Eugene E.

A firecracker is launched straight up, and its height is a function of time, h(t) = −16t2 + 128t, where h is the height in feet and t is the time in seconds, with t = 0 corresponding to the instant... more

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Math Precalculus

09/05/19

precalc problem

Give the standard form of the equation of the line that contains the points ( -3/2 , -9 ) and ( 8 , 8/3 )

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Algebra 2 Pre Calculus

09/04/19

Find all values of x algebraically for which the algebraic expression is not defined. X/x^2-16

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Answers •2

Algebra 1 Algebra1b

09/04/19

Formulate the recursive formula for the following geometric sequence. {-16, 4, -1, ...}

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Geometry

09/04/19

a carpenter cuts a piece of lumber into two pieces. one piece is twice the length of the other. if the longer piece is 28 long, how long was the whole piece of lumber before it was cut?

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Answers •1

Sat Math Data Analysis

08/31/19

PERCENT QUESTION

In a particular sale, all items were discounted 40%. If the original price of an item was $50, what was its sale price?

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Answers •2

Geometry

08/29/19

The measure of an angle is 3/4 of 60°. What is the measure of the complementary angle?

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Precalculus

08/28/19

This question seems so simple yet I'm having trouble understanding how to get the answers

Sergio runs a 100-meter race. 7 seconds after the race started Sergio is 35 meters from the starting line and reaches his max speed; he runs at this max speed for the rest of the race. Sergio... more

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Algebra 1

08/05/19

Are tensors multilinear maps or are they elements of the domain of these maps? In other words, are tensors operators or the objects acted on by the operators?

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Math Physics

07/10/19

Conservation of Energy

If a roller coaster begins at rest at the top of a 26 meter hill, then at the bottom of the hill how fast will it be going?

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Calculus

06/07/19

Sec 5.4 Problem 14

Find a function f and a positive number a such that 1+integral (top x bottom a) f(t)/t^2 dt=6x^(-3), x>0 a=? I know f(x)=-18x^(-2)

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Math

06/06/19

General Topology - Boundary

Consider the topology on $\mathbb{R}$, $\tau(\mathcal{E})$ where $\mathcal{E} = \{(-\infty, a] : a \in \mathbb{R}\}$. What is the boundary of $(0,1)$? I know that $bd(0,1) = cl(0,1) \setminus... more

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Math

11/05/18

Ms. Wilson invested $23,000 in two accounts, one yielding 7% interest and the other yielding 12%.

If she received a total of $2,210 in interest at the end of the year, how much did she invest in each account?

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Math Word Problem

07/30/18

The sum of two numbers is 15. If one number is subtracted from the other, their difference is 3. Find the numbers.

i need help with this problem can you help me?

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Statistics

06/20/18

Covariance of binomial distribution

Suppose X~ binomial (n, p). Then cov(X, n-X) is A. np(1-p) B.-np(1-p) C. np(1-p)² D.-np(1-p)²

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Statistics

06/20/18

Joint distribution

The random variable X and Y have joint distribution P(X=i, Y=j) =c(i+j), for i =0,1 ; j=1,2,3. (i) 1/6 (ii) 1/9 (iii) 1/12 (iv) 1/15

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Electric Charges And Fields

06/18/18

2 points charges +2microC and +8microC are placed 1 meter apart.Find point on the line joining them where the resultant field is 0.

electric charge

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Group Theory

06/06/18

Group theory

Let G be any abelian group and π : G → G a group homomorphism satisfying π2 = π (i.e. π(π(x) = π(x) for all x ε G). Show that G is the internal direct sum of ker π and Im π.

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Algebra Quadratic Equations True Or False

01/09/18

The coefficients of a, b, and c in the following quadratic equation are a = 1, b = 2, c = 1: x2 = 2x + 1 True False

need an asnwer asap, im so lost and cant continue on my work until i get this

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Maths Matrix Mathematics

01/09/18

If you know all 16 cofactors of a 4 by 4 invertible matrix A.

If you know all 16 cofactors of a 4 by 4 invertible matrix A, how would you ﬁnd A?

