the following balanced equation: 2KI+Cl - 2KCl+ I2 How many grams of KI (MOLAR MASS=166.002G/MOL) reacted

    asked by Valerie
  216. AP Physics B

    Part 2!!!! An object weighing 305 N in air is immersed in water after being tied to a string connected to a balance. The scale now reads 270 N . Immersed in oil, the object appears to weigh 279 N . Find the density of the object. Answer in units of kg/m3

    asked by Clark
  217. Chemistry

    Assume that 7.2 L of I2 are produced at STP according to the following balanced equation: 2KI+Cl - 2KCl+ I2 How many grams of KI (MOLAR MASS=166.002G/MOL) reacted

    asked by Valerie
  218. Chemistry

    How much of a 2.0 molar NaCl solution would you need to make 250 mL of a .15 molar NaCl solution?

    asked by Vinny
  219. math

    in the problem 1 3/5 x 3 1/4 round each number to the nearest whole number then multiply ?

    asked by angel
  220. English

    Minimum is best described as A. great number C.equal number The other answer choices are cut off but A and C don't mean minimum right? Because minimum is the smallest possible amount

    asked by Jerald
  221. chemistry

    Assume that 7.2 L of I2 are produced at STP according to the following balanced equation: 2KI+Cl - 2KCl+ I2 How many grams of KI (MOLAR MASS=166.002G/MOL) reacted

    asked by Valerie i need it ASAP
  222. English

    Of all the different types of writing humor may be the most (perishable jovial) because each generation has its own idea of what is funny jovial? I felt that there was something thoroughly (sinister immobile) about the way he kept trying to duck questions

    asked by Jerald
  223. Math

    If Sarah selects a shirt, without looking, from the ones below, what is the probability she will pick a gray shirt or white shirt?

    asked by Jaiden
  224. 6th grade math

    Is -15 equal then to 15 or less then? My answer is less then an i right if not please tell me how and why?

    asked by Miki
  225. college algebra

    solve for x -4/3x-1

    asked by Wanda
  226. physics

    A narrow beam of light passes through a plate of glass with thickness 1.4 cm and a refractive index 1.55. The beam enters from air at an angle 23.5 . The goal is to calculate the deviation d of the ray as indicated in the figure.

    asked by cece
  227. math

    Simon must choose one fiction book and one biography for a reading project. he has 6 different fiction books to choose and 7 different biographies to choose. write an equation to show how many different ways he can choose one of each type of book?

    asked by Jaiden
  228. math

    If Mickey selects a yo-yo, without looking, from a pail that contains 6 red yoyos, 5 blue yoyos and 4 white yoyos, what is the probability he will pick a blue yoyo? red yoyo? white yoyo?

    asked by Jaiden
  229. physics

    A car with a mass of 3200 kg and a velocity of 50 m/s brakes to a final velocity of 25m/s in a distance of 85 m. what is the force the brakes apply to stop the car.

    asked by physics
  230. English

    Robin Hood's faithful band of merry men were not only (crotchety jovial) companions but brave fighters as well jovial? Her mind is so (impassable nimble) that she always seems to be one step ahead of us in any matter discussion nimble? The self styled

    asked by Jerald
  231. math

    a spinner has four equal parts marked 1-4, another spinner has 3 equal parts colored red, blue and yellow. What are all the possibe outcomes?

    asked by Gary
  232. Physics!

    A 0.3 kg brick is dropped form a height of 8 meters. It hits the ground and comes to rest. a) Calculate the impulse exerted by ground on the brick. b) It takes 0.0013 seconds from the time the brick first touches the ground until it touches the ground.

    asked by Carol
  233. Gramma

    The following sentence is grammatically incorrect: Where the lack of a natural prewdatoar in Yellowstone National Park has aresulted in the overpopulation of bison, deer and elk. 1.The sentence is not complet 2.This is a run-on-sentence 3. The subject does

    asked by Lady Gia
  234. Educational Assistant

    Thank your for your idea Ms. Sue do you think that this could be a an appropriate re- phrase? Maybe some of the people in country X do steal, but we cant judge the boy in the story because we don't know where he is from?

    asked by Sally J Raphel
  235. math

    x=y plus 19 and x plus y=13=

    asked by sheri
  236. math

    A 2 m tall person standing on the ground looks up at an angle of 34.0 o with the horizontal and sees the top of a tree and the top of a building aligned. The tree is 20 m away from the person, and the building is 51.0 m from the person

    asked by tim
  237. math

    The following numbers can be represented as 8-bit numbers in the binary representation.Which of these has a ‘1’ in the second place from the right in the binary representation? A. 171 B. 185 C. 214 D. A and C

    asked by lin
  238. math

    nathan drove 262 miles in 5 hours at a canstant speed. how long would it take him to drive 377.28 miles at the same speed

    asked by Anonymous
  239. Algebra

    I need help with this equation y=x-2n y=2x+2

    asked by Denzel
  240. math

    A 2 m tall person standing on the ground looks up at an angle of 34.0 o with the horizontal and sees the top of a tree and the top of a building aligned. The tree is 20 m away from the person, and the building is 51.0 m from the person

    asked by tim
  241. Physics

    When a 1.53-kilogram mass is placed on a spring with a spring constant of 30.0 newtons per meter, the spring is compressed 0.500 meter. How much energy is stored in the spring?

