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Probability-and-statistics/323553: Two dice are rolled and one letter is chosen from a, b or c. Use the counting principle to determine the number of possible outcomes. 1 solutions Answer 231518 by Fombitz(13828)   on 2010-07-18 23:29:01 (Show Source): You can put this solution on YOUR website! Rolling two dice gives you 36 possible outcomes. So for each letter choice you'd have 36 possible outcomes. Since there are 3 letters that would make 3*36 or 108 possible dice/letter outcomes.

Money_Word_Problems/323547: What is the average change of rate for the function y=(3/x-2)? 1 solutions Answer 231517 by Fombitz(13828)   on 2010-07-18 23:27:23 (Show Source): You can put this solution on YOUR website! Over what interval?

Probability-and-statistics/323286: 1. (10 points) Refer to the Real Estate data , which reports information on homes sold in Venice, Florida, last year. The data is attached in Excel. Let selling price be the dependent variable and size of the home the independent variable. a. Determine the regression equation. b. Estimate the selling price for a home with an area of 2,200 square feet. c. Determine the 95 percent confidence interval and d. the 95 percent prediction interval for the selling price of a home with 2,200 square feet. Data: Price Bedrooms Size Pool Distance Twnship Garage Baths 263.1 4 2300 1 17 5 1 2 182.4 4 2100 0 19 4 0 2 242.1 3 2300 0 12 3 0 2 213.6 2 2200 0 16 2 0 2.5 139.9 2 2100 0 28 1 0 1.5 245.4 2 2100 1 12 1 1 2 327.2 6 2500 0 15 3 1 2 271.8 2 2100 0 9 2 1 2.5 221.1 3 2300 1 18 1 0 1.5 266.6 4 2400 0 13 4 1 2 292.4 4 2100 0 14 3 1 2 209 2 1700 0 8 4 1 1.5 270.8 6 2500 0 7 4 1 2 246.1 4 2100 0 18 3 1 2 194.4 2 2300 0 11 3 0 2 281.3 3 2100 0 16 2 1 2 172.7 4 2200 1 16 3 0 2 207.5 5 2300 1 21 4 0 2.5 198.9 3 2200 1 10 4 1 2 209.3 6 1900 1 15 4 1 2 252.3 4 2600 0 8 4 1 2 192.9 4 1900 1 14 2 1 2.5 209.3 5 2100 0 20 5 0 1.5 345.3 8 2600 0 9 4 1 2 326.3 6 2100 0 11 5 1 3 173.1 2 2200 1 21 5 1 1.5 187 2 1900 0 26 4 0 2 257.2 2 2100 0 9 4 1 2 233 3 2200 0 14 3 1 1.5 180.4 2 2000 0 11 5 0 2 234 2 1700 0 19 3 1 2 207.1 2 2000 0 11 5 1 2 247.7 5 2400 0 16 2 1 2 166.2 3 2000 1 16 2 1 2 177.1 2 1900 0 10 5 1 2 182.7 4 2000 1 14 4 0 2.5 216 4 2300 0 19 2 0 2 312.1 6 2600 0 7 5 1 2.5 199.8 3 2100 0 19 3 1 2 273.2 5 2200 0 16 2 1 3 206 3 2100 1 9 3 0 1.5 232.2 3 1900 1 16 1 1 1.5 198.3 4 2100 1 19 1 1 1.5 205.1 3 2000 1 20 4 0 2 175.6 4 2300 1 24 4 1 2 307.8 3 2400 1 21 2 1 3 269.2 5 2200 0 8 5 1 3 224.8 3 2200 0 17 1 1 2.5 171.6 3 2000 1 16 4 0 2 216.8 3 2200 0 15 1 1 2 192.6 6 2200 1 14 1 0 2 236.4 5 2200 0 20 3 1 2 172.4 3 2200 0 23 3 0 2 251.4 3 1900 0 12 2 1 2 246 6 2300 0 7 3 1 3 147.4 6 1700 1 12 1 0 2 176 4 2200 0 15 1 1 2 228.4 3 2300 0 17 5 1 1.5 166.5 3 1600 1 19 3 0 2.5 189.4 4 2200 0 24 1 1 2 312.1 7 2400 0 13 3 1 3 289.8 6 2000 0 21 3 1 3 269.9 5 2200 1 11 4 1 2.5 154.3 2 2000 0 13 2 0 2 222.1 2 2100 0 9 5 1 2 209.7 5 2200 1 13 2 1 2 190.9 3 2200 1 18 3 1 2 254.3 4 2500 1 15 3 1 2 207.5 3 2100 1 10 2 0 2 209.7 4 2200 1 19 2 1 2 294 2 2100 0 13 2 1 2.5 176.3 2 2000 1 17 3 0 2 294.3 7 2400 0 8 4 1 2 224 3 1900 1 6 1 1 2 125 2 1900 0 18 4 0 1.5 236.8 4 2600 1 17 5 1 2 164.1 4 2300 0 19 4 0 2 217.8 3 2500 0 12 3 0 2 192.2 2 2400 0 16 2 0 2.5 125.9 2 2400 0 28 1 0 1.5 220.9 2 2300 1 12 1 1 2 294.5 6 2700 0 15 3 1 2 244.6 2 2300 0 9 2 1 2.5 199 3 2500 1 18 1 0 1.5 240 4 2600 0 13 4 1 2 263.2 4 2300 0 14 3 1 2 188.1 2 1900 0 8 4 1 1.5 243.7 6 2700 0 7 4 1 2 221.5 4 2300 0 18 3 1 2 175 2 2500 0 11 3 0 2 253.2 3 2300 0 16 2 1 2 155.4 4 2400 1 16 3 0 2 186.7 5 2500 1 21 4 0 2.5 179 3 2400 1 10 4 1 2 188.3 6 2100 1 15 4 1 2 227.1 4 2900 0 8 4 1 2 173.6 4 2100 1 14 2 1 2.5 188.3 5 2300 0 20 5 0 1.5 310.8 8 2900 0 9 4 1 2 293.7 6 2400 0 11 5 1 3 179 3 2400 0 8 4 1 2 188.3 6 2100 1 14 2 1 2.5 227.1 4 2900 0 20 5 0 1.5 173.6 4 2100 0 9 4 1 2 188.3 5 2300 0 11 5 1 3 1 solutions Answer 231433 by Fombitz(13828)   on 2010-07-18 08:19:17 (Show Source): You can put this solution on YOUR website! a) xave=2223.81 yave=221.1029 SSXX=6430476 SSYY=230767.6 SSXY=451992.9 b=0.07029 a=yave-b*xave=64.79 b) $219,4000 c) (,) (,)

