# Tutorials Posted by Uncle_Theodore

## Uncle_Theodore from

 Rating (42):B+ Questions Asked: 1 Tutorials Posted: 226, Earned: \$136.25

## Uncle_Theodore's Posted Tutorials

Bounty Category Question Tutorial Purchases Date Posted
\$5.00 Computer-Science Project 2 Volume of a Water Tank Solution in C++
...ch language ...
Mar 30, 2011 at 11:51:13PM
\$0.25 Mathematics Jake estimates that 12/19+18/19 is less Fractions
...inly not. 12/19 + 18/19 = (12+18)/1...
Mar 30, 2011 at 2:50:56PM
\$4.00 Mathematics SAT Scores 90% confidence interval
...rt(n)), x+1.645*(std/sqrt(n))] Here's a good explanation of w...
Mar 30, 2011 at 2:48:12PM
\$1.00 Mathematics blood pressure Analyzing the graph
...to 11:00 The value of the function is decreasing (going...
Mar 30, 2011 at 2:26:43PM
\$1.00 General-Questions Need to understand the statement The property of real numbers
...ll real numbers a, b and c. It lets us open parentheses in ...
Mar 30, 2011 at 1:25:45PM
\$2.00 Mathematics MATH/ I need your help to solve these problems & understand Heres your number 3
...See t...
Mar. 30, 2011 at 08:49:02AM
\$1.00 General-Questions if your car gets 32 miles per gallon of gas you need to travel 278 miles on day... Function
...then f(x) is the distance in miles you can travel on x gallons of gas. Since you get 32 miles on each ga...
Mar 02, 2011 at 4:58:37PM
\$1.00 Mathematics Alicia has 4/5 raisins. She wants to giv Dividing a fraction
...ed by 4...
Mar 02, 2011 at 4:33:56PM
\$1.00 Mathematics Math percentage Percentages
...ust notice, the question asks what perc...
Feb. 23, 2011 at 12:01:45AM
...    -2x x =5 (-inf...
Feb 21, 2011 at 12:44:36PM
\$1.00 Mathematics word problem Solution by a quadratic equation
...7 x^2-6x-7=0 (x+1)(x-7)=0 x=-1 or x=7 x=-1 is obviously an extran...
Feb 21, 2011 at 12:27:20PM
\$1.00 Mathematics word problem Solution by a linear equation
...ld. In 3 years the age of Cheryl (supposedly, the sister) will be...
Feb 21, 2011 at 12:20:11PM
\$1.00 Mathematics Algrebra word problem Solution by a linear equation
...+(3/4)x+(3/4)x=100 (10/4)x=100 x=100/(10/4) = 100*4...
Feb 21, 2011 at 12:14:04PM
\$5.00 Mathematics A surveyor standing on the top of a building looks down and sees the building... Trigonometry solution
... thus (60-x)/60 = (tan 44.5)/(tan 53.2) 1-x/60 = (tan 44.5)/(...
Feb. 21, 2011 at 11:51:27AM
\$1.00 Mathematics OMG HELP!!!! Exponential growth
...ds to t=0 So, f(0) = ab^0 = a = 800 and f(t...
Feb. 15, 2011 at 01:22:24AM
\$1.00 Mathematics i need help!!!! Solution
... f(-2) = 175 = ab^(-2) f(2) = 7/25 = ab^2 or a/(b^2) = 175 ab^2 = 7/25 Notice that if we multip...
Feb. 15, 2011 at 12:38:39AM
\$1.00 Mathematics Line 1: 3x+5y=-2Line 2: y=x-2(0,-2) points and lines
...ine -1 = 1-2, is in the second line   x=-4, y=2: 3*(-4)+5*...
Feb 14, 2011 at 7:58:56PM
\$0.50 Physics At the beginning of a basketball game, a referee tosses the ball straight up... Solution
...pens down. Its vertex is at t=-b/(2a) = 4.2/9.8 = 0.42857 sec...
Feb 13, 2011 at 7:22:57PM
\$0.50 Mathematics ALL steps required. Exponents
...(-27x^9)^(1/3) =...
Feb. 13, 2011 at 01:47:41AM
\$0.25 Mathematics Word Problem Proportion
...nd A and 5*63=315 mililiters of compound B. ...
Feb. 13, 2011 at 01:45:41AM
\$0.25 Mathematics indicate operations- perenthesis, negative 4 x to the second power parenthesis, to the second power equals? powers
...(x^2)...
