1. Math for Educators

    Use Gauss's approach to find the following sums (do not use formulas). a. 1 + 2 + 3 + 4 +...+ 102 b. 1 + 3 + 5 + 7 +...+1001 a. The sum of the sequence is ? My answer 102-51(103)= 5,253 b. The sum of the sequence is? My answer 500.3(1,002)=501,300.6 Are my

    asked by Carol on June 4, 2013
  2. math, algebra

    i just want to re make sure that the following question is correct. (1) List all the factors of 16 My answer: 1,2,4,8,16 That is correct. They may not want 1 and 16 to be included, since every integer has 1 and itself as factors. so i should take away the

    asked by jasmine20 on December 17, 2006
  3. Math

    1) -5g-6 for g = -2 2) Write an algebraic expression for the sum of 3 Coins and c Coins 3) What Value of x is a solution to the equation? x-2 = 16 4) use mental math to solve the equation. z/-12 = -5 5) estimate the solution of the equation x-8.1 = 5.3 to

    asked by Jack on October 25, 2017
  4. MATH PLEASE HELP

    1) -5g-6 for g = -2 2) Write an algebraic expression for the sum of 3 Coins and c Coins 3) What Value of x is a solution to the equation? x-2 = 16 4) use mental math to solve the equation. z/-12 = -5 5) estimate the solution of the equation x-8.1 = 5.3 to

    asked by Jack on October 25, 2017
  5. math

    1) -5g-6 for g = -2 2) Write an algebraic expression for the sum of 3 Coins and c Coins 3) What Value of x is a solution to the equation? x-2 = 16 4) use mental math to solve the equation. z/-12 = -5 5) estimate the solution of the equation x-8.1 = 5.3 to

    asked by gurl please help mee!!! on November 1, 2018
  6. Physics

    What happens to the atomic number of the daughter nucleus if it is formed after the emission of the beta particle? The atomic number remains the same. The atomic number increases by two. The atomic number increases by one. The atomic number decreases by

    asked by tyewywtw on October 25, 2012
  7. physics

    What happens to the atomic number of the daughter nucleus if it is formed after the emission of the beta particle? The atomic number remains the same. The atomic number increases by two. The atomic number increases by one. The atomic number decreases by

    asked by eothwoie on October 23, 2012
  8. physics

    A condition for mechanical equilibrium is that the sum of the forces acting equal zero. Another condition is that the sum of the _____A) centrifugal forces also equal zero B) centers of gravity balance.C) torques equal zero.D) rotational inertias equal

    asked by jim on March 1, 2012
  9. Math

    in the back stockroom at the wheel shop, the number of seats and horns equaled the number of wheels. the number of seats and handlebars equaled the number of horns. twice the number of wheels is equal to 3 times number of handlebars. Determine the

    asked by Char on October 21, 2012
  10. Math

    One day 3/8 of the students in Jack's class ate toast for breakfast. Another 1/8 of the students ate oatmeal. Jack added the fractions and found the sum was 7/8. Which statement best describes the sum 7/8? A) It is reasonable because 1/2 + 0 = 1/2. B) It

    asked by Pam on July 21, 2016
  11. math

    ok i need help with these questions i have been trying to figure them out and my brain isnt working. please help and thank you ahead of time. if you can help. 4. Q.write and algebraic expression for the product of 15 and c A. IS IS C-15 16. Q. define the

    asked by Amy on September 8, 2008
  12. Algebra one PLEASE HELP THX!!