Probability-and-statistics/323324: A certain deck of cards contains 2 blue cards, 2 red cards, 2 yellow cards, and 2 green cards. If two cards are randomly drawn from the deck, what is the probability that they will both are not blue? A. 15/28 B. 1/4 C. 9/16 D. 1/32 E. 1/16 1 solutions Answer 231432 by Fombitz(13828)   on 2010-07-18 07:57:51 (Show Source): You can put this solution on YOUR website! Do you choose one card, look at it and replace the first card in the deck? Or do you choose two cards and then look at them both.

Problems-with-consecutive-odd-even-integers/323330: (0.8x - 0.1)^2 multiply can some one help me 1 solutions Answer 231431 by Fombitz(13828)   on 2010-07-18 07:54:24 (Show Source): You can put this solution on YOUR website! Use the FOIL method,

Problems-with-consecutive-odd-even-integers/323333: Determine the leading term, leading coefficient, and the degree of the polynomial -x - 4x^2 - 4x^3 - 3x^5 + 4 what do they mean 1 solutions Answer 231430 by Fombitz(13828)   on 2010-07-18 07:52:08 (Show Source): You can put this solution on YOUR website! Order the terms of the polynomial in decreasing order of powers of x. In this case, it would be, The leading term is then, The leading coefficient (the constant in front of the highest power of x) is The degree (the highest power of x) is 5.

Radicals/323084: ((sqrt 11 - sqrt 7)/(sqrt 11 + sqrt 7))Solve 1 solutions Answer 231298 by Fombitz(13828)   on 2010-07-16 22:27:16 (Show Source): You can put this solution on YOUR website!

