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Linear-systems/369589: Find the x-intercept of the graph of the equation: x + 6y = 7 Find the x-intercept of the graph of the equation: 4x + y = 3 1 solutions Answer 263444 by Fombitz(13828)   on 2010-11-11 15:56:44 (Show Source): You can put this solution on YOUR website! To find the x-intercept, set and solve for . (,) . . . To find the x-intercept, set and solve for . (,)

Reduction-of-unit-multipliers/369680: what is the root of the equation: x to the 2nd - 4x = -3? 1 solutions Answer 263442 by Fombitz(13828)   on 2010-11-11 15:52:48 (Show Source): You can put this solution on YOUR website! and

Reduction-of-unit-multipliers/369682: Use four unit multipliers to convert 36 square yards to square inches 1 solutions Answer 263441 by Fombitz(13828)   on 2010-11-11 15:50:36 (Show Source): You can put this solution on YOUR website! Four but you only need one. 1 yard=12 inches (1 yd)^2=(12 inches)^2 1 sq.yd=144 sq.inches sq.inches

Reduction-of-unit-multipliers/369684: 20% of what number is 18? 1 solutions Answer 263440 by Fombitz(13828)   on 2010-11-11 15:48:39 (Show Source): You can put this solution on YOUR website!

Reduction-of-unit-multipliers/369689: what percent of 8300 is 996? 1 solutions Answer 263439 by Fombitz(13828)   on 2010-11-11 15:48:05 (Show Source): You can put this solution on YOUR website! Time to get out the calculator for the final answer.

Linear-equations/369653: how do i solves for the parallel line of y=2/3x-3 that passes through (-6,-1) 1 solutions Answer 263431 by Fombitz(13828)   on 2010-11-11 15:37:51 (Show Source): You can put this solution on YOUR website! Parallel lines have identical slopes. . . . . Use the point (,) to solve for . . .

test/369663: Your question goes here. Write clearly! We are not mind readers, so be sure to ask a question that we can understand. 1 solutions Answer 263429 by Fombitz(13828)   on 2010-11-11 15:34:41 (Show Source): You can put this solution on YOUR website! Please re-post.

Linear-systems/369675: how would you write this in basic form (y= mx+b) y = 5 - 3x 1 solutions Answer 263427 by Fombitz(13828)   on 2010-11-11 15:33:57 (Show Source): You can put this solution on YOUR website! Just re-arrange it.

Numbers_Word_Problems/369665: The product of two numbers is 442. The sum of the two numbers is 43. Find the two numbers. 1 solutions Answer 263426 by Fombitz(13828)   on 2010-11-11 15:32:53 (Show Source): You can put this solution on YOUR website! 1. 2. From eq. 2, Substitute into eq. 1, Factor, Two solutions: . . . . Then, . . The two numbers are 17 and 26.

Graphs/369668: Can someone please show me the steps to solving the system x+y=20 and x-y=28, using the substitution method? Thank you! 1 solutions Answer 263425 by Fombitz(13828)   on 2010-11-11 15:29:03 (Show Source): You can put this solution on YOUR website! 1. 2. From eq. 1, Substitute into eq. 2, Then from eq. 1,

logarithm/369671: Using the power law solve the folowing to the nearest hundredth. I can get the problem so far and then I get confused as to what I should do next. (x+2)log2 = (x-1)log5 xlog2 + 2log2 = xlog5 - log5 xlog2 -xlog5 = -log5 - 2log2 x(log2/5) = And now I am stuck, if anyone could help me wth what to do next, it would be greatly appreciated. Thanks 1 solutions Answer 263422 by Fombitz(13828)   on 2010-11-11 15:27:08 (Show Source): You can put this solution on YOUR website!

Probability-and-statistics/369672: The probability that a fisherman catches a tuna in any one trip is 0.15 What is the probability, (3 decimals) that he catches a tuna on: At least one of three excursions? (The answer is .386, but how?) 1 solutions Answer 263420 by Fombitz(13828)   on 2010-11-11 15:23:49 (Show Source): You can put this solution on YOUR website! Look at all of the possible outcomes for 3 excursions- is catches, is doesn't catch. There are possible outcomes. Only one outcomes has him not catching at least one, DDD P(DDD)+P(at least 1 C)= P(at least 1 C)= P(at least 1 C)= P(at least 1 C)=

test/369641: Find the special product. (9r^3 + 2s)(9r^3 - 2s) 1 solutions Answer 263404 by Fombitz(13828)   on 2010-11-11 14:20:49 (Show Source): You can put this solution on YOUR website! How is a special product different from just the product??

Complex_Numbers/369636: x^6-7x^3-8 In need to factor completely and find all the zeros Can I seperate the-8 from the rest and factor out x^3 to get x^3(x^3-7)= 8 or should i be using synthetic division? 1 solutions Answer 263402 by Fombitz(13828)   on 2010-11-11 14:18:17 (Show Source): You can put this solution on YOUR website! Your best bet is use a substitution and the quadratic formula. Let , then , then solve Once you find substitute back to .

test/369637: Multiply using the FOIL method. (7 - 9t)(1 + 6t) 1 solutions Answer 263401 by Fombitz(13828)   on 2010-11-11 14:14:15 (Show Source): You can put this solution on YOUR website!

test/369633: Multiplying Polynomials Find the Product. (x+1/7)^3 1 solutions Answer 263400 by Fombitz(13828)   on 2010-11-11 14:12:12 (Show Source): You can put this solution on YOUR website!

