Keonn'a

Newest questions posted by Keonn'a
  1. Math

    what is 15 plus 1/3? what is 20 plus 1/3 what is 25 plus 1/3?
  2. algebra

    a . a. Slope: X+1 Incorrect Preview x x-intercept: ( ( 0 Correct , 0 ) ,0) y y-intercept: ( 0 , (0, 1 Incorrect ) ) b . b. Slope: -2x-2 Incorrect x x-intercept: ( ( -2 Correct , 0 ) ,0) y y-intercept: ( 0 , (0, -2 Incorrect ) ) c . c. Slope: -2x-2
  3. Algebra

    Find the slope of any line perpendicular to the line through (3,2) and (-3,4).
  4. Algebra

    Solve for a if the line through the two given points has the given slope. (4,a) and (-2,-2a), m=-1
  5. Algebra

    I know where to even start these 3 problems The given is this:Let f(x)=x^2+3 and g(x)=4x+2, evaluate the following. c. 2*f(x)-g(x) = d.f(g(4)) = e.g(f(4)) =
  6. algebra

    Let f(x)=4x+4 and g(x)=x^2+x-1.Evaluate the following. c. g(-2)=-2^2-2-1=-4-3=-7 f. g(a+1)=a^2+4a Is c right? and f I got the wrong answer.
  7. Algebra

    Amtrak's annual passenger revenue for the years 1985-1995 is modeled approximately by the formula R=-60|x-11|+962 where R is the annual revenue in millions of dollars and x is the number of years after 1980. In what year was the passenger revenue $722
  8. algebra

    15. Each of the following temperature ranges is in degrees Fahrenheit. Use the formula F=95 C+32 to find the corresponding temperature range in degrees Celsius (using interval notation and assume inclusion). 16.The fuel efficiency (mpg rating) for cars has
  9. algebra

    A woman owns a small, cash-only business in a state that requires her to charge 7% sales tax on each item she sells. At the beginning of the day, she has $210 in the cash register. At the end of the day, she has $1,173.00 in the register. How much money
  10. Math

    According to the Department of Health and Human Services, 30% of 18- to 25-year-olds have some form of mental illness. (a) What is the probability two randomly selected 18- to 25-year-olds have some form of mental illness? (b) What is the probability six
  11. Statistics

    Teen Communication The following data represent the number of different communication activities (e.g., cell phone, text messaging, e-mail, Internet, and so on) used by a random sample of teenagers over the past 24 hours. (a) Are the events “male” and
  12. Statistics Math

    . Drawing a Card Suppose that a single card is selected from a standard 52-card deck. What is the probability that the card drawn is a club? Now suppose that a single card is drawn from a standard 52-card deck, but we are told that the card is black. What
  13. Math

    . According to the U.S. Census Bureau, the probability that a randomly selected head of household in the United States earns more than $100,000 per year is 0.202. The probability that a randomly selected head of household in the United States earns more
  14. Statistics

    . According to the U.S. Census Bureau, the probability that a randomly selected head of household in the United States earns more than $100,000 per year is 0.202. The probability that a randomly selected head of household in the United States earns more
  15. 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)?
  16. Statistics

    Which Professor? Suppose Professor Alpha and Professor Omega each teach Introductory Biology. You need to Decide which professor to take the class from and have just completed your introductory statistics course. Records obtained from the past students
  17. Statistics

    Find the range population of Ethan and the population standard deviation Ethan: 9, 24, 8, 9, 5, 8, 9, 10, 8, 10
  18. Math

    In December 2010, the average price of regular unleaded gasoline excluding taxes in the United States was $3.06 per gallon, according to the Energy Information Administration. Assume that the standard deviation price per gallon is $0.06 per gallon to
  19. Math

    The Empirical Rule: The weight,in the grams, of the pair of kidneys in adult males the ages of 40 and 49 has a bell-shaped distribution with a mean of 325 grams and a standard deviation of 30 grams. A) About 95% of kidney pairs will be between what
  20. Math

    write the slope intercept form of the equation of the line with the following conditions. 19. passing through (4,-2) and (-8, -5). 21. passing through (-5,9) and parallel to 3x+y=1. 23. passing through (4,1) and perpendicular to 2x-y=8.
  21. Statistics

    Graph neatly and label all intercepts. -x+2y=5 x intercept x=0 -0+2y=5 +0 +0 -------- 2y/2=5/2 y=5/2 y intercept y=0 -x+2(0)=5 -x+0=5 -x-0=5 x=-5
  22. Algebra

    Find the equation of the circle on the y-axis and has y-intercept at 1 and 7.
  23. College Algebra

    The fox population in a certain region has an annual growth rate of 9% per year. In the year 2012, there were 20,700 foxes counted in the area. What is the fox population predicted to be in the year 2020? Round to the nearest fox. #Foxes
  24. College Algebra

    Suppose an investment account is opened with an intial deposit of $12,000 earning 9.6% interest. Round all answers to the nearest dollar. a. How much will the account be worth after 20 years if it is compounded monthly? $ b. How much will the account be
  25. College Algebra

    Graph the exponential function. f(x)=(1/2)^x
  26. College Algebra

    Graph the exponential function. f(x)=4^x Clear All Draw: Exponential.
  27. Algebra

    Factor completely. (m+n)^3-27 a=m+n b=3 (m+n-3)[(m+n)^2+3(m+n)+3^2] m^3 +3m^2n +3mn^2 +n^3-9 Is this right?
  28. Algebra

    Factor completely (x-2/3)^2-16(x-2/3)+63
  29. Algebra

    The maximum load a beam will support varies directly with the square of the diagonal of the beam's cross section.A beam with diagonal 6 inch will support a maximum load of 108 pounds. What load will a beam with a 10 inch diagonal support?
  30. Algebra

    Let f(x)= 2/3x^2-3/2x+5/7 and G(x)=1/3x-2/5. (fg)(x)
  31. Algebra

    Rationalize the denominator. frac{4}{\sqrt[3]{100x}}
  32. Algebra

    Simplify. Complex Fractions. b-2b/b+3/1/b+3+1/b-3= LCM: (b+3)(b-3)
  33. Algebra

    Complex Fraction. Simplify. x-5x/x+6/1/x-6+1/x-6
  34. College Algebra

    The area of a rectangular carpet is 12 square feet. The length is four feet more than the width. Find the length and the width of the carpet.
  35. Algebra: Please Help.

