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Miscellaneous_Word_Problems/322374: A lawn mower cost $490 when new and is expected to last 10 years. What will it be worth in 6.5 years? 1 solutions Answer 230787 by Fombitz(13828)   on 2010-07-14 10:44:49 (Show Source): You can put this solution on YOUR website! In 10 years, it will be worth $0. Find the slope of the depreciation curve using the points (0,490) and (10,0). Find y when x=6.5 The value would be $171.50.

Volume/322375: what is the circumference of a 10 ft cylinder? 1 solutions Answer 230786 by Fombitz(13828)   on 2010-07-14 10:40:24 (Show Source): You can put this solution on YOUR website! A 10 ft diameter cylinder would have a circumference of A 10 ft radius cylinder would have a circumference of

Rectangles/322320: the length of a rectangle is 6m longer than its width. what are the possible widths if the area is at least 630 cm^2 1 solutions Answer 230785 by Fombitz(13828)   on 2010-07-14 10:39:12 (Show Source): You can put this solution on YOUR website! For a rectangle, In this case, and or approximately, cm Then cm and the area,

Graphs/322370: Find the equation of the line parallel to the line y = -9 and passing through the midpoint of the segment joining (-3, 1) and (-2, 9). 1 solutions Answer 230783 by Fombitz(13828)   on 2010-07-14 10:30:40 (Show Source): You can put this solution on YOUR website! Find the y coordinate of the midpoint. Use the slope intercept form with slope=0. . . .

Pythagorean-theorem/322352: Which of the following sets of 3 segments would make up the three sides of a right triangle? I. 3 cm – 4 cm – 5 cm II. 4 cm – 4 cm – 5 cm III. 13 cm – 12 cm – 5cm IV. 24 cm – 7 cm – 25 cm a. I only b. I and II only c. I, II, and III only d. I and IV only e. I, III, and IV only 1 solutions Answer 230782 by Fombitz(13828)   on 2010-07-14 10:26:34 (Show Source): You can put this solution on YOUR website! All right triangles follow the Pythagorean theorem. . . I) YES . . II) NO . . III) YES . . IV) YES . . . e) is the correct answer.

Triangles/322362: an isosceles right triangle with an hypotenuse of length 8 inches, find the area 1 solutions Answer 230781 by Fombitz(13828)   on 2010-07-14 10:20:23 (Show Source): You can put this solution on YOUR website! Find the height, The area of the triangle is, sq.in.

Linear-equations/322364: what are the intercepts of the equation 7x-2y-14z=56 1 solutions Answer 230780 by Fombitz(13828)   on 2010-07-14 10:17:43 (Show Source): You can put this solution on YOUR website! x-intercept, (8,0,0) . . . y-intercept, (0,-28,0) . . . z-intercept, (0,0,-4)

Expressions-with-variables/322365: Write the equation of the line that passes through the following point and is parallel to the following line. Write the answer in slope-intercept form. (-3 3) y+4x= -13 1 solutions Answer 230779 by Fombitz(13828)   on 2010-07-14 10:15:04 (Show Source): You can put this solution on YOUR website! The new equation would have the same left hand side (relationship between x and y) and a different right hand side. Use the point to determine the right hand side.

Rectangles/322321: A rectangle is inscribed inside the semi-circle y=square root of 100-x^2. what are the dimensions of the rectangle with maximum area? include a diagram 1 solutions Answer 230778 by Fombitz(13828)   on 2010-07-14 10:13:23 (Show Source): You can put this solution on YOUR website! For a rectangle, In this case, and Now area is only a function of x. Differentiate with respect to x to find the maximum. Set the derivative equal to zero. . . .

Problems-with-consecutive-odd-even-integers/322326: i redid this problem a cpl of time and this is what i keep getting can someone help me as what step i am missing = 5^10-[1/(5^8)] lcd = 5^8 Rewrite each fraction with the lcd as its denominator: [(5*8*5^10)/5*8] - [1/(5^8)] = [5^18/lcd] - [1/lcd] = [5^18 - 1]/5^8 1 solutions Answer 230775 by Fombitz(13828)   on 2010-07-14 09:55:59 (Show Source): You can put this solution on YOUR website! Yes, you're correct.

