How many valid strings are there

Assignment Help Mathematics
Reference no: EM131075416

Math 10B Quiz 1-

1. Explain why the following statement is true: For any positive integer n, the number of subsets of a set with n different elements is 2n.

2. We say that a string of five decimal digits is valid if it satisfies both of the following two conditions:

(i) At least one of the five digits is a "0".

(ii) The five digits are all distinct.

How many valid strings are there?

3. You are giving an exam in a classroom where 24 chairs are arranged in a circle. To discourage heating, you do not want students to sit next to each other. What is the maximum number of students that can take the exam in this room? Explain your answer carefully.

Reference no: EM131075416

Questions Cloud

Determine net capital gain or net capital loss : Determine Dave Solomons net capital gain or net capital loss for the year ended 30 June of the current tax year - Advise Periwinkle of its FBT consequences arising out of the above information, including calculation of any FBT liability.
Explain why for each vector aj, there exists a vector cj : Explain why for each vector aj, there exists a vector cj in Rp such that aj = Bcj
Find the maximum energy stored in the inductor : A) Find the voltage across the inductor fort>0. Express your answer in terms of t, wheret is in milliseconds. Express your answer using three significant figures. B) Find the power at the terminals of the inductor when t = 6.2ms.
Does not seem to fit structure of persuasion and tolerance : A description of a time when you were influenced by one of the types of influence from the table (e.g., education, advertising, propaganda, indoctrination, thought reform) that does not seem to fit the structure of persuasion, tolerance, or method..
How many valid strings are there : Math 10B Quiz 1. We say that a string of five decimal digits is valid if it satisfies both of the following two conditions: At least one of the five digits is a "0". The five digits are all distinct. How many valid strings are there
What is the rank of a : what is the rank of A?
What is the voltage in the secondary coil : An ideal step-down transformer has a primary coil of 330 turns and a secondary coil of 27 turns. Its primary coil is plugged into an outlet with 110 V(AC), from which it draws an rms current of 0.89 A.
The configuration of the output compare timer : 1. What commands are utilized for the configuration of the Output Compare Timer? How does each affect the time interval of the Output Compare timing?
Describe a multiple item direct measure of the same health : Describe a multiple item direct measure of the same health topic described above. Provide sufficient detail with examples so the instructor can determine if the measure avoids the problems you described.

Reviews

Write a Review

Mathematics Questions & Answers

  What fraction of the time does he take the bus

What fraction of the time does he take the bus

  Find the slope of the tangent line to given function

Find the slope of the tangent line to f(x) = e2X2+3x at the point where x = 0. The function g is differentiable, and the tangent line to the graph of y = g(x) at x = -5 is y = 2x - 2. Let f(x) = -3g(x) + 5x + 5. Give f' (-5).

  Determine the selling price of the house

Write and solve an equation to determine the selling price of the house. Jamie sold her house for x dollars. The real estate agent received a 5% commission and Jamie received $197,125.

  The number of assists per match for the setter on your

the number of assists per match for the setter on your schools volleyball team has a mean of 58 and a standard

  What is the growth rate

If bacteria grows exponentially, and it takes 12 hours for bacteria to double in number, what is the growth rate

  Finite complement topology

X and Y are sets. ζu refers to the usual topology, ζH is the half-open interval topology. ζC is the open half-line topology, ζF is the finite complement topology and ζcc. is the countable complement topology. R is the set of real numbers, Z is the ..

  Estimate the accuracy of the approximation

Approximate f by a taylor polynomial with degree n at the number a, and use taylors inequality to estimate the accuracy of the approximation f(x)=T(x) when x lies in the given interval

  How many revolutions will the graph of the circular helix

How many revolutions will the graph of the circular helix r(t)=acosti + asintj + 0.2tk make in a distance of 10 units measured along the z-axis?

  Use the improved euler method

Use the improved Euler method with h=0.05 to find approximate values of the solution of the given initial value problem at t=0.1,0.2,0.3, and 0.4 y'=3+t-y, y(0)=1.

  Identifying and evaluating brand extensions

When identifying and evaluating brand extensions, it is helpful to have a summary tool to judge their viability. The following checklist can provide some guidance:

  Find the average ram installed on pcs

Find the average RAM installed on PCs in the year 2007. b-f this trend continues, in which year will the average RAM installed on PCs be 14 GB?

  Suppose that ages are normally distributed with standard

a college administrator wants to study the average age of students who drop out of college after only attending one

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd