1. Math

    Question 1 Write the first four terms of the sequence whose general term is given. an = 3n - 1 Answer 2, 3, 4, 5 2, 5, 8, 11 -2, -5, -8, -11 4, 7, 10, 13 3 points Question 2 Write the first four terms of the sequence whose general term is given. an = 2(2n
  2. Maths - Series

    1(a)Glasses are piled upon each other to form a tower.The rows are numbered,beginning with the top row.There is a single glass in the top row,two glasses in row number 2,3 in 3;etc.This continues to the bottom of the tower.A tower is needed which uses a
  3. Precalculus

    The 8th term in an arithmetic sequence is 5, and the sum of the first 10 terms is 20. Find the common difference and the first term of the sequence. Alright so in an arithmetic squence the difference d between any two successive numbers is constant. So if
  4. statistics

    A friend offers you the following game: You will roll 2 fair dice. If the sum of the two numbers obtained is 2,3,4,9,10,11,or 12 the friend will pay you $20. However, if the sum of the two numbers is 5, 6,7, or 8, you pay your friend $20. This friend
  5. 10th grade

    The difference between two numbers is 25. The smaller number is 1/6th of the larger number. What is the value of the smaller number?
  6. algebra

    a number cube is rolled 10 times. an even number comes up 6 times. what is the experimental probability of an even number coming up?
  7. Math

    Two Consecutive even numbers are such that half of the larger number exceeds one-forth of the smaller number by 5.then the larger number is ?? 1)16 2)18 3)32 4)34
  8. Algebra

    If the absolute value of a negative number is 2.78, what is the distance on the number line between the number and its absolute value? can you help explain the answer. thanks
  9. Math

    The reciprocal of a number decreased by the reciprocal of twice the number is greater than or equal to 2. Find the number(s) for what this’s true
  10. math

    A certain number was increased 5 times, then decreased by 3, then halved. The result was 0.3 less than the original number. What was the original number?
  11. math

    If the " famas " of a number is equal to the number of perfect squares less than that number, what is the famas of 36 ? a. 5 b. 6 c. 7 d. 8 e. 9 please answer and explain
  12. algebra1

    One number is 6 less than another. If 10 times the smaller number minus 4 times the larger number is 12, find the two numbers.
  13. algebra

    The formula t(n+1)over 2 will determine a triangular number, where n is a natural number. For what value of n will the triangular number 325 be found?
  14. math

    Translate the following statement into an algebraic equation. Let x represent the number. 9 more than 10 times a number is 5 times that same number.
  15. Pre calculus

    For the equation 2x^2-5x^3+10=0 find the number the number of complex roots and the possible number of real roots.
  16. math

    Describe a situation in which it is better to round a mixed number up to the next whole number even if the fraction in the mixed number is closer to 1/2 than 1?
  17. math

    Shannon says my apartment number is a prime number. Which could be Shannons apartment number? 15 31 or 44 explain answer
  18. Maths

    Three numbers are in the ratio 2:3:5. The first number, second number reduced by 5 and the third number form an arithmetic sequence. Then the three numbers are
  19. Math-PLEASE help me

    If the absolute value of a negative number is 2.78, what is the distance on the number line between the number and its absolute value? Explain your answer.
  20. Chemistry

    What are the atomic number (z) mass number (a) and symbols of the carbon isotope with 7 neutrons. What is and how do I get the mass number?
  21. algebra

    One number is four times another. The larger number is also 87 more than the smaller. Find the numbers. Choices for smaller number: 29,30,33
  22. MATH

    TWO NUMBER CUBES AREROLLED AT THE SAME TIME . WHAT IS THE PROBABILITY THTA BOTH NUMBER CUBES WILL SHOW AN EVEN NUMBER
  23. Math

    One number is twice the other.when the larger number is subtracted from 50.the result is two more than the smaller number subtracted from 40. Find the numbers
  24. chemistry

    the mass number of an element is 18 it contains 7 electrons what is the number of protons and neutrons in it what is atomic number of an element.
  25. Math

    Any number divided by itself is equal to? a. the original number b. the square of the original number c. one d. zero I belive the answer is one c.
  26. math

    Eleven more than twice a number has the same value as 8 times 'the difference of the number and 5'. (Remember that 'difference' means to subtract). What is the value of the number?
  27. Pre algebra