Polynomials-and-rational-expressions/322359: pat has been assigned the job of picking apples from the family orchard.he could do the job alone in 8 hours. he knows that his sister patti,could do the job in 7 hours.he begs her to help,and she agrees.how long will both of them take to pick the apples? round your answer to the nearest tenth 1 solutions Answer 230772 by Fombitz(13828)   on 2010-07-14 09:54:10 (Show Source): You can put this solution on YOUR website! Rate*Time=Output . . . Let Z be the total output of the orchard. Let Rp be Pat's rate, Let Ri be Patti's rate, . . . <--- Divide both sides by Z hours

Angles/322328: two angles are complementary the larger angle is 9 less than twice the smaller angle find the two angles 1 solutions Answer 230771 by Fombitz(13828)   on 2010-07-14 09:50:06 (Show Source): You can put this solution on YOUR website! Let A and B be the two angles. Substitute, degrees degrees

Square-cubic-other-roots/322357: please explain how this works 4square root of 2401. please help!!!!! 1 solutions Answer 230770 by Fombitz(13828)   on 2010-07-14 09:46:04 (Show Source): You can put this solution on YOUR website! In other words, what number to the 4th power equals 2401?

Graphs/322358: What is the equation of the line that passes through (-3, -1) and has a slope of 2/5 ? Put your answer in slope-intercept form. 1 solutions Answer 230769 by Fombitz(13828)   on 2010-07-14 09:44:54 (Show Source): You can put this solution on YOUR website! Use the point-slope form of a line, . . .

Graphs/322360: Find the x and y intercept 1-3y=7-2x 1 solutions Answer 230767 by Fombitz(13828)   on 2010-07-14 09:42:26 (Show Source): You can put this solution on YOUR website! To find the x-intercept, set and solve for . (3,0) . . . To find the y-intercept, set and solve for . (0,-2)

Inequalities/322251: how do I solve h(x)=5x/(x-8)(x+3)>=0 1 solutions Answer 230766 by Fombitz(13828)   on 2010-07-14 09:40:23 (Show Source): You can put this solution on YOUR website! Break up the number line into 4 regions. Region 1:(,) Region 2:(,] Region 3:[,) Region 4:(,) The regions cannot contain and since there is a discontinuity at those points. Hence the use of "(" and ")" instead of "[" and "]" at those points. Choose a point in each region (not an endpoint) and test the inequality. If the point satisfies the inequality, the region is part of the solution region. . . . Region 1: Let False, Region 1 is not in the solution region. . . . Region 2: Let True, Region 2 is part of the solution region. . . . Region 3: Let False, Region 3 is not part of the solution region. . . . Region 4: Let True, Region 4 is part of the solution region. . . . Solution Region:(,] U (,) . . . Graphical verification with h(x) plotted. Look for regions where . . .

Geometry_Word_Problems/322348: in square ABCD , p is the midpoint of DC and Q is the midpoint of AD. if the area of the quadrilateral QBCP is 15. what is the area of square ABCD ? 1 solutions Answer 230761 by Fombitz(13828)   on 2010-07-14 09:24:51 (Show Source): You can put this solution on YOUR website! . . . Let the side of the square equal . The area of QBCP plus the area of triangle ABQ and the area of triangle PDQ equal the area of the square ABCD. The area of the triangle is, ABQ: PDQ: QBCP: ABCD: Put it all together,

logarithm/322336: rewrite as single logarithm. 1/3logz + 5logx - 2logy Thanks 1 solutions Answer 230759 by Fombitz(13828)   on 2010-07-14 09:11:01 (Show Source): You can put this solution on YOUR website!

Systems-of-equations/322249: please help me solve this equation 3+(4-2)*3 1 solutions Answer 230758 by Fombitz(13828)   on 2010-07-14 09:08:36 (Show Source): You can put this solution on YOUR website! It's not an equation, it's an expression. Equations have equal signs.