    ok i need help with these questions i have been trying to figure them out and my brain isnt working. please help and thank you ahead of time. if you can help. 4. Q.write and algebraic expression for the product of 15 and c A. IS IS C-15 16. Q. define the

    asked by Amy on September 8, 2008
  13. Psychology

    30 Brothers each attend the daily sunset service 4 times a week. Whilst they are all present on Sunday, the numbers present throughout the week varies from day to day. Alan wanted to learn more about the religion. He knew the Brothers were in great demand

    asked by Kate on March 5, 2018
  14. Math

    In a company, the men who do not wear glasses are thrice as many as the men who do, while the women who do not wear glasses are ten more than the women who do. The probability that an employee wears glasses is 3/10. If selected employee wears glasses, the

    asked by bryan on February 5, 2018
  15. math-word problems with quadratics

    I have 5 questions... 1) The sum of two numbers is 12. Their product is 36. Find the two numbers. 2) The sum of two numbers is -15. Their product is -100. Find the two numbers. 3) The sum of two numbers is -8. Their product is 12. Find the two numbers. 4)

    asked by Dakota on May 1, 2007
  16. Chemistry

    Which of the following accurately shows the correct terms for the two sides of a chemical equation, correctly placed to the left or to the right where they belong, and also shows the correct symbol that is written between them? Choose a,b,c, or d. ** I

    asked by Mickeyv on July 8, 2008
  17. Medical Information Management

    John Doe, a new patient, is assigned a medical number that has already been assigned to another patient. With a unit numbering system, how is this corrected? A. Both patients keep the same number. B. Move both patients documentation forward to the new

    asked by Jessica on January 22, 2011
  18. Computer Programming

    Java Programming Question: basically want to keep the user in a loop that displays the menu and requests a user choice again and again until the user enters choice option 0 and exits the program. When Option 1 is chosen, I want to ask the user, "How many

    asked by Jean on March 27, 2008
  19. bryce

    can someone help me write out these expressions? 4 more than p: product of c and 15: the quotient of n and e: The quotient of 17 and k: 23 less than x: the sum of v and 3: the sum of 9 and k minus 17: 7 more than 5 times n: 85 less than the product of t

    asked by Math on August 17, 2011
  20. Math- Trig

    1. Determine the exact value of cos^-1 (pi/2). Give number and explanaton. 2. Determine the exact value of tan^-1(sq. root 3). with explanation. 3. Determine exact value of cos(cos^-1(19 pi)). with explanation. 4. Determine the exact value of sin(sin^-1(20

    asked by Crystal on April 14, 2012
  21. Physics

    Two boys are pulling a box across a horizontal floor as shown in the figure below. vector F 1 = 50.0 N and vector F 2 = 100 N. (a) Find the resultant (or sum) force by the graphical method. (b) Find the resultant (or sum) force by the component method.

    asked by Matthew on August 25, 2014
  22. chemistry

    wich of the following shows the correct terms for the two sides of a chemical equation correctly placed to the left or right where thay belong an also shows the correct symbol reactants---products products=reactants reactants=sum or sum----reactants please

    asked by andrea on May 12, 2008
  23. Probability

    Roll two fair dice. what is the probability that you get a 2 and a 5 without regard to which is on which die? What is the probability of at least one 2 or one 5? What is the probability of a sum of 7? "what is the probability that you get a 2 and a 5

    asked by Pam on December 3, 2006
  24. Statistics

    a roulette wheel has 40 slots evenly divided between red (even) and green (odd) slots totaling 38 and a "0" and a "00". what is the probability of the ball landing in an: A)even number < 10 B) other than an even or odd number C) odd number > 15 D) even

    asked by kristina on November 21, 2010
  25. PLEASE HELP!!! ALGEBRA

    A bank teller is counting the total amount of money in a cash register at the end of the day. There is a total of $2600 in denominations of $1, $5, $10 and $20 dollar bills. The total number of paper bills is $235. The number of twenty dollar bills is

    asked by Jona on February 19, 2013
  26. Pre Calculus

    A bank teller is counting the total amount of money in a cash register at the end of the day. There is a total of $2600 in denominations of $1, $5, $10 and $20 dollar bills. The total number of paper bills is $235. The number of twenty dollar bills is

    asked by Jona on February 19, 2013
  27. Statistics

    In a game you roll two fair dice. If the sum of the two numbers obtained is 3,4,9,10 or 11 you win $20. If the sum is 5,6,7 or 8 you pay $20. However if the scores on the dice are the same no one is required to pay. (a) Construct a probability distribution

    asked by Edmund on December 14, 2013
  28. GP Caluculus

    The third term of a geometric progression is 16. The sum of the third term and the fourth term is 8.Find (a)the first term and the common ratio of the progression. (b)the sum of infinity of the progression.

