# Posts by WINSTON

Total # Posts: 111

Computer Architecture
home / study / engineering / computer science / computer science questions and answers / 4.7 problems in this exercise assume that the logic blocks used to implement a processor’s ... Question: 4.7 Problems in this exercise assume that the logic blocks used to implement a...

Theory of Computing
Prove the following identities in a Kleene algebra. a) (a + bb + ba(b + aa)* ab)* = (a + b(ab*a)* b)* b) a* + a*b(ba*b +ab*a)* ba* = (a + b(ab*a)* b)*

Theory of Computing
1. Prove by induction that b - a | b^n - a^n for all n >= 1.

Math
Anyway to do it without drawing?

Math
Prove that if A?B = A?B then A=B. Having troubles figuring this one out.

Math
What criterias do two graphs have to meet in order to be isomorphic? I know they must have the same number of vertices and edges. Do they both have to be bipartite/non-bipartite?

Math
What criterias do two graphs have to meet in order to be isomorphic? I know they must have the same number of vertices and edges. Do they both have to be bipartite/non-bipartite?

Math
Decide if the following pair of functions are of the same order. The functions f(x) and g(x) are of the same order if f(x) is O(g(x)) and f(x) is ?(g(x). (a) f(x) = x^2 - 7 and g(x) = x^2 + 7

Math
Decide if the following pair of functions are of the same order. (a) f(x) = x^2 - 7 and g(x) = x^2 + 7 I found this example solution online: a). f(x) = 3x + 7 and g(x) = x x <= 3x + 7 <= 4x for all x > 7 I need help making sense of this so I can apply it to my work. ...

Math

Math
Decide if the following pair of functions are of the same order. (a) f(x) = x^2 - 7 and g(x) = x^2 + 7 I found this example solution online: a). f(x) = 3x + 7 and g(x) = x x <= 3x + 7 <= 4x for all x > 7 I need help making sense of this so I can apply it to my work. ...

Math
I'm not sure. eecs.yorku.ca/course_archive/2015-16/F/1019/assn/A6.pdf Question 30 shows an example but I don't really understand.

Math
Decide if the following pair of functions are of the same order. (a) f(x) = x^2 - 7 and g(x) = x^2 + 7

Math
Find the smallest integer value of N such that f(x)=O(x^N). a) f(x) = x^7 - 150x^6 + 3x^3 + 111 b) f(x) = (x^3 + 2x^2) / (x^4 + x^2 + 1) c) f(x) = ?x? d) f(x) = ?x?

Math
Find the smallest integer value of N such that f(x)=O(x^N). a) f(x) = x^7 - 150x^6 + 3x^3 + 111 b) f(x) = (x^3 + 2x^2) / (x^4 + x^2 + 1) c) f(x) = ?x? d) f(x) = ?x?

Math
Sorry posted the wrong question earlier. Let A and B be sets. Show that A \ (A \ B) ? B.

Math
It's actually A \ (A \ B) ? B

Math
Let A and B be sets. Show that A\B(A\B) ? B.

Math
Let A and B be sets. Show that A\B(A\B) ? B.

Math
Let A and B be sets. Show that A\B(A\B) ? B.

Math
Suppose that the domain of discourse is the set {-2, -1, 0, 1, 2}. Express the following statements without using quantifiers, using only the connectives ¬, V, ?. (a) ?x P(x) (b) ?x P(x) (c) ? ¬P(x) (d) ? ¬P(x) (e) ¬? P(x) (f) ¬? P(x)

Math
Suppose that the domain of discourse is the set {-2, -1, 0, 1, 2}. Express the following statements without using quantifiers, using only the connectives ¬, V, ?. (a) ?x P(x) (b) ?x P(x) (c) ? ¬P(x) (d) ? ¬P(x) (e) ¬? P(x) (f) ¬? P(x)

Math
Suppose that the domain of discourse is the set {-2, -1, 0, 1, 2}. Express the following statements without using quantifiers, using only the connectives ¬, V, ?. (a) ?x P(x) (b) ?x P(x) (c) ? ¬P(x) (d) ? ¬P(x) (e) ¬? P(x) (f) ¬? P(x)

Math
does this look good to you? (a). x = 3 (b). x := 3 + 2 = 5 (c). x := 32 = 9 (d). x := 3 + 8 = 11 (e). x = 3

Math
Thanks. so what would an example solution for a?

