4,282 Answered Questions for the topic mathematics

Mathematics Calculus Precalculus

4h

(26) Compute the difference​ quotient, f(x+h) - f(x)/h ​, for the function f(x) = x^2​, and simplify.

f(x+h) - f(x)/h = _________ (Simplify your​ Answer).
Mathematics Calculus Precalculus

5h

(16) Find the equation of the tangent line to the graph y​ = f(x) at the given value of x. f(x) = x^4, x=3

What is the equation of the tangent​ line?____________ (Type an Equation).
Mathematics Math Physics Mathematica

13h

A block with a mass

of 57.0kg, slides down a ramp starting from rest. It travels down a ramp with an incline of 30.0° and a height of 4.00m with a speed of 8.00 m/s. What is the work done by friction on the block?
Mathematics Math Physics Mathematica

13h

A non-uniform force is

applied to a 1.00kg mass as it moves in the positive x-direction. Initially, the object has a speed of 5.00m/s when it moves through the origin.a) What is the speed at x = 2?b) What is the speed of... more

Prove or disprove: A^2 - B^2 = (A - B)(A + B) for all square matrices A and B of the same size.

Prove or disprove: A2 - B2 = (A - B)(A + B) for all square matrices A and B of the same size.
Mathematics Geometry

18h

Answer the Following:

In the figure, XU = XV, line 𝑋𝑈 and line 𝑋𝑉 bisects ∠SXY and ∠TXY, respectively, and ∠2 ≅ ∠4, Prove that ∠7 ≅ ∠8 and line 𝑋𝑌 bisects ∠Y.
Mathematics Trigonometry Solving Trigo

20h

trigonometry (proven question)

cos2 (x/2) = (tanx + sinx) / 2 tanx

1d

Precalculus question

Solve the equation. Find ALL solutions.cos 2x = -√3/2
Mathematics Math Physics Mathematica

1d

A 0.250kg ball is thrown with

an initial speed of 35.0 m/s at a 40.0° angle above the horizontal. It is thrown from the top of a building which is 17.0m above the ground. Ignore air resistance. What is the maximum height above... more
Mathematics Math Geometry

1d

Math Geometry Question

In the Pythagorean Theorem, the sum of the squares of the legs is equal to the square of _____.Options: Shorter leg, longer leg, sum of the angles, hypotenuse.

2d

statistics help! standard deviation

The standard deviation of Y is 1.236.Choose the best interpretation of the standard deviation from those given below.A) The most common number of siblings among high school students is 1.236.B) The... more

2d

statistics help! binomials

Faith is a 95% free throw shooter. At practice, each player shoots 20 free throws. Let X =the number of free throws Faith makes out of 20 shots.Enter your answers rounded to 3 decimal places. Use... more

2d

statistics help! discrete and continuous variables

Identify if the following scenarios describe a discrete or continuous random variable. X = The number of persons in an emergency room W = The weight of an elephant at the zoo  H = The areas of... more

2d

STATISTICS HELP! Faith is a 95% free throw shooter. At practice, each player shoots 20 free throws. Let X = the number of free throws Faith makes out of 20 shots.

Faith is a 95% free throw shooter. At practice, each player shoots 20 free throws. Let X =the number of free throws Faith makes out of 20 shots.Which of the following explains why this scenario... more
Mathematics Math

2d

MATHEMATICS RATIOS

In a class with 28 students there are 18 boys. What is the ratio of girls to boys in simplest form?18:105:910:1828:1014:5
Mathematics Math Algebra 1 Algebra 2

2d

3 tan^2 7x = 1

How many answers would you expect this equation to have on [0,2π)? Explain why.
Mathematics Math Algebra 1 Algebra 2

2d

3 tan^2 7x = 1

How many answers would you expect this equation to have on [0,2π)? Explain why.
Mathematics Math Algebra 2 Polynomials

2d

Please graph the function and show all work for the table

Given the polynomial: y=x(x+2)(x-3)complete the table (show all work)x/ now find the y-3-112please show all work and graph the function please
Mathematics Math Statistics Psychology

2d

Is an interaction effect only present when the two lines cross in a plot?

Hello, I was wondering if it were possible to have an interaction effect even if the lines do not meet in a plot. I know there is no interaction effect when two factors have the same slope, which... more

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