1. math

    An experiment consists of rolling a weighted die. The probability of rolling each number is: Pr[1]=0.2 , Pr[2]=0.15 , Pr[3]=0.25 , Pr[4]=0.15 , Pr[5]=0.05 , and Pr[6]=0.2 . On the first roll, you record if the number is Small (1,2) or Large (3,4,5,6). If
  2. algebra

    Take any number other than 1. Square that number and then subtract 1. divide by one less than your original number. now subtract your original number. you should end up at one. how does this work?? Rewrite and use a variable instead of and actual number
  3. 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
  4. 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
  5. algebra 2

    If a sum of money is deposited in a savings account that is paying x percent annual interest the this sum of money increases by a factor of(1+x) squared after 2 years. multiply this expression. evaluate the polnomial expression found in part A for an
  6. finding numbers

    The sum of two positive numbers is 20. Find the numbers if the sum of their squares is as large as possible; as small as possible. What does it mean? This is from applications of derivatives. How do I solve this. Two numbers, x, and 20-x Sumsquares= x^2 +
  7. Algebra 2

    Q: Write a quadratic equation with integral coefficients whose roots are -6+i and -6-i My Answer: x^2+12x+37 (first) sum=-12 product=37 (then) write equation using formula x^2-(sum)x+product Is my work and answer correct?
  8. 4th Grade Math: Help Is Needed ASAP

    My son is in the fourth grade and is needing help with these math problems. Can someone please help him with these problems. 1. 2/3+2/9= 2. 3/5+3/10= 3. 5/12+1/3= 4. Find the sum of 1/6 and 1/12 5. Add 1/4 to the answer in Exercise 4. 6. What is the sum of
  9. Math

    The sum of multiples of 6 between 6 & 999? I got 83166, but my answer key says 82665.. Is my answer wrong? I used the term formula to find 166 terms multiples of 6, and then the sum formula to get 83166.
  10. Lisa

    The square of the sum of 2x and 3y is equal to the sum of the square of y and the square root of x. Which of the following represents this statement? I got: (2x + 3y)^2 = y^2 + √x But the correct answer choice is (2x + 3y)^2 = y^2 + x^2 I don't
  11. math

    What is the smallest of three consecutive integers if the sum of the smaller two integers is equal to 177 less than four times the largest? Note: Consecutive integers are integers that come one after the other. For example: -3, -2 and -1 or 14, 15 and 16.
  12. Algebra Please Help

    Find the sum of integers c for all triples of integers (a,b,c),a≤b≤c, that satisfy the system of equations a^2−bc=91 b^2−ac=91 c^2−ab=91 Details and assumptions If a number c appears in several different triples (a,b,c), it
  13. math

    What is the smallest of three consecutive integers if the sum of the smaller two integers is equal to 177 less than four times the largest? Note: Consecutive integers are integers that come one after the other. For example: -3, -2 and -1 or 14, 15 and 16.
  14. 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
  15. Economics

    You are a utilitarian social planner and have a very limited number of vaccines to a new and potentially deadly virus. How do you allocate them? Do you: (A) give them to specific groups, such as high-risk populations, or (B) sell them to the highest bidder
  16. economics

    You are a utilitarian social planner and have a very limited number of vaccines to a new and potentially deadly virus. How do you allocate them? Do you: (A) give them to specific groups, such as high-risk populations, or (B) sell them to the highest bidder
  17. economics

    Help please You are a utilitarian social planner and have a very limited number of vaccines to a new and potentially deadly virus. How do you allocate them? Do you: (A) give them to specific groups, such as high-risk populations, or (B) sell them to the
  18. Medical Billing

    What is needed to determine a facility's CMI? A. The relative weight, sum of all discharges, and hospital base rate B. The hospital base rate and DRG relative weight C. The relative weight of a specific DRG and total discharges for that DRG D. The sum
  19. Medical

    To determine a facility's CMI you need which of the following? A. The relative weight of a specific DRG and total discharges for that DRG B. The sum total of all DRG weights and sum of all discharges C. The relative weight sum of all discharges, and
  20. One more Question helpppp plz!!

