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Recent problems solved by 'checkley71'

checkley71 answered: 8399 problems
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percentage/39767: I had asked this question yesterday but put in 12.4 should have been 12.5 When you showed the answer for 180.79 was that just for one month and should it been multiplied by 12 for a year? The question is what simple interest will you pay on a loan of $1,458 at 12.5% for 1 year? Thanks! Sher 1 solutions Answer 25187 by checkley71(8403)   on 2006-05-29 16:29:50 (Show Source): You can put this solution on YOUR website! I=PRT OR I=1458*.125*1 OR I=182.5 THIS IS THE YEARLY INTEREST.

Linear-systems/39768: Hi, I will take my final exam for algebra this week and I came across this problem while studying. I would greatly appreciate it if you could answer my question. Riding a bus to and from work costs you $5.50 round trip. You are thinking about buying a used car for $2500. Gas and maintenance will cost you about $.50 per trip. How many trips to work will it take to break even? I set up the equations y= 11/2x and y= 2500 + 1/2x. Are these equations right? What do I do from here? 1 solutions Answer 25186 by checkley71(8403)   on 2006-05-29 16:26:45 (Show Source): You can put this solution on YOUR website! THE EQUATION SHOULD BE 5.50X=2500+.50X OR 5X=2500 OR X=2500/5 OR X=500 TRIPS PROOF 5.50*500=2750 & 2500+.50*500=2500+250 OR 2500+250=2750

Equations/39707: 5 pieces of fruit more apples than bananas equal number of banana and oranges 1 solutions Answer 25128 by checkley71(8403)   on 2006-05-28 20:31:35 (Show Source): You can put this solution on YOUR website! 1 banana & 1 orange & 3 apples = 5 pieces of fruit

Exponents/39678: The sum of two consecutive integers is 145.Find the two integers. 1 solutions Answer 25090 by checkley71(8403)   on 2006-05-28 08:42:20 (Show Source): You can put this solution on YOUR website! x+(x+1)=145 or 2x+1=145 or 2x=145-1 or 2x=144 or x=144/2 or x=72 then x+1=73 proof 72+73=145 145=145

Mixture_Word_Problems/39679: Yuri has a board that is 98 in. long. He wishes to cut the board into two pieces so that one piece will be 10 in. longer than the other.What should the lenght of each piece be? 1 solutions Answer 25089 by checkley71(8403)   on 2006-05-28 08:40:34 (Show Source): You can put this solution on YOUR website! x+x+10=98 or 2x=88 or x=88/2 or x=44 & x+10=54 proof 44+54=98 98=98

Pythagorean-theorem/39680: Can you help. if the hypotenuse is 20cm and the other sides are x and 2x, how do I calculate what x is? 1 solutions Answer 25088 by checkley71(8403)   on 2006-05-28 08:38:54 (Show Source): You can put this solution on YOUR website! x~2+(2x)~2=20~2 or 5x~2=20~2 or 5x~2=400 or x~2=400/5 or x~2=80 or x=8.94 proof 8.94~2+2*8.94~2=20~2 or 80+320=400 or 400=400

Exponential-and-logarithmic-functions/39672: the volume of a sphere can be fiven by the formula V=4.18879rcubed. You have to design a spherical container that will hold a volume of 75 cubic inches. What should the radius be? 1 solutions Answer 25087 by checkley71(8403)   on 2006-05-27 22:17:33 (Show Source): You can put this solution on YOUR website! 75=4.18879R~3 OR R~3=75/4.16679 OR R~3=18.143156 OR R=CUBERT 18.143156 OR R=2.62767 IN.

