Josh W.

12/06/23

Discrete Math: Euclidian's Algorithm & Congruence

Can someone please help me with these, as I understand the logic of whether it is true or not but I am not sure what is the correct way to prove them mathematically. Prove or disprove the following... more

Follows • 1

Answers •1

Linear Algebra

09/01/22

3) Prove the following statement: “If x is an even integer, then x^2 is also even."

Not sure if I solved it correctly, but feel free to solve it another way or correct me. Here is what I did:x^2=(2n+2)^2 -- I let nE(belongs to)R(all real number) such that x^2 is an even... more

Follows • 1

Answers •1

Linear Algebra

09/01/22

1a) Write the negation of “if x2>4 then x>2” (your statement should be an “and” or “there exists” statement). 1b) Give all the xvalues that are described by your negation statement.

I know your suppose to use universal or existential quantifier with the reverse A(for all) or E(there exist) element. However, I tried solving it a different way and would this be a possible... more

Follows • 1

Answers •1

Math Calculus Integral Calculus

12/07/21

Use cylindrical coordinates to evaluate the triple integral

Use cylindrical coordinates to evaluate the triple integral ∫∫∫𝐄 sqrt(x^2+y^2) dV, where 𝐄 is the solid bounded by the circular paraboloid z=16 - 4 (x^2+y^2) and the xy-plane.

Follows • 1

Answers •1

Discrete Math

11/22/21

discrete math e

Events A, B, and C in a sample space have P(A)=0.2, P(B)=0.4, and P(A ∪ B ∪ C)=0.9. Find P(C) if A and B are mutually exclusive, A and C are independent, and B and C are independent.

Follows • 1

Answers •1

Discrete Math Finite Math

11/12/21

If the following statement is false, provide a counterexample; if the following statement is true, write a proof: "For all integers a,b, and c if a|bc then a|b or a|c".

Follows • 1

Answers •1

Linear Algebra

01/26/21

Find the general solution of the system whose augmented matrix?

Find the general solution of the system whose augmented matrix is given belowa. x1 = x2 is freex3 is freeb. x1 =x2 =x3 =c. x1 = x2 is freex3 = d. The system has no solution

Follows • 1

Answers •1

Linear Algebra

01/26/21

Find the general solution of the system whose augmented matrix is given below

Chose one:1.x1 = x2 = x3 is free2.x1 = x2 = x3 =3.x1= x2 is free x3 is free4.The system has no solution

Follows • 1

Answers •1

Linear Algebra

01/20/21

A^-1 element Qn,n

Hey, i am studying linear algebra 1 , i need a solution for this problem please , i don't know how to start:(Let A =[aij] € GLn (IR) with aij element Z. Show the following statements: 1.) A^-1... more

Follows • 1

Answers •1

Math Linear Algebra Maths

01/18/21

Linear Algebra : Equivalence Statements Involving Elementary Matrices

Prove : If an n*n matrix A can be expressed as a product of elementary matrices, Ax = b is consistent for every n*1 matrix b.My thoughts on the question :Since A can be expressed as a product of... more

Follows • 2

Answers •1

Calculus

01/15/21

Find the vector equation for the line of intersection of the planes 𝑥−5𝑦+2𝑧=−1 and 𝑥+2𝑧=0

Find the vector equation for the line of intersection of the planes 𝑥 −5𝑦 + 2𝑧 = −1 and 𝑥 + 2𝑧 = 0 | _ | | -10 |x= | _ | + t | _ | | 0 | | _ |Matrices fill in the blanks

Follows • 1

Answers •1

Math Calculus Precalculus

01/13/21

Find n(A’∪B) Finite

Suppose that A and B are subsets of a universal set U. Suppose that:N(U)=50N(A)=10n(B)=38 n(A’ ∩ B’)= 15Find n(A’∪B)

Follows • 1

Answers •1

Calculus

01/11/21

The temperature of a roast varies according to Newton's Law of Cooling: dT dt equals negative k times the quantity T minus A , where T is the water temperature...

