suppose that 3

11,541 results

  1. Physics

    Suppose that a simple pendulum consists of a small 66.0 g bob at the end of a cord of negligible mass. Suppose that the angle between the cord and the vertical is given by θ = (0.0800 rad) cos[(4.30 rad/s)t + ϕ] (a) What is the pendulum's length? (b)

  2. calculus

    Question: "Plutonium isotope Pu-239 has a half-life of 24,100 years. Suppose that 10 grams of Pu-239 was released in the Chernobyl nuclear accident. How long will it take for the 10 grams to decay to 1 gram?" I know that I am suppose to use y= ye^kt , to

  3. Probability

    1.Let 𝑋 and 𝑌 be two binomial random variables: a.If 𝑋 and 𝑌 are independent, then 𝑋+𝑌 is also a binomial random variable b.If 𝑋 and 𝑌 have the same parameters, 𝑛 and 𝑝 , then 𝑋+𝑌 is a binomial random variable c.If 𝑋

  5. Math

    A drug testing company advertises a test for steroids that is 93.5% effective at detecting steroid use. It has a true negative effectiveness of 93.5%. Suppose 8% of 10,000 professional cyclists are believed to be using steroids. Suppose the haplessly named

  6. Linear Algebra

    Suppose T: ℝ3→ℝ2 is a linear transformation. Let U and V be the vectors given below, and suppose that T(U) and T(V) are as given. Find T(U+2V). U = [1, -2, -1]^T V = [2, -2, -5]^T T(U) = [-1, 8]^T T(V) = [3, 13]^T

  7. calculus

    Consider the graphs of y = 3x + c and y^2 = 6x, where c is a real constant. a. Determine all values of c for which the graphs intersect in two distinct points. b. suppose c = -3/2. Find the area of the region enclosed by the two curves. c. suppose c = 0.

  8. physics

    Suppose that a party balloon is spherical, has a radius of 16 centimetres and is filled with helium. Furthermore suppose that we do our experiment under standard atmospheric conditions, when the air density is \(\rho = 1.225 kg/m^3\). How many of these

  10. Linear Algebra

    Suppose T: ℝ2→ℝ3 is a linear transformation. Let U, V and W be the vectors given below, and suppose that T(U) and T(V) are as given. Find T(W). U = [1, 1]^T V = [3, 4]^T W = [-10, -13]^T T(U) = [0, 0, 1]^T T(V) = [-5, -2, 6]^T

  11. Math

    Suppose you want to buy a car. The dealer offers a financing package consisting of a 3.6% APR compounded monthly for a term of four years. Suppose that you want your monthly payments to be at most $500. What is the maximum amount that you should finance?

  12. math

    Suppose that a college admissions office needs to compare scores of students who take the Scholastic Aptitude test(SAT) wit those who take the american college test (ACT). Suppose that among the college's applicants who take the SAT, scores have a mean of

  13. math

    An airline charges the following baggage fees: $30 for the first bag and $35 for the second. Suppose 51% of passengers have no checked luggage, 27% have only one piece of checked luggage and 22% have two pieces. We suppose a negligible portion of people

  15. Math

    1)Suppose u={1, 2, 3, 4, 5,}is the universal set and r ={...,-3, -1, 1, 3,...} Whats's R?? 2)Suppose u= {...,-3, -2, -1, 0, 1, 2, 3,...} is the universal set and R={...,-3, -1, 1, 3,...} What's R?? They are two questions can someone help me Plz? i can't

  16. Trigonometry

    Suppose you have an isosceles triangle, and each of the equal sides has a lenght of 1 foot. Suppose the angle formed by those two sides is 45^\circ. Then the area of the triangle is square feet.