    When you divide a number by 1/2, the result is A) half the original number.*** B) twice the original number. C) 50% of the original number. D) 100% of the original number.
  21. algebra 1

    a number and its absolute value are equal.if you substract 2 from the number, the new number and its absolute value are not equal. what do you know about the number? what is a possible number that satisfies these conditions? Can you help answer these 2
  22. Math

    Laverne starts counting out loud by 5's. She starts with 7. As Laverne counts, Shirley sums the numbers Laverne says. When the sum finally exceeds 5000, Shirley runs screaming from the room. What number did Laverne last say before Shirley flees?
  23. Math

    Laverne starts counting out loud by 5's. She starts with 7. As Laverne counts, Shirley sums the numbers Laverne says. When the sum finally exceeds 5000, Shirley runs screaming from the room. What number did Laverne last say before Shirley flees?
  24. Math

    Laverne starts counting out loud by 5's. She starts with 7. As Laverne counts, Shirley sums the numbers Laverne says. When the sum finally exceeds 5000, Shirley runs screaming from the room. What number did Laverne last say before Shirley flees?
  25. Physics

    A uniform ladder of mass m is 2.5 m long. Its upper end leans against a frictionless wall. The coefficient of static friction between the ladder and the floor is 0.58. How far from the wall can the lower end be placed before the ladder starts to slip?
  26. Math

    Akash distributed Rs. 180 in equal sums among a certain number of people. Bhaskar also distributed the same sum but gave Rs 6 more to each person . In doing so Bhaskar got the blessings of 49 persons less than Akash . How much Akash give to each person?
  27. biology

    When considering the incresing complexity of atoms, molecules, cells, and tissues, you may notice that each step characteristics that were absent in the previous level. These characteristics, called emergent properties, demonstrate that the whole organism
  28. Math - Algebra

    The number 350 is separated into three parts (numbers). Dividing the first number by the third will give 2 and dividing the second number by the pfirst number will give 5 and a remainder of 25. Find the three numbers. Andy has 145 coins in his coin bank.
  29. science

    How can atoms of two elements that have a different number of protons have the same charge? A.by also having a different number of neutrons B.by also having a different number of electrons C.by having the same mass number D.by being the same size atoms
  30. science

    How can atoms of two elements that have a different number of protons have the same charge? A. by also having a different number of neutrons B. by also having a different number of electrons C. by having the same mass number D. by being the same size atoms
  31. science

    How can atoms of two elements that have a different number of protons have the same charge? A.by also having a different number of neutrons B.by also having a different number of electrons C.by having the same mass number D.by being the same size atoms
  32. maths

    my number is larger than 350. but smaller than 425. it has double the number of hundreds in the tens place. its ones number is 2 less than its tens number.
  33. maths

    my number is less than half of a thousand. it is made up of odd numbers only. its tens number is half way between the hundreds number and the ones number in size.
  34. Math

    A sum of money is shared among three brothers. The eldest receives 7/13 of it and the 13 next receives 2/3 of the remainder. If the youngest brother receives $6, find the sum of money shared.
  35. math

    A sum of money is shared among three brothers. The eldest receives 7/13 of it and the 13 next receives 2/3 of the remainder. If the youngest brother receives $6, find the sum of money shared.
  36. math

    The third term of a G.P is 24 and the sum of the first two terms is 288. If all the terms are positive,find a)the first term and the common ratio b)the sum of all the terms from 4th term to the 8th term
  37. information technology

    Write a puesdocode to read the marks of a number of students who took an examination, terminated by the mark 101. The psuedocode should count the number of students who pass and the number of students who fail. The pass mark is 60%. Finally the psuedocode
  38. 2nd grade

    Okay, my child is doing problem solving lesson 5-7 in scott foresman addison wesley book. The question that we are having a problem with is a number line. there are 10 spaces in the number line and the clues are: Clue 1: the number are between 70 and 82
  39. information technology