    Which of these nonterminating decimals can be converted into a rational number A 0.48907542 repeating B 0.02020202 repeating C 0.92589542 repeating D 0.10203040 repeating ******* Paul is painting a square wall with an area of 115 square feet. To the
  28. Math

    an = 3n - 1 Answer 2, 3, 4, 5 2, 5, 8, 11 -2, -5, -8, -11 4, 7, 10, 13 3 points Question 2 Write the first four terms of the sequence whose general term is given. an = 2(2n - 3) Answer -6, -2, 2, 6 -1, 1, 3, 5 -2, -4, -6, -8 -2, 2, 6, 10 3 points Question
  29. math

    True or false 1.) The set of integers contains the set of rational numbers 2.)Every repeating decimal is a rational number 3.)Every square root is an irrational number 4.) the set of whole numbers contains the set of rational number 5.)every terminating
  30. College Algebra

    The number of bacteria in a certain culture increased from 500 to 1000 between 7:00 A.M. and 9:00 A.M. Assuming growth is exponential, the number f(t) of bacteria t hours after 7:00 A.M. is given by f(t) = 500(2)^t/2. (a) Estimate the number of bacteria in
  31. Finance

    Mooncorp Insurance has quoted you an annual premium to insure your car of $3100. You are offered a 15% discount if you pay the lump sum immediately. They also offer an alternative payment method. You can pay the account in full by making 12 equal beginning
  32. Physics/Math

    What is the sum of the following four vectors in unit-vector notation? For that sum, what are (b) the magnitude, (c) the angle in degrees, and (d) the angle in radians? E: 6.36 m at +0.90 rad F: 4.52 m at -75 ° G: 3.31 m at +1.20 rad H: 5.4 m at -210 °
  33. math

    where N is the number of millions of passenger cars in the United States and t is the number of years after 1940. In what year was the number of passenger cars triple the number of cars in 1940?
  34. Math

    The difference between two numbers is 33. If three times the larger number is subtracted from six times the smaller number the difference is 18. Find the smaller number. 6n-3(n+33)=18 <--- equation answer: n= 39 <--- the smaller number!!
  35. logic

    Ali and Zoe reach into a bag that they know contains nine lottery balls numbered 1-9. They each take one ball out to keep and they look at it secretly. Then, they make the following statements, in order: Ali: "I don't know whose number is bigger." Zoe: "I
  36. knott central high school

    Create a flowchart OR a pseudocode that shows the logic for a program that generates a random number, then asks the user to think of a number between 1 and 10. Then display the randomly generated number so the user can see whether his or her guess was
  37. Algebra

    One number exceeds another by 4. If three times the larger number is divided by the smaller number, the quotient is 4 and the remainder is 5. Find the numbers. (I am trying to figure out how to explain how to do this to my son. He is struggling and will be
  38. physics

    Vector V1 is 6.4 units long and points along the negative x axis. Vector V2 is 8.9 units long and points at 60 degrees to the positive x axis 1) find x and y components of v1 and v2? 2) find magnitude of the sum v1+v2? 3) find the angle of the sum v1+v2? I
  39. Math

    When you solve the system shown by the elimination method, which statement is true? y + 3x = 10 −y − 3x = 10 A. You eliminate y; the sum of the coefficients of y is zero. Then, you can solve for x. B. There is no solution; x and y are
  40. math

    A single, standard number cube is tossed. What is the probability of getting a number other than 6? A game involves spinning this spinner. What is the probability of the pointer landing on Y? The table shows the color preferences of 50 shoppers at the
  41. Physics

    In the sum A+B=C, vector A has a magnitude of 10.2 m and is angled 48.0° counterclockwise from the +x direction, and vector C has a magnitude of 15.0 m and is angled 22.0° counterclockwise from the -x direction. What are (a) the magnitude and (b) the
  42. calculus

    The rate at which a rumor spreads through an Alpine village of 400 residents is jointly proportional to the number of residents who have heard it and the number who have not. Initially, 5 residents heard the rumor, but 4 days later this number increased to
  43. Physics (CHECK)