    For the function f(x)=x^2−7x+5 find x when f(x)=−5 x=
  36. Algebra: Please Help.

    16y^3+48y^2=-36y I need help setting up the problem.
  37. Algebra: Please Help.

    Solve. 10x^2+5x=-5
  38. Algebra

    Factor completely using difference of squares. x^2-12x+36-64y^2
  39. Intermediate Algebra

    Factor completely using difference of squares. x^2-12x+36-64y^2
  40. Math

    Graph the solution set for the linear inequalities. y<4x+2 2x−y≥2
  41. Math

    Graph the solution set for the linear inequalities. 2. x+y≤4 2x−y≥2 3. y<4x+2 y≥4x−4
  42. College Algebra

    Solve the system. 2x+9y=4 6y-2z=1 -4x+4z=0
  43. Math

    Three even numbers sum up to 126. The smaller is half the larger and the middle number is 3/4 the larger. What are the three numbers (list in order from smallest to largest).
  44. College Algebra

    Solve the system. 1/4x+1/3y+1/2z=-7/12 1/3x+2/3y+1/4z=-17/3 1/2x-1/3y+2/3z=19/6
  45. Math

    Paul mixes nuts worth $1.20 per pound with oats worth $1.70 per pound to get 40 pounds of trail mix worth $1.35 per pound. How many pounds of nuts and how many pounds of oats did he use?
  46. Algebra

    A total of 900 tickets were sold for a game for a total of $1,775.00. If adult tickets sold for $2.50 and children's tickets sold for $1.50, how many of each kind of tickets were sold?
  47. College Algebra

    The Jones family took a 24-mile canoe ride down a river in two hours. After lunch the return trip back up the river took four hours. Find the rate of the canoe in still water.
  48. Algebra

    Find an equation of a line perpendicular to the given line and contains the given point. Write the equation in slope-intercept form. a. line 3x+y=5, point (-1,2) b. line y=3x+1, point (6,1)
  49. Algebra

    Find an equation of a line parallel to the given line and contains the given point. Write the equation in slope-intercept form. a. line 2x+3y=2 , point (0,0) b. line y+4=0, Point (-5,3)
  50. College Algebra

    A phone company has a monthly data plan where a customer pays flat monthly fee of $30 and then a certain amount of money per gigabyte (GB) of data used on the phone. If a customer uses 3 GB, the monthly cost will be $42. If the customer uses 8 GB, the
  51. College Algebra

    Can any body help me solve this inequality. How to write the solution on a numberline. |2x+2|>14
  52. College Algebra

    A chicken farm ideally produces 300,000 eggs per day, but this total can vary by as much as 12,500 eggs per day. What is the maximum and minimum expected production at the farm?
  53. College Algebra

    Macario is making 17 pounds of nut mixture with macadamia nuts and almonds. Macadamia nuts cost $9 per pound and almonds cost $5.75 per pound. How many pounds of almonds should Macario use for the mixture to cost $127.00 per pound to make.
  54. Geometry

    While on a tour in Greece, Tatyanna saw that temperature was 5∘ celsius. Solve for F∘ in the formula. C= 5/9 (F-32)
  55. Geometry

    The perimeter of a rectangle is 192 feet. The length of the rectangle is twice the width. Find the length and width of the rectangle.
  56. Algebra 1

    A grocery store reduced the price of a loaf of bread from $3.80 to $3.67. Find the percent change (discount rate). Round to the nearest tenth of a percent.
  57. College Algebra

    Use the quadratic formula to solve the equation: 2x^2=-5x-7
  58. College Algebra

    A projectile is thrown upward so that it's distance (in feet) above ground after t seconds is given by h(t)=-10t^2+440t. What is its maximum height?
  59. College Algebra

    A ball is projected upward from the ground. Its distance in feet from the ground in t seconds is given by s(t) = -16t^(2)+128t At what times will the ball be at 213ft from the ground?
  60. College Algebra

    The height of an object launched from the ground after t seconds is given by h(t)=-16t^2+32t. How long for the object to obtain a height of 32ft. Hit the ground.
  61. Help College Algebra

    A ball is projected upward from the ground. Its distance in feet from the ground in t seconds is given by s(t) = -16t^(2)+128t At what will the ball be at 213ft from the ground?
  62. College Algebra

    The height of an launched from the ground after t seconds is given by h(t)=-16t^2+32t. How long for the object to obtain a height of 32ft. Hit the ground?
  63. College Algebra

    v=1/3*3.14r^2h for r
  64. Algebra

    d=kt^2 solve for t
  65. Algebra

    A computer screen measures 14 in. by 11 inches. Find the length of the diagonal.
  66. Algebra

    The height of an launched from the ground after t seconds is given by h(t)=-16t^2+32t. How long for the object to obtain a height of 32ft. Hit the ground?
  67. College Algebra

    Robert invested $10000 and earned a total of $550 interest. He invested part of the $10000 in an account paying 5% and rest in an account paying 6%. How much did he invest in each account.