  17. Statistics

    Suppose we are interested in bidding on a piece of land and we know one other bidder is interested. The seller announced that the highest bid in excess of $10,100 will be accepted. Assume that the competitor's bid x is a random variable that is uniformly

  18. Calculus I

    Suppose that the number of bacteria in a plate of food is given by N(T)= 10T^2 - 40T + 200, -1

  20. physics 2

    Question 1: Suppose a child of weight w climbs onto the sled. If the tension force is measured to be 58.5 N, find the weight of the child and the magnitude of the normal force acting on the sled. Question 2 : (a) Suppose a hockey puck slides down a

  21. Math

    I have a matrix with brackets around [7 6 ][13] [14 -6] [8] and i know there are two separate brackets but on this thing you cant just do one big one.. so if you don't understand the equation that was suppose to go into matricies was x + y = 13 2x - y = 8

  22. calculus

    Suppose that a colony of fruit °ies is growing according to the exponential law P(t) = P0ekt, and suppose that the size of the colony triples in 11 days. Determine the growth constant k. [You may leave your answer as a fraction, with logarithm(s) in it.]

  23. math

    Suppose you have an isosceles triangle, and each of the equal sides has a length of r feet. Suppose the angle formed by those two sides is t. Then the area of the triangle is?

  25. Algebra

    I don't even know where to start, teacher gave us this with no direction. Suppose the polynomial R(x)=a9x^9+a8x^8+...+a,x+a0 has real coefficients with a9 cannot equal 0. Suppose also that R(x)has the following zeros: 5, 6, 5+5i. Using this information,

  26. econ

    In January 2012, one US dollar was worth 50 Indian rupees. Suppose that over the next year the value of the Indian rupee decreases to 60 Indian rupees to one US dollar. Suppose also that the price level of all goods and services in India, as measured in

  27. Calculus

    Suppose that the price p, in thousand pesos, and the number of sales x(in hundreds) of a certain item can be modeled by the equation 5p+4x+px=100. Suppose also that the price is increasing at the rate of $200 per year. How fast is the quantity changing at

  28. business statistics

    Suppose we are interested in bidding on a piece of land and we know one other bidder is interested. The seller announced that the highest bid in excess of $10,100 will be accepted. Assume that the competitor's bid x is a random variable that is uniformly

  30. Calculus

    Suppose that p(x) is the density function for heights of American men, in inches, and suppose that p(69)=0.22. Think carefully about what the meaning of this mathematical statement is. (a) Approximately what percent of American men are between 68.7 and

  31. Calculus

    Suppose that p(x) is the density function for heights of American men, in inches, and suppose that p(69)=0.22. Think carefully about what the meaning of this mathematical statement is. (a) Approximately what percent of American men are between 68.7 and

  32. Statistics

    Suppose X is a normally distributed random variable with the mean u(Mu) and variance sigma^2. Suppose P(X

  33. Statistics

    1. For the following research question, specify the parameter and give the null and alternative hypotheses. "Is there a difference in the proportions of male and female college students who smoke cigarettes? 2. For the following research question, specify

  35. calculus

    In the following problem, suppose f(x) is continuous (and differentiable) function on the interval (0,1). Suppose also that for 0 < x>please show steps

  36. Eco

    In January 2012, one US dollar was worth 50.0 Indian rupees. Suppose that over the next year the value of the Indian rupee decreases to 59.0 Indian rupees to one US dollar. Suppose also that the price level of all goods and services in India, as measured

  37. Math

    Suppose that you want to purchase a home for $450,000 with a 30 year mortgage at 6% interest. Suppose that you can put 20% down. Assume that the monthly cost to finance $1,000 is $6.00. What are the monthly payments

  38. math

    Suppose that you want to purchase a home for $450,000 with a 30 year mortgage at 6% interest. Suppose that you can put 20% down. Assume that the monthly cost to finance $1,000 is $6.00. What are the monthly payments?