Feb 12, 2011 at 6:46:04PM
\$1.00 Mathematics Through (3,-1);perpindicular to 9y=x-18. the equation of the line is f(x)=? Perpendicular lines
...1/m The slope of the line 9y=x-18 is: divide bo...
Feb 12, 2011 at 6:17:46PM
\$1.00 Mathematics simplify the expression 12n(8) Simplifying
...cation is comm...
Feb 12, 2011 at 2:56:14PM
...hment...
Feb 11, 2011 at 10:43:40PM
\$1.00 Mathematics Complex variable question? Solution
...+ (i)^2 = 1+2i -1 = 2i ...
Feb 11, 2011 at 10:32:29PM
\$5.00 Mathematics 400 hundred students surveyed, 159 were Venn Diagram
... students took math, english o...
Feb 11, 2011 at 9:54:27PM
.... P^2 = 3^3 = 27, so P is the square root of 27, which is 5.196 years 4. A figure with excentr...
Feb 11, 2011 at 9:43:24PM
\$7.00 Mathematics I need help on the following questions. Equations
...of perpendicular lines relate as m = -1/M so, we have: 5y=-6x+2, y = (-6/5)x+2/5, the slope of the given line is (-6/5), the slope of a perpendicula line is then 5/6, and we have the equation: y-8 =......
Feb 11, 2011 at 9:10:20PM
\$1.00 Mathematics Use a tree diagram to solve this problem. Over a long period of time, a... Tree diagram
...                       no sale           2                                                                         no sale                                 sale                3                      ......
Feb 11, 2011 at 4:19:38PM
\$1.00 Mathematics integral function The integral
...hment...
Feb 11, 2011 at 3:26:45PM
\$1.00 Mathematics Webworks number 12 equation
...=0     or     cos t - 1 =0 so cos t = -1/2    or    cos...
Feb 10, 2011 at 10:57:39PM
\$1.00 Mathematics I need help figuring out the way to find Linear inequality
...r equation, with one important difference though. First, you move all numbers to the right side of the inequality: 7x 7x Formally sp...
Feb. 09, 2011 at 12:05:52AM
\$1.00 Mathematics Help me understand this Algebra Critical Region defined by |x|+|y|<=5
...the boundaries of your region. Look at the equation |x|+|y| = 5. Consider each quadrant of the coordinate plane separately: Ist quadrant: x>0, y>0, so |...
Feb 07, 2011 at 9:05:30PM
\$1.00 Mathematics find the third, fourth, and fifth terms Sequence
... n with 3 everywhere to find the third term: A_3 = (-1)^3 ...
Feb 07, 2011 at 8:15:13PM
\$0.75 Mathematics Order the Expression Odering fractions
... (1/3)^{-...
Feb. 07, 2011 at 01:34:18AM
\$5.00 Mathematics Help me understand this Algebra 2 problem Limit of a function
...loser to 0. So, we say f(x)->0 as x->+infinity. Another situation Look at f(x) = x/(x+1). Again, examining the behavior of the function as we increase the values of x, we observe, the f(x) gets......
Feb 06, 2011 at 8:09:13PM
\$2.00 Computer-Science C++ function Function for a vowel
Feb 06, 2011 at 7:31:12PM
\$1.00 Computer-Science write a function that will flip a matrix Solution in C++
... the ...
Feb 06, 2011 at 5:45:41PM
\$1.50 Mathematics Algrebra Solution by a linear equation.
...0.05x+ 750 - 0.06x=700 -0.01x = -50 x=(-50)/(-.0.01) = 5000 S...
Feb 06, 2011 at 2:07:25PM
\$1.00 Mathematics Algrebra Equation for percentages
... of x=x+0.12x=1.12x. We...
Feb 06, 2011 at 2:00:26PM
\$1.00 Mathematics a rope 180 long is cut into three pieces Solution by a linear equation
...(2x) = 6x. The sum of lengths is 180ft, so we have an equation: x+2x+6x...
Feb. 06, 2011 at 11:58:37AM
\$4.00 Mathematics Math 116 Substitution method
...= -43 44x = -308 x= -7 substituting x=7 into the expression y=7x+53, we get y = -49 + 53 = 4 so, x=-7, y=4. ------------- 6x+5y=-17 -5x+y=40 from the second equation, y= 5x+40 substit...
Feb 04, 2011 at 11:50:41PM
\$1.00 Physics Gauss' law3 Flux through the face of a cube.
...at is, the normal vector to the surface is also constant, then the flux of the field through the surface is just the dot product F . n multiplied by the area of the surface. You didn't provide a......
Feb 04, 2011 at 9:24:26PM
\$1.00 Physics Gauss' law7 Gauss Law
...re would mean that it's precisely in the center of the cube, and thus the flux through each face of the cube is the same. Thus, the flux through the square is 1/6 of the total ...
Feb 04, 2011 at 7:57:00PM
...=at^2+bt+c we have that the vertex is at t=-b/2a. The vertex delivers the maximum of the function is the coefficient a In our case, a=-2, b=12, c=54, so the ...
Feb 04, 2011 at 1:35:04PM
\$0.25 Mathematics Dr. Pepper left Oakville at 9:00AM... Solution
...h, the distance from Oakville to Central ...
Feb 04, 2011 at 1:24:08PM
\$0.50 Mathematics Math problem on measure,mean, or median Mean and median
... The median seems to provide a better estimate the ...
Feb 04, 2011 at 12:35:18PM
\$1.00 Computer-Science define PERT and CPM Definitions and descriptions
...e tasks involved into comleting the project and calculate the minimum time required for completing the project.  Usually it's used together with the Critical Path Method, ab...
Feb. 04, 2011 at 02:43:36AM
\$1.00 Mathematics A number divided by 7 is 23. What is the Dividend
...quotient, we obtain t...
Feb 03, 2011 at 9:16:49PM
\$5.00 Computer-Science When would you use a repetition statement? (min 250 words) Repetition statement
...s, until the value obtained on the currenet step gets within the precision bounds. In this case the use of repetition statements is mandatory, since it's not usually known beforehand how many steps......
Feb 03, 2011 at 7:07:54PM
\$1.00 Computer-Science Please answer the question. Thanks 12th James Bond Movie :)
...t has to...
Feb. 03, 2011 at 11:54:24AM
\$0.50 Mathematics math question Solution to this problem by a system of equations.
... it ran 20x miles on x gallong. For each gallon of gas the second car ran 35 miles, so it ran 35y on y gallons of gas. The total mileage was 20x+35y, and ...
Feb 02, 2011 at 11:43:08PM
\$0.50 Mathematics graph the line on the attachment To graph a line
...ne, if x=0, then y=4 and if x=8, ...
Feb 02, 2011 at 11:34:21PM
\$0.25 Mathematics math questions Prime factors
...o represent an integer as a product of prime factors is to find any diviso...
Feb 02, 2011 at 11:22:45PM
\$1.00 Mathematics Find the area of a trapezoid with these Area of a trapezoid
...n points (4,5) and (8,5). The base is horizontal, so we don't even need to use the distance formula, the length of this base is 4. To find the length of the second base, we find...
Feb 02, 2011 at 10:19:22PM
\$1.00 Mathematics The subway train system in London, Engla Train stops
...ur, then there are 5*270 = 1350...
Feb 02, 2011 at 9:52:15PM
\$5.00 Mathematics one to one correspondence One-to-one correspondence
...3 -> b It's easy to see that every element of A is paired with exactly one element of B, but the element a of B is pared with two different elements ...
Feb 02, 2011 at 5:17:50PM
\$1.00 Mathematics Help me solve this math problem The city work Percentages
...which is 19,540 * 2.25/...
Feb. 02, 2011 at 11:26:35AM
\$1.00 Mathematics Three partners share ownership of a boat Shared ownership
...enominator of 1/6 by 2. Now, the shares should add up to 1, so if x is the third partner's...
Feb 01, 2011 at 7:59:28PM
\$1.00 Mathematics Round to the nearest tenth:60.52631 Rounding
...igit is the first one after the decimal point. When roundi...
Feb 01, 2011 at 6:49:56PM
\$1.00 Mathematics Describe whether the data described are Type of data
...bes the quality of the object, lire its c...
Feb 01, 2011 at 6:11:24PM
\$1.00 Mathematics Help me with inverse functions and findi Finding the inverse of a function
...   For example, find the inverse of f(x) = 3x+4 1. ...
Feb 01, 2011 at 12:38:42PM
\$1.00 Mathematics solve the equation for y. 2x/3-3y/4=2 Solving an equation for a variable
... all terns that contain this variable, on one side ...
Feb. 01, 2011 at 11:03:46AM
\$1.00 Mathematics Glenn invest a principle of \$4000 at 5% Solving by an equation
...must be \$500. So, 5% of (4000+x) = 500 0.05*(4000+x)=500 ...
Feb. 01, 2011 at 10:54:02AM
\$1.00 Mathematics what is the range of the function t=s wh Domain and range
...e set of all values it takes. If the ...
