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Euler
Questions and answers by
Euler
Questions (14)
Blocks of stone are cut to a nominal size of 60cm x 30cm x 15cm, where measurements are correct to the nearest centimeter. Find
3 answers
347 views
Prove that the roots of the equation kx^2+(2k+4)x+8=0 are real for all values of k.
5 answers
1,664 views
For each of the following ,state, giving your reasons ,whether it is is a qualitative ,discrete or continuous variable:
a. type
1 answer
340 views
Qualitative, discrete or continuous variable and why,
'Voting intention representing the political party for which an individual
1 answer
363 views
Is percentage a continuous or discrete variable?
3 answers
337 views
A fair 6-sided dice is thrown four times and the value Y, the number of times it falls with a 6 showing, is noted.
Show the
1 answer
482 views
True or false.Can dead weight loss of a monopoly be lower than social cost of monopoly?
1 answer
349 views
A random sample M1, M2,M3...M8 is taken from a population with unknown mean x. For each of the following, state wether or not it
1 answer
335 views
An estate agent usually sells properties at the rate of 10 per week. During a recession, when mortgages are harder to get, he
1 answer
410 views
A newspaper reporter is sent out to interview 'a few people'about their views on the UK leaving the EU. State two ways in which
1 answer
409 views
A space station has 5 cosmonauts on board at all times, of whom 3 are experienced, 2
inexperienced. Occasionally some work must
1 answer
223 views
Gregor Mendel famously carried out experiments on sweet peas. Three naturally
occurring varieties of sweet peas have purple, red
3 answers
540 views
Are the share price's independent of one another
and of the previous day's value? How would you test this?
1 answer
166 views
Are the share price's independent of one another
and of the previous day's value? How would you test this??
1 answer
178 views
Answers (3)
3.7
It can take any value right?
1. 2.5:1 or 5:2 2.using the ratio from part a 2.5:1 ....As it cost 15 in 1980 now you get a ratio x:15 2013 1980 2.5 : 1 x : 15 To get 15 we must times both sides by 15... so 15 x 2.5 is $37.5.