Math
What is the value of x after these statements if the starting value of x is 3. (a) If x^2 = 5^x then x := 25^x. (b) If x^2 > x and x^3 < 4x^2 then x := x+ 2. (c) If 4^x < x^4 or x^5 > 5^x then x := x^2. (d) If 5^x > 2^x xor x^2 < 11 then x := x + 8. (e) If x...

Math
Just want to make sure what I'm doing is right. Thanks!

Math
Consider the propositions p: "You like hockey.", q: "You like the cold.", r: "You play hockey.", and s: "You watch hockey." Write the following propositions using p,q,r and s and logical connectives. (a) You watch hockey but you do not ...

Statistics
You are interested in estimating the mean of a population. you plan to take a random sample from the population and use the samples mean as an estimate of population mean. Assuming that the population from which you select your sample is normal, which of the statements about ...

Math
In a 5 km race, Anna swims 450 m, then runs 800 m. She then cycles the rest of the race. How many kilometres does she cycle?

Math
Three blocks, each 15 cm thick, are stacked on top of a 1.2 m box. How many metres high is the stack?

Math
Gary walked 1 1/2 km to school, then 750 m to his job, then 1 km home. How many kilometres did he walk altogether?

Math
A shirt button gas a mass of 400 mg. A factory produces a tonne of these buttons in a year. How many buttons does it produce.

Math
Pat cuts a 40 cm length off a 3 m ribbon. How many centimetres of ribbon remain?

Linear Algebra
Let T be a linear operator on R2 defined as follows on the standard basis of R2. T(1, 0) = (3, 2), T(0, 1) = (−1, 4). Find T(9, 4).

Dylan
Find two distinct intervals where f(x) = x^7 + 3x^2 - 11x + 5 has at least one root.

math
Need help computing this limit. lim x->0 x^3 (1 - 5sin(1/x)) I can't figure out how to remove the x.

math
Find two distinct intervals where f(x) = x^7 + 3x^2 - 11x + 5 has at least one root.

math
Find the value of K such that the map f is continuous at x = -2 if f(x) = { K/((x^2)+4) if -5 <= x < -2, (x^3)+7 if -2 <= x <= 4.

math
Find all the values of x in the interval [0, 2pi] such that tan^2(x) = 3.

math
Knowing that 0 <= x <= pi/2, 0 <= y <= pi/2, that sinx = 1/4 and that cosy = 1/5, find sin(x + y), sin(x - y), cos(x + y), cos(x - y)

Math
52m

1.object of preposition 2. Predicate noun

Ms.sue are my answers correct? I know what gerunds are so i don't need to state there.

2.predicate noun 3.subject 4.direct object 5.direct object 6.direct object kindly check

Identify the gerund and classify whether it is used as a subject, direct object, indirect object, predicate noun, appositive, and object preposition.  1. He left without saying goodbye.  2. Studying is investing for the future.  3. Making a major decision is no ...

Identify the gerund and classify whether it is used as a subject, direct object, indirect object, predicate noun, appositive, and object preposition. 1. He left without saying goodbye. 2. Studying is investing for the future. 3. Making a major decision is no easy thing. 4....

Math
using gauess approach 1+2+3+4+... +99 1+3+5+7+...+101

Math
A pig farmer wants to enclose a rectangular area and then divide it into three pens with fencing parallel to one side of the rectangle (see the figure below). There are 940 feet of fencing available to complete the job. What is the largest possible total area of the three pens?

april 26

math help
given the function F described by f(x)--x-6. find f(-7)

MATH
is it 1953125 ?

