Information Technology (2 Qs)
Hints: 1. Cache is the fastest memory (aside from registers, which is not on the list). 2. By what data go from memory to the CPU and vice-versa? Does a human have access directly to the memory?
Math
Approximate a year to 50 weeks, with 12 miles each week, it would be 600 miles a year. 624 is within 10% of 600 miles, so it is reasonable that they job 624 miles a year.
statistics
There are 52 cards in a deck. There are 26 red suits, and 2 black kings for a total of 28 cards which are either red or a king. Can you find the probability?
math
4x^2-81 can be written as (2x)^2-9^2, then apply the identity a^2-b^2=(a+b)(a-b) to factorize the expression.
Math
The area of a square is the square of one side. So the length of a side is the square-root of the area, i.e. Side = sqrt(64x^2)=8sqrt(x^2)=8x.
design of rc structure
What kind of help do you need? Is the water tank in RC? Most water tanks in North America are in steel and supported over steel columns, which also gives resilliance when subject to earthquakes. 200kL is basically 200 m³. It could be a cylinder of 6.5m diameter by 6m high....
Probability
The problem satisfies the following conditions: -the experiment is a Bernoulli experiment (i.e. each trial has one of two outcomes) - the probability of each trial is known remains constant throughout the experiment - each trial is independent of the others. This indicates a b...
design of rc structure
Here are some ideas to investigate and comment. Working stress is generally more conservative. It does not take into account of the post-yield behaviour of the reinforcing steel. Ultimate stress caters to both strenth and serviceability requirements separately. If properly des...
Probability
I assume that each of the sixteen events has two outcomes of S, namely P(s1,s1), P(s1,s2).....P(s4,s4). By the multiplication rule, and assuming that the two outcomes are independent, we have P(s1,s1)=P(s1)P(s1)=0.5*0.5;=0.25 .... P(s4,s4)=P(s4)P(s4)=0.125*0.125=0.015625 Note:...
math
1. The closest is J, which should read (M-6)/3 2. a=b-2, then b-a=2 what should be (b-a)^4?
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