Jan 31, 2011 at 7:38:50PM
\$1.00 Mathematics please help me solve this math problem, Solution to this problem by a system of equations.
... \$2000, and here's our first equation: x+y=2000 Now, 3% of x and 4% of y brought him 72 dollars, so 0.03x+0.04y=72 and this is our ...
Jan 31, 2011 at 7:36:36PM
\$1.00 Mathematics Determine the ordered pairs which consti Vertex, y-intercept and zeros
...tex is obtained by substituting this value for x in the equation. We have: b=-3, a=1, so...
Jan 31, 2011 at 12:35:16PM
\$1.00 Mathematics Please help me understand how to solve this. Solving by a system of linear equations
...t is given: The sum of three numbers is 10: x+y+z=10 The first number if the sum of the second and the third: x=y+z Th...
Jan 30, 2011 at 6:20:44PM
\$1.00 Mathematics Factor out GCF Factoring GCF
...cients of the polynomial GCF(12,30,24) = 6 12 = 6*2, 30=6*5, 24=6*4 so 12x^4t+30x^3t-24x^2t^2 = 6(2x^4t...
Jan. 30, 2011 at 01:44:06AM
\$0.25 Mathematics Help Thevalue of c
...= 0.12 * 51 + c 15.46 = 6.12 + c 15.46 - 6.12...
Jan. 30, 2011 at 12:22:43AM
\$1.00 Mathematics problem 2 to complet Complementary angles
...s. Suppose, the measure of ABC is x degrees. The...
Jan 29, 2011 at 1:41:36PM
\$1.00 Mathematics For our quadratic expression Vertex, range and zeors
...into the equation and solving it for y. In our case y=0-4=-4 To find the x-intercepts of the equation, ...
Jan. 28, 2011 at 10:35:58AM
\$1.00 Mathematics For our quadratic expression Vertex and range
...rabola y=ax^2+bx+c, the x-coordinate of the vertex is x=-b/(2a), and the y-coordinate is obtained by substituting...
Jan. 28, 2011 at 10:23:24AM
\$1.00 Chemistry shot heard around the world Sound traveling around the world
...nd at sea level is 340.29 meters per second. The...
Jan. 28, 2011 at 02:09:37AM
\$0.50 Physics 10.The SI units of electric Charge are? SI units
...mbol "C" The co...
Jan. 28, 2011 at 01:16:34AM
\$1.00 Mathematics Find the x coordinate of the point on the curve y=x+6x^1, x> 0 where the... Slope of the tangent line
...(a). The derivative of the function y = x+6x^{-1} is 1-6x^{-2} It follows from the form...
Jan 27, 2011 at 9:39:39PM
\$1.00 Mathematics A car traveling at 48 ft/sec decelerates at a constant 4 ft/sec/sec. How many... Driving distance
...velocity is the derivative of the position, the position function is the integral...
Jan 27, 2011 at 9:17:36PM
\$0.50 Mathematics geo1-1 Simplifying
...x group into -2ax =5[2x^2 - 2ax] - 10x^2 = 10...
Jan. 27, 2011 at 10:56:45AM
\$1.00 Mathematics My first answer wasn't good enough so I need to answer the bottom Discriminant as a perfect square, integer factorization
... Then, if both b and a in the expression ax^2+bx+c are rational numbers, then the solutions to ...
Jan. 27, 2011 at 10:34:21AM
\$1.00 Mathematics what s the answer to 2(3-4)+6 = ? Solution
...=-1 Then, you mutiply it by 2...
Jan. 27, 2011 at 12:22:17AM
\$1.00 Mathematics x+y=7x+y=19i need to find the x and System of equations (with explanations)
... 19 at the same time. Formally, you can shouw that the system is inconsistent, by subtracting the equat...
Jan 26, 2011 at 11:02:20PM
\$0.25 Mathematics math question Solution by an equation
...r x: 75 + 0.30x = 0.80x subtract 0.30x from both sides to obtain 7...
Jan 26, 2011 at 10:49:07PM
\$1.00 Computer-Science Floating Point data Your function
...end the whole ...
Jan 26, 2011 at 8:51:45PM
\$0.50 Mathematics GEO1-5 Factor theorem
...ide x^3+5x^2+2X-8 by (x-1), we get x^3+5x^2+2x-8 = (x-1)(x^2+6x...
Jan 26, 2011 at 5:21:55PM
\$0.50 Mathematics geo1-4 Factoring
...e coefficient at x. There's only one such pair, -5 and 3. So, we check tha...
