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 Angles/342558: m angle M = 4x +14 and m angle N=6x-24 Determine whether angles M and N are acute, obtuse or right angles1 solutions Answer 245488 by Fombitz(13828)   on 2010-09-14 15:27:22 (Show Source): You can put this solution on YOUR website!More information is needed i.e. the relationship between M and N, in order to solve.
 Distributive-associative-commutative-properties/342577: (x + 4)(x2 - x + 9) 1 solutions Answer 245486 by Fombitz(13828)   on 2010-09-14 15:21:53 (Show Source):
 Linear-equations/342594: A line L, has slope 11. the line passes through which of the following pair of points perpendicular to L,?1 solutions Answer 245485 by Fombitz(13828)   on 2010-09-14 15:19:36 (Show Source): You can put this solution on YOUR website!No pairs are provided. Please re-post.
 Inequalities/342604: x-y<5 (8,3) 1 solutions Answer 245484 by Fombitz(13828)   on 2010-09-14 15:18:43 (Show Source): You can put this solution on YOUR website! False
 Geometry_Word_Problems/342619: A can of paint will cover 70 square feet. How many cans of paint are needed to paint a wall 5 feet high and 98 feet long? 1 solutions Answer 245483 by Fombitz(13828)   on 2010-09-14 15:17:44 (Show Source): You can put this solution on YOUR website!Calculate the area of the wall. sq.ft. Each can can cover 70 sq. ft. so then cans Seven cans are needed for one coat of paint on the wall.
 Polynomials-and-rational-expressions/342808: 8x^3y^4/10xy^6 * 30xy^4/5x^2y^21 solutions Answer 245482 by Fombitz(13828)   on 2010-09-14 15:15:00 (Show Source):
 Travel_Word_Problems/342665: Two children, who are 252 meters apart start walking toward each other at the same instant at rates of 1.4m/s and 2.1m/s. when will they meeT? How far will each have walked?1 solutions Answer 245481 by Fombitz(13828)   on 2010-09-14 15:12:01 (Show Source): You can put this solution on YOUR website!Rate*Time=Distance . . . . . . Find when sec . . . Child 1 walked m Child 2 walked m
 real-numbers/342999: is 8/2 rational or irrational number 1 solutions Answer 245480 by Fombitz(13828)   on 2010-09-14 15:08:53 (Show Source): You can put this solution on YOUR website!Rational, it's the ratio of two integers, 8 and 2.
 Angles/342740: a fence is 926' long and 12' hight. a can of 5 gallons of paint cover 20,000 square feet. How many cans of paint should i buy?1 solutions Answer 245479 by Fombitz(13828)   on 2010-09-14 15:08:20 (Show Source): You can put this solution on YOUR website!The fence area is sq.ft.. Since one 5 gallon can can cover 20000 sq.ft., you only need one can.
 Angles/342985: The first angle of a triangle is half the measure of the second angle. The measure of the third angle is 40 degrees more than 4 times the measure of the first. Find the measure of each angle. 1 solutions Answer 245478 by Fombitz(13828)   on 2010-09-14 15:06:20 (Show Source): You can put this solution on YOUR website!For a triangle, . . . . . . . . . Substitute into the first equation, degrees Then degrees . . degrees
 Numeric_Fractions/342897: Simplify this fraction. I tried getting the common denominator and then cross multiplying. I completed all the other problems like this one correctly, just can't get this certain one. My test is tomorrow. Please help! c+(8/c^2) / c+(2/c)1 solutions Answer 245477 by Fombitz(13828)   on 2010-09-14 15:03:06 (Show Source): You can put this solution on YOUR website!Multiply numerator and denominator by
 Exponential-and-logarithmic-functions/342896: In a fast-food restaurant, the ratio of people eating hamburgers to people eating chicken is 4:3. There are 84 people in the restaurant. How many people are eating hamburgers and how many are eating chicken?1 solutions Answer 245476 by Fombitz(13828)   on 2010-09-14 14:58:35 (Show Source): You can put this solution on YOUR website! . . . 48 are eating hamburgers, 36 are eating chicken.
 Trigonometry-basics/342893: graph the expression and find two periods: 1/2sec(pie x/3-pie/3)1 solutions Answer 245475 by Fombitz(13828)   on 2010-09-14 14:57:13 (Show Source):
 absolute-value/342990: What is the solution to 24-[2X-5]=4, i used [ ] to stand for absolute value1 solutions Answer 245474 by Fombitz(13828)   on 2010-09-14 14:54:35 (Show Source): You can put this solution on YOUR website! and and and and
 Radicals/342970: Find the third root of 4/9x^21 solutions Answer 245471 by Fombitz(13828)   on 2010-09-14 14:51:07 (Show Source):
 Quadratic_Equations/342559: find the quadratic model ofr each set of values. (-1,-1),(1,-3)(2,8)1 solutions Answer 245467 by Fombitz(13828)   on 2010-09-14 14:44:45 (Show Source): You can put this solution on YOUR website!The general quadratic equation is Use the three points to get three equations in a,b, and c. (-1,-1): 1. . . . (1,-3): 2. . . . (2,8): 3. Add eq. 1 and eq. 2, 4. . . . Double eq. 1 and add to eq. 3, 5. Subtract eq. 4 from eq. 5, Then work backwards, . . . . . . . . . Verify the solution by plugging the x values into the equation and comparing the y values.