    One student is pushing on a chair with a force of 260.6 N directed at an angle of 30 degrees above horizontal while a second student pushes on the same side of the chair with a force of 21.0 N at an angle of 15 degrees below horizontal. What is the
  44. math

    please help! find 3 consective numbers with a sum of 12. find three consective numbers with a sum of 45
  45. algorithm

    can someone tell me if this is correct. Write an algorithm that will display the sum for a given number of squares. In other words if the user enters the value 5, then the output should be 1^2 + 2^2 + 3^2 +4^2 + 5^2 = 55. sumsquare integer square integer
  46. math

    The ratio of mystery books to the number of science fiction books is 4:3. The number of sci-fi books to the number of biographies is 4:5. If there are 48 sci-fi books what is the total number of books
  47. Math

    The average of X numbers is 15. If the sum of the X numbers is 90, what is the value of X? A)5, B)6, C)8, D)15 or E)75 What is the correct answer and how do you set up the equation? The answer is b)6 because if there are 15 average numbers and the sum is
  48. physics

    vector (V1) is 6.3 units long and points along the negative (X) axis. Vector(V2) is 9.0 units long and points at 55 degree to the positive (X)axis. 1- What are the (X) and (Y) components of (V1) vector ? 2-What are the (X) and (Y) components of(V2) vector
  49. chemistry

    How do you calculate the % empty sapce in 100mL of air. Using Avogadro's number(6.02x10^23) and the average volume of O2 and N2(3.8x10^-24 cm3/molecule). I think you can use the ideal gas law but am not really sure how to do it. I also have a similar
  50. physics

    Vector is 6.3 units long and points along the negative axis. Vector is 9.0 units long and points at 55 to the positive axis. 1- What are the and components of vector ? 2-What are the and components of vector ? 3-Determine the magnitude of the sum .
  51. physics

    Vector is 6.3 units long and points along the negative axis. Vector is 9.0 units long and points at 55 to the positive axis. 1- What are the and components of vector ? 2-What are the and components of vector ? 3-Determine the magnitude of the sum .
  52. 5th grade math help

    my mommy and daddy cant explain explain what is wrong with the reasoning number 5 is a composite number because it has the factors 2 and 2.5 i know its a prime number but i cant explain the answer to the question above.
  53. Math

    i^6 = (i^2)^3 = (-1)^3 = -1 The square, not the square root of -1 is 1. :) B.t.w., can you prove that -1 times -1 is 1? Hint, try to prove first that for any number X: -1 times X equals -X How do you find the square root of -1? The square of any real
  54. physics

    consider a massless cord attached at both ends to hooks in a ceiling. A 20 kg mass is then suspended from the first cord by a second cors. The angles made by the cord with the ceiling are 40 degrees (left angle) and 25 degrees (right angle). Find the
  55. Chem

    I have look and read and I still cant figure the couple out can someone please help? Number of orbital’s in the 2p subshell? And Number of electrons in 3d subshell? Number of electrons in a 3p orbital? Subshell block begins to fill after 4s2? Number of
  56. Chem

    I have look and read and I still cant figure the couple out can someone please help? Number of orbital’s in the 2p subshell? And Number of electrons in 3d subshell? Number of electrons in a 3p orbital? Subshell block begins to fill after 4s2? Number of
  57. science

    How are all atoms of iron different from the atoms of all other elements? A.number of neutrons B.charge on the atoms C.mass number D.number of protons I guessed. I knew the answer. 123456789101112131415161718192021
  58. Tcp

    Host A and B are communicating over a TCP connection, and Host B has already received from A all bytes up through byte 126. Suppose Host A then sends two segments to Host B back-to-back. The first and second segments contain 70 and 50 bytes of data,
  59. Math

    Jade counted the number of the students on each sports time at her school and the number of wins the team had last season. If she displays her data on a scatter plot, what type of relationship will she most likely see between the number of students on a
  60. Precalculus - check answer

    The rate of U.S. per capita sales of bottled water for the period 2000-2010 could be approximated by s(t) = −0.18t2 + 3t + 15 gallons per year (0 ≤ t ≤ 10), where t is time in years since the start of 2000. Use a Riemann sum with n = 5 to estimate
  61. java programming

    Create a program that will generate lottery numbers for the user. There are two types of numbers in the lottery, the standard numbers 1-43 and the power ball number 1-60.There are three different lottery games, a three number game, a five number game with
  62. Pre Algebra

