Mathematics, 16.11.2020 20:30 jeramiahirwin51
1B. Find the sum of the following nine products: 1 × (10 – 1), 2 × (10 – 2), 3 × (10 – 3), … , 9 × (10 – 9).
1C. A square tablecloth covers an area of 256 sq. in. It is folded in half some number of times until the area that it covers is 8 sq. in. How many times was it folded in half?
1D. In a warehouse, a group of identical robots fills orders. In 10 minutes, 5 robots can fill 20 orders. If 8 robots worked at that same rate for an hour, how many orders would they fill?
1E. The number 2A5A0A2 is divisible by 99. What is the digit A?
Answers: 1
Mathematics, 21.06.2019 23:00
The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?
Answers: 1
Mathematics, 21.06.2019 23:00
Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?
Answers: 2
1B. Find the sum of the following nine products: 1 × (10 – 1), 2 × (10 – 2), 3 × (10 – 3), … , 9 × (...
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