Quadratic_Equations/323085: How do you know when an equation has infinitely many solutions? 1 solutions Answer 231294 by Fombitz(13828)   on 2010-07-16 22:10:04 (Show Source): You can put this solution on YOUR website! Do you mean a system of linear equations or do you mean an equation that's really an identity??

Quadratic-relations-and-conic-sections/323047: 9(x-2)^2+4(y+2)^2=36 1 solutions Answer 231293 by Fombitz(13828)   on 2010-07-16 22:09:05 (Show Source): You can put this solution on YOUR website! What's the question regarding the ellipse?

Quadratic_Equations/323065: how to solve this equation x2( to the second power) - 2x - 13=0 1 solutions Answer 231292 by Fombitz(13828)   on 2010-07-16 22:08:16 (Show Source): You can put this solution on YOUR website! You can complete the square or use the quadratic formula. Completing the square:

Linear-equations/323076: For each line, use the given conditions to write an equation in the point-slope form and the slope-intercept form. Slope = 4, passing through (1, 3) Slope = 8, passing through (4, –1) Slope = –5, passing through (–4, –2) Slope = –2, passing through (0, –3) 1 solutions Answer 231291 by Fombitz(13828)   on 2010-07-16 22:06:45 (Show Source): You can put this solution on YOUR website! I'll show you how to do one and you can do the rest. Use the point-slope form, Do the remaining ones the same way.

Equations/322973: 1=1/3a-5 1 solutions Answer 231250 by Fombitz(13828)   on 2010-07-16 17:01:11 (Show Source): You can put this solution on YOUR website! Solve for I assume?

real-numbers/322978: Multiply and Simplify. Assume variables represent nonzero real numbers. c^13 * c^0 Simplify and type exponential notation with Positive Exponents. Thanks!! 1 solutions Answer 231249 by Fombitz(13828)   on 2010-07-16 17:00:04 (Show Source): You can put this solution on YOUR website!

Polynomials-and-rational-expressions/323028: Find the greatest common factor of the two expressions 18x^7y^3 and 10ux^3y^9 . Simplify your answer as much as possible. Please help!! 1 solutions Answer 231248 by Fombitz(13828)   on 2010-07-16 16:57:48 (Show Source): You can put this solution on YOUR website! Look for common factors.

Polynomials-and-rational-expressions/323025: Can you factor this problem... 5x+8t^2-tx-40t 1 solutions Answer 231247 by Fombitz(13828)   on 2010-07-16 16:54:30 (Show Source): You can put this solution on YOUR website!

Radicals/322954: Simplify by taking the roots of the numerator and denominator. Assume that all expressions under radicals represent positive numbers. 3 square root of 1000x^14 / y^3 Use radicals as needed and state if it is NOT a real number. thank you for your help. 1 solutions Answer 231245 by Fombitz(13828)   on 2010-07-16 16:51:43 (Show Source): You can put this solution on YOUR website!

Polynomials-and-rational-expressions/322942: The question is (p^2q^2/p^-4q^5)^-3. Can you help? 1 solutions Answer 231244 by Fombitz(13828)   on 2010-07-16 16:45:25 (Show Source): You can put this solution on YOUR website!

expressions/322937: simplify (a2b^3c/2b^2c^3)^4 Evaluate (1/3)^3 + 5/27 – 1/3 x (1/9)^2 1 solutions Answer 231242 by Fombitz(13828)   on 2010-07-16 16:41:50 (Show Source): You can put this solution on YOUR website! . . . Use the common denominator .

Probability-and-statistics/322916: A certain deck of cards contains 2 blue cards, 2 red cards, 2 yellow cards, and 2 green cards. If two cards are randomly drawn from the deck, what is the probability that they will both are not blue? 1 solutions Answer 231240 by Fombitz(13828)   on 2010-07-16 16:35:37 (Show Source): You can put this solution on YOUR website! You didn't mention with or without replacement. 2 B 2 R 2 Y 2 G 8 total cards . . . With replacement, P(1st B)=2/8=1/4 P(2nd B)=1/4 P(both blue)=(1/4)(1/4)=1/16 P(both not blue)=1-1/16=15/16 . . . Without replacement, P(1st B)=2/8=1/4 P(2nd B)=1/7 P(both blue)=(1/4)(1/7)=1/28 P(both not blue)=1-1/28=27/28

Polynomials-and-rational-expressions/322932: factor x^2+2mn–m^2–n^2 1 solutions Answer 231239 by Fombitz(13828)   on 2010-07-16 16:32:12 (Show Source): You can put this solution on YOUR website! First some simplification, . . The difference of two squares.

