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Are any of these vector spaces and if not why not.

a. The set {(x, .5x), where x is a real number} with standard operations for addition and scalar multiplication. b. The set of all 2x2 matrices of the form [ 𝑎 𝑏] ... more

04/24/20

linear equation word problems

I need to write linear equations for the hotdog and the cheesburgers or I need to solve them.At the baseball game the Kacanich family purchased 3 hot dogs and 2 cheeseburgers and paid $31.25. The... more

use function to find (a) the image of v and (b) the preimage of w:-

1-T(v1,v2)=(v1+v2,v1-v2),v=(3,-14),w=(3,19) 2-T(v1,v2,v3)=(v2-v1,v1+v2,2v1),v=(2,3,0),w=(-11,-1,10)

04/14/20

isomorphism and inverse

Let T : R2 → R2 be the linear transformation T(x, y) = (2y−x,3y−x) Compute the value of the inverseT-1 (3,3)=?

01/16/20

Consider a binomial experiment with n = 6 trials where the probability of success on a single trial is p = 0.05. (Round your answers to three decimal places.)

Consider a binomial experiment with n = 6 trials where the probability of success on a single trial is p = 0.05. (Round your answers to three decimal places.) (a) Find P(r = 0). (b) Find P(r ≥ 1)... more

Vector Proof Question

Suppose v and w are vectors in Rn . Show that || v − w || ≥ || v || − || w ||

Vectors: True or False Questions

Determine which of the following statements are true and which are false.(a) There exist vectors v, w ∈ R3 such that ||v|| = 3, ||w|| = 3, and ||v + w|| = 7.(b) There exist vectors v, w ∈ R2 such... more

01/14/20

Probability ps help

A company manufactured a batch of CDs and 3% are defective. If 10 are selected and tested, what is the probability that at least 1 CD is defective?

01/08/20

Difference quotient problem

Suppose f(x) = x^2 + x − 1, simplify the following: (a) f(x + h) = (b) f(x + h) − f(x) = (c) Compute the difference quotient f(x + h) − f(x) h . Simplify until the h in the denominator is canceled.

12/17/19

Probability word problem

Emily's family goes to the dog park every 30 days. she has soccer practice every 9 days. she has both activities this Saturday. in how many days will she have both activities again?

12/03/19

Linear Algebra Question

. Let 𝑊 be the set of all matrices of the following form with real numbers 𝑎, 𝑏, 𝑐, 𝑑. [ 𝑎 𝑏 0 𝐴 = | 𝑏 𝑐 𝑑 0 𝑑 𝑎 ] a) Determine whether the set 𝑊 is a subspace of 𝑀33 (vector... more

11/26/19

Linear Algebra Question

Let A =-17 -1510 8Find a matrix S, a diagonal matrix D, and S^-1 such that A=SDS^-1.

11/26/19

Linear Algebra Question

Let A =-17 -1510 8Find a matrix S, a diagonal matrix D, and S^-1 such that A=SDS^-1.

Uniform Random Number blocks in my simulation model?

I've used 2 Uniform Random Number blocks in my simulation model, but every time I run the program they generate last numbers (exactly the same). I need to test the model with new generated numbers.... more

Linear Programming Problem

A chemical plant makes three major products on a weekly basis. Each of these products requires a certain quantity of raw chemical and different production times, and yields different profits. The... more

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