    Write a puesdocode to read the marks of a number of students who took an examination, terminated by the mark 101. The psuedocode should count the number of students who pass and the number of students who fail. The pass mark is 60%. Finally the psuedocode
  40. Math

    Repeat the following procedure for the four given numbers. Add 7 . Double the result. Subtract 4 . Divide by 2. Subtract the original selected number. The 1st number is 1 . The result is 5 . The 2nd number is 4 . The result is 5 . The 3rd number is 7 . The
  41. maths

    my number is less than 100 one more than a multiple of 3 one of its digits is prime if you reverse its digits you get a prime it has exactly four factors the sum of digits is prime if you miltiply it by 5 it is greater than 100
  42. 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)
  43. math

    4th grade math homework. rounding sums and differences. paper say "round each number to its highest place. then estimate the sum or difference." example says 92 +28= then says round to 90 and 30 to make 120. further down numbers get larger 12646 + 9103= do
  44. Math

    1. The length of a rectangle is 6 inches longer than thrice its width. The area of the rectangle is 57 square inches. Write a quadratic equation for the area of the floor in terms of x. Find the length and width of the rectangle. 2. If 1,500 ft of fencing
  45. Math cars and SUVs

    The number of cars is larger than the number of sport utility vehicles by 94.7%. The difference between the number of cars and the number of suv is 18. Find the number of suv
  46. algebra

    A box contains $7.80 in nickels, dimes, and quarters. There are 46 coins in all, and the sum of the numbers of nickels and dimes is 2 less than the number of quarters. How many coins of each kind are there?
  47. Physics

    A 0.13 kg meter stick is held perpendicular to a wall by a 2.6 m string going from the wall to the far end of the stick. (a) Find the tension in the string. _________N (b) If a shorter string is used, will its tension be greater than, less than, or the
  48. Chemsitry II

    mole fraction is equal to partial pressure divided by the total pressure Total pressure= sum of partial pressure use PV=nRT where n= number of moles equation become PV/RT=n make sure to convert the temperature to Kelvin and to use 0.0821 for R. V=volume,
  49. Maths

    I am an odd number between 5000 and 5999.The number in the thousands place is odd and is between 3 and 7 and the number in the tens place is a multiple of 4 which is greater than 4,the number in the hundreds place is equal to 3 squared and the number in
  50. math

    What is the smallest of three consecutive integers if the sum of the smaller two integers is equal to 177 less than four times the largest? Note: Consecutive integers are integers that come one after the other. For example: -3, -2 and -1 or 14, 15 and 16.
  51. Math

    I am thinking of a number. If you multiply my number by 6 and then subtract 35, you will get my number. What is my number?
  52. science

    if a number is not an irrational number then it is s) a rational number b) a integer c) a whole number
  53. math Help!!!!!!

    If a number is not a rational number, then it is A. An integer B. An irrational number C. A whole number B? Thanks
  54. Math

    My number is greater than 10 but less than 70. The number has 2 in the tens place. The number is 10 less than 45. What is my number?
  55. Math

    A sum of money is shared among three brothers. The eldest received 7/13 of it and the second brother receives 2/3 of the remainder. If the youngest brother receives $200, find the sum of money shared.
  56. Geometry

    Use the Law of Detachment to write a valid conclusion for the given information. 1.If two angles are supplementary, then their measures have a sum of 180. 2.Angle X and Angle Y are supplementary. Would the conclusion be this? Thanks -The sum of X and Y is
  57. COMBINATION!!MATH!!!hurryyy!!!