  40. algebra

    Suppose that you want to purchase a home for $450,000 with a 30 year mortgage at 6% interest. Suppose that you can put 30% down. Assume that the monthly cost to finance $1,000 is $6.00. What are the monthly payments? Steps or examples please

  41. math

    Suppose that you want to purchase a home for $450,000 with a 30 year mortgage at 6% interest. Suppose that you can put 40% down. Assume that the monthly cost to finance $1,000 is $6.00. What are the monthly payments? $ 1 .Viewing Saved Work Revert to Last

  42. Probability

    For each of the following statements, state whether it is true (meaning, always true) or false (meaning, not always true): 1. Let X and Y be two binomial random variables. (a) If X and Y are independent, then X+Y is also a binomial random variable. (b) If

  43. Finite Math

    Suppose a family has 5 children. Suppose the probability of having a girl is 1/2. find the probability that the family has exactly 3 girls and 2 boys?

  45. math

    1. Finding the Counterfeit Coin. You have 5 coins. You know that one of them is counterfeit and weighs less than the others. Suppose also that you have a balance scale. Is there a strategy for finding the counterfeit coin using the balance scale only

  46. Economics

    Suppose that a perfectly competitive market is described by the following supply and demand equations: QD = 300 – P and QS = 2P. Suppose that government subsidizes this good: for each unit sold government pays $15 to the seller. (a) What is the

  47. Please Help

    Suppose that you want to purchase a home for $450,000 with a 30 year mortgage at 6% interest. Suppose that you can put 40% down. Assume that the monthly cost to finance $1,000 is $6.00. What is the total amount of interest paid on the 30 year loan?

  48. algebra with application

    Suppose that you want to purchase a home for $450,000 with a 30 year mortgage at 6% interest. Suppose that you can put 20% down. Assume that the monthly cost to finance $1,000 is $6.00. What is the total amount of interest paid on the 30 year loan?

  50. math

    Suppose that you want to purchase a home for $450,000 with a 30 year mortgage at 6% interest. Suppose that you can put 40% down. Assume that the monthly cost to finance $1,000 is $6.00. What is the total amount of interest paid on the 30 year loan?

  51. Probability

    For each of the following statements about events A,B, and C defined on a common sample space, determine whether it is true or false. 1. Suppose that A,B , and C are pairwise independent. Then, A∩C is independent of B . 2. Suppose that A,B, and C are

  52. economics

    suppose Y=100 is fixed,suppose the consumption function is c(Y-T)=20+M(Y-T), where M is constant between 0&1,suppose the investment function is I(r)=30-50r,suppose we leave G&T as un specified constant.drive equilibrium interest rate&predict effect of

  53. Chemistry

    Um how do i balance these word equations for chemistry... I think I'm suppose to look them up on a common table of ions and then I don't know wat to do ferric Oxid --> iron oxygen what exactly am i suppose to do please tel me thr throught process that's

  55. English

    Hi, I'm writing a paper for English and my professor crossed off the authors name in one of quotes for the citation of my rough draft as if it was suppose to be there. Something like xxxxxxxxxxxxxxxxxxxxxx (john 59) and she crossed off john as if I wasn't

  56. Algebra

    Suppose U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} is the universal set, and P = {1, 4, 9, }. What is p'? {2,3,5,6,7,8} {2,4,6,8} {1,2,3,4,5,6,7,8,9,10} {2,3,4,5,6,7,8,10} suppose T={-8,-4,0,4,8,12,16,20} and K={-3,-2,-1,0,1,2,3,4,5,6}. What is T n K?

  57. calculus

    Suppose I’m thinking of a function f(x) and I know that the slope of its graph at the point (x,f(x)) is given by e^(-4x). Suppose I also know that f(1)=e^-4. Find the formula for the function.

  58. Science

    Suppose that a party balloon is spherical, has a radius of 16 centimetres and is filled with helium. Furthermore suppose that we do our experiment under standard atmospheric conditions, when the air density is ρ=1.225kg/m3 . How many of these balloons

  60. Math

    Suppose cosA = 12/13 with 0º≤A≤90º. Suppose also that sinB = 8/17 with 90º≤B≤180º. Find cos(A - B).