    A number is divided by -4, then multiplied by -5. The result is 40. What is the number? I had problem finding a formula for it. And this one was also like it. A number is multiplied by -8, then divided by -4. The result is 4. What is the number?
  63. Math

    the banks contains quarters , dime and nickels. The number of dimes is 1 less than the number of nickels. The number of nickels is 2 more than twice the number of quarters. The coins are worth $5.70. How many nickels are there?
  64. Math Question

    A Teacher gives each student a number. She tells the students to line up according to their number. Some students had trouble doing this. What knowledge of number operations are the students missing? Is the answer ordinal numbers?
  65. math

    The atomic number of cadium is half the atomic number of curium. Define a variable and write an expression for the atomic number of cadmium. I'm working in a group with my friends and we need help we're not the same people.
  66. math

    The atomic number of cadium is half the atomic number of curium. Define a variable and write an expression for the atomic number of cadmium. I'm working in a group with my friends and we need help we're not the same people.
  67. Math

    TRUE OR FALSE ? Justify your answer. a. There exist real numbers a and b such (a+b)^2 = a^2 + b^2. b. For any real number x, there exists a unique number -x such that x + (-x) = 0. c. Any integer n is either odd or even. d. Any real number x can be written
  68. math

    The atomic number of cadium is half the atomic number of curium. Define a variable and write an expression for the atomic number of cadmium. I'm working in a group with my friends and we need help we're not the same people.
  69. algebra

    A midweseren music competition awarde 34 ribbons. The number of blue ribons awarded was 2 less than the number of white ribbons. THe number of red ribons was 3 more than the number of white ribbons. How many of eah kind of ribbon awarded
  70. Math

    Apples are sold in cartons of 25. David bought home 2 cartons an found 3 rotten apples in the first carton. There were thrice as many rotten apples in the second carton. 1. Find the probability of randomly selecting a good apple from carton 2. 2. If 2
  71. mathematics

    The cafeteria has 144 bananas, 36 pears, and 72 apples. Each student gets the same number of pieces of fruit. What is the greatest number of students who can receive fruit? The 48 members of a chorus will sit in rows in front of the 300 members of the
  72. Math

    In a little town in West Michigan lives a math professor, who hears one day that the barber has three children. So, on the next visit to the barber, the professor casually inquires, "I have heard you have three children, is that right?" "Yes!" says the
  73. 3rd grade math

    jake has an even number of counters. carlos has an odd number of counters. how many more counters do they need to divide the combined total into an even number of groups?
  74. chem1 WORD PROBLEM!!

    lead has an atomic number of 82;iron has an atomic number of 26; and copper has an atomic number of 29.how do the charges of the nuclei of these 3 elements compare?
  75. Math

    How is total revenue change from budget calculated. I take the actual number with the budget number and add or subtract them together and divide by the budget number? I'm lost can you help please?
  76. S.S

    In the election of 1856, Millard Fillmore was the Know-Nothing candidate and received 21 percent of the popular vote. What conclusion could be drawn from this fact? A. A significant number of people opposed slavery. B. A significant number of people were
  77. maths

    An arithmetic progression has 10 terms. Sum of the 10 terms is 220. Sum of the odd terms is 100. Find the first term and common difference. pl give me the answer. maths - Steve Monday, July 17, 2017 at 12:11pm 10/2 (2a+9d) = 220 5/2 (2a+4*2d) = 100 maths -
  78. probability

    A fair coin is flipped independently until the first Heads is observed. Let K be the number of Tails observed before the first Heads (note that K is a random variable). For k=0,1,2,…,K, let Xk be a continuous random variable that is uniform over the
  79. math

    Taxicab Distances Problem. Imagine that the grid lines on a coordinate grid are streets and that the distance between two points must be measured by the number of “blocks” a taxicab would have to travel horizontally and vertically to get from one point
  80. 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
  81. Math

    What is the mean number of votes for the snow cone flavors? Cherry 40 Strawberry 7- Grape 30 Lime 20 Rainbow 40 A.180 B.36 C.40 D.18 C The range of a set of numbers is 52. The number with the greatest value in the set is 248. What is the number with the
  82. math

    For an 18 month period, the last term is and the series sum is . For a 24 month period, the last term is and the series sum is . For a 30 month period, the last term is and the series sum is .
  83. chemistry

