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data collections and analysis

data collections and analysis

data collections and analysis 2. From the data given below calculate the value of first and third quartiles, second and ninth deciles and forty-fifth and fifty-seventh percentiles. Height in centimeters Number of students Cumulative frequency 161-167 79 79 167-173 92 171 173-179 60 231 179-185 22 253 185-191 5 258 191-197 2 260 Total 260

Face centered cubic lattice

Face centered cubic lattice

Face centered cubic lattice 1.An element crystallizes in a face centered cubic lattice and has a density of 1.45 g cm-3 . The edge of its unit cell is 4.52 x 10-8cm. a) How many atoms are in each unit cell? b) What is the volume of a unit cell? c) What is the mass […]

organic chemistry question

organic chemistry question

organic chemistry question Unsymmetrical ethers can be made by the Williamson synthesis, in which an alkoxide ion reacts with an alkyl bromide. Draw the structure of the alkoxide and the alkyl bromide needed to produce 2-ethoxy-2-methylpropane (a.k.a t-butyl ethyl ether), shown below. Show charges where appropriate.

Selectand describe a leader

Selectand describe a leader

Selectand describe a leader (Oprah Winfrey) you admire. Your selected leader may be either a real-life individual or a fictional character from television, the movies, or a book. Using leadership theories, analyze your selected leader to identify characteristics and provide specific examples of leadership qualities you think contributed to that person’s success. Evaluateyour own leadership […]

For the final project, you will create a PowerPointÂ

For the final project, you will create a PowerPointÂ

For the final project, you will create a PowerPoint For the final project, you will create a PowerPoint® presentation in which you describe your personal viewpoint, as well as 3-4 related principle issues, concerning one of the topics in philosophy listed below:

ship wrecking

ship wrecking

ship wrecking write an essay of ten pages about ship wrecking as if you were there and you survived to tell the story

Compute the dimension and find bases for the following linear spaces.

Compute the dimension and find bases for the following linear spaces.

Compute the dimension and find bases for the following linear spaces. a) Real anti-symmetric 4 × 4 matrices. b) Quartic polynomials p with the property that p(2) = 0 and p(3) = 0. c) Cubic polynomials p(x, y) in two real variables with the properties: p(0, 0) = 0, p(1, 0) = 0 and p(0, […]