| Subject | Date Asked |
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| Quadratic word problems | 12/4/2007 |
Q: Can you give me an example of a real-life situation that would fit the equation (x+3)(x-4)=0 I ...
A: if its equal to 0 then your finding the roots for the parabola? I can't think of an exact ...
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| Physics acceleration! | 12/5/2006 |
Q: I am very confused on a physics word problem: 1) Megan is on maneuvers with the Navy. She fires a ...
A: you need to find time for travel there, subtract that from total time 101.4. the time left is ...
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| How do you find the height of a triangle? | 12/1/2006 |
Q: So, the fact that the actual base is 4 1/2", doesn't have any bearing on the height? ThanksI am ...
A: sorry i answered to fast the area isn't necessarily 8. and the angle isn't necessarily 90. i ...
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| home work for psycology | 11/23/2006 |
Q: 1: Which one of the five choices makes the best comparison? LIVED is to DEVIL as 6323 is to: 2 ...
A: I'm not going to answer all of them. i'm not psycology expert either. 1. 3236 ( lived is devil ...
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| combinations??? | 11/21/2006 |
Q: How do you figure out combinations? Such as, the number of combinations of meals? 4 meats, 3 ...
A: you multiply all numbers together. 4*3*3 = 36 options think of just the vegs and breads veg1 ...
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| finding the height for a triangle | 11/20/2006 |
Q: how do you find the height for a triangle in order to find the area? i really don't understand, so ...
A: if you have a triangle you need base and height given to you to find area. unless you are given ...
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| hard maths question | 11/14/2006 |
Q: I am having alot of problems with this question and I would be very grateful if you could help. It ...
A: Belinda A- set the 2 distance equations; 1 for velocity 1 for acceleration, equal to each other. ...
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| ap calculus a/b | 11/13/2006 |
Q: At noon, ship A is 150 km west of ship B. Ship A is sailing east at 35 km/h and ship B is sailing ...
A: this isn't an answer but i think it should get you started. take the derivative of x. for the ...
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| Word problem | 10/21/2006 |
Q: A College sold Advance tickets to a play at $4 per ticket. Anyone who attended and purchased a ...
A: 2 equations 2 unknowns a + b = 480 4a + 5b =2100 solve one for a (in terms of b) and sub into ...
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| Word Problems with Variables | 9/4/2006 |
Q: A closed box with a square base is required to have a volume of 70 cubic feet. Express the amount A ...
A: assuming the boxes sides don't have to be square. SA = 2x^2 + 4xh this isn't intirely a function ...
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| logic puzzle | 9/1/2006 |
Q: 60 students surveyed, 50 students enjoy basketball, 30 students enjoy baseball, how many students ...
A: I'm just doing this fast. but % liking basketball x % liking baseball = 41 2/3% x that by 60 ...
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| IS THERE ENOUGH INFO TO SOLVE? | 9/1/2006 |
Q: APRIL WANTS TO KNOW HOW MANY BUTTONS ARE IN HER BUTTON COLLECTION. IN ONE BOX SHE HAS 6 GROUPS OF ...
A: ya the large button info is needed. equation should be (1x6xbuttons) + (5x5x5) + (3x3x3) what ...
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| Word Problem | 8/29/2006 |
Q: How many dollars would I have to spend to acquire 100,000 yen required if the US equivalent was ...
A: 0.009048 and 110.52 are the same exchange. they are the inverse of each other. 0.009048 USD ...
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| Estimating | 8/28/2006 |
Q: can you explain this one to me Olga's net salary is 89.3% of her gross salary.If here weekly net ...
A: gross salary is total pay, net salary is gross subtract, taxs, dues, etc. to get net salary you ...
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| pre calc- applications of functions | 8/27/2006 |
Q: A box with a square base has a surface area (including the top) of 3 m^2. Express the volume V of ...
A: assuming the boxes sides don't have to be square. V = w^2*height this isn't intirely a function ...
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| word problems | 8/27/2006 |
Q: I have a problem. I have been trying to solve these two problems for about two weeks now and I have ...
A: 1. john travels 240 km in total if he wants an average of 40km/hr that means he will spent 240km ...
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| Teachers certification exam test question | 8/26/2006 |
Q: I am trying to pass my teachers certification exam and I have a study guide but a few of the word ...
A: you've got quite a few so i'll try to explain breifly. 5. find area of all walls and ceiling ...
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| Word problems | 8/25/2006 |
Q: Good Morning Can you explain this one to me :) The engels have planned to do volunteer work for 5 ...