  61. elementary math

    i did use my poof to prove. im not sure im doing right. here is exercises: 'Suppose a,b,c are integers if a|b and a|c, then a|(b+c).' my answer: Proof. Suppose a|b ans a|c. By Definition of divisibility. we know a|b means there is an integer x with b= ax.

  62. algebra with application

    Suppose that you want to purchase a home for $450,000 with a 30 year mortgage at 6% interest. Suppose that you can put 30% down. Assume that the monthly cost to finance $1,000 is $6.00. What are the monthly payments?

  63. Physics-Graivty

    Suppose planet earth suddenly grew in size, so that its radius was twice as large as before. Also suppose that at the same time, its mass also doubled to twice its former mass. If you weight used to be 700 N, what is it on this "new" Earth. Describe why

  65. math

    Solve each equation. What am I doing wrong because the answer is suppose to be 11/2 and I don't get the answer. Here's what I'm doing... Problem: 2x+1/4-3x-4/5=1/2 I get: 10x+5-12x-16=10 Which gives me -2x=21 My answer is -21/2 the correct answer is

  66. precalculus

    Suppose we have a square with vertices at$0, -6+13i, -19+7i, and -13-6i. Suppose that we want to multiply these points by a single complex number a+bi to get a square with vertices 0, 8+2i, 6+10i, and -2+8i. What is (a,b)?

  67. adv comp

    how can i put this sentence where I am not talking to the reader, just describing the surroundings. As one starts to stride to the right,they come upon a small stream and can’t get past the reeking smell of unknown origins. my whole paper is suppose to

  68. Calc

    Suppose Y1 is a function of x which dy1/dx=3y1. Suppose y2 is a function of x which dy2/dx=8x+5. If the graphs of y1 and y2 have the same y-intercept and they intersect at x=2, then determine the value of the y-intercept.

  70. diffeq

    Let P(t) represent the population of a non-native species introduced to a new area for the purposes of harvesting. Suppose we intially introduce P0 = 100 indicidcuals and suppose the population grows exponentially with growth-rate coefficient k=2 if there

  71. Counting and Probability

    Hi! I need urgent help for these questions here. They have a deadline for today and I have no idea how to solve them (a). Suppose we have a bag with 10 slips of paper in it. Eight of these have a 2 on them and the other two have a 4 on them. What is the

  72. Statistics

    Suppose that suppose that e and f are two events and that p(e)=0.8 and p(f/e)=0.4. what is p(e and f)?

  73. Math

    Suppose k is a continuous function so that k(-2)=3 and k'(-2)= -4 . a. Use the given information to approximate the value of k(-1.4). b. If k''(x)

  75. Algebra

    the angle of elevation from bottom to the top of the mountain has a measure of 60 degrees. suppose a ski lift to the top is 2000 feet long. how high is the mountain to the nearest feet? Am I suppose to find the sine of 60?

  76. ALGEBRA

    Suppose that you want to purchase a home for $450,000 with a 30 year mortgage at 6% interest. Suppose that you can put 40% down. Assume that the monthly cost to finance $1,000 is $6.00. What is the total amount of interest paid on the 30 year loan? I need

  77. Statistics

    Suppose a random family of four is selected (two parents and two children). Suppose further that you are told one of the two children is a girl. Given that this family has at least one daughter, what is the conditional probability that it also has a son?

  78. Statistics

    1.In a jar, suppose there are 3 blue marbles, 2 yellow marbles and one red marble. c. Suppose that 3 marbles are drawn from the jar without replacement. What is the probability that the 3 marbles are all different colors? d. Suppose that 4 marbles are

  80. Algebra

    Your school wants to take out an ad in the paper congratulating the basketball team on a successful​ season, as shown to the right. The area of the photo will be half the area of the entire ad. What is the value of​ x? The photo that is suppose to be

  81. Trigonometry

    Suppose *u* is a quadrant IV angle with cos(u) = 3/5. Suppose *v* is a quadrant IV angle with cos(v) = 12/13. Find the exact value of sin(u-v) I have gotten to sin120cos150 - sin150cos120 but I am not sure I am correct up to that point and I don't know

  82. Probabilty

    Suppose i have a deck of 40 cards numbered 1-10 in red, yellow, blue, and green. suppose i am dealt 5 cards. how may cards could be dealt first? 40-5= 35

  83. Math

    A function f is defined by the equation f(x)=4x−8. Suppose that the state variables T and Q are related by this function according to the mapping f:Q↦T. Suppose that T=3. Use the equation of the function to find the value of Q.