Surface-area/322910: hi, a square shaped garden has a side of 6ft. whats the are? thx. 1 solutions Answer 231236 by Fombitz(13828)   on 2010-07-16 16:29:00 (Show Source): You can put this solution on YOUR website! The area of a square is, , where s is the measure of the side. sq. ft.

Exponential-and-logarithmic-functions/322957: What is the value of the logarithmic expression 3log[40](10) - 2log[40](5) 1 solutions Answer 231235 by Fombitz(13828)   on 2010-07-16 16:28:12 (Show Source): You can put this solution on YOUR website!

Graphs/322975: Graph the line: y + 2 = 2(x + 2) 1 solutions Answer 231233 by Fombitz(13828)   on 2010-07-16 16:25:44 (Show Source): You can put this solution on YOUR website! The line is in point-slope form, where and (xp,yp)=(-2,-2). Plot the point (-2,2). . . . The slope is change in y over change in x. When x changes 1, y changes 2. Find the coordinates of another point starting from (-2,2), x: y: (-1,0) is another point on the line. Plot it also. . . . Then add the line that goes through both points. . . .

Circles/323002: how can I draw a 20 meter circle (65.62Ft) I would use a rope and white sand to draw it out. I would have to start in the middle to keep it in the corner of the riding ring. (This is for horse training) Hope it is simple for you NOT for Me! Thanks 1 solutions Answer 231230 by Fombitz(13828)   on 2010-07-16 16:19:36 (Show Source): You can put this solution on YOUR website! I assume you mean 20 m radius circle. If not divide by 2. Place a stake in the ground, at least 20 m from any wall. Tie the rope to the stake. Attach another stake to the other end of the rope. Pull the rope tight and walk a complete revolution while dragging the other stake around the center point.

Quadratic_Equations/323004: x^2-20X=10, can we solve this by completing the square? 1 solutions Answer 231227 by Fombitz(13828)   on 2010-07-16 16:14:47 (Show Source): You can put this solution on YOUR website! Yes we can.

Linear-equations/323021: how do I solve for x 1x + 2y<= 20 Well how do I get the x by itself. 1 solutions Answer 231224 by Fombitz(13828)   on 2010-07-16 16:10:57 (Show Source): You can put this solution on YOUR website! <--- Subtract 2y from both sides.

Linear-equations/323013: soybean meal is 18% protein, cornmeal is 9% protein. how many pounds of each should be mixed together in order to get 360lb mixture that is 17% protein? 1 solutions Answer 231223 by Fombitz(13828)   on 2010-07-16 16:10:14 (Show Source): You can put this solution on YOUR website! Let S be the amount of soybeans, C cornmeal. 1. 2. From eq. 1, Substitute into eq. 2, Then from eq. 1, . . . 320 lbs of soybean, 40 lbs of cornmeal.

Linear_Algebra/323008: Assume that x,y,z and b are positive numbers Use the properties of logarithms to write each expression in terms of logarithms of x,y and z log[b]3xz 1 solutions Answer 231222 by Fombitz(13828)   on 2010-07-16 16:07:30 (Show Source): You can put this solution on YOUR website!

logarithm/323018: 3^(x+3)+3^x=84 (hint 3^x+3=3^x3^3) please help... Solve the equation 1 solutions Answer 231221 by Fombitz(13828)   on 2010-07-16 16:06:12 (Show Source): You can put this solution on YOUR website!

Problems-with-consecutive-odd-even-integers/322905: 5n^4 - 10n^3 - 7n + 25 i need some help 1 solutions Answer 231180 by Fombitz(13828)   on 2010-07-16 11:19:56 (Show Source): You can put this solution on YOUR website! What's the question you need help with?

Graphs/322935: Find the slope and the y-intercept of the line 8X+4Y=12 1 solutions Answer 231179 by Fombitz(13828)   on 2010-07-16 11:18:40 (Show Source): You can put this solution on YOUR website! Put the equation in slope-intercept form, Slope: Intercept . . .