    asked by Watermelon on December 1, 2011
  29. GP Caluculus

    The third term of a geometric progression is 16. The sum of the third term and the fouth term is 8. Find (a)the first term and the common ration of the progression (b)the sum of infinity of the progression

    asked by Watermelon on December 1, 2011
  30. GP Caluculus

    The third term of a geometric progression is 16. The sum of the third term and the fouth term is 8. Find (a)the first term and the common ration of the progression (b)the sum of infinity of the progression

    asked by Watermelon on December 1, 2011
  31. 4th

    to win $1 millon you must draw two cards whose sum is 9 from a stack of cards numberd 1 through 10 . after the first draw you replace the card and shuffle the stack again for the second draw. what is the chance that your two cards will have a sum of 9

    asked by shaunte on December 11, 2014
  32. math 4th grade

    To win $1 million, you must draw two cards whose sum is nine, from a stack of cards numbered 1 through 10. After the first draw, you replace the card and shuffle the stack again for the second draw. What is the chance that your two cards will have a sum of

    asked by Vann on February 7, 2010
  33. 4 grade

    To win $1 million, you must draw two cards whose sum is nine from a stack of cards numbered 1 through 10. After the first draw, you replace the card and shuffle the stack again for the second draw. What is the chance that your two cards will have a sum of

    asked by Anonymous on January 27, 2010
  34. math

    To win $1 million, you must draw two cards whose sum is nine, from a stack of cards numbered 1 through 10. After the first draw, you replace the card and shuffle the stack again for the second draw. What is the chance your two cards will have a sum of

    asked by angel on December 8, 2011
  35. math

    To win $1 million, you must draw two cards whose sum is nine from a stack of cards numbered 1 through 10. After the first draw, you replace the card and shuffle the stack again for the second draw. What is the chance that your two cards will have a sum of

    asked by An on January 27, 2010
  36. math

    mary's birthday is between june 13 and june 23. the date of her birthday is not an even number. the sum of the digits is 3. when is mary's birthday?

    asked by Anonymous on August 31, 2009
  37. math

    mary's birthday is between june 13 and june 23. the date of her birthday is not an even number. the sum of the digits is 3.when is mary's birthday?

    asked by bryce on August 30, 2009
  38. 3rd grade

    mary's birthday is between june 13 and june 23. the date of her birthday is not an even number. the sum of the digits is 3. when is mary's birthday?

    asked by ALEXIS on September 20, 2010
  39. Data Structure and Algorithms in Java

    A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. On the other hand, a composite number is a natural number greater than 1 that is not a prime number. For example, 5 is prime, as only 1 and 5 divide

    asked by ahmad on March 31, 2017
  40. Algebra

    Here is my problem. Please walk me through how you got to the answer. Three-fourths of a number equals 3 times the number increased by 9. Is this the correct equation? 3/4n = 3n + 9 Here's another. In this one, does "is" mean "equals"? One-fourth of a

    asked by Celina on November 14, 2008
  41. Math

    A die is rolled, and the number that falls uppermost is observed. Let E denote the event that the number shown is even, and let F denote the event that the number is odd number. A. Are the events E and F mutually excluseve? B. Are the evnts # and F

    asked by Terri on May 13, 2012
  42. math

    The Fibonacci sequence of numbers begins 1,1,2,3,5,8,13,21,34,55,…and continues by the rule: every number is the sum of the two previous numbers. a. Determine the next five (eleventh through fifteenth) elements of this sequence. b. Compute the ratio of

