Wednesday
September 28, 2016

Posts by anonymous

Total # Posts: 100,160

Pre-Calc
Write the first five terms of the sequence. a(n) = ((-1)^n x^(2n + 1))/(2n + 1)! Not sure about how to deal with the x here. Will it just remain in the sequence?
May 15, 2016

math
The variables x and y vary inversely. When y is 24, x is 8. What is y when x is 4?
May 14, 2016

PLZ HELP I NEED HELP ASAP
The units’ digit of a two-digit number is 7 more than the tens’ digit. If 26 is added to the number, the result obtained is five times the sum of the digits. Find the number.
May 14, 2016

PLZ HELP I NEED HELP ASAP
Paula, Dianna and Annie are three friends. Paula is twice as old as Dianna, and in 2 years she will be three times as old as Annie. If Dianna is 5 years older than Annie, how old is Paula?
May 14, 2016

Math help.
??
May 14, 2016

Math help.
What are the solutions to the systems? y=x^2+6x+7 y=-x+13 A. (-1,14) and (6,7) B. (-1,7) and (6,14) C. (-1,13) and (6,7) D. No solution I think its D.
May 14, 2016

Pre-Calc
If five girls and five boys stand in a circle, how many arrangements are possible provided they stand alternately (girl, boy, girl, boy, etc)?
May 14, 2016

Algebra
Solve for t: t^6=8-t^3
May 14, 2016

Physics
A net force of 20N acts on a 5kg object.Determine how far the object travels starting from rest to acquire a speed of 8m/s
May 14, 2016

math
15
May 14, 2016

Algebra
What is the value of m, if the equation my^2+2y−4=0 has exactly one root?
May 14, 2016

math (PLZ HELP ASAP)
Paula, Dianna and Annie are three friends. Paula is twice as old as Dianna, and in 2 years she will be three times as old as Annie. If Dianna is 5 years older than Annie, how old is Paula? please use algebra to justify your answer.
May 14, 2016

Math
Find g(2) – f(2) Use f( x ) = 2x – 1 and g( x ) = x + 5
May 14, 2016

Math
f( x ) = 3x + 5 and g( x ) = -x + 9 Find: f( x ) – g( x )
May 14, 2016

math (pLZ HELP ASAP)
how to crank it out
May 14, 2016

math (pLZ HELP ASAP)
The units’ digit of a two-digit number is 7 more than the tens’ digit. If 26 is added to the number, the result obtained is five times the sum of the digits. Find the number.
May 14, 2016

math (PLZ HELP ASAP)
thanks
May 14, 2016

math (PLZ HELP ASAP)
The students asked their math teacher to tell them her age. She didn’t want to tell them, but she replied, “If you take two years from my present age the result will be three times my son’s age, and seven years ago my age was twice what his will be in two years...
May 14, 2016

math
You own two restaurants. From 1995 to 2000, the sales R1 (in thousands of dollars) for one restaurant can be modeled by: R1 = 480 – 8t – 0.8t2, t = 0, 1, 2, 3, 4, 5, where t = 0 represents 1995. During the same 6-year period, the sales R2 (in thousands of dollars) ...
May 14, 2016

Functions Math
A car has 16 gallons of gasoline in its tank when it starts it's journey. On a long highway trip, gasoline is used at a rate of about 2 gallons per hour. The gallons of gas, "g", remaining in the car’s tank after "t" hours can be modeled by the ...
May 14, 2016

geometry
quadrilateral ABCD is a trapezium iff its diagonals intersect each other in the same ratio .proof this
May 14, 2016

science
give five application of Doppler effects
May 14, 2016

math
there are 28 students in a class. 16 of them are boys. What is the percentage of girls in the class?
May 13, 2016

PLZ HELP ASAP math
plz help
May 13, 2016

PLZ HELP ASAP math
help plz asap
May 13, 2016

PLZ HELP ASAP math
help
May 13, 2016

PLZ HELP ASAP math
how to i crank it out?
May 13, 2016

PLZ HELP ASAP math
Paula, Dianna and Annie are three friends. Paula is twice as old as Dianna, and in 2 years she will be three times as old as Annie. If Dianna is 5 years older than Annie, how old is Paula?
May 13, 2016

Math
My answers are: 1. d 2. b
May 13, 2016

Math
1. Which of the following is an example of a dependent event? (1 point) flipping two coins rolling a number cube and spinning a spinner choosing two scoops of ice cream choosing a cookie at random, eating it, and then choosing another at random** 2. Which of the following is ...
May 13, 2016

Statistics Mean and Median Question
Find the mean by adding all of the numbers and divide by 20.
May 13, 2016

Math
Thank you
May 13, 2016

Math
What are equal intervals? I have a math question that deals with them but I don't what they are.
May 13, 2016

Math
thanks
May 13, 2016

Math
Can someone help me?
May 13, 2016

Math
Divide (x^2+2x+ over x^2-8x+16) over(x+1 over x^2-16) A. (x-1) (x+4)over x+1 B.(x+1)(x+4)over (x-4) C. (x+1)(x+4)over (x-1) D.(x-1)(x-4)over (x+4)
May 13, 2016

Life orientation
Human rights violations
May 13, 2016

Math
Thanks
May 13, 2016

Math
Thats not on my answer. Here they are. A.5x+7/(x+2)(x+9) B.5/(x+2)(x+9) C.7/(x+2)(x+9) D.5x+52/(x+2)(x+9)
May 13, 2016

Math
Simplify into one fraction. 6/x+2-1/x+9
May 13, 2016

Math
Solve the IVP: y' = y + y^3 , y(0)=1
May 13, 2016

life orientation
Bcz ur experiencing this
May 13, 2016

math
Classify the triangle with sides of lengths 24, 24, and 4
May 13, 2016

Pre-Calc
Find the sum of the series 1 + 2 + 4 + 5 + 7 + 8 + 10 + 11 + ... + 299, which is the sum of the integers from 0 to 300, omitting the multiples of 3.
May 13, 2016

math
A friend drives 15 miles west and then 5 miles east. How far away is she from her starting point?
May 13, 2016

math
Find the image of (3,6) reflected across the y-axis
May 13, 2016

math
Five children in the Woods family have decided to purchase an anniversary gift for their parents. They estimate the price of the gift to be $170. Each person has already contributed $10. If they have eight weeks to raise the rest of the money, how much will each child have to ...
May 13, 2016

Pre-Calc
Tritium, a radioactive isotope of hydrogen, has a half-life of 12.4 years. Of an initial sample of 69 grams, how much will remain after 75 years?
May 12, 2016

Pre-Calc
m,
May 12, 2016

Pre-Calc
An initial investment of $9000 grows at an annual interest rate of 5% compounded continuously. How long will it take to double the investment?
May 12, 2016

science 4th grade
What is the property of matter that keeps a moving object in a straight line called
May 12, 2016

Math
24
May 12, 2016

Math, Algebra
81^3(x+1)=9^2(x-1) Solve this equation by expressing both sides as powers of 3.
May 12, 2016

Math, Algebra
81^3(x+1) = 9^2(x-1) Solve this equation by expressing both sides as powers of 9.
May 12, 2016

Math, Algebra
81^3(x+1)=9^2(x-1) Solve this equation by expressing both sides as powers of 3.
May 12, 2016

Science
i need help with this too
May 12, 2016

Geometry
A triangle pyramid with a base area of 18 square inches and a height of 15 inches...
May 12, 2016

Math
a cake is cut into 12 equal pieces. there are 7 children and each child eats 1/3 of a piece
May 12, 2016

math
A ball is dropped from a height of 256 ft. With each bounce, the ball reaches a height that is half the height of the previous bounce. After which bounce will the ball rebound to a maximum height of 1 ft?
May 12, 2016

math
John leaves on a 20-mile bike trip. He rides at a speed of 8 mile per hour. Ashley leaves 1 hour later. Both bikers take the same route. Ashley rides at a speed of 6 miles per hour. How many later than John will Ashley complete the trip?
May 12, 2016

math
Thank you $266, is this correct?
May 12, 2016

math
It's a math word problem I need to know what to do. I don't care about that.
May 12, 2016

math
A credit card company charges 7% simple interest. What is the total interest on a $1,900 loan at the end of two years?
May 12, 2016

Pharmacy calculation
An Rx calls for hydrocortisone 1% mixed with mupirocin 2% in a 70%/30% combination for a total of 60 grams. What is the % strength of mupirocin in the final product? Can anyone out there help explain how to answer this question? Thanks in advance.
May 12, 2016

Inequality
What is the solution to the inequality -3x-42>3?
May 12, 2016

Physics
A particle executes simple harmonic motion such that at t = 0 it is at the amplitude of oscillation A = 22.5 cm. The period of the oscillation is 0.25 s. When is the first time this particle will be at x = -1/2 the amplitude, moving away from equilibrium?
May 12, 2016

Human Geography
I have looked at texts and powerpoints to help respond to an FRQ. So if I were to give examples but they weren't quite like the o nes on the rubric, they wouldn't give any points?
May 12, 2016