A: ok, so the total is 5 hrs work. they work 1 1/4 saturday, so now they have 3 3/4 hrs left ( 5 - ...
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| word problem | 8/25/2006 |
Q: There are 5 Adults and 2 Children, on one side of the lake, the canoe holds eaither, 1 adult or 2 ...
A: i think there is intended to be a bit of a trick. the canoe can hold 2 adults by 1 needs to stay ...
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| Word problems | 8/24/2006 |
Q: ) Anthony has a board 12 feet long.He wants to cut it into 3/4-foot pieces.How many pieces will he ...
A: good news and bad news the second one is correct, the first on is not. you needed to divide for ...
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| trick question?? | 8/18/2006 |
Q: My girlfriend was asked this question at uni, and nobody i know can figure it out... Three people ...
A: its not a trick question, its bad math. adding 2 numbers that should not be added. $27 is $25 ...
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| Investment Question | 8/10/2006 |
Q: Mr. Orsini invested $36,000, part at 5% and the rest at 7%. If his annual incomes from both ...
A: ya, that looks good. to solve for x multiply 0.07 through 0.05x = 0.07*36000 - 0.07x 0.05x = ...
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| word problem | 8/8/2006 |
Q: A fence for a rectangular garden with one side against an existing wall is constructed by using 50 ...
A: x * y = A 2x + y = 50 y = 50 - 2x sub into 1st x * ( 50-2x) = A 50x - 2x^2 = A differancate ...
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| Help | 8/4/2006 |
Q: Solve the following system of equations: 3x + 4y = 16 5x - 6y = 33
A: solve first for y 3x + 4y = 16 4y = 16 - 3x y = 4 -(3/4)x now sub this in to second equation. 5x ...
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| HOW TO SOLVE THIS??? | 8/1/2006 |
Q: how do i solve the eaquationn for basehow do i solve this question? can u show me the steps Bianca ...
A: sure equations will be base + commission * 10000 = 900 base + commission * 14000 = 1100 ...
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| pre calculus | 8/1/2006 |
Q: How would you set up an equation and solve this , 2 Loran stations are positioned 248 miles apart ...
A: Sorry I'm very busy this week, and can't really help you. I haven't dealt with hyperbolas in many ...
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| HOW TO SOLVE THIS??? | 8/1/2006 |
Q: how do i solve this question? can u show me the steps Bianca is paid a base salary plus comminsion ...
A: 2 equations 2 unkowns unknowns: base, and commission equations will be base + commission * 10000 ...
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| pre calculus | 7/31/2006 |
Q: How would you set up an equation to solve this, a vineyard produces 2 wines, white and red, a bottle ...
A: Normally I use excel solver for these. I don't know if this is the way you are suppose to do it ...
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| indefinite integrals | 7/23/2006 |
Q: Keeping a constant acceleration, a motorcycle can go from 40 miles per hour to 60 miles per hour in ...
A: 60-40 / 5 sec = 4mph/s units of mph = miles/hours 1 mile / hour = 1/3600 miles / sec so 4 miles ...
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| algebra word question | 7/17/2006 |
Q: jo works at a coffee shop where a 12 -oz cup costs $1.40, a 16 oz cup costs $1.60 and a 20 -oz cup ...
A: couple equations couple unknows. # of 12oz = a # of 16 = b # of 20 = c a*1.4 + b*1.6 + c*1.7 = ...
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| ASAP | 7/11/2006 |
Q: 1) Two mountain peaks R and T can be observed from an alpine meadow. To estimate the straight-line ...
A: Hey, I didn't do all the work but I have an answer. 1) draw it out, line ab and line rt ( fair bit ...
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| Quadratic Equation Word Problem | 5/12/2006 |
Q: Geometry. The length of a rectangle is 1 cm longer than its width. If the diagonal of the rectangle ...
A: Pythagoras theory is that the square of the diagonal equals the squares of the 2 other sides added ...
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| standard deviation | 5/10/2006 |
Q: A company claims that each of his reps make 40 calls a week. A random sample of 28 reps revealed ...
A: So after bit of review. Equation for given confidence interval is Y +or- (t(alpha/2, n-1) x S) / ...
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| word problems on rates | 5/5/2006 |
Q: a light bulb uses 2200 watt hrs in 3 days and 16 hrs. How many watt hrs does it use per day? I ...
A: a full day is 24hrs so that means 16hrs is 16/24 of a day. if you take the lowest common ...
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