MATH
5^6 * 5^3

math
the gauss's approach to find the following 1+2+3+4+... 99 1+3+5+7+...101

MATH
a crew consists of 1 apprentice, 1 journeyman and 1 master carpenter. The crew receives a check for \$5950 for a job. A journeyman makes 300% of what a apprentice makes, and a master makes 150% of what journeyman makes how much do each person on the crew make? The apprentice? ...

math
find the prime factorization of 35^3 *55*9^11

MATH
In a fraternity with 38 members , 18 take math, 5 take both math and literature and 8 take neither math or literature. how many take literature but not math? I came up with 16 is that correct or am i lost ?

MATH
put in order from largest to smallest 0.54, 0.60686, 0.5065

math
the mass of a grain of sand is 8.7*10^-8 write the nurmeral in secentence in standard form.

MATH
sub 789 for x -2.5x^2 +2825x-115,812.5 having troubble undeerstanding the process . could someone show me step by step..

MATH
sub 789 for x -2.5x^2 +2825x-115,812.5

math
sub 780 for x -2,5x^2 +2825x -115,812.5

math
substitute 400 for x 0.005x^2-45x+12,000

math
subsititude 9 for x 123x^2-492x+813

math
select the approximate values of x that are solutions to f(x)=0 where f(x)-5x^2+8+5

math
select the approximate values of x that are solutions to f(x)=0, f(x)=-8x^2+2x+4

MATH
Use your calculator to compute the actual roots. Use the Quadratic Formula to solve x2 – 4x – 8 = 0.

math
2x^2+7=9

math
slove for ^x x^2-3x-18=0

math
x^2+x-18=0 quadratic equation slove for x

math
x(6x+1)<15 can some one explain the problem and answer to me step by step please.. I missing the process

math
14x^2+19x+32=18

math
y=9(7+4)^2+9

math
y=-5x^2+10x-1

MATH
NEED SOME HELP 2x^2+5x+3=0

math
help pleaSE factorable quadratic equation and solve for the roots: 2x^2 + 13x + 20=0

MATH
f(x)= -6x-1 and g(x)=4x^2 select the soultion for (f+g)(x) stuck not sure which answerer is correct -24x^2-1 or -24x^3-4x^2

MATH
F(X)=-6-1 AND G(X)=4X^2 WHAT WOULD THE SOLUTION FOR (FG) (X) BE. im stuck between -24x^2-1 or -24x^3-4x^2

math
help select the x coordinate of the vertex of paraloa defined by function f(x) -5x^2+7x+3 stck between two options =5/7 or -7/5

math
can some one help me ... determind the equation of g(x) that results translating the funtion f(x)=x^2 +19 upward 15 units,,,, the answere im stuck is not sure g(x)=x^2+24 0r is it g(x)=(x+15)^2 +9

MATH
HELP PLEASE y = 3x2 + 2x – 1

math
im stuck on this problem can some one please explain.. y=9(7+4)^2+9

math
i need some help please 2x^2 +5-3

math
need help! solve for y 7y^2-52y-32=0

math
i need help understanding this problem. 3x^2+4x+2=0

math
need some help 2x^2 + 5x -3

MATH
help 16^2ã24/6ã56

MATH
can somone help! 7ã2*3ã9

MATH
help... 5sqrt(8) - 3sqrt(18) + sqrt(3)

MATH

math
simplfy 3 root 3/8

math
need help 3x^2sqrt(5x) * 3sqart(3x^3)

College Mathematics
Solve: 8.5x +8 = 1.3x + 15 A. x = 50.4 B. x = 0.7 C. x = 3.2 D. x = 1.0 Is B the correct answer

College Mathematics
Thanks

College Mathematics
The mass of a large stone block was determined to be 3361 kg. What is the weight of this stone in tons? A. 3.7 B. 1680.5 C. 1512.45 D. 3361

Personal Finance
You and your spouse both have good retirement plans through work, and both receive social security checks based on your own incomes. If your goal is to maximize the size of your annuity check everymonth which option should you choose? A. Single Life Annuity B. Annuity for Life...

Personal Finance
Thanks

Personal Finance
Social Security is all but: A. financed through working individuals and employers. B. a government benefit paid to elderly and disabled. C. a specific savings plan to which individuals contribute and from which they benefit. Is the Answer C ?

life orientation
Alcoholism

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