ranjankar
ranjankar
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Let the speed of train be x meters / minute THEN the speed of runner is 3x meters/ minute Time taken by runner to reach the front = 100 /2x minutes Time taken by runner to reach the back = 100/ 4x minutes Total time = 50/x + 25/x …
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Let pan pizza be x calories beef buritto be y calories x + 2y = 1980 2x + y = 2670 Multiply equation 2 by 2 4x + 2y = 5340 x + 2y = 1980 SUBTRACT 3x = 5340 - 1980 = 3360 x = 1120 calories y = 430 calories ANSWER Pan pizz…
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Let pan pizza be x calories beef buritto be y calories x + 2y = 1980 2x + y = 2670 Multiply equation 2 by 2 4x + 2y = 5340 x + 2y = 1980 SUBTRACT 3x = 5340 - 1980 = 3360 x = 1120 calories y = 430 calories ANSWER Pan pizz…
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Let pan pizza be x calories beef buritto be y calories x + 2y = 1980 2x + y = 2670 Multiply equation 2 by 2 4x + 2y = 5340 x + 2y = 1980 SUBTRACT 3x = 5340 - 1980 = 3360 x = 1120 calories y = 430 calories ANSWER Pan pizz…
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USE FORMULA a^2 - b^2 = (a+b) ( a-b) ( r -s + t) ( r-s -t ) ANSWER
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USE FORMULA a^2 - b^2 = (a+b) ( a-b) ( r -s + t) ( r-s -t ) ANSWER
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No of gallons = 15675.2 / 25.5 = 614.71372 gallons Cost = 614.71372 X 2.87 = $ 1764.23 ANSWER
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16677/10000 Or 1/6 (approx) ANSWER
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LCM of 3 &5 is 15 JUST MULTIPLY BOTH SIDES BY 15 -10z = -12 z = 12/10 = 6/5 ANSWER
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Let the distance to his uncle's house be X miles X / 20 + X /30 = 12 MULTIPLY BY 60 3X + 2X = 720 5X = 720 X = 144 miles GOING = 144/20 = 7.2 hours ANSWER RETURNING = 144/30 = 4.8 hours ANSWER
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2.5 / 1.56 = x / 37.25 CROSS MULTIPLY 1.56x = 2.5 X 37.25 x = 2.5 X 37.25 / 1.56 = 59.695512 m ANSWER
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15P^5 X 5P^5 = 75P^10
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100 ...90 ....81 ...72.9 72.9 /100 X 80 = 58.32 $ ANSWER
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100 ...90 ....81 ...72.9 72.9 /100 X 80 = 58.32 $ ANSWER
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15P^5 X 5P^5 = 75P^10
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2.5 / 1.56 = x / 37.25 CROSS MULTIPLY 1.56x = 2.5 X 37.25 x = 2.5 X 37.25 / 1.56 = 59.695512 m ANSWER
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Let the distance to his uncle's house be X miles X / 20 + X /30 = 12 MULTIPLY BY 60 3X + 2X = 720 5X = 720 X = 144 miles GOING = 144/20 = 7.2 hours ANSWER RETURNING = 144/30 = 4.8 hours ANSWER
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LCM of 3 &5 is 15 JUST MULTIPLY BOTH SIDES BY 15 -10z = -12 z = 12/10 = 6/5 ANSWER
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LCM of 3 &5 is 15 JUST MULTIPLY BOTH SIDES BY 15 -10z = -12 z = 12/10 = 6/5 ANSWER
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16677/10000 Or 1/6 (approx) ANSWER
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No of gallons = 15675.2 / 25.5 = 614.71372 gallons Cost = 614.71372 X 2.87 = $ 1764.23 ANSWER
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USE FORMULA a^2 - b^2 = (a+b) ( a-b) ( r -s + t) ( r-s -t ) ANSWER
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Let pan pizza be x calories beef buritto be y calories x + 2y = 1980 2x + y = 2670 Multiply equation 2 by 2 4x + 2y = 5340 x + 2y = 1980 SUBTRACT 3x = 5340 - 1980 = 3360 x = 1120 calories y = 430 calories ANSWER Pan pizz…
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Let pan pizza be x calories beef buritto be y calories x + 2y = 1980 2x + y = 2670 Multiply equation 2 by 2 4x + 2y = 5340 x + 2y = 1980 SUBTRACT 3x = 5340 - 1980 = 3360 x = 1120 calories y = 430 calories ANSWER Pan pizz…
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Let the speed of train be x meters / minute THEN the speed of runner is 3x meters/ minute Time taken by runner to reach the front = 100 /2x minutes Time taken by runner to reach the back = 100/ 4x minutes Total time = 50/x + 25/x …
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Let the speed of train be x meters / minute THEN the speed of runner is 3x meters/ minute Time taken by runner to reach the front = 100 /2x minutes Time taken by runner to reach the back = 100/ 4x minutes Total time = 50/x + 25/x …
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No Answer is 21x^2 +40x - 21
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1) 6n^2 +3 = 57 6n^2 = 54 n^2 = 9 n = +3 Or -3 ANSWER 2) Bob = x 2x -3 = 5 2x = 8 x = 4 ANSWER Bob = 4 3) Paul = x Mike = 6 = 1/2x 12 = x ANSWER Paul has 12
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x^2 -19 = 6 ADD 19 x^2 = 25 X = +5 OR -5 ANSWER
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x^2 -19 = 6 ADD 19 x^2 = 25 X = +5 OR -5 ANSWER