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Proportions/508077: what is the fraction notation for the ratio of 8640 to 14400 1 solutions Answer 340853 by rfer(12660)   on 2011-10-02 17:52:26 (Show Source): You can put this solution on YOUR website! =3/5

Numbers_Word_Problems/508013: The product of 5 and Y is greater thank or equal to the difference of Y and 16 1 solutions Answer 340837 by rfer(12660)   on 2011-10-02 16:12:54 (Show Source): You can put this solution on YOUR website! 5y >= y-16 4y >= -16 y >= -16/4 y >= -4

Circles/507993: Find the exact and approsimate circumference and area of the given circle. Diameter of circle is 14 m. 1 solutions Answer 340835 by rfer(12660)   on 2011-10-02 16:10:59 (Show Source): You can put this solution on YOUR website! c=3.14*14 c=43.96 m --------- a=3.14*r^2 a=3.14*7^2 a=153.86 m

Percentage-and-ratio-word-problems/508008: An appliance store advertises 10% off all of its dishwashers. You paid $576.00 for the dishwasher. FInd its original price. 1 solutions Answer 340833 by rfer(12660)   on 2011-10-02 16:08:04 (Show Source): You can put this solution on YOUR website! 576/0.9=$640

Numbers_Word_Problems/507994: the algebraic expression 30 minus a number h 1 solutions Answer 340832 by rfer(12660)   on 2011-10-02 16:07:01 (Show Source): You can put this solution on YOUR website! =30-h

Linear-equations/508006: write an equation of the line containing the specified point and parallel to the indicated line (0,-5) y= 4x+3 1 solutions Answer 340831 by rfer(12660)   on 2011-10-02 16:04:48 (Show Source): You can put this solution on YOUR website! y=mx+b -5=4*0+b b=-5 --------- y=4x-5

Money_Word_Problems/507996: A man bought 50 thousand Australian Dollars in January 2007 at A$1 = S$1.2789 and put it in a bank that pays a compound interest of 7.6% per annum compounded every 3 months. a. How much A$ will he have in the bank account in January 2007 ? My answer :: A = 50000(1+7.6/400)^8 A= A$ 58125.07 b. He exchanged all the A$ into S$ in January 2009 at the rate of A$1 = S$0.9876. Calculate the amount gain/loss for the investment, giving your answer in S$ correct to the nearest 50 cents. I can't get part b correctly. I've tried to convert both AS$50k and A$58125.07 into S$ using both rate in Jan 2007 and 2009. But I still can't get it correctly. Please help me :) 1 solutions Answer 340830 by rfer(12660)   on 2011-10-02 16:03:07 (Show Source): You can put this solution on YOUR website! A=50000(1+0.076/4)^8 A=50000(1.019)^8 A=5000*1.1625 A=58,125.07 (A$) ------------- 58125.07/0.9876=58,854.80 ($US)

decimal-numbers/505951: if 3 times a number is increased 0.2, the result is 23. Find the number. 1 solutions Answer 340040 by rfer(12660)   on 2011-09-28 12:46:43 (Show Source): You can put this solution on YOUR website! 3x+0.2=23 3x=23-0.2 3x=22.8 x=22.8/3 x=7.6

Percentage-and-ratio-word-problems/505973: you are asked to administer 85 mg of Lidocaine. Lidocaine is packaged 25 mg in 5 ml. how many ML do you administer? show work 1 solutions Answer 340039 by rfer(12660)   on 2011-09-28 12:45:06 (Show Source): You can put this solution on YOUR website! 83/25=3.32 3.32*5=16.6 ml

Percentage-and-ratio-word-problems/505975: aspirin are provided in 60 mg tablets. you need to give your patient 240 mg. how many tablets do you give? show work 1 solutions Answer 340038 by rfer(12660)   on 2011-09-28 12:43:24 (Show Source): You can put this solution on YOUR website! 240/60=4 aspirin

Numeric_Fractions/505907: How do I simplify [8(7-20-4]-[9-(9-8)] 1 solutions Answer 340037 by rfer(12660)   on 2011-09-28 12:42:24 (Show Source): You can put this solution on YOUR website! [8*-17]-[9-1] -136-1=-137

Percentage-and-ratio-word-problems/505971: DETERMINE IF THE FOLLOWING PROPORTION IS EQUAL (SHOW WORK) 4/8=8/16 1 solutions Answer 340036 by rfer(12660)   on 2011-09-28 12:38:50 (Show Source): You can put this solution on YOUR website! 4/8=1/2 8/16=1/2 1/2=1/2

Percentage-and-ratio-word-problems/505972: solve for a missing component in the following 48/x = 120/10 (show work) 1 solutions Answer 340035 by rfer(12660)   on 2011-09-28 12:37:57 (Show Source): You can put this solution on YOUR website! 120x=48*10 120x=480 x=480/120 x=4

Age_Word_Problems/505945: one apple cost 8 $ how many apple can be purchase in 50 $ 1 solutions Answer 340034 by rfer(12660)   on 2011-09-28 12:36:57 (Show Source): You can put this solution on YOUR website! 50/8=6.25 answer=6 apples can by a part of an apple.