Angles/322346: Find 7°39’46” + 5°24’33”. 1 solutions Answer 230757 by Fombitz(13828)   on 2010-07-14 09:06:43 (Show Source): You can put this solution on YOUR website! Start with seconds first. 46"+33"=79"=1' 19" Then with minutes, 39'+24'+1'(from above)=64'=1°4' Finally degrees, 7°+5°+1°(from above)=13° Put it all together, 7°39’46” + 5°24’33”=13°4'19"

Equations/322337: if 5/x = 24/5, what is x? 1 solutions Answer 230756 by Fombitz(13828)   on 2010-07-14 09:03:26 (Show Source): You can put this solution on YOUR website! Multiply both side by

Equations/322345: Tickets to a concert sere sold to adults for $3 and to students for $2. Is the total receipts were $824, and twice as many adult tickets were sold as student tickets, how many of each were sold? 1 solutions Answer 230755 by Fombitz(13828)   on 2010-07-14 09:00:51 (Show Source): You can put this solution on YOUR website! Let A be the number of adult tickets, S students tickets. 1. 2. Substitute eq. 2 into eq. 1, tickets Then from eq. 2, tickets

Radicals/322342: (3a^2)^1/2*(3^2a)^3/2 I know the answer is 3^7/3 9^5/2 but I just don't know how it was acheived. 1 solutions Answer 230754 by Fombitz(13828)   on 2010-07-14 08:58:25 (Show Source): You can put this solution on YOUR website!

Expressions-with-variables/322276: Find the slope of the line determined by the following equation. x=y 1 solutions Answer 230753 by Fombitz(13828)   on 2010-07-14 08:54:32 (Show Source): You can put this solution on YOUR website! The line is in slope-intercept form, where is the slope, the y-intercept. Comparing,

Graphs/322294: x + 2y = -4 how can i graph the equation above 1 solutions Answer 230752 by Fombitz(13828)   on 2010-07-14 08:52:50 (Show Source): You can put this solution on YOUR website! Quickest way is to find the x and y intercepts. To find the x-intercept, set y=0 and solve for x. (-4,0) Plot it. . . . . . . To find the y-intercept, set x=0 and solve for y. (0,-2) . . . Plot that point too. . . . . . . Now draw the line that goes through both points. . . .

Problems-with-consecutive-odd-even-integers/322327: the problem involves multiplication, not subtraction. An exponent rule involving multiplying like bases should lead to the correct result. (a^3 b)(ab)^4 (a^(3^b ) )*(ab)^4=a^3 +^4*b^1 +^4 (a^(3^b ) )*(ab)^4=a^7*b^5 i did multiply what did i do wrong 1 solutions Answer 230751 by Fombitz(13828)   on 2010-07-14 08:47:48 (Show Source): You can put this solution on YOUR website! You have the correct answer.

Linear-systems/322298: Solve the following system of linear equations by graphing: -6x+y=20 -4x+y=12 1 solutions Answer 230750 by Fombitz(13828)   on 2010-07-14 08:45:48 (Show Source): You can put this solution on YOUR website! Plot it. . . . Plot it too. . . . Looks like (-4,-4) is a solution. Verify using both equations. True True The ordered pair solves both equations, it's a good solution.

Conjunction/322301: Given p is true, q is true, and r is false, find the truth value of the statement ~p (~q r) 1 solutions Answer 230749 by Fombitz(13828)   on 2010-07-14 08:39:44 (Show Source): You can put this solution on YOUR website! There are no operators between p, q, and r. Please repost with symbols or explain them in words.

test/322309: -|2-3|+|-2-3| solve 1 solutions Answer 230748 by Fombitz(13828)   on 2010-07-14 08:38:11 (Show Source): You can put this solution on YOUR website! . .

Matrices-and-determiminant/322329: |-2 -3 -3 3| |-1 -2 -2 4| | 1 2 1 1| |-1 4 4 -2| 1 solutions Answer 230747 by Fombitz(13828)   on 2010-07-14 08:36:41 (Show Source): You can put this solution on YOUR website! What's the question?

Square-cubic-other-roots/322330: The cube root of 600 lies between what two consecutive numbers? 1 solutions Answer 230746 by Fombitz(13828)   on 2010-07-14 08:33:53 (Show Source): You can put this solution on YOUR website! . . . The cube root of 600 is between 8 and 9.