    asked by Anon
  242. geometry

    The Kramer's family room measures 23 feet by 27 feet. They are covering the floor with square tiles that measure 1 foot on a slide and cost $0.98 each. How much will they spend?

    asked by carol
  243. Statistics (Pls. Help Me)

    For the following studies, identify the possible target population, elementary unit, sampling frame, sampled population and sampling unit. 1. A doctor wishes to study people working at a hotel in Makati afflicted with hypertension. 2. A researcher would

    asked by Cho
  244. math

    It is recommended that when calculating a quantity, all intermediate calculations should be done with extra digits. This avoids the accumulation of A. Off-By-One Errors B. Roundoff Errors C. Standard Errors D. Type One Errors

    asked by bella
  245. Math

    the first row in a theater has 8 seats. each subsequent row has 3 more seats than the row before it. there are 10 rows in the orchestra section. how many seats are in the orchestra section?

    asked by Anonymous
  246. computer

    Statement: Bits can be used to represent A) numbers, B) names, C) colors and D) dates. This holds true for: A. A only B. A and C C. A and D D. A, B, C and D

    asked by bella
  247. college algebra

    2a^2-3a=20 solve for a

    asked by Wanda
  248. MATH

    Hi this goes to Ms. Sue or anybody I posted a question and no one answered it ! it was Anonymous and it was today under Math and it was at 1:31 ! Please answer my question ! (: Thanks !(:

    asked by Anonymous
  249. geometry

    how far up the wall is a 13 ft ladder, if the baseof the ladder is 8 feet away from the wall

    asked by Tami
  250. Statistics (Pls. Help Me)

    2. A market researcher wishes to determine the market share of the four leading brands of milk among children in Metro Manila who are 6 years old or younger. a.) Population: b.) Variable of Interest: c.) Parameter of Interest:

    asked by Cho
  251. Chem

    how to prepare a 250 mL solution of .15 M K2SO4 with a volumetric flask

    asked by B
  252. math

    Jared is making 1-1/3 of a recipe that calls for 2-1/2 cups of flour. How much flour will Jared need to use?

    asked by Willie
  253. geometry

    What is the pattern for a fractal tree?

    asked by John Doe
  254. Math Help me

    the diameter of a cylinder is 3 yd. the height is 8 yd. find the volume of the cylinder in terms of pi and to the nearest tenth

    asked by Juanita
  255. Gramm

    Anybody can servce om the committee, as long as his children goto the school.

    asked by Lady Gia
  256. Math 7

    Suppose you copy a drawing of a polygon with the given size factor. How will the side lengths, angle measures, and perimeter of the image compare to those of the original? A.) 200% B.) 150% C.) 50% D.) 75%

    asked by Brandon
  257. us history

    what issue needed to be settled before the smalller states agredd to the articles of conferderaton'' is it what to do with western lands

    asked by jj
  258. Algebra II

    1)What method(s) would you choose to solve the equation: x2 + 2x - 6 = 0 A. Square roots; there is no x-term. B. Quadratic formula, graphing; the equation cannot be factored easily since the numbers are large. C. Factoring; the equation is easily factored.

    asked by Hally
  259. Chemistry

    Molar Mass of a Condensable vapor: The significance of immersing the flask as far as possible into the hot water bath? = Is to allow the volatile liqued to evaporate, current?

    asked by AhmadM
  260. math 6th grade

    if one side of a cube is 1/6. what are the lengths for the other sides?

    asked by Anonymous
  261. PHYSICS

    When a 1.53-kilogram mass is placed on a spring with a spring constant of 30.0 newtons per meter, the spring is compressed 0.500 meter. How much energy is stored in the spring?

    asked by Anon
  262. calculus

    For what values of z will (2-z)-y = 0 4x+(1+z)y = 0 have an infinite number of solutions.

    asked by Zac
  263. math

    can you put the following nmbers in order form least to greatest? 17.11; 17.107; 17; 17.001

    asked by heidi
  264. Physics

    You need to move a 128-kg sofa to a different location in the room. It takes a force of 99 N to start it moving. What is the coefficient of static friction between the sofa and the carpet?

    asked by Caleb
  265. Statistics (Help me please)

    For the following studies, identify the possible target population, elementary unit, sampling frame, sampled population and sampling unit. 1. A doctor wishes to study people working at a hotel in Makati afflicted with hypertension. 2. A researcher would

    asked by Cho
  266. us

    which of the following best defines federalsim is it power is shared between the centeral gov and the states

    asked by anonymous
  267. Reading/language arts

    Can someone give me a metaphor with the words DWELLING and HERB. Please.

    asked by Gigi
  268. math

    What is the area of a hexagon all angles are right angles top 18 in side 20 in other side hook 12 in and side hook 6 in also what is the perimeter?

    asked by noahc
  269. Reading/language arts

    Can someone give me a idiom with the words GIDDINESS and DESPISED. Please.