Square-cubic-other-roots/39639: This question is from textbook algebra book how do you factor? 1 solutions Answer 25086 by checkley71(8403)   on 2006-05-27 20:47:35 (Show Source): You can put this solution on YOUR website! CAN'T HELP WITHOUT AN EXAMPLE OR SAMPLE PROBLEM!!!!!!!!!!!

decimal-numbers/39661: Can someone help me solve this problem? Arrange in order from smallest to largest. 2.05, 25/10, 2.0513, 2.059, 251/100, 2,0515, 2.052, 2.051 Thanks! 1 solutions Answer 25085 by checkley71(8403)   on 2006-05-27 20:45:46 (Show Source): You can put this solution on YOUR website! FIRST CONVERT 25/10 TO A DECIMAL OR 2.5 & 251/100 OR 2.51 THEN WE HAVE 2.0500,2.0510,2.0513,2.0515,2.0520,2.0590,2.5000,2.5100

decimal-numbers/39662: How do I solve this problem? Lula wants to round 76.24491 to the nearest hundredth. She first rounds 76.24491 to 76.245 and then rounds 76.245 to 76.25 and claims that this is the final answer. What is wrong with this approach? Thanks! 1 solutions Answer 25083 by checkley71(8403)   on 2006-05-27 20:39:23 (Show Source): You can put this solution on YOUR website! THE RULE IS WHEN ROUNDING --- IF THE DIGIT IMMEDIATELY TO THE RIGHT OF THE POSITION TO BE ROUNDED IS BETWEEN 0 &4 YOU SET TO ZERO ALL DIGITS TO THE RIGHT OF THE DIGIT BEING ROUNDED AND LEAVE THE ROUNDING POSITION UNCHANGED. HOWEVER--- IF THE DIGIT IMMEDIATELY TO THE RIGHT OF THE DIGIT TO BE ROUNDED YOU STILL SET ALL DIGITS TO THE RIGHT OF THE LOCATION BEING ROUNDED TO ZERO -- BUT YOU ADD ONE TO THE POSISITION BEING ROUNDED THUS 76.244 BECOMES 76.240 BECAUSE THE DIGIT IMMEDIATELY TO THE FIGHT OF THE FIRST 4 IN THE HUNDRETHS POSITION IS FOLLOWED BY A 4. IGNORE ALL OTHER POSITIONS TO THE RIGHT!

decimal-numbers/39663: Could you help me add this problem? 27.4 + 213.321 + 39.38 Thanks! 1 solutions Answer 25080 by checkley71(8403)   on 2006-05-27 20:33:13 (Show Source): You can put this solution on YOUR website! 27.4 213.321 39.38 ---------- 280.101

decimal-numbers/39664: Can someone help me with this problem? Subtract 45.6 - 8.85 Thanks! 1 solutions Answer 25079 by checkley71(8403)   on 2006-05-27 20:31:13 (Show Source): You can put this solution on YOUR website! 45.60 -8.85 ------- 36.75

Polynomials-and-rational-expressions/39668: What is the sum of (14x+15)+(10x+14) ? 1 solutions Answer 25078 by checkley71(8403)   on 2006-05-27 20:29:41 (Show Source): You can put this solution on YOUR website! 14X+15+10X+14=24X+29

decimal-numbers/39665: Can someone help me solve this problem? Add thirty-eight and nine tenths, five and fifty-eight hundredths, seven, and fifteen and eigth tenths. Thanks! 1 solutions Answer 25077 by checkley71(8403)   on 2006-05-27 20:27:57 (Show Source): You can put this solution on YOUR website! 38 9/10+5 50/800+7+15 8/10 OR FORGET THE WHOLE NUMBERS AND ADD THE FRACTIONS BY FINDING A COMMON DENOMINATOR LIKE 800 THENWE ADD (9*80+50+8*80)/800 OR (720+50+640)/800 OR 1410/800 OR 1 61/80 NOW ADD ALL THE WHOLE NUMBERS 38+5+15+7+1 61/80=66 61/80

Average/39626: I dont understand this. This is from our practice work46. 12x-6=11x 1 solutions Answer 25069 by checkley71(8403)   on 2006-05-27 16:14:23 (Show Source): You can put this solution on YOUR website! 12X-6=11X OR 12X-11X=6 OR X=6

Average/39627: I dont understand this. This is from our practice work. 5x + 8 + 3x - x +5 =6x -3 1 solutions Answer 25068 by checkley71(8403)   on 2006-05-27 16:12:23 (Show Source): You can put this solution on YOUR website! 5X+8+3X-X+5=6X-3 OR 7X+13=6X-3 OR X=-16

