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I need help with another HARD math problem..........? Jamie ran two laps around a track in 99 s. How long did it take him to run each lap if he ran the first lap at 8.5 m/s and the second at 8.0 m/s? ... (Asked by thakidman)
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x=time to run at 8.5 m/s 99-x=time to run at 8.0 m/s 1st lap length = 8.5x 2nd lap length= 8(99-x) since the length are the same 8.5x=8(99-x) 8.5x=792-8x add 8x to both sides +8x +8x 16.5x=792 divide by 16.5 on both sides x=48 99-x=51 He runs the first lap in 48 sec, and the second lap in 51 sec...(Answered by wendeezee)

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math problem solving? bobby and rick are in a 10 -lap race one mile oval track. bobby averages 90mph and has completed 2 laps just as. rick is getting his car onto the track... what speed does rick have to average to be even w/ bobby at the end of the tenth lap? the answer is 112.5 mph.. but i dont know what formula to use or how to solve... ... (Asked by she)
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90 * 10 = X * 8...(Answered by ClintonF)

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some 7th grade math questions>Ex:How many laps must a person run around a quarter-mile track to run 91/2 mi. 1.. a number is balanced if exactly one digit is the sum of all the other digits. What is the greatest three-digit balanced number? 2.. The Sound Of Music, one of the all-time favorite movies, won an Academy Award in what year? The sum of the digits of the year is 21, the tens' digit is greater than the ones' digit, and the product of the digits is 270. 3.. The number of Supreme Court Justices is the greatest common factor of 19 and 27. How many Supreme Court Justices are there? 4.. How many laps must a person run around a quarter-mile ... (Asked by dude21)
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a) 9 1/2 divided by 1/4 = 38 laps b) A three digit number is composed of "x" in the hundreds column, "y" in the tens, and "z" in the ones...i.e. x,y,z. To maximize this number, we need "x" to be a "9". Then, 9 needs to equal the sum of the other two. So, 5/4, 6/3, 8/1 etc. So, an 8 needs to be in the tens, and 1 in the ones. 981 is the largest balanced number. c) a * b * c * d = 270. We know that c is greater than d. ...(Answered by mysstere)

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Megan swam 16 laps in pool but melody swam 9 how many more laps did meagan swim than melody.? I'm a 2nd grader who neds help with my math my moms not home to help me so please someone help me. ... (Asked by sevenangels70)
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you type well for a second grader... I'm skeptical (and if you know what that means, you're noat a second grader) Word problems are the most important thing to learn in math... This is a subtraction problem... Instead of finding out how many more laps Megan swam, think of it as how many less laps Melody swam..... 16 laps - 9 laps ________ 7 laps...(Answered by In the light)

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crossword help 789? 1.Hunter's cap with two peaks and ear-laps (11) ?E???T?L?E? 2.French style vegetable casserole (11) ?????A?I?L? 3.Estimated arrival times (4) E??S 4.Skater's jump with extra half-turn (4) A??? 5.Road-company actor touring rural areas (11) ?????T?R?E? 6.A mayonnaise sauce used with fish (7) T????RP ... (Asked by dan dan)
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DEERSTALKER(SORRY) 2? ETAS AXLE 5? SHOULD BE TARTARE I think some of the answers you've given us are wrong, I can't find anything for 2 or 5. #1 are also known as deerhunters....(Answered by pattyswhacked)

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average speeds? Julia swam three 50 meter laps in 100 seconds, and Scott swam two 50 meter laps in 50 seconds. Based on these rates, which statement is true? F Julia's average speed was 2 meters per second slower than Scott's average speed. G Julia's average speed was 0.5 meters per second slower than Scotts average speed. H Scott's average speed was 0.5 meters per second slower than Julia's average speed. J Scott's average speed was equal to Julia's average speed. is the answer H? ... (Asked by but not as cute as pushkin)
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Julia swam Three 50m laps in 100 secs,that means (3x50)m laps in 100 secs.which means 150m in 100 secs.So Julia's rate is 150/100=1.5m/s Scott swamtwo 50m laps in 50 secs,that means (2x50)m laps in 50 secs.Which means 100m in 50 secs.So Scott's rate is 2 m/s. Now Analyse the cases The answer would be G. Julia's average speed was 0.5 meters per second slower than Scotts average speed....(Answered by Eshwar)

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bobby and rick are in a 10 -lap race one mile oval track. bobby averages 90mph, has completed 2 laps just as. rick is getting his car onto the track... what speed does rick have to average to be even w/ bobby at the end of the tenth lap? ... (Asked by she)
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math problem, can i get help? Janet,clay and marcus swim laps everyday.On saturday, janet swam twice as many laps as marcus.Clay swam 24 laps less than marcus.A total of 140 laps were swum between all three people.How many laps did janet swim? ... (Asked by jessys)
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We know Janet swam twice as many laps as Marcus (2M) and that Clay swam 24 less lars than Marcus (M-24) In exponents it would look like this: 2M + M + (M-24) = 140 If you solve for M (Marcus' amount) then you can figure out Janet's & Clay's amount. People tend to forget the parentheses making the total come out incorrect....(Answered by mys_phit)

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PLEASE help me? okay well it's math so yeah...? kid ran 2 laps in 99 sec. one was 8.0m/s one was 8.5m/s, how long did it take him to run each lap? ... (Asked by Hazel)
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The basic formula in these cases is D = RT. I've used it all my life, it's very helpful. In any case, the Distance is the same since he's running laps. The Rates are given as 8m/s & 8.5m/s with total of 99 sec. You are looking for Time, T1 and T2. Since D = RT, R = D/T and 8 = D/T1 8.5 = D/T2 T1 + T2 = 99 8 = D/(99-T2) 792 - 8T2 = D 8.5T2 = D 792 - 8T2 = 8.5T2 792 = 8.5T2 + 8T2 792 = 16.5T2 48 = T2 and since T1 = 99 - T2: 51 = T1 Your answers are ...(Answered by knightwielder)

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Subject/ Verb agreement help please!!? Can you tell me the correct answer and tell why it is the correct answer please?? Thank you please takr this serouisly! 1. Which sentence has the CORRECTsubject /verb agreement ? A.The teacher or the principle cunducts a safety chech. B.The teacher or the principle hold after-school detentions afretscool until 4:30. C.The teacher or the principle watch the children at recess. D.The teacher or the principle give out diplomas at graduation. 2.What is the CORRECT formof the verb that should go in the blank? I had accidentally _________a hole in my coat and was afraid to show my mom. A. torn B. torned C.tore D.teared 3.What is the correct form of the ... (Asked by lovefun)
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1. A because "teacher" and "principal" are both singular nouns and only one of them is acting, so the verb is singular. People sometimes mistakenly use the plural because there are two subjects to the sentence. But since it is "teacher OR principal," only one of them is acting. If it were "teacher AND principal" you would use the plural form: "Teacher AND principal CONDUCT a safety check." 2. A because "had" clues you to the fact that this is a pluperfect construction: "had torn." "have torn" is perfect. ...(Answered by The First Dragon)

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