    Cards are drawn at random from a 52-card deck. Find the number of different 5-card poker hands possible consisting of 3 aces and 2 kings? i don't knw how to do this kind of problems..can anyone teach me??? Forget about the fact that there are 52 cards in a
  58. math

    please can u tell me the term to term rule to this question 0,1,3,6,10,15,21 {nth} thank u Those are the triangular numbers, except your sequence started with 0 and we usually start with 1. 0= 1*(1-1)/2 term 1 1= 2*(2-1)/2 term 2 3= 3*(3-1)/2 term 3 6=
  59. English expression

    What Number is Mike? He is Number 71. What number is Mike? He is number 71. Which one is correct? Do I have to capitalize number?
  60. Math

    Find the positive number such that 1/2 of the number multiplied by 1/3 of the number, multiplied by 1/6 of the number is equal to the number itself.
  61. Math

    Tell whether each statement is never, sometimes or always true. a- An integer is a whole number b- A whole number is a rational number c- A rational number is a whole number
  62. 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
  63. Math

    Three linear equations are given below. The first is in slope intercept form, the 2nd is in point-slope form and the 3rd is in standard form. Each equation has a slope. What is the sum of the three slopes. 1.y = -2x + 5 2.y + 7 = 6(x − 3) 3.4x
  64. math

    to win 1 million dollars,you must draw two cards whose sum is 9 , from a stack of cards numbered 1 though 10 .After the first draw, you replace the card and shuffle the stack again for for the second draw. Wat is the chance your two cards will have a sum
  65. algebra

    Find two consecutive positive integers such that the sum of their squares is 85. n^2+(n+1)^2+2n = 85 n^2+n^2+2n+1=85 2n^2+2n=84 n^2+n=42 n^2+n-42=0 (n-6)(n+7)=0 n=6 n=-7 Is my work and answer correct? -7 is not a positive integer. Your first equation is
  66. Pre Cal/Vectors

    Can someone show the steps involved in figuring out this type of problem? Given the magnitudes of vectors u and v and the angle Ό between them, find the magnitude of the sum u + v to the nearest tenth and the angle that the sum vector makes with u to
  67. Math

    In each case, determine whether the situation calls for a discrete or continuous random variable and explain your answer. Please help! a. The description of the number of children in a family selected at random from families in Ft. Wayne, Indiana b. The
  68. data management gr.12

    A game is defined by the rules that the die is rolled and the player wins varying amounts depending on the number on the upper face according to the following table: sum 1 2 3 4 5 6 Winnings $10 $9 $8 $7 $6 $5 The cost to play the game is $7.00 a) what can
  69. 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???
  70. Math

    Label each statement TRUE or FALSE. a. The sum of two one-to-one functions is one-to-one. b. The product of two one-to-one functions is one-to-one. c. If f is a one-to-one function and k is a real number (constant), then the function g(x)=k*f(x)is
  71. Algebra

    My science class is pretty small. There are just 18 students in the class. My teacher, Mr. Burnett, has an unusual system for picking lab partners. He has given each student a number from 1 to 18, and on lab days, he pulls two numbers out of a bag to match
  72. algebra

    My science class is pretty small. There are just 18 students in the class. My teacher, Mr. Burnett, has an unusual system for picking lab partners. He has given each student a number from 1 to 18, and on lab days, he pulls two numbers out of a bag to match
  73. 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?
  74. 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?
  75. math

    find the sum of 2 1/2 and 2/5 which of the following makes the statement true? 1/5^0 the area of a certain state is 840,000 square miles. what is this area in scientific notation? which is irrational? A. 0.11711711711... B. o.8596873205... C.
  76. math

    This is the sequence 1,3,6,10,15 the pattern is addin 1 more than last time but what is the name for this pattern These are called the triangular numbers The sequence is 1 3=1+2 6=1+2+3 10=1+2+3+4 15=1+2+3+4+5 You can also observe this pattern x _________
  77. 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.
  78. 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.
  79. math

    Lucy is thinking of a number. The number is greater than two hundred twenty-five. Her number is less than 2 hundreds 2 tens 7 ones. What is Lucy's number?
  80. physics

    A uniform plank of length 5.6 m and weight 203 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 440 N walk on the overhanging part of the plank before
  81. 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
  82. math