Polynomials-and-rational-expressions/505952: 1. Factor out the greatest common factor from the expression 15x^5-9x^4 may I please get some help with this problem please. 1 solutions Answer 340033 by rfer(12660)   on 2011-09-28 12:35:00 (Show Source): You can put this solution on YOUR website! =3x^4(5x-3)

Polynomials-and-rational-expressions/505957: 6. Factor the expression into a product of binomials. 49x^2-42xy+9y^2 I don't know how to do this please help. 1 solutions Answer 340032 by rfer(12660)   on 2011-09-28 12:32:43 (Show Source): You can put this solution on YOUR website! =(7x-3y)(7x-3y)

Polynomials-and-rational-expressions/505966: 9. Factor the following expression completely: 45x^3y – 80xy can someone assist me with this? 1 solutions Answer 340031 by rfer(12660)   on 2011-09-28 12:29:54 (Show Source): You can put this solution on YOUR website! =5xy(3x+4)(3x-4)

Money_Word_Problems/505931: round 5.5% of $60 to the nearest centh 1 solutions Answer 340030 by rfer(12660)   on 2011-09-28 12:26:55 (Show Source): You can put this solution on YOUR website! 60*0.055=3.3=$3.30

test/505947: 3/4y = 2/3y + 5 1 solutions Answer 340029 by rfer(12660)   on 2011-09-28 12:25:35 (Show Source): You can put this solution on YOUR website! 9/12y-8/12y=5 1/12y=5 y=5/(1/12) y=5*12/1 y=60/1 y=60

Linear-equations/505962: Find the x- and y- intercepts of -2x+4y=8. Use these intercepts to graph the line. 1 solutions Answer 340028 by rfer(12660)   on 2011-09-28 12:23:02 (Show Source): You can put this solution on YOUR website! First put in slope intercept form. y=mx+b 4y=2x+8 y=2/4x+8/4 y=2/4x+2 -------------- slope m=2/4 y int b=2

Expressions-with-variables/505736: simplify the expression -43 + (-21) 1 solutions Answer 339975 by rfer(12660)   on 2011-09-27 23:14:05 (Show Source): You can put this solution on YOUR website! =-64

Linear-systems/505775: How would I figure out: Find an equation for a line with the given properties: Equation for a line parallel to y= -2x containing the point (7,8) thank you! 1 solutions Answer 339974 by rfer(12660)   on 2011-09-27 23:12:30 (Show Source): You can put this solution on YOUR website! 8=-2*7+b 8=-14+b 8+14=b b=22 ----------- y=-2x+22

Expressions-with-variables/505784: I need some help on this question,-8x+8=-6(2x+2)? 1 solutions Answer 339971 by rfer(12660)   on 2011-09-27 23:09:38 (Show Source): You can put this solution on YOUR website! -8x+8=-12x-12 -8x+12x=-12-8 4x=-20 x=-20/4 x=-5

Linear-equations/505790: what is the slope y=2x-2 1 solutions Answer 339969 by rfer(12660)   on 2011-09-27 23:07:15 (Show Source): You can put this solution on YOUR website! y=mx+b m=slope m=2

Polynomials-and-rational-expressions/505361: 7(x+6) 1 solutions Answer 339880 by rfer(12660)   on 2011-09-27 16:23:37 (Show Source): You can put this solution on YOUR website! 7x+42

absolute-value/505418: (-12)+4+(1/3)-(2/3) is equal to 1 solutions Answer 339879 by rfer(12660)   on 2011-09-27 16:22:05 (Show Source): You can put this solution on YOUR website! -8-1/3 -24/3-1/3=-25/3=-8 1/3

Expressions-with-variables/505369: how to solve this prolem 35mi/hr to ft/min 1 solutions Answer 339878 by rfer(12660)   on 2011-09-27 16:19:58 (Show Source): You can put this solution on YOUR website! 35/60=0.583 miles per min 5280 ft per mi 5280*0.583=3078.24 ft per min

Equations/505387: 23b+9=4b+66 what dose b equal 1 solutions Answer 339874 by rfer(12660)   on 2011-09-27 16:13:26 (Show Source): You can put this solution on YOUR website! 19b=66-9 19b=57 b=57/19 b=3

Numbers_Word_Problems/504759: The sum of two numbers is 28. One number is three time the other. Find the numbers. 1 solutions Answer 339715 by rfer(12660)   on 2011-09-26 17:43:22 (Show Source): You can put this solution on YOUR website! x+3x=28 4x=28 x=28/4 x=7 3x=21

Numeric_Fractions/504818: -5/6=-3/4-1/2x 1 solutions Answer 339714 by rfer(12660)   on 2011-09-26 17:42:02 (Show Source): You can put this solution on YOUR website! -5/6+3/4=-1/2x find common denominators then solve -20/24+18/24=-1/2x -2/18=-1/2x -1/9=-1/2x (-1/9)/(-1/2)=x x=-1/9*-2/1 x=2/9

Expressions-with-variables/504758: How do I work out the probelm x over 36 = 1 over 18? I know I need to cross multiply but I need to understand the steps to get the answer. Thank you, Sarah 1 solutions Answer 339713 by rfer(12660)   on 2011-09-26 17:38:09 (Show Source): You can put this solution on YOUR website! you are working a ratio. What one value is to another. x/36=1/18 18x=36*1 x=36/18 x=2 This makes since. 36 is double 18 and 2 is double 1 Does that help? Bob