Travel_Word_Problems/369542: If a truck traveled 5 miles in 323 seconds, how fast is he moving. 1 solutions Answer 263398 by Fombitz(13828)   on 2010-11-11 14:08:16 (Show Source): You can put this solution on YOUR website! Rate*Time=Distance miles/second

Graphs/369630: y=7x=8 1 solutions Answer 263397 by Fombitz(13828)   on 2010-11-11 14:07:04 (Show Source): You can put this solution on YOUR website! Correct your equation. Only one "=" sign allowed.

Travel_Word_Problems/369626: A car leaves town A going toward B at 50 miles per hour. At the same time, another car leaves B going toward A at 55 miles per hour. How long will it be before the two cars meet if the distance from A to B is 630 miles? 1 solutions Answer 263396 by Fombitz(13828)   on 2010-11-11 14:06:31 (Show Source): You can put this solution on YOUR website! Rate*Time=Distance . . . Find when hrs

Linear-systems/369621: Find the y-intercept of the graph of the equation: y - 3x = 4 Find the x-intercept of the graph of the equation: x + 6y = 7 1 solutions Answer 263395 by Fombitz(13828)   on 2010-11-11 14:04:37 (Show Source): You can put this solution on YOUR website! To find the x-intercept, set and solve for . (,) . . . To find the y-intercept, set and solve for . (,)

Complex_Numbers/369627: How can I put (3+2i)(x-i) into a_bi form? 1 solutions Answer 263394 by Fombitz(13828)   on 2010-11-11 14:02:44 (Show Source): You can put this solution on YOUR website! Use the FOIL Method,

Permutations/369622: A test consists of 10 true-or-false questions. If a student randomly chooses answers for each question, find the probability that the student: Answers at least 1 question correctly. (3 decimals) I got 2^10 = 1,024 I did this way, but does not work, very close... C(10,1)/1024 = 10/1024 = .00976 The answer is 0.999 but how? 1 solutions Answer 263393 by Fombitz(13828)   on 2010-11-11 14:01:14 (Show Source): You can put this solution on YOUR website! Find the probability that the student answers none correctly. P(none)+P(not none)=1 P(not none)=1-P(none) So "not none" means he answer at least one correctly... up to and including all 10 correctly . . . P(none)= P(not none)= P(not none)=

Coordinate-system/369623: Find the equation of the line that contains the point (4, 5) and is perpendicular to the line y = 5/4x − 3 1 solutions Answer 263392 by Fombitz(13828)   on 2010-11-11 13:57:19 (Show Source): You can put this solution on YOUR website! Perpendicular lines have slopes that are negative reciprocals. Use the slope-intercept form, Use the point (4,5) to determine . . . . .

Age_Word_Problems/369533: Three brothers have ages that are consecutive odd integers. The difference between the age of the oldest and twice the age of the youngest is twenty-four less than the middle brother’s age. Find their ages. 1 solutions Answer 263391 by Fombitz(13828)   on 2010-11-11 13:43:00 (Show Source): You can put this solution on YOUR website! , , and are the ages. The brothers are 13, 15, and 17 years old.

Money_Word_Problems/369607: Sam is a salesman. He receives a base salary of $65,000 per year. In addition, he receives 7% of his sales amount for the year. What are the sales amounts that will allow him to earn more than $75,500 in a year? Use for the sales amount (in dollars), and solve your inequality for . 1 solutions Answer 263390 by Fombitz(13828)   on 2010-11-11 13:40:59 (Show Source): You can put this solution on YOUR website!

Mixture_Word_Problems/369618: How many Kg of a 35% copper alloy must be added to 62 Kg of a 75% copper alloy to give you a 50% copper alloy? 1 solutions Answer 263389 by Fombitz(13828)   on 2010-11-11 13:39:26 (Show Source): You can put this solution on YOUR website! Let A be the amount of 35% copper alloy. kg

Coordinate-system/369619: Find the equation of the line containing the point whose coordinates are (4, 3) and parallel to the graph of 5x + y = −4. 1 solutions Answer 263388 by Fombitz(13828)   on 2010-11-11 13:37:39 (Show Source): You can put this solution on YOUR website! A parallel line would have the same left hand side as the given equation with a different right hand side. Use the point (4,3) to determine the new right hand side. . . .

Rational-functions/369593: FIND THE DOMAIN OF THE FUNCTION f(x)= 4/ square root of x - 9 "f(x) equals 4 divided by the square root of x - 9" The answer is x > 9. But I keep getting the answer- x is greater than OR EQUAL to 9. What am i doing wrong?? HELP PLEASE. 1 solutions Answer 263387 by Fombitz(13828)   on 2010-11-11 13:34:19 (Show Source): You can put this solution on YOUR website! The domain of the function is all the x values for which is defined. The square root function is defined as long as the argument is not negative. Division by zero is also undefined so the x value when the denominator equals zero is not in the domain. . . . So both of those must hold: x must be greater than or equal to 9 and x cannot equal 9, so that leaves that . . . Domain: or in interval notation, (,) . . .

Money_Word_Problems/369617: Jim has gotten scores of 77 and 77 on his first two tests. What score must he get on his third test to keep an average of 80 or greater? 1 solutions Answer 263386 by Fombitz(13828)   on 2010-11-11 13:28:49 (Show Source): You can put this solution on YOUR website!

Money_Word_Problems/369601: The interest on an investment varis directly as the rate of interest. If the interest is $48 when the interest rate is 5%, find the interest when the rate is 4.2%.My math book doesn't give any examples on how to solve these kinds of word problems. 1 solutions Answer 263384 by Fombitz(13828)   on 2010-11-11 13:27:48 (Show Source): You can put this solution on YOUR website! is to % as is to % . .

Triangles/369598: If AB = 3 centimeters, and BC = 4 centimeters, which does AC equal? 1 solutions Answer 263382 by Fombitz(13828)   on 2010-11-11 13:25:27 (Show Source): You can put this solution on YOUR website! Is ABC a right triangle??