The temperature of a roast varies according to Newton's Law of Cooling: , where T is the water temperature, A is the room temperature, and k is a positive constant.If a room temperature roast... more

Follows • 1

Answers •2

Math Calculus Precalculus

01/11/21

What is the integral of (1-2x)^2 dx/x

Please help me answer my homework, thank you

Follows • 1

Answers •1

Calculus Precalculus Integral Calculus

01/11/21

What is the integral of cos^2 dy/1-siny

please help me answer this problem, thank you

Follows • 1

Answers •1

Differential Equations

01/11/21

PLEASE HELP ASAP! PLEASE

solve the differential equation:(e^(-x2/2) - xy) dx=dy

Follows • 1

Answers •1

Calculus

01/10/21

maximum and minimum S.P.

for F(x,y) = 6x . y - 24(x + y)Subject to x^2 + y^2 = 16Find:a) a global maximum stationary point and its valueMaximum point: (x,y)max =Maximum value: F(x,y)max =b) a global minimum stationary... more

Follows • 1

Answers •1

Calculus

01/10/21

stationary points for max and min

for F(x,y) = 6x . y - 24(x + y)Subject to x^2 + y^2 = 16Find:a) a global maximum stationary point and its valueMaximum point: (x,y)max =Maximum value: F(x,y)max =b) a global minimum stationary... more

Follows • 1

Answers •1

Calculus

01/10/21

Stationary points

for F(x,y) = 6x . y - 24(x + y)Subject to x^2 + y^2 = 16Find:a) a global maximum stationary point and its valueMaximum point: (x,y)max =Maximum value: F(x,y)max =b) a global minimum stationary... more

Follows • 1

Answers •1

Calculus

01/09/21

Calculating laplacian and gradient

Consider the scalar field Φ(x,y,z) = sin(-z) * e^-y + 7a) Calculate the gradient of Φb) Calculate the Laplacian of Φc) Is this field harmonic ? No/Yes

Follows • 1

Answers •1

Calculus

01/08/21

Calculus Integration

Suppose that is an even function. If and , what is ?

Follows • 1

Answers •1

Calculus

01/08/21

Calculus Integration

The graph of f(x) shown below is a piecewise linear function. Find .

Follows • 1

Answers •1

Calculus

01/08/21

Calculus Integration

If , what is ?

Follows • 1

Answers •1

Algebra 2

01/07/21

Algebra 2 permutations

There are 16 girls and 20 boys in a class. A team of 3 students is to be selected for preparing a science project from this class. How many ways can at a two boys and a girl be selected from this... more

Follows • 1

Answers •2

Ap Calculus

01/07/21

Derivative,Ap maths

Find derivative of cosx at x=0Using the formula, derivative of f at point a is denoted by f'(a), f'(a)=Lim(h→0) (f(a+h)-f(a)) /h

Follows • 2

Answers •1

Discrete Math: Euclidian's Algorithm & Congruence

3) Prove the following statement: “If x is an even integer, then x^2 is also even."

1a) Write the negation of “if x2>4 then x>2” (your statement should be an “and” or “there exists” statement). 1b) Give all the xvalues that are described by your negation statement.

Use cylindrical coordinates to evaluate the triple integral

discrete math e

If the following statement is false, provide a counterexample; if the following statement is true, write a proof: "For all integers a,b, and c if a|bc then a|b or a|c".

Find the general solution of the system whose augmented matrix?

Find the general solution of the system whose augmented matrix is given below

A^-1 element Qn,n

Linear Algebra : Equivalence Statements Involving Elementary Matrices

Find the vector equation for the line of intersection of the planes 𝑥−5𝑦+2𝑧=−1 and 𝑥+2𝑧=0

Find n(A’∪B) Finite

The temperature of a roast varies according to Newton's Law of Cooling: dT dt equals negative k times the quantity T minus A , where T is the water temperature...

What is the integral of (1-2x)^2 dx/x

What is the integral of cos^2 dy/1-siny

PLEASE HELP ASAP! PLEASE

maximum and minimum S.P.

stationary points for max and min

Stationary points

Calculating laplacian and gradient

Calculus Integration

Calculus Integration

Calculus Integration

Algebra 2 permutations

Derivative,Ap maths

Still looking for help? Get the right answer, fast.

OR

Josh W.

IXL

Rosetta Stone

Education.com

TPT

Vocabulary.com

ABCya

SpanishDictionary.com

Inglés.com

Emmersion