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Linear-equations/508163: find the slope if it exists y=-3x+4 1 solutions Answer 340882 by rfer(12731)   on 2011-10-02 19:53:55 (Show Source): You can put this solution on YOUR website! y=mx+b m=slope m=-3

Money_Word_Problems/508175: Ann worked 54 hours last week and recieved 564.25 total pay. How much did she make per hour assuming that overtime is over 40. 1 solutions Answer 340881 by rfer(12731)   on 2011-10-02 19:51:48 (Show Source): You can put this solution on YOUR website! 564.25/(54+21)= 564.25/75=$7.523 per hr

Travel_Word_Problems/508174: Ryan traveled to the lake and back. On the trip there he traveled 80 km/h and on the return trip he went 60 km/h. how long did the trip there take if the return trip took four hours? 1 solutions Answer 340879 by rfer(12731)   on 2011-10-02 19:47:20 (Show Source): You can put this solution on YOUR website! 60*4=80x 240=80x x=240/80 x=3 hrs

Equations/508063: 3x+4=5(6-2x) 1. After rewriting the equation, what would be your first step? Perform this step. 2. Now Should you subtract 3x from both sides or add 10x to both sides? Why? Perform this step. 3. What should the next step be? Perform this step. 4. Solve for x. Check your result in the original equation. I have no idea how to do this, please help me out this this. 1 solutions Answer 340863 by rfer(12731)   on 2011-10-02 18:17:21 (Show Source): You can put this solution on YOUR website! 3x+4=30-10x 3x+10x=30-4 13x=26 x=13 You do the proof

Linear-equations/508069: The sum of two consecutive EVEN numbers is -298. What are the integers? 1 solutions Answer 340862 by rfer(12731)   on 2011-10-02 18:14:20 (Show Source): You can put this solution on YOUR website! x+x-2=-298 2x=-296 x=-296/2 x=-148 x-2=-150

absolute-value/508085: what is the absolute value of 1/2 1 solutions Answer 340861 by rfer(12731)   on 2011-10-02 18:07:37 (Show Source): You can put this solution on YOUR website! =|1/2|

Evaluation_Word_Problems/508087: jennifers boat use 5 gallons of gasoline in 4 hours. At this rate, how many gallons of gasoline will the boat use in 10 hours ? 1 solutions Answer 340860 by rfer(12731)   on 2011-10-02 18:06:39 (Show Source): You can put this solution on YOUR website! 5/4=x/10 4x=50 x=12.5 gal

Equations/508081: Hi Guys hoping you can help. -3g/7 -4 = -16 Thank you 1 solutions Answer 340859 by rfer(12731)   on 2011-10-02 18:03:20 (Show Source): You can put this solution on YOUR website! -3g/7=-16+4 -3g/7=-12 -3g=-12*7 -3g=-84 g=-84/-3 g=28

Equations/508080: Hi hoping you can help -3/z-4=-6 thank you 1 solutions Answer 340858 by rfer(12731)   on 2011-10-02 18:00:32 (Show Source): You can put this solution on YOUR website! -3/z=-6+4 -3/z=-2 -3=-2z -3/-2=z 3/2=z

Equations/508079: Hi, Can you please help me 2/y + 1 = 17 Thanks heaps 1 solutions Answer 340856 by rfer(12731)   on 2011-10-02 17:56:36 (Show Source): You can put this solution on YOUR website! 2/y=17-1 2/y=16 2=16y 2/16=y y=1/8

Linear_Equations_And_Systems_Word_Problems/508078: A farmer has 96 feet if fence with which to make a corral. If he arranges it into a rectangle that is twice as long as it is wide, what are the dimensions? 1 solutions Answer 340854 by rfer(12731)   on 2011-10-02 17:54:09 (Show Source): You can put this solution on YOUR website! 2(2x)+2x=96 6x=96 x=16 2x=32

Proportions/508077: what is the fraction notation for the ratio of 8640 to 14400 1 solutions Answer 340853 by rfer(12731)   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(12731)   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(12731)   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(12731)   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(12731)   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(12731)   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(12731)   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(12731)   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(12731)   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(12731)   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(12731)   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(12731)   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(12731)   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(12731)   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(12731)   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(12731)   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(12731)   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(12731)   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(12731)   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(12731)   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