Jan 26, 2011 at 5:15:42PM
\$2.00 Mathematics x(t) = -½gt2 + x(t=0) We have, as we kno Galileo experiments
...the probblem, as the time should be positive. We conclude that is takes 1.5686379 seconds for the object dropped from the first storey of the Leaning Tower to reach the ground. The second equation......
Jan 25, 2011 at 5:10:33PM
\$1.00 Mathematics help me figure out 2/3 of 30 i am doing Two-thirds
...rds of a number, you divide the number by 3 a...
Jan 24, 2011 at 10:06:46PM
\$1.00 Mathematics 8feet to 10feet percent Percentages
...number a to a number...
Jan 24, 2011 at 7:04:28PM
\$1.00 Mathematics you have two apples and three teacher ho Apples for teachers
...h apple into 3 equal parts and give eac...
Jan 24, 2011 at 4:31:49PM
\$1.00 Mathematics name three fractions whose decimal euiva Three fractions
...be written as 40/100 reducing by 10, we get 4/...
Jan 24, 2011 at 4:21:17PM
\$5.00 Mathematics I have tried to do these problems but I' Logic, detailed solutions
...achme...
Jan 23, 2011 at 6:39:18PM
\$1.00 Physics 2. An electron is just above a fixed pro Direction of the force
...s negatively charged. They at...
Jan 23, 2011 at 3:38:46PM
\$0.50 Physics 6.How does magnitude of the electric for Electric force
...cles, as folloes from the formula of C...
Jan 23, 2011 at 3:09:33PM
\$0.50 Mathematics geo07 Equation
...all numbers on the other side. 2ax=-1-3c/2d ...
Jan 23, 2011 at 2:33:11PM
\$0.25 Mathematics Slope Slope
...ll be (x2,y2). Say, (x1,y1) = (3,5)...
Jan. 23, 2011 at 12:50:52AM
\$1.50 Mathematics State the degree of the polynomial. Then Degree
...e in it. The degree of this polynomial is 3. When we ...
Jan 22, 2011 at 11:54:17PM
\$0.25 Mathematics Evaluate Solution
...-5) = -(-2)^2- 5(-5...
Jan 22, 2011 at 11:50:38PM
\$1.00 Mathematics Find the values of x at which the curve given by the equation (1/3)*x^3 (1.... Tangent lines
...where the derivative f'(x) is zero. Differentiating f(x)=(1/3)x^...
Jan 22, 2011 at 11:47:20PM
\$1.00 Mathematics Consider the function f(x) = [ 10 /( x3 )] [ 9 /( x 5 )]. Let F(x) be the... Antiderivative
... the function as f(x) = 10x^(-3)-9x^(-5) and use the fact that the antiderivative of x^n is (x...
Jan 22, 2011 at 11:33:46PM
\$1.00 Mathematics Consider the function f(x) = 2 x3 5 x2 + 4 x 6. An antiderivative of f(x)... Antiderivatives
...he antiderivative of the function x^n is (x^{n+1})/(n+1). So, the antiderivative of 2x^3 i...
Jan 22, 2011 at 11:23:14PM
\$10.00 Mathematics basic algebra help Equations and fractions
...hment...
Jan 22, 2011 at 5:46:18PM
\$1.00 Mathematics Which ordered pair is a solution to this y= 4x-1 Solution to a linear equation in two variables
... for x and calculate, if possible, the corresponding vaue of y. In our case we c...
Jan 22, 2011 at 3:01:55PM
\$1.00 Mathematics Stereo Expected value
...e values. In our case we have the expected vaeu of the profit as...
Jan 22, 2011 at 1:36:43PM
\$1.00 Mathematics ruby Conditiona probability
...pondent=female | st...
Jan 22, 2011 at 1:27:52PM
\$2.00 Mathematics simplify this question √ 45 The square root
... âˆš 45 = ...
Jan 20, 2011 at 8:56:58PM
\$1.00 Mathematics Help me understand this math problem: The equation
...of the numbers is zero. So, either x=0 or x^2+2x-48=0 The equation x^2+2x-48=0 is quadratic and...
Jan 20, 2011 at 8:45:58PM
...he at...
Jan 20, 2011 at 8:38:11PM
\$1.00 Mathematics algebra 1 Simplifying
...e the...
Jan 20, 2011 at 8:32:24PM
\$1.00 Mathematics how many solutions do two intersecting l Intersecting lines
...en they don't intersect at a...