Numeric_Fractions/39628: I'm trying to solve for x -3x=27 1 solutions Answer 25067 by checkley71(8403)   on 2006-05-27 16:08:12 (Show Source): You can put this solution on YOUR website! -3X=27 OR 3X=-27 OR X=-27/3 OR X=-9

Money_Word_Problems/39629: Jose has savings accounts for each of his five kids. They contain 215,156,318,75,25. Find the median and the mean amount of money per account. 1 solutions Answer 25066 by checkley71(8403)   on 2006-05-27 16:06:43 (Show Source): You can put this solution on YOUR website! THE MEDIAN IS 156 OR THE MIDDLE AMOUNT WHEN ARRANGED IN NUMERICAL VALUE THEMEAN IS THE AVERAGE OR (215+156+318+75+25)/5 OR 789/5 OR 157.8

Permutations/39630: 3 over 7 x = 15 solve for x 1 solutions Answer 25065 by checkley71(8403)   on 2006-05-27 16:02:05 (Show Source): You can put this solution on YOUR website! 3/7X=15 OR 3=105X OR 3/105 (3/7)X=15 OR 3X=15*7 OR 3X=105 OR X=105/3 OR X=35

decimal-numbers/39631: solve for x 9x +7 =5x -3 1 solutions Answer 25064 by checkley71(8403)   on 2006-05-27 15:59:08 (Show Source): You can put this solution on YOUR website! 9X+7=5X-3 OR 9X-5X=-3-7 OR 4X=-10 OR X=-10/4 OR X=-2.5

Equations/39640: Layoffs looming. American Products plans to lay off 10% of its employees in its aerospace division and 15% of its employees in its agricultural division. If altogether 12% of the 3000 employees in these two division will be laid off, then how many employees are in each division? 1 solutions Answer 25063 by checkley71(8403)   on 2006-05-27 15:51:45 (Show Source): You can put this solution on YOUR website! .1X+.15(3000-X)=.12*3000 OR .1X+450-.15X=360 OR -.05=-90 OR X=-90/-.05 OR X=1800 THUS .1*1800+.15(3000-1800)=360 OR 180+.15*1200=360 OR 180+180=360 OR 360=360

Equations/39641: Use an equation, inequality, or formula to solve the problem Living comfortably. Gary has figured that he needs to take home $30,400 a year to live comfortably. If the government gets 24% of Gary's income, then what must his income be for him to live comfortably? 1 solutions Answer 25062 by checkley71(8403)   on 2006-05-27 15:36:00 (Show Source): You can put this solution on YOUR website! X-.24X=30,400 OR .76X=30,400 OR X=30,400/.76 OR X=40,000

Linear-systems/39642: This question is from textbook Teresa and Elaine are going on a camping trip. They will take 20 kg of dehydrated food with them. One type of food, Power Ration, costs $3/kg while another type of food, Energy Plus, costs $2/kg. They will spend $52 on dehydrated food. (a) Write a linear system if equations to model this situation. (b) Find the amount of each type of food that they will take on the camping trip. Solve by graphing 1 solutions Answer 25061 by checkley71(8403)   on 2006-05-27 15:33:10 (Show Source): You can put this solution on YOUR website! 3*x+2(20-x)=52 or 3x+40-2x=52 or x=52-40 or x=12kg of Power rations & 20-12=8kg of Energy Plus. proof 3*12+2*8=52 or 36+18=52 or 52=52

Equations/39494: Solve each linear equation. Show your work and check you answer 9 - 2m/7 = 19 3(x - 0.87) - 2x = 4.98 Solve each problem Fahrenheit temperature. Water boil at 212 F. a) Use the accompanying graph to determine the Celsius temperature at which water boild Celsius temperature 100 50 0 0 100 212 b) Find the Fahrenheir temperature of hot tap water at 70 C by solving the equation 70 = 5/9 (F - 32) 1 solutions Answer 25051 by checkley71(8403)   on 2006-05-27 08:39:42 (Show Source): You can put this solution on YOUR website! 9-2M/7=19 OR 2M/7=10 OR 2M=70 OR M=70/2 OR M=35 3(X-.87)-2X=4.98 OR 3X-2.61-2X=4.98 OR X=4.98+2.61 OR X=7.59 70=5/9(F-32) OR 70=(5/9)F-160/9 OR (5/9)F=70+160/9 OR (5/9)F=(630+160)/9 OR 45F=790*9 OR 45F=7110 OR F=158