  85. English

    1.Weren't you ______ to help me wash the dishes? (suppose) I have use correct form of suppose. Would it be suppose?

  86. spanish

    # 5 - was suppose ot be sailing or boating navagando # 3 was suppose to be parachuting? para???

  87. business

    what are three advantage of advertising? I can't think of anything. Suppose you owned a new company with a superior product no one ever heard of your product and you needed to help customers learn about its advantages. Or suppose you had to get rid of a

  88. Math--Matrix

    Q1. Suppose A= ( -1 2 -3 -4 3 2 1 3 1 ), then the determinant of this matrix is? Q2. Suppose det ( 1 2 3 1 4 5 y 4 5)=0, then y=?

  90. Math

    Find the value of this integer expression: -2(+3+-4+-8++7) Calculate in distributions and without distribution. There are suppose to be an exponent with +3 and when you see ++7 there is suppose to be an exponent.

  91. Spanish

    Please check En mi dormitorio, hay una cama cómodo con una manta azul y marrón claro.This is suppose to say in my bedroom, there is a comfortable bed with a blue and light brown blanket. Hay dos alfombras azules. This is suppose to say there are two blue

  92. Computer Networks

    In 1000BASE-X, a frame of 64 bytes is fi rst block coded with 8B/10B before transmitting. Suppose the propagation speed is 2 × 10 8 . What is the frame “length” in “meters”? (Suppose the cable is 500 m long.)

  93. Canadian Pacific Railway

    How did the CPR employment practices discriminate agnst Chinese workers? Why do you suppose Chinese railway workers decided to remain separated from the other workers? They were paid 1 dollar a day for the work they did, which was less than half the salary

  95. Math

    Suppose sinA = 12/13 with 90º≤A≤180º. Suppose also that sinB = -7/25 with -90º≤B≤0º. Find cos(A + B).

  96. Math

    Suppose sinA = 12/13 with 90º≤A≤180º. Suppose also that sinB = -7/25 with -90º≤B≤0º. Find cos(A - B).

  97. Trig

    Suppose sinA = 12/13 with 90º≤A≤180º. Suppose also that sinB = -7/25 with -90º≤B≤0º. Find cos(A - B).

  98. statistics

    Suppose that 62 percent of the people who are murdered actually knew the person who committed the murder. Suppose that a detective file in Boston has 62 current unsolved murders. What is the probability that fewer than 33 victims did not know their

  100. Math

    There are 21 boxes of crackers in 1 case. Each box contains 24 crackers. What is the best estimate for the number of crackers in 7 cases? A. 3,100 B. 3,500 C. 3,800 D. 4,000 Do I do 24x21? If I'm suppose to do that I don't know what I'm suppose to do next

  101. Math

    Suppose f(x)= 1/x and g(x)= x-2. Also, suppose h(x)=f(g(x)). Then h(x)= 1 / (x-2). Find the domain of h(x)= 1 / (x-2). Express the domain using inequality notation.

  102. Physics

    Suppose you are given that z = c x2 y4 where c is some number. For a particular value of c, x and y, z is equal to 7. Suppose x is decreased by a factor of 2.6 and y is increased by a factor 4. What is the new value of z?

