Word problem - time o'clock
What o'clock is it when the time from noon is 9/11 of the time to midnight?
Algebra
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Word problem - diet
You went on a diet and lost 15% of your body weight. you currently weigh 167 lbs. what was your pre-diet weight (to the nearest tenth of a pound)?
Determining System of Equations to Solve Unknown Variables
An invoice for 17 brooms and 22 mops totaled 211.84. Another invoice for 20 brooms and 14 mops totaled 191.00 How much did each broom cost, and how much did each mop cost (to the nearest cent)?
Solving a Series of Equations
Please complete the following task below: Solve the following for x,y,z 2x+3y+4z=4 x+2y+5z=0 4x+y+z=5 Show all work.
Business word problems
A company sells three products, TV's, VCR's and Stereos. If the ratio of TV's, VCR's and stereo's sales is 3:4:2 and total sales are $9,360, what is the amount of sales in dollars for each of the TV, VCR, stereo? A keg holds 64 litres of beer. Suppose that 16 litres are replaced with water. Then an additional 16 litres
Word problem involving distance, time, speed calculations
The tortoise and the hare finally have their long awaited rematch. The tortoise gets a 1000 foot lead and runs at 9 inches per second. The hare begins at the starting line and runs at a rate of 6 feet per second. There is also a rat who starts 1200 feet ahead of the Hare and runs back towards the starting line at a rate of 2 fee
Variable Meaning Interpreting
I want help understanding the following statement. I need to be able to use this formula but I don't quite get it. What does the little n stand for? So suppose my universe is 15 usability problems and each subject gets 20% of them (the L) how do you use the little N in this equation to get the result? Here is the paragraph t
Sequence Proof
Please see the attached file for the full problem description. Given Sn and S∈ (0,∞). If Sn →S, prove ∃α>0, ∃N∈N s.t. ∀n ≥ N, an>α.
Subset and Subgroup Problem
If G is a group and gEG, define C(g)={zEG|zg=gz} show that C(g) is a subgroup of G (the centralizer of g in G). Note: E means element of
Asymptotes and domain of a rational function
Q: Determine the vertical asymptote(s) and domain of the following function: f(x)=[4x^2+3x]/[4x^2+7x-2]
Roots of a rational function
Q: Consider the polynomial function f(x)=4x^4-13x^2+9 a. What is the maximum number of real roots you would expect and why? b. Find the real roots of the polynomial function. Using factoring by substitution, or substitution and the quadratic formula to find the real roots
Solve for X Functions
How would you go about solving for x, when x to the tenth power = 2.533836? Thanks! x^10= 2.533836
Find the general solution of xy' - y = 2y (ln y - ln x).
Find the general solution, if possible. Otherwise find a relation that defines the solutions implicitly: xy' - y = 2y (ln y - ln x)
Solution to a recursive equation
Given a_1=1,a_2=2, a_(n+1)=2a_(n)-a_(n-1),n>=2, find a_n, for n>=1
How to Arrange a Meeting Point So Travel Distance is Minimized
Five children live in the town of Gridley which is represented by a grid of streets. On the x axis are the streets A, B and so on until Q. On the Y axis, the streets go from descending order from 15th Avenue down to 1st Avenue (in other words as you go up the Y axis, the avenues go down). So at the origin would be the intersecti
Rearranging Logarithmic Formulas
A battery is put on charge.The relationship between the charging current, i amperes,and the time, t hours passed,is given by the formula i=3e^(-0.36) show that the formula for i can be arranged to give the time t as t=1/0.63log e (3/i) could you please show me working out steps!
Probabilities : Sigma-Algebra
Can we define a uniform probability over IN which has a sigma-algebra of all its parts ?
Sigma-Algebra : Proof
We consider the sigma-algebra on the set of real numbers R which is defined by all singletons. Prove that this sigma-algebra is the same as... (Please see the attachment for the full question.) We consider the sigma-algebra on the set of real numbers R which is defined by all singletons. Prove that this sigma-algebra is the
Sigma-Algebra Proper Symbols
Please see the attached file for full problem description with proper symbols. --- Let A be a sigma-algebra on Omega, and let B be an element of A. We denote A|B = A intersection B A E A. 1. Prove that A|B is a sigma-algebra on B. 2. Is is still true if B is not in A? Please prove the answer.
Use guess, test and revise setup an equation representing facts
Aaron's age is 3 times that of Jodi. In 4 years he will be twice Jodis age. Use guess, test and revise to setup an equation representing these facts. Where x is Jodi's age.
Word problem of buying strawberries
Joane bought 3 1/2 Lbs of strawberries on Monday. Her family ate 1 2/3 Lbs on Tuesday. How many pounds were left on Wednesday?
Distance to Cross Bridge Question
You are traveling 55 mph over a bridge that is 4260 ft. long. How long does it take to cross the bridge? Help me!
The trial balance columns of the work sheet for Phantom Roofing Inc at March 31, 2002 are as follows
The trial balance columns of the work sheet for Phantom Roofing Inc at March 31, 2002 are as follows: Instructions: (a) Enter the trial balance on a work sheet and complete the work sheet. This should be accomplished on the continuation of the presented data table. (b) (1) Prepare an income s
Expanded Notation Functions
Write in expanded notations, 26,859
Relations between Non-Parallel Planes
Let P1 and P2 be two dimensional planes that are not parallel. If these planes are contained in R3 then they must intersect in a line. Prove that if they are contained in R4 instead then they can intersect either along a line, or at a single point. (HINT)- A two dimensional plane in R4 is determined by two equations in four unkn
Groups of Order 56
Please see the attached PDF file. I would prefer the solution as a PDF file. Thanks!
Solving for n as a Factorial
Does there exist a natural number n such that [n!/(n-4)!] = 11,880 ? if so find n, if not explain why not (Hint: factor 11,880 into its prime factors)
Symmetric Functions
Please see the attached file for the fully formatted problems. Write the following functions in terms of the elementary symmetric functions: (u1 + u2)(u1 + u3)(u3 + u2) u31 + u32 + u33 + u34
Word Problems : Relative Speed of Swimmers
(#48) Two swimmers start at opposite ends of a pool 89 feet long. One person swims at the rate of 19 feet per minute and the other swims at a rate of 53 feet per minute. How many times will they meet in 33 minutes? (#33) Two swimmers start at opposite ends of a 90-foot pool. One swims 30 feet per minute and the other at 20