    asked by bill on March 7, 2010
  43. math

    let s= the sum of all even numbers from 2 to 10 {including 2 and 10} Let t= the sum of all odd numbers from 1 to 9 z{including 1 and 9.. find s-t

    asked by KIRA on February 20, 2008
  44. general science

    which of the following accurately shows the correct terms for the two sides of a chemical equation, correctly placed to the left or to the right where they belong and also shows the correct symbol that is written between them? reactants --> products

    asked by courtney on December 24, 2009
  45. Math

    A six sided die is tossed. What is the probability that it shows a prime number if you know the following? a. It shows an even number. b. It shows a number less than 5. c. It does not show a 6. d. It shows 1 or 2/ e. It shows an even number less than 4. f.

    asked by Sam on April 24, 2014
  46. Math

    Which statement is false? A. The number zero is a rational number. B. Some irrational are also rational numbers. C. Every irrational number is a real number. D. Every integer is a rational number Is the answer C?

    asked by happy on October 17, 2014
  47. Math

    Lesson is on using formulas A=l*w Create formulas for the following relationships. A. The relationship between the number of tires (not including spares) and the number of cars in a parking lot. B the relationship between the number of minutes to the

    asked by Cindy on June 15, 2016
  48. word problems

    how do you solve these using polynomial equations??? the altitude of a triangle is 5m less than half its base. if the area of the triangle is 300m, find the measure of the base. the sum of the squares of two consecutive negative integers is 61. find the

    asked by Amanda on December 16, 2007
  49. Math 5th grade

    Find a two mixed numbers such that when you estimate their sum by rounding to the nearest whole number you get a different estimate than when you round to the nearest half. Not sure about rounding to the nearest half???

    asked by Ms. H on September 20, 2017
  50. Computer

    Write a C++ program that uses 2 functions the first is to read an array of students’ grades and return the sum of the all grades to the main program. And the second function will receive the sum of all grades from the main program and calculate and print

    asked by Kim on November 19, 2017
  51. math

    there are 8 consecutive integers that add up to 31. Only two of the integers are equal. what is the greatest number for any one integer? I assume that you are saying that of the 8 integers, only one is repeated. If you include 8 as an integer, the sum will

    asked by jigar on August 16, 2007
  52. Algebra

    I have been doing sum of cubes and difference of cubes problems and I just cant figure out these questions... Sum of Cubes Pattern a3 + b3 = (a + b)(a2 - ab + b2) Difference of Cubes Pattern a3 - b3 = (a - b)(a2 + ab + b2 1. 64x^3 + 1 2. 1-125b^3 3.

    asked by Bongo on December 3, 2007
  53. Math

    In euclidean geometry, the sum of the measures of the interior angles of a pentagon is 540. predict how the sum of the interior angles of a pentagon would be different in spherical geometry

    asked by MIiranda on August 30, 2012
  54. algebra

    i need help. not saying these are right, i just tried my best, could someone check them for me? (NOT ALL ARE ANSWERED) 1. (-5)^-1 A. - 1/5 ********** B. -5 C. 5 D. 1/5 2. (-8.3) ^0 A. 1 B. -1 C. 0 D. -8.3 ********** 3. -1/a^-2 A. -a^2 B. -2/a C.-2a D. a^2

    asked by kindaneedhelpASAP on February 21, 2019
  55. math,help,factoring

    i need help i don't know how to do the next step. factor by grouping x^3-3x^2+4x-12 so what i have so far is this =(x^3-3x^2)+(4x-12) =x(x^2-3x)+4(x-3) from here i don't know... and then this one is driving me insane this next one... Rewrite the middle

    asked by jas20 on February 27, 2007
  56. Algebra

    i need help. not saying these are right, i just tried my best, could someone check them for me and just tell me the letters for the correct ones? (NOT ALL ARE ANSWERED) 1. (-5)^-1 A. - 1/5 ********** B. -5 C. 5 D. 1/5 2. (-8.3) ^0 A. 1 B. -1 C. 0 D. -8.3

    asked by uh help (SOS!) on February 22, 2019
  57. math analysis/ precalc

    Assume the annual number of skin cancer deaths increases geometrically, instead of arithmetically. Use the same starting number of 9,300 in 2000 and 200,000 in 2050. Select the number closest to the ratio of number of deaths from year to year.