  103. economics

    Suppose you were offered $2,000 to be delivered in 1 year. Further suppose you had the alternative of putting money into a safe certificate of deposit paying annual interest at 10 percent. Would you pay $1,900 in exchange for $2,000 after 1 year? What is

  105. Finance

    Suppose that you want to purchase a home for $450,000 with a 30 year mortgage at 6% interest. Suppose that you can put 40% down. Assume that the monthly cost to finance $1,000 is $6.00. What are the monthly payments

  106. system of equations

    Suppose you are organizing a social. Let a be the fixed cost and b be the cost per person.Suppose you know it costs $1300 for 30 people and $2200 for 80 people. (a) Set up a system of (two) equations in terms of a and b:

  107. chemistry (litmus paper)

    When using litmus paper I was wondering why do you first wet it? Second, I wanted to know is why is it not suppose to touch the solution? Third, how doo you test for solutions if it is not suppose to touch the solution.

  108. math

    Suppose that R is at (8, 6). Let P be a point on the line 8y = 15x and Q be a point on the line 10y = 3x, and suppose that R is the midpoint of PQ. Then the length of PQ can be written as a / b, where a and b have no common factors other than 1. Compute a

  110. Maths

    Suppose that R is at (8, 6). Let P be a point on the line 8y = 15x and Q be a point on the line 10y = 3x, and suppose that R is the midpoint of PQ. Then the length of PQ can be written as a / b, where a and b have no common factors other than 1. What is a

  111. Shurley English Grade 4

    I'm suppose to write sentences from Grade 4 Shurley English book. I was suppose to bring book home and use page 25 - I forgot the book - anyone know what is on page 25? Thanks

  112. chemistry

    Suppose you have a mixture of hydrogen and methane (CH4) gases that are at equilibrium. What is the ratio of the average speed of the methane (CH4) relative to the hydrogen ? Express the answer as a fraction (e.g. 0.621). I know that im suppose to use the

  113. Algebra

    I cannot solve the problem please help me. I'm suppose to set the equations up to solve for t. x = y + rt + at^2/2 Even when I plug in the values I don't get the answer. x = 16.4 y= 0 r= 0*cos(45)a=0 t is suppose to equal 2.32 if I set the problem up

  115. statistics

    Suppose the average body temp is 98.6 assume the variable is normally distributed with a standard deviation of .74 degrees. suppose a sample of 100 is taken. what is the probability that the mean is below 98.4??? Between 98.5 AND 98.7??

  116. English

    Well done! I think you have made good choices for Chillingworth's badge. I am suppose to create two badges for two characters in The Scarlet Letter. Two characters are Chillingworth and Dimmesdale. The badge is suppose to reveal something about each man's

  117. math

    Suppose C is the elliptic curve y^2 − x^3 − a = 0 where "a" is a rational number. Suppose P = (p, q) is a point on C with rational coordinates. Suppose further that L is the tangent line to C at point P. Let Q ≠ P be an intersection point of C and L.

  118. calculus

    Solve: sec(x)^2= 3tanx +1 *** It is suppose to be the sqaure root of 3 but i could find the symbol so just wrote the 3 without it but it is suppose to be the square root of 3 times tanx + 1

  120. Math

    Suppose sinA = 12/13 with 90º≤A≤180º. Suppose also that sinB = -7/25 with -90º≤B≤0º. Find cos(A - B).

  121. Pre-calc

    Hi Steve and Damon, if you're reading this, please take a look at my previous post because I had to apologize for my mistake. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ My Home Work Question: Suppose that α is an angle such that tanα=5/7 and sinα0. Find

  122. economics

    Suppose that there are two firms, each generating three tons of SO2. Suppose also that the government has set a target abatement level of two tons. Under a policy of uniform abatement with permits each firm would receive

  123. statistics

    Suppose 100 different researchers each did a study to see if there was a relationship between coffee consumption and height. Suppose there really is no such relationship in the population. would you expect any of the researchers to find a statistically

  125. chemistry

    I need help with the following problem: Calculate the upper and lower limits of the volume (in cm^3) of a cylinder 5.2+- 0.1 centimeters long and 1.6+- 0.1 centimeters in diameter. I know I am suppose to plug the numbers in the sphere formula V= pi/4(d)

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