Mathematics, 18.10.2021 01:00 destineyburger2
Practice YOU CAN DRAW ON THE GRAPH FOR THIS QUESTION Here is a speed-time graph for a train (a) Work out an estimate for the distance the train travelled in the first 20 seconds. Use 4 strips of equal width (b) Is your answer to (a) an underestimate or an overestimate of the actual distance the train travelled? Give a reason for your answer. (c) By drawing a suitable tangent, find an estimate of the gradient to the curve at t=15. Give the units of your answer. 25 20 15 Speed (m/s) 10 15 20 25 0 10 Time (5) pint RIA 31 on the
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Mathematics, 21.06.2019 19:30
Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.
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Mathematics, 21.06.2019 21:00
Helena lost her marbles. but then she found them and put them in 44 bags with mm marbles in each bag. she had 33 marbles left over that didn't fit in the bags.
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Mathematics, 21.06.2019 22:30
Acredit union pays 5% annual interest, compounded daily, on savings deposits. find the value after one year of $500 deposited in this account. $525.64 $25.64 $20.40 $520.40
Answers: 2
Practice YOU CAN DRAW ON THE GRAPH FOR THIS QUESTION Here is a speed-time graph for a train (a) Work...
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