    Make the largest and smallest numbers you can find using the digits: 4,1,7,8,5 and 2. Find their difference and sum. 1. I do not know if I have to use all the digits. 2. If I do not need to use all of the digits won't there be a lot of the numbers. 3.I do
  83. Math

    To win one million dollars, you must draw two cards whose sum is nine, from a stack of cards numbered through 10. After the first draw you replace the card and shuffle the stack again for the the second draw. What is the chance that your two cards will
  84. Algebra (Verbal Expressions- More Difficult)

    The sum of 6.5 times u, 5 and -2. plus the product of 3.5 and x is equal to the result of adding x, 4.5 times y and -10. The sum of x and y plus the result of adding z and 8.5 equals 2 times x plus -3 times y plus the result of multiplying 5 by u plus -7..
  85. Pre-Calculus

    Q.Determine the sum of each infinite geometric series. t_1= 8 r = -2^1/2 ---------------------------------------- A.This is a divergent series because the absolute value of r is greater than 1. ---------------------------------------- Q. The first term of
  86. Math

    Three boys and three girls all celebrate their birthday today, but they are each different ages. The youngest is 1 years old. The sum of the ages of the three girls is the same as the sum of the ages of the three boys. What is the smallest possible total
  87. calculus

    find the definite integral that is equivalent to lim n->infinity of sum over i=(1,n) n/(n^2+i^2) since definite integral of f(x) dx over (a,b) = lim n->infinity sum over i=(1,n) f(a + (b-a)i/n) * (b-a)/n then: f(a + (b-a)i/n) * (b-a)/n = n/(n^2+i^2)
  88. Geometric series

    The sum of the first five terms of a geometric series is 186 and the sum of the first six terms is 378. if the fourth term is 48, determine a(first term),r(ratio), t10, S10.
  89. maths

    In an arithmatic sequence, sum of 9 terms is 279 and sum of 20 terms is 1280. Find 5th term ? Find 16th term ? Write the sequence.
  90. Math.

    Use the distributive property of multiplication over addition to rewrite the sum as a product of two factors, where one of the factors is a sum. 20a2 - 16a - 8 A) a(20a2 - 16a - 8) B) 4(5a2 - 4a - 2) C) 4(5a2 - 4 - 2a) D) 4a(5a - 16 - 8a)
  91. Calculus

    A wire of length 12 meter is cut into two parts; one part is bent to form a square, and the other is bent to form an equilateral triangle. Where the cut cut should be made if a) the sum of the two areas is to be a maximum? b) the sum of the two areas is be
  92. Math

    Post a New QuestionCurrent Questions Homework Help: Math Posted by Anonymous on Wednesday, November 11, 2015 at 7:08pm. 3. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number**** A whole number a radical 4.Mrs.
  93. 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.
  94. 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
  95. math, algebra

    How can i solve for this would it best to factor or use the quadratic formula. solve: x^2+2x-8=0 How about for this problem as well: solve : x^2+7x-1 = 0 in the first, can you think of two multipliers of -8 that have a sum of 2?? how about 4 and -2 so it
  96. 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
  97. insurance prep

    1. The information for Blocks 1 9 on the CMS-1500 can be obtained Customer Question Ask your own question now > 1. The information for Blocks 1–9 on the CMS-1500 can be obtained from the A. ledger card. B. medical treatment record. C. confidential
  98. math

    Two people have 10 dollars to divide between themselves. They use the following procedure Each person names a number of dollars (a nonnegative integer), at most equal to 10. If the sum of the amounts that the people name is at most 10, then each person
  99. Excel

    When I use the sum button it gives me the wrong answer but when I times it comes out right. How do I put the total in the total column? Please help if you know how use excel! Cost/Units Number of Units Total Cost $0.99 40 $2.99 25
  100. Please can you help me (Probability)

    Maria is playing a game of chance at the Hibiscus festival, costing $1 for each game. In the game two fair dice are rolled and the sum of the numbers that turn up is found. If the sum is seven, then Maria wins $5. Otherwise Maria loses her money. a) Please