Jan 20, 2011 at 6:32:04PM
\$1.00 Computer-Science LET A =[a,b,c] and B =[1.0] how many dif Functions
...uch function can be written as a string of three symbols: f(a)...
Jan 19, 2011 at 8:39:22PM
\$4.00 Mathematics algebra math Linear functions
...tachm...
Jan 19, 2011 at 3:54:21PM
\$1.00 Mathematics prime factorization Prime factorization tree
...h any nontrivial divisors of 56, not ...
Jan 19, 2011 at 3:25:54PM
\$1.00 Mathematics Exhibit that our value -3 - 2* 2 i Verifying a solution
...See t...
Jan. 19, 2011 at 10:23:38AM
\$1.00 Mathematics MATH 209 Slopes
... so the coefficient at x is the slope of this line. So, the slope is D. The...
Jan. 19, 2011 at 08:45:23AM
\$2.00 Mathematics algebra math Linear function to fit the data
...the ...
Jan. 18, 2011 at 11:28:18AM
\$2.00 Mathematics algebra math Linear function
... the ...
Jan. 18, 2011 at 11:01:26AM
\$5.00 Mathematics algebra math Equations of lines
...chmen...
Jan. 18, 2011 at 09:23:29AM
\$1.00 Mathematics HOW DO YOU FIGURE THIS MATH PROBLEM 5+7( Calculation
...peration inside parentheses: 2-9 = -7 Then, we calculat...
Jan 17, 2011 at 11:33:04PM
\$5.00 Mathematics Solving Points and Understanding Functions Points and functions -- solution
...he at...
Jan 16, 2011 at 1:33:37PM
\$0.50 Mathematics sierra purchased an ice cream cone for h Equation in one variable
... \$8, so we have an equation for x: 4x = 8 To solve it, we divide bot...
Jan. 16, 2011 at 11:58:18AM
\$5.00 Mathematics Equation & Inequalities Solutions
...the a...
Jan. 15, 2011 at 01:45:47AM
\$1.50 Mathematics im lost Slope and y-intercept
... the line. So, to find the slope and the y-intercept of a line from its equation, we ned to put this equation in slope-...
Jan 14, 2011 at 4:17:49PM
\$1.00 Mathematics how do u find the area of a parallelogram Area of a parallelogram
...lied by the height, dropped onto this side. If, however, two adja...
Jan 13, 2011 at 6:59:06PM
\$3.00 Mathematics Please Show Work For The Following Problems Three solutions
...ce altogether we had 31000 people, the number of people who bought the general admission tickets was (31000-x). x people paid \$11 each. Together, they paid 11x dollars. (31000-x) people paid \$5......
Jan 13, 2011 at 6:42:03PM
\$1.00 Mathematics What is one tenth of y? One tenth
...by 10 or by multiplying by 1/10. So, formally, if ...
Jan 13, 2011 at 6:28:37PM
\$1.00 Sociology how does the earth rotates? Earth rotation
...un rises on the East, because ...
Jan 13, 2011 at 1:07:10PM
\$1.00 Mathematics The absolute valuve of any positive numb Absolute value
...umber itself is zero. The absolute value of a positive number is the number itself: |7| = 7 The absolute value of a negative number (a...
Jan. 13, 2011 at 11:10:23AM
\$1.00 Mathematics In the prime factorization of an integer Prime factors
...ince p>sqrt(n), and q>sqrt(n), then pq>n, so n = pqs >= pq > n A contradiction. If an integer is a perfect square, in the prime factorizat...
Jan. 13, 2011 at 09:41:32AM
\$1.00 Mathematics graph each function by anslating y=|x|. Graph of a function
..., if c>0 and c units down otherwise. We...
Jan 11, 2011 at 8:31:38PM
\$5.00 Computer-Science C Programming C code
...; printf("The Volts DC is %d/n", VDC); The condition VDC The Volts DC is 12 Then, the value of VDC is re...
Jan 11, 2011 at 8:13:52PM
\$2.00 Mathematics math 116 Relation which is not a function
... more than once as the first member of the pair. Here's an ex...
Jan 11, 2011 at 3:50:21PM
\$1.00 Mathematics math 116 Domain and range
...t their meanig and he role in the function definition are different.   A real-world function can be constructed as follows: Suppose we want to dr...
Jan 11, 2011 at 3:47:06PM
\$1.00 Mathematics math 116 Linear equation and function
...ines y as a function of x. If B = 0, and then, usually, we just skip the y-term in the equation, then t...