Equations/39566: Additive property of equality: Solve for w w + 4 = 5 Solution to a linear equation in two variables: Problem type 1 Provide an ordered pair (u,v) of numbers that satisfy the equation 4u - v = 5 Signed decimal addition Add: -9.4 + 19 + (-8.3) Absolute value of a number What is the absolute value of -10 -9 -5 + 72 -54? Converting a fraction to a repeating decimal 26/9 Write as a decimal. if necessary, use a bar to indicate which digit or group of digits repeat 1 solutions Answer 25050 by checkley71(8403)   on 2006-05-27 08:24:19 (Show Source): You can put this solution on YOUR website! W+4=5 OR W=5-4 OR W=1 U=0,V=-5 U=1,V=-1 U=2,V=3 U=3,V=7 U=-1,V=9 U=-2,V=13 -9.4+19+(-8.3)=-9.4+19-8.3=19-17.7=1.3 -10 -9 -5 +72 -54=-6 26/9=2.8 (BAR OVER THE 8)

Equations/39594: Order of operations with equations -4(2x – 3) = -8x + 5 1 solutions Answer 25048 by checkley71(8403)   on 2006-05-27 08:16:13 (Show Source): You can put this solution on YOUR website! -4(2X-3)=-8X+5 OR -8X+12=-8X+5 OR 12=5 NO SOLUTION ARE YOU SURE YOU HAVE THE CORRECT PROBLEM??????????????

Equations/39595: 56-6/2+6=? 1 solutions Answer 25046 by checkley71(8403)   on 2006-05-27 08:13:41 (Show Source): You can put this solution on YOUR website! 56-6/2+6= 56-3+6=62-3=59

Radicals/39597: Please help solve cubed root of x^2=9, in step by step 1 solutions Answer 25044 by checkley71(8403)   on 2006-05-27 08:11:46 (Show Source): You can put this solution on YOUR website! CUBE RT OF X~2=9 OR X~2=9~3 OR X~2=729 OR X=27

Quadratic_Equations/39598: Find all real or imaginary solutions for this equation. 49^2+ 9 = 42x I can not not figure this one out. I thought it was something like: -49^2sqrt 49^2+3(3)=42 Any assistance would be greatly appreciated 1 solutions Answer 25043 by checkley71(8403)   on 2006-05-27 08:07:23 (Show Source): You can put this solution on YOUR website! IF YOU HAVE PRESENTED THE PROBLEM CORRECTLY THE SOLUTION IS 49~2 OR 2401 + 9 = 42X THEN 2410 = 42X OR X=2410/42 OR X=57.380952 HOWEVER IF YOU MEANT TO WRITE 49X~2+9=42x THEN THE SOLUTION IS 49X~2-41X+9=0 OR (7X-3)(7X-3)=0 OR 7X-3=0 OR 7X=3 OR X=3/7

Functions/39605: Please help me figure out this problem,thank you. Perform the indicated operations. Remember the rules for the order of operations. 9 - (-2)(-7) 1 solutions Answer 25042 by checkley71(8403)   on 2006-05-27 08:00:19 (Show Source): You can put this solution on YOUR website! 9-(-2)(-7)=9-(-2*-7) OR 9-(14) OR 9-14 OR -5

Miscellaneous_Word_Problems/39609: The simle interest I on a princial of P dollars at interest rate r for time t, in years, is given by I = Pri. Find the simple interest on a principal of $6000 at 3 3% for 2 years. I know that 3% is 0.03 1 solutions Answer 25041 by checkley71(8403)   on 2006-05-27 07:57:57 (Show Source): You can put this solution on YOUR website! I=PRT (PRINCIPAL, RATE,TIME - IN YEARS) OR I=6000*.03*2 OR I=360