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Functions Mathematics Set Theory

01/08/18

Let X: [0,1] being in all real numbers be given by X(x) = max{x-0.5,0}. Find the inverse images of all intervals [a,b]

Let X: [0,1] being in all real numbers be given by X(x) = max{x-0.5,0}. Find the inverse images of all intervals [a,b] Due to lack of examples related to the theory, I am unable to properly write... more

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Linear Algebra

01/03/18

How to know if a subspace is a subspace

Given the following vectors in R3, that is: 𝑣1 = (1,2, −1), 𝑣2 = (0,1,1), 𝑣3 = (−1, −4,2) a. Find a basis, the dimension and Cartesian equations of the subspace generated by the above three... more

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Two times the least of three consecutive odd integers exceeds three times the greatest by 15. What are the integers?

Elementary mechanics

Determine a value c so that f is continuous.

precalc question: find the domain of this function?

precalc problem

Find all values of x algebraically for which the algebraic expression is not defined. X/x^2-16

Formulate the recursive formula for the following geometric sequence. {-16, 4, -1, ...}

a carpenter cuts a piece of lumber into two pieces. one piece is twice the length of the other. if the longer piece is 28 long, how long was the whole piece of lumber before it was cut?

PERCENT QUESTION

The measure of an angle is 3/4 of 60°. What is the measure of the complementary angle?

This question seems so simple yet I'm having trouble understanding how to get the answers

Are tensors multilinear maps or are they elements of the domain of these maps? In other words, are tensors operators or the objects acted on by the operators?

Conservation of Energy

Sec 5.4 Problem 14

General Topology - Boundary

Ms. Wilson invested $23,000 in two accounts, one yielding 7% interest and the other yielding 12%.

The sum of two numbers is 15. If one number is subtracted from the other, their difference is 3. Find the numbers.

Covariance of binomial distribution

Joint distribution

2 points charges +2microC and +8microC are placed 1 meter apart.Find point on the line joining them where the resultant field is 0.

Group theory

The coefficients of a, b, and c in the following quadratic equation are a = 1, b = 2, c = 1: x2 = 2x + 1 True False

If you know all 16 cofactors of a 4 by 4 invertible matrix A.

Let X: [0,1] being in all real numbers be given by X(x) = max{x-0.5,0}. Find the inverse images of all intervals [a,b]

How to know if a subspace is a subspace

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

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Eugene E.

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Emmersion

Two times the least of three consecutive odd integers exceeds three times the greatest by 15. What are the integers?

Elementary mechanics

Determine a value c so that f is continuous.

precalc question: find the domain of this function?

precalc problem

Find all values of x algebraically for which the algebraic expression is not defined. X/x^2-16

Formulate the recursive formula for the following geometric sequence. {-16, 4, -1, ...}

a carpenter cuts a piece of lumber into two pieces. one piece is twice the length of the other. if the longer piece is 28 long, how long was the whole piece of lumber before it was cut?

PERCENT QUESTION

The measure of an angle is 3/4 of 60°. What is the measure of the complementary angle?

This question seems so simple yet I'm having trouble understanding how to get the answers

Are tensors multilinear maps or are they elements of the domain of these maps? In other words, are tensors operators or the objects acted on by the operators?

Conservation of Energy

Sec 5.4 Problem 14

General Topology - Boundary

Ms. Wilson invested ​$23,000 in two​ accounts, one yielding 7​% interest and the other yielding 12​%.

The sum of two numbers is 15. If one number is subtracted from the other, their difference is 3. Find the numbers.

Covariance of binomial distribution

Joint distribution

2 points charges +2microC and +8microC are placed 1 meter apart.Find point on the line joining them where the resultant field is 0.

Group theory

The coefficients of a, b, and c in the following quadratic equation are a = 1, b = 2, c = 1: x2 = 2x + 1 True False

If you know all 16 cofactors of a 4 by 4 invertible matrix A.

Let X: [0,1] being in all real numbers be given by X(x) = max{x-0.5,0}. Find the inverse images of all intervals [a,b]

How to know if a subspace is a subspace

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

OR

Eugene E.

Ms. Wilson invested $23,000 in two accounts, one yielding 7% interest and the other yielding 12%.