Jan 11, 2011 at 3:38:12PM
\$1.00 Mathematics help me with find the greatest common fa Greatest common factor
...1, 2, 3, 4, 6, 8, 12 and 24 The cators of 15 are 1, 3, 5, 15 The greatest commo...
Jan 11, 2011 at 2:52:48PM
\$0.25 Mathematics MTH 209 Square of the difference
... formula for the square of the diff...
Jan. 11, 2011 at 11:10:48AM
\$0.75 Mathematics MTH 209 Simplifying
...he equation has an equality sign in it. I presume, you need to simplify this. First, write ...
Jan. 11, 2011 at 10:37:39AM
\$1.00 Mathematics help me understand this probability ques Three-door puzzle
...nd it. Here's a reference: http://www....
Jan. 11, 2011 at 12:01:29AM
\$1.00 Mathematics Please Show Work:A gas station sells 4 Linear function
... that passes through points (1.35,4820) and (1.40,3899) To find its eqiation, we first find the slope of this line: m = ...
Jan 10, 2011 at 11:49:19PM
\$1.00 Mathematics find the value of r so that the line thr Slope
...b)/(c-a) The slope of a line that passes through points (8,r)...
Jan 10, 2011 at 11:35:55PM
\$1.00 Mathematics Please Show Work: a washer is made by re Another washer
... the bigger disk is pi*5^2 = 25*pi The area of th...
Jan 10, 2011 at 11:27:01PM
\$1.00 Mathematics Please Show Work:A rancher has 2280 fe Fence
... creek are x feet long each, then the remaining side has length ...
Jan 10, 2011 at 11:19:45PM
\$1.00 Mathematics when you arrive at the music store to bu Total cost
... buy music for 10 people. For each CD we pay \$11, so for x CDs we w...
Jan 10, 2011 at 11:14:12PM
...i * x^2 Thus, we have the remaining area A(x) = 121*pi - ...
Jan 10, 2011 at 11:08:40PM
\$1.00 Mathematics how many centimeters equal 550 millimete Centimeters
...s. So, 550 m...
Jan 10, 2011 at 10:12:48PM
\$1.00 Physics How much heat does it take to raise the temperature... Specigic heat
...mass of the material, and T-T0 is the temperature change. Solving this for Q, we get Q=cm(T-T0), so in...
Jan 10, 2011 at 8:36:47PM
\$0.25 Mathematics need the % Criminals
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Jan 10, 2011 at 7:00:54PM
\$1.00 Mathematics i am doing simplification an i do not ge Simplification
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Jan 10, 2011 at 6:30:39PM
\$0.25 Mathematics Chapter 4 Describing Data problem 4. part b Score needed
...+100+95+90+x)/5 And we want it to be 95. So, we...
Jan 10, 2011 at 5:38:34PM
\$1.00 General-Questions what substance is comonly used as a means for comparasion for density Density
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Jan 10, 2011 at 5:34:14PM
\$0.25 Mathematics Chapter 4 Describing Data question 9 Percentile
... 4.7% of 46...
Jan 10, 2011 at 5:26:26PM
\$0.25 Mathematics Chapter 4 Describing Data question 8 Range and standard deviation
...the sum of the squares of the differences between each data...
Jan 10, 2011 at 5:22:24PM
\$0.25 Mathematics Chapter 4 Describing Data question 3 Mean value
...the mean score of 70 after 6 quizzed, that means, (q1+q2+q3+q4+q5+q6)/6 = 70, that is, q1...
Jan 10, 2011 at 5:09:21PM
\$0.25 Mathematics Describing Data Median, Mean, Mode
...ata: 48 48 52 53 58 61 68 75 and take the average ...
Jan 10, 2011 at 5:01:55PM
\$0.25 Mathematics Chapter 4 Describing Data: (problem 2) The mean value
...he avera...
Jan 10, 2011 at 4:57:15PM
\$1.00 Mathematics factoring using the distributive propert Factoring
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Jan 09, 2011 at 11:46:45PM
\$3.00 Mathematics MAT 115 Week 6 test ONLY 3 QUESTIONS NEEDED! Answers and explanations
...unt at r% interest, in n years the ampunt of money in the account is  P=A(1+r/100)^n In our case the amount is P=7800(1.06)^2=8,764   11) D...
Jan 09, 2011 at 11:45:11PM
\$1.00 Mathematics whats the anwser to this math problem? 5 Cobining terms
...together, and add the numbers: ...