 Probability-and-statistics/342887: If three people are randomly sampled, what is the probability that one is born on your birthday (assume 365 days in a year)? I got: 3/365= 82%1 solutions Answer 245464 by Fombitz(13828)   on 2010-09-14 14:32:44 (Show Source): You can put this solution on YOUR website!Let the three people be , , and . The probability that you and A share a birthday is . The probability that you and B share a birthday is . The probability that you and C share a birthday is . So the probability that you and one of them share a birthday is % <--- You forgot the decimal point.
 real-numbers/342621: Please help my son and I understand the following two questions I think once we understand how you arrived at the answer we may be able to understand the other questions, name the subset of of the real number 1. 3/4 2. -8 Thanks 1 solutions Answer 245462 by Fombitz(13828)   on 2010-09-14 14:28:46 (Show Source): You can put this solution on YOUR website!1. Rational numbers, its a ratio of two integers 3 and 4. 2. Negative integers, the counting numbers 1, 2, 3, etc. and their negative counterparts, -1, -2, -3,...
 Exponential-and-logarithmic-functions/342976: can you simplify this expression assuming all variables are nonzero? 68f^5g^-3 over 4f^-3g^61 solutions Answer 245457 by Fombitz(13828)   on 2010-09-14 14:11:42 (Show Source):
 Probability-and-statistics/342886: How many ways can the letters RRSRSS be arranged? I got: (6)(5)(4)(3)(2)(1)= 720 ways1 solutions Answer 245456 by Fombitz(13828)   on 2010-09-14 14:09:57 (Show Source): You can put this solution on YOUR website!That would be the case if each of the letters was unique. You are overcounting. . . . Think about a simpler setup. Look at 3 distinct letters. ABC ACB BAC BCA CAB CBA 3!/(3-3)!=6 ways Now look at only 2 distinct letters but 3 total letters. AAC ACA CAA Only 3 different patterns available. If they were all the same then only AAA would be unique, 1 pattern. Think about it and repost if you need more help.
 Rectangles/342588: You know that the perimeter of a certain rectangle measures 22in. If its length and width each measure a whole number of inches, how many different areas (in square inches) are possible for this rectangle?1 solutions Answer 245455 by Fombitz(13828)   on 2010-09-14 14:03:10 (Show Source): You can put this solution on YOUR website!For a rectangle, Look at all of the integers that add to 11. sq.in. sq.in. sq.in. sq.in. sq.in. Five unique areas are possible.
 Angles/342971: Half the supplement of an angle is 12 degrees less than twice the complement of the angle. Find the measure of the larger angle.1 solutions Answer 245453 by Fombitz(13828)   on 2010-09-14 13:56:37 (Show Source): You can put this solution on YOUR website! 1. 2. . . . Multiply both sides by 2. 3. . . . Subtract eq. 1 from eq. 2, Substitute eq. 3, degrees Then, degrees
 Numeric_Fractions/342974: a negative fraction is what I need help with. the question is 2/3+(-1/4). I got 1/12. I added 2 to -1 and got 1. Then the common denominatior is 12, right? The back of my mathbook says the answer is 5/12. I am confused.1 solutions Answer 245452 by Fombitz(13828)   on 2010-09-14 13:43:44 (Show Source): You can put this solution on YOUR website!You need to get a common denominator before you can add/subtract the numerators. . . .
 Numeric_Fractions/342973: We are doing addition of negative fractions. The question is (-4/9)+1/2...my answer is 1/48, but I know the answer is 29/48 because I looked it up. How is it 29/48?1 solutions Answer 245451 by Fombitz(13828)   on 2010-09-14 13:41:44 (Show Source): You can put this solution on YOUR website!First, find a common denominator,
 Equations/342956: how do i work out x/3-4=21 solutions Answer 245450 by Fombitz(13828)   on 2010-09-14 13:37:55 (Show Source): You can put this solution on YOUR website! Multiply both sides by 3. Now solve for
 Angles/342926: Two angles are supplementary angles. The measure of the larger angle is 15 degrees more than 3 times the measure of the smaller angle. Find the ones digit of the smaller angle.1 solutions Answer 245447 by Fombitz(13828)   on 2010-09-14 13:17:05 (Show Source): You can put this solution on YOUR website! Substitute, degrees Then, degrees
 Coordinate-system/342923: M(-4,8) is the midpoint of line DE. D has coordiantes (6,1). find the midpoint 1 solutions Answer 245446 by Fombitz(13828)   on 2010-09-14 13:12:56 (Show Source): You can put this solution on YOUR website! Use the midpoint formula, Solve to find . . . Solve to find
 Mixture_Word_Problems/342922: How many quarts of water need to be added to 30 quarts of 40% alcohol to obtain a 20% alcohol solution?1 solutions Answer 245445 by Fombitz(13828)   on 2010-09-14 13:09:22 (Show Source): You can put this solution on YOUR website!In order to halve the concentration, double the volume of water. Add 30 quarts of water. Algebraically, here's the concentration equation, Let A be the amount of water added. Water is a 0% alcohol solution. quarts
 Travel_Word_Problems/342811: In a triangle, the measure of the first angle is 20 more than the measure of the second angle. The third angle is twice the measure of the second angle. Find the measure of the third angle.1 solutions Answer 245416 by Fombitz(13828)   on 2010-09-14 11:19:56 (Show Source): You can put this solution on YOUR website!In a triangle, . . . Substituting, degrees Then degrees
 Inequalities/342859: if (2m/3)>(1/3) then m could be what number? a -2 b -1 c 0 d 1/2 e 11 solutions Answer 245415 by Fombitz(13828)   on 2010-09-14 11:17:46 (Show Source): You can put this solution on YOUR website! Multiply by 3. Divide by 2. Which satisifes the final inequality?
 Numbers_Word_Problems/342854: The sum of two consecutive numbers divided by 3 is 71. What are the two numbers?1 solutions Answer 245414 by Fombitz(13828)   on 2010-09-14 11:16:19 (Show Source): You can put this solution on YOUR website! . . .