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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).

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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).

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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?

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Mathematics Math Physics Mathematica

13h

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

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Mathematics Math Discrete Math Linear Algebra

14h

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.

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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.

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Mathematics Trigonometry Solving Trigo

20h

trigonometry (proven question)

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

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Mathematics Math Precalculus Pre Calculus

1d

Precalculus question