    The power of the equation ΔG° = –RT ln(K) is that K can be determined from tabulated values of ΔG°f. Use the tabulated values of the Gibb's energy to determine K for the reaction, 2AB(l) ↔ 2A(g) + B2(g), at 298K. (R=8.314 J/K mol or
  84. Math

    The sum of two numbers is 112. The second is 7 more than 4 times the first. What are the two numbers? Am I doing something wrong? I seem to be stuck. x + y =112 (x+7)4y=112 The second equation should be: y+7=4x Should be the 2nd equation. The 2nd one: y is
  85. math grade 5

    My sister in grade 5 needs help but i dunt exactly know how to do the answers myself, so if someone can help me out i can explain to her better. Thanks 3. You are using a tree diagram with 12 branches to show the possible outcome of a probability
  86. Math

    How do I figure out this question? Is there a formula I need? For which of the following sets of line segments is it possible to consturct a triangle? 1. Sides of length 17cm, 18 cm,and19 cm 2. Sides of length 11m, 18m, and 6 m 3. Sides of length 46ft,
  87. math

    Jennifer is playing a game that involved rolling a fair number cube. She rolled the number 2 twelve times. What is the best prediction of the number of times she will roll a 2 if she rolls the dice 100 times?
  88. Math

    I am confused with this problem could someone please explain? Taxicab Distances Problem. Imagine that the grid lines on a coordinate grid are streets and that the distance between two points must be measured by the number of "blocks" a taxicab would have
  89. Check answers please?

    Use g=10 N/kg in this assignment. 1. What is the gravitational energy (relative to the unstretched surface of the trampoline) of the 20 kg ball at its apex 2 m above the trampoline? I got 400 J 2. What is the kinetic energy of the ball just before
  90. Calculus :)

    The number of bacteria in a culture is modeled by n(t)=1550e^(0.24t) (a) The initial number of bacteria is _____ (b) The relative rate of growth of this bacterium population is _____ (c) The number of bacteria after 3 hours is _____ (d) After how many
  91. math

    A number cube with the numbers 1 through 6 is rolled. find the given probability P(number < 2) (1 point) 1/6 2/6 *** 4/6 3/6 2. P(number ≥ 3) (1 point) 4/6 1/6 2/6 5/6 I think it's A .. I'm not quiet sure. please help 3. P(complement of 4) (1
  92. Math

    There are four kinds of road signs in a certain town. The number of each kind is shown. What is the ratio of the number of school signs to the number of stop signs?
  93. math

    The atomic number of cadium is half the atomic number of curium. Define a variable and write an expression for the atomic number of cadmium.
  94. population

    the number of students at Maria's school decreased to 98% of last years number. currently, there are 1,170 students . how many students were there last year? round to the nearest whole number.
  95. calculus

    A magician writes a list of numbers, 1 through 10, on the board then turns his back to the board. Two audience members are asked to write different numbers from 1-10 in the first two spaces. One of the spectators adds the two numbers and places the result
  96. math

    Regis has a bag with 8 tiles numbered 1 through 8. He randomly draws one tile from the bag without looking.Which of the following decribes a likely outcome? a. He selects a tile with the number 0. b. He selects a tile with the number 4. c. He selects a
  97. Chemistry

    Which of the following statements must be True? Check all that apply. The number of Adenines in single-stranded DNA equals the number of Thymines. The number of Guanines in single-stranded DNA equals the number of Adenines. The number of Thymines in
  98. math

    bill and anig both have baseball cards. aniq has four times as many cards as bill. the number of cards aniq has is equal to the number of cards that bill has plus 60. determine how many cards aniq has. This becomes a direct translation of the "English"
  99. Physics -- check answers please

    Use g=10 N/kg in this assignment. 1. What is the gravitational energy (relative to the unstretched surface of the trampoline) of the 20 kg ball at its apex 2 m above the trampoline? I got 400 J 2. What is the kinetic energy of the ball just before
  100. math

    Boris has a coin and a number cube. The number cube is labeled 1-6. He flips the coin once and rolls the number cube once. What is the probability that the coin lands tails up and the cube lands on a even number? A. 2/3 B. 1/4 C. 1/12 D. 1/6 How do i solve