Human Geography
a fairly decent response* Didn't mean to put essay.
May 12, 2016

Human Geography
I am going to take the AP test for this class tomorrow and during the FRQ's I was wodering if anyone could help me clear some things up When answering an FRQ, for example, if you were able to get a max of 6 points and you answer the FRQ but you don't give the exact ...
May 12, 2016

CHECK my answers for drivers education please!
11. The only sure way to reduce the body’s BAC and the degree of impairment is to (1 point) take a cold shower. wait the necessary time the body needs to eliminate the alcohol.*** handle a sudden emergency. consume several cups of black coffee. 12. Coping with emotions ...
May 12, 2016

math
toffees are sold in packs of 8. Tony buys 4 packs. He eats 25 toffees. How many toffees are left?
May 12, 2016

science
12:1
May 12, 2016

L.A
During her time in the Secret Annex, Anne demonstrates that she is a unique and remarkable young person with many dimensions to her character. In an essay, explain what makes Anne a complex character. Include details from The Diary of Anne Frank, Act I and Act II in your essay.
May 12, 2016

Physics
An empty density bottle weight 20g full of water and 60g when full of liquid
May 12, 2016

Math!!
the lateral area consists of 4 isosceles triangle faces. the side length of the pyramid is the base of each face. The slant height of the pyramid is the altitude of each face. Looking sideways into the pyramid, the slant height is the hypotenuse of a right triangle whose base ...
May 12, 2016

L.o
How the Fraud and corruption affected the offenders career.
May 12, 2016

physics
sqrt(2h/g)/sqrt(4h/g)
May 12, 2016

physics
3 person are moving triangle place.their velocity are equal. they are follow each other after which time they should meet with each other?
May 11, 2016

math
Jenna baked apple pies for a family reunion. Each pie was cut into 9 pieces. Her family ate 28 pieces of pie. Write the number of pies Jenna's family ate as an improper fraction and as a mixed number.
May 11, 2016

math
A mechanic needs a radiator to have 40% antifreeze solution. The radiator currently is filled with 5 gallons of 15% antifreeze solution. How much antifreeze mixture should be drained from the car if the mechanic replaces it with pure antifreeze. Drain__ gallons from the ...
May 11, 2016

math
30x+60y=360 x+y=9
May 11, 2016

emily d
thank you! but how did you get 347.139?
May 11, 2016

math
first you have to use a table or a calculator to find the log of 200. Put that result into the formula given.
May 11, 2016

math (PLZ HELP ASAP)
A rectangle has an area of 240 m² and I width of 15 m what is the length of the rectangle
May 11, 2016

math (PLZ HELP ASAP)
thanks
May 11, 2016

math (PLZ HELP ASAP)
or is it 153
May 11, 2016

math (PLZ HELP ASAP)
oh so in square meters it is 153600
May 11, 2016

math (PLZ HELP ASAP)
wait i don't get it
May 11, 2016

math (PLZ HELP ASAP)
thanks
May 11, 2016

math (PLZ HELP ASAP)
plz help
May 11, 2016

math (PLZ HELP ASAP)
sorry
May 11, 2016

math (PLZ HELP ASAP)
3/8 times
May 11, 2016

math (PLZ HELP ASAP)
A rectangular field is 240m wide. The width of the field is 3 8 the length. What is the area of the field in square kilometers, rounded to the nearest thousandth?
May 11, 2016

math (pLZ HELP ASAP)
how many miles did it take to go through the mountain
May 11, 2016

math (pLZ HELP ASAP)
it is ok
May 11, 2016

math (pLZ HELP ASAP)
how much miles was it though the mountain
May 11, 2016

math (pLZ HELP ASAP)
A train averages a speed of 90 miles per hour across the plains and 37.5 miles per hour through the mountains. If a trip of 300 miles took 3 hour and 48 minutes, how much of it was through the mountains?
May 11, 2016

math (PLZ HELP ASAP)
thanks soon much
May 11, 2016

math (PLZ HELP ASAP)
a dad has two daughters – Wendy and Julia. Wendy is twice as old as Julia. The man is now five times as old as Wendy, and in 4 years he will be six times as old as Julia. Find the present age of the father.
May 11, 2016

Math
4(35) = x(45) I agree with 3.11
May 11, 2016

  1. Pages:
  2. <<Prev
  3. 11
  4. 12
  5. 13
  6. 14
  7. 15
  8. 16
  9. 17
  10. 18
  11. 19
  12. 20
  13. 21
  14. 22
  15. 23
  16. 24
  17. 25
  18. Next>>