Jan 09, 2011 at 8:24:39PM
\$1.00 Mathematics Algebra Help Combinations
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Jan 09, 2011 at 6:09:17PM
\$1.00 General-Questions Which is not a feature of life shared by most Western Europeans? Answer ... Answer
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Jan 09, 2011 at 3:28:51PM
...function z=x+y (the total numbe of stops) subject to the following conditions: 45x + 15...
Jan 09, 2011 at 1:21:58PM
\$4.00 Mathematics Statistics - 52 Card Pick Up Question The expectation value for a game
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Jan 08, 2011 at 6:50:28PM
\$2.00 Mathematics No. of gun deaths Values of a linear function
...27153 First, subtract 27153 from both sides of the equation -14216 = -1777x The...
Jan 08, 2011 at 4:20:02PM
\$2.00 Mathematics Protein mixture Solving by a system of linear equations
... resulting mixture, which is 240 lbs to have 11% protein, that is, to contain 0.11*240 = 24.6 lbs of potein. Thus, we have the second equation: 0.12x+0.06y = 24.6 The variables in ...
Jan 08, 2011 at 4:10:51PM
\$2.00 Mathematics Life expectancy Linear function
...pply this process here. If t is the the number of years since 1995, then 1995 corresponds to t=0, and y(0)=63.4, and the year 2000 corresponds to t=5, so y(5) = 66.2 The rate o...
Jan 08, 2011 at 4:01:41PM
\$5.00 Mathematics Finite Mathematics Finding the slope from an equation
...-x0) here (x0,y0) are coordinates of one point in the line, and m is the slope of the line; and the slope-intercept form y=mx+b here m is the slope and b is the y-intercept o...
Jan 07, 2011 at 8:44:40PM
\$1.00 Mathematics Ahmed has half of a treasure map, which Solution by an equation
...is, (0,0). Then, if we move x paces to he north, we arrive at point with coordinates (0,x), and if from there we move 2x+4 paces east, we arrive at point (2x...
Jan 07, 2011 at 4:16:46PM
\$1.00 Mathematics What is the difference between a term an Term vs factor
...terms, while in the expression 2x, the coefficient 2 is a factor, and x is a fac...
Jan. 07, 2011 at 10:50:19AM
\$1.00 Mathematics 156 divide by 40 is what Division with remainder vs division of rational numbers
...swer really depends on the problem. We can divide 156 by 40 as integers and get a...
Jan. 07, 2011 at 12:14:08AM
\$1.00 Mathematics if you have\$750 with %12 interest in how Doubling time for an investment
...we have 750 + (12/100)*750 = (1+12/100)*750 2 years: we have (1+12/100)*750 + 12/100 (1+12/100)*750 = (1+12/100) 2 *750 [this is the amount of money that is in the account at the end of the first......
Jan. 07, 2011 at 12:08:14AM
\$1.00 Mathematics a rectangle has a whole number side leng Solution to this problem by a system of equations.
...ter of the new rectangle is 110cm. So, we have two equations: 6x+4y=110 6xy=204 The variables x and y in both equations refer to the same quantities, so the equations have to be solved together,......
Jan 06, 2011 at 11:28:17PM
\$1.00 Mathematics How many karats Solution to this problem by a system of equations.
... problem: x+y=12 Now, since one cubic centimeter of gold weighs 19.3 grams, then x cubic centimeters of gold in the necklace eigh 19.3x grams. Similarly, the y cubic centimeters of copper in the......
Jan 06, 2011 at 10:50:44PM
\$1.00 Mathematics write each mixed number as a fraction. w Mixed numbers and fractions
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Jan 05, 2011 at 8:58:57PM
\$0.25 Mathematics math Interval solutions to inequalities
...s the closed interval [4,infinity). The bracket on the left means that 4 i...
Jan 05, 2011 at 8:36:07PM
\$1.00 Psychology I need help with a problem from my stati Normal distribution
...ndard deviations of the mean and about 99.7% of the valies lie within 3 standard deviations of the mean. For the value of a person's IQ to be above 115, it must be to the right of the ...
Jan 03, 2011 at 7:50:15PM
\$5.00 Mathematics Math 116 Please I need help with this questions Linear equations, linear and non-linear functions.
...e we don't have y in the equation explicitly, the equation of the form ax = c can not be solved for y, and we can't define y as a function of x by this equation. N...
Jan 03, 2011 at 6:59:06PM
\$1.00 Mathematics help me understand this math problem. "W Arithmetic series.
... with several numbers and have to guess what number comes next. Usually, these numbers form an arithmetic sequence or a geometric sequence, so we check for these cases first, and only i...
Dec 30, 2010 at 2:58:58PM