    asked by Gigi
  270. physics

    A point charge of +1 µC is located at x = −2 cm and a second point charge of −8 µC is located at x = 6 cm. Where should a third charge of +1 µC be placed so that the electric field at x = 0 cm is zero?

    asked by Alyssa
  271. social studies

    what are advantages and disadvantages of dynastic rule in ancient Egypt

    asked by may
  272. Reading/language arts

    Can someone give me a simile with the words CANOPY and TRAMPLE. Please.

    asked by Gigi
  273. geometry

    susan drew a right angle. she drew a ray between the two rays that formeds the right angle. what kind of angle did the new ray form?

    asked by susas
  274. math

    On graph paper draw a ray from the origin through the point (-10,-10) then draw a ray from the origin through the point (-10,10). Use a protactor to measure the angle formed by the two rays and write the measure on the graph paper What is the measure =?

    asked by noahc
  275. math.

    A band poster that measures 90 cm by 40 cm is reduced by a scale factor of 1/6 so it can fit on a postcard. a) What are the dimensions of the postcard image? b) By what scale factor, to the nearest hundredth, was the area of the poster decreased in the

    asked by jen
  276. Physics

    A 2563-kg van runs into the back of a 826-kg compact car at rest. They move off together at 8.5 m/s. Assuming the friction with the road is negligible, calculate the initial speed of the van.

    asked by Caleb
  277. Physics

    Three point charges are on the x axis: −6 µC at −3 m, 7 µC at the origin, and −5 µC at 3 m. Find the force on the first charge. The value of the Coulomb constant is 8.98755 × 10^9 N · m^2/C^2.

    asked by Alyssa
  278. math

    ratio as a fraction of 8 over 22

    asked by Anonymous
  279. us history

    did the state governmnet have the most power under the articles of confederation

    asked by anonymous
  280. Trigonometry

    The populations, P, of six towns with time t in years are given by: I) P=1000(1.08)^t II) P= 600(1.12)^t III) P = 2500(0.9)^t IV) P=1200(1.185)^t V) P=800(0.78)^t VI) P=2000(0.99)^t a. Which towns are growing in size? Which are shrinking? b. Which town is

    asked by Lee
  281. math

    A refrigerator is 3 ft wide, 2 ft deep, and 6 ft high. How much floor space does it cover? What is the volume?

    asked by rach
  282. Trigonometry

    The value V, of a $100,000 investment that earns 3% annual interest is given by V=f(t) where t is in years. How much is the investment worth in 3 years

    asked by Karen
  283. AP Calculus

    Oil leaks out from a damaged oil tanker and forms a circle around the tanker. If the radius of the circle of oil is increasing at 25m/min, find the rate of change of the area when the radius is 20km

    asked by Jessica
  284. Trigonometry

    a. Write a formula for Q as a function of t. b. What is the value of Q when t=10 1. Initial amount 2000; increasing by 5% per year 2. Initial amount 112.8; decreasing by 23.4% per year 3. Initial amount 5; increasing by 100% per year

    asked by Alex
  285. Trigonometry

    In 2010, the population of a country was 70 million and growing at a rate of 1.9% per year. assuming the percentage growth rate remains constant express the population P, as a function of t, the number of years after 2010.

    asked by Jamie
  286. math

    On graph paper draw a ray from the origin through the point (-10,-10) then draw a ray from the origin through the point (-10,10). Use a protactor to measure the angle formed by the two rays and write the measure on the graph paper What is the measure =?

    asked by noahc
  287. Trig!

    a) The annual inflation rate is 3.5% per year. If a movie ticket costs $7.50, find a formula for p, the price of the tickets t years from today, assuming that movie tickets keep up with inflation. b) According to your formula, how much will movie tickets

    asked by Ashley
  288. Math

    He describe the amount of money made based the number of hours worked by the function rule y= 10h. Given this function, how much money does he earn for each hour worked? Thanks

    asked by Clashy
  289. Physics

    A car traveling at 20 m/s accelerates at 7 m/s2 for 3 sec. How fast is it now traveling? Please help!

    asked by Jamie
  290. integrated math

    Suppose a laboratory has a 26 g sample of polonium-210. The half-life of polonium-210 is about 138 days.?

    asked by sara
  291. math

    omar lays down straight tracks for his model railroad. each length of track is 8 inches long. which of the following could be the total length of omar's track?

    asked by emm
  292. Physics

    When a 1.53-kilogram mass is placed on a spring with a spring constant of 30.0 newtons per meter, the spring is compressed 0.500 meter. How much energy is stored in the spring?

    asked by Anon
  293. accounting

    The following stockholders' equity accounts arranged alphabetically are in the ledger of McGrath Corporation at December 31, 2011. Common Stock ($10 stated value) $1,500,000 Paid-in Capital from Treasury Stock 6,000 Paid-in Capital in Excess of Stated

    asked by Anonymous
  294. Physics

    The patient in the figure below is to receive an intravenous injection of medication. In order to work properly, the pressure of fluid containing the medication must be 108 kPa at the injection point. (a) If the fluid has a density of 1024 kg/m3, find the

    asked by Jacob
  295. cooking class

    what are ladles used for?

    asked by Kandy Bear