    asked by Anonymous on May 15, 2013
  58. Precalc

    Assume the annual number of skin cancer deaths increases geometrically, instead of arithmetically. Use the same starting number of 9,300 in 2000 and 200,000 in 2050. Select the number closest to the ratio of number of deaths from year to year.

    asked by Joseph on November 10, 2018
  59. Physics

    What happens to the atomic number of the daughter nucleus if it is formed after the emission of the beta particle? The atomic number remains the same. The atomic number increases by two. The atomic number increases by one. The atomic number decreases by

    asked by wtewt on October 24, 2012
  60. Algebra

    In an infinite geometric progression with positive terms and with a common ratio |r|

    asked by Anonymous on February 10, 2017
  61. Geometry

    What is the sum of the measures of the interior angles of a convex octagon? What is the sum of the measures of the interior angles of a convex decagon? What is the measure of one interior angle of a regular polygon with 20 sides? Thank You! (:

    asked by Alan on February 3, 2010
  62. physics

    A block accelerates at 3.3 m/s^2 down a plane inclined at an angle of 26 degrees.Find micro(k) between the block and the inclined plane. The acceleration of gravity is 9.81 m/s^2. This is my work but i am not sure if it is correct: sum of forces on x axis=

    asked by alexa on July 14, 2011
  63. Chemistry 2

    For the gaseous reaction of carbon monoxide and chlorine to form phosgene, (COCl2), calculate each of the following. (a) Calculate S° at 298 K I got -136.76 J/K using delta S = sum of delta S of products minus sum of delta S of reactants which is the

    asked by Anonymous on April 25, 2015
  64. Economics

    Suppose that there are 1,000 hot-pretzel stands operating in Toronto. Each stand has the usual U-shaped average total cost curve. Both the market demand curve and the supply curve for pretzels are linear, and the market for pretzels is in long-run

    asked by Mitch on December 4, 2016
  65. Periodic Table

    1. The atomic mass of an element is A. the sum of the protons and neutrons in one atom of the element.** B. twice the number of protons in one atom of the element. C. a ration based on the mass of a carbon-12 atom D. a weighted average of the masses of an

    asked by Peru on October 16, 2017
  66. Math - Arithmetic & Geometric

    1) Given the terms a35 = 1238 and a70 = 1483 of an Arithmetic. Find the exact value of the term a105 a sequence and sum of sequence. 2) Given a3 = 99 and a5 = 891 of a Geometric. Find the exact value of the term a7 of the sequence and the sum of sequence.

    asked by Student555 on February 28, 2011
  67. math

    Find: Two numbers whose sum -10 and whose product is 5. ;;; x+y = -10 x= -10-y xy=5 (-10-y)y=5 -10y-y^2 = 5 -y^2-10y-5=0 y= -9.47213595499958 and y= -0.52786404500042 Two numbers whose sum is 1 and whose product is 1. ;;; y= (-1+ sqrt(-3))/-2 y= (-1 -

    asked by John on February 1, 2016
  68. chemistry

    I wanted to check my True and False Chemistry HW. I am not 100% they are correct. 1.the number of neutrons in an atom is reffered to as its atomic number False 2.the periodic table is arranged by increasing atomic number True 3.atomic number is equal to

    asked by Allura on November 17, 2011
  69. math

    1. The product of 7/16, 4/3, and 1/2 is A. 7/12. (B). 7/24. C. 21/32. D. 2 13/48. 2. The total of 36, 78, 198, 475, and 620 is (A). 1,407. B. 2,109. C. 1,731. D. 1,187. 3. The quotient of 794.1 divided by 7.61, expressed to two decimal places, is A. 95.83.

    asked by ash on October 15, 2013
  70. chemistry

    sorry i will improve my english which is correct of this equation reactants---products products=reactants reactants=sum or sum----reactants i just do not get this

    asked by andrea on May 12, 2008
  71. Algebra 1

    In 5 years time I will be 3 times as old as my son. In 14 years time, the sum of our ages will be 62. Today the sum of our ages is

    asked by Anonymous on August 27, 2012
  72. geometry

    If the ratio of the interior angle to the exterior angle is 5:1 for a regular polygon, find a. the size of each exterior angle b. the number of sides of the polygon c. the sum of the interior angles d. Name the polygon

    asked by jodi on April 24, 2012
  73. ALGEBRA

    can you help me with this. d don't get it at all :( let n be the number used for the given number puzzle. use algebra to show how the puzzle works. 1. pick a number 2. subtract 9 3. multiply by 6 4. divide by 3 5. add 18 6. subtract twice your original

    asked by ROBERT on September 24, 2008
  74. math

    Which word phrase can be modeled by the expression? Choose all that apply. 8 - 3n A- eight decreased by the product 3 and a number B- the difference of 8 and the quotient of 3 and a number C- the difference of eight and the product of 3 and a number D-

    asked by Ash on September 17, 2014
  75. math

    A pigeon runs into a flock of pigeons and asks their leader what is your number in this flock? The leader replays: I am not suppose to tell you our exact number, but if you take twice our number and add a half of our number and still add another quarter of

    asked by I have a headache on September 9, 2009
  76. Math

    A pigeon runs into a flock of pigeons and asks their leader what is your number in this flock? The leader replays: I am not suppose to tell you our exact number, but if you take twice our number and add a half of our number and still add another quarter of

    asked by Anonymous on September 10, 2009
  77. math

    one number is 6 more than the other number also 7 times the smaller number is equal to 6 times the larger number find the two numbers

    asked by Anonymous on July 2, 2016
  78. English

    An analysis on East London By Matthew Arnold please?? 'Twas August, and the fierce sun overhead Smote on the squalid streets of Bethnal Green, And the pale weaver, through his windows seen In Spitalfields, look'd thrice dispirited. I met a preacher there I

    asked by Ling on December 14, 2009
  79. pre-algebra

    Which of the following does NOT represent a domain? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ A) The total number of oranges Andre has from buying bags of oranges at the store B) The number of minutes that have passed while reading pages from a book C) How many

    asked by Pierce_the_Sirens2000 on November 28, 2014
  80. Algebra HELP!

    If a sum of money is deposited in a savings account that is paying x percent annual interest (expressed as a decimal), then this sum of money increased by a factor of (1+x)^3 after 3 years. A. multiply this expression B. Evaluate the polynomial expression

    asked by Adriana on June 11, 2012
  81. Mathematics

    If the sixth term of an A.P is 37 and the sum of the first sixth term is 147.find the first term and the sum of the first 15 terms

    asked by Olajumoke on October 15, 2018
  82. math help!!

    the first term in a geometric series is 4 and the sum of the first three terms of the series is 64. find the sum of the first eight terms of the series.

    asked by nikki on December 16, 2014
  83. Algebra

    Find 5 consecutive whole numbers if it is known that the sum of the squares of the first 3 numbers is equal to the sum of the squares of the last 2 numbers.

    asked by Sam on December 6, 2018
  84. Math.

    The first term of a geometric series is 4 and the sum of the first three terms of the series is 64. Find the sum of the first eight terms of the series.

    asked by Tom on January 8, 2014
  85. math

    a number machine takes any number put into it, multiplies it by 3 and then subtracts 2. reuben put a number into the machine. he took the new number that came out and put that number back into the machine. He took the new number that came out and put that

    asked by math on December 5, 2013
  86. math,algebra

    can someone correct this for me: Translate the following statements into inequalities. Let x represent the number in each case. 2 times a number, increased by 28, is less than or equal to 6 times that number. My answer: 2x+28

    asked by jasmine20 on December 21, 2006
  87. MATH

    Sarah rolled a fair six-sided die 24 times. The table below shows the number of times each number was rolled: Number Cube Experiment Number on the Cube Number of Times Appeared 1 6 2 4 3 0 4 9 5 3 6 2 According to the results in the chart, what is the

    asked by HH on May 19, 2017
  88. Math

    The sum of two numbers subtracted from twice the sum of those numbers. Please help?

    asked by Ashleigh Cunningham on October 23, 2013
  89. mathematics

    If 20%of a sum of money is $60.what is50% of the same sum of money

    asked by Damalee on March 9, 2016
  90. math

    The sum of the first 9 terms of an A.P is 72 and the sum of the next 9 terms is 71, find the A.P

    asked by Anonymous on October 28, 2011
  91. math

    The sum of two numbers is 12. The sum of their reciprocal is 3/8? what are the numbers?

    asked by josh on January 27, 2015
  92. mental arithmetic pls help( ASAP)

    50% of a sum of money was £7.00. Find the whole sum of money.

    asked by laceh on February 7, 2017
  93. 6TH GR. ALGEBRA

    EXTENDING THE LESSON If you add any two rational numbers, the sum is always a rational number. So, the set of rational numbers is closed under addition. Is the set of rational numbers closed under subtraction. multiplication,and division also? Explain.

    asked by Amelia on December 16, 2009
  94. Calculus

    The rectangles in the graph illustrate a left endpoint Riemann sum for f(x)=x^2/8 on the interval [4,8]. The value of this left endpoint Riemann sum is? The rectangles in the graph illustrate a right endpoint Riemann sum for f(x)=x^2/8 on the interval

    asked by Hailey on November 17, 2014
  95. Calculus

    The rectangles in the graph illustrates a left endpoint Riemann sum for f(x)=−(x^2/4)+2x on the interval [3,7]. The value of this left endpoint Riemann sum is? The rectangles in the graph illustrates a right endpoint Riemann sum for f(x)=−(x^2/4)+2x on

    asked by Hailey on November 17, 2014
  96. Calculus

    9) The rectangles in the graph illustrate a left endpoint Riemann sum for f(x)=(x^2/8) on the interval [4,8]. What is the value of this left endpoint Riemann sum? The rectangles in the graph illustrate a right endpoint Riemann sum for f(x)=(x^2/8) on the

    asked by Hailey on November 12, 2014
  97. Maths

    1. What is the Right Riemann Sum for f(x)=x−3 over the interval [8,11], with n=3 rectangles of equal width? 2. What is the right Riemann sum of f(x)=x+3 when using 3 rectangles in the range [−3,−1]? 3. What is the left Riemann sum of f(x)=−2x+1

    asked by S on June 1, 2014
  98. precal

    The smaller of 2 numbers is 10 less than 4 times the greater number. The bigger number is 19 more than the smaller one. If x is the smaller number one equation is: a)x+y=19 b)x=19-y c)y=x+19 d)x=y+19 I'm almost positive it is d I just want to check. A

    asked by eragon on January 16, 2007
  99. Algebra

    A stack of $20, $50, and $100 was retrieved as part of a police investigation. There were 36 more $50 bills than $100 bills. Also, the number of $20 bills was 8 times the number of $100 bills. If the total value of the money was $9240, find the number of

    asked by Alison on September 17, 2017
  100. Algebra II

    Given f(x)=x^3-7x^2+6x+14, what is the a. sum of its zeros? b. product of its zeros? c. sum of the squares of its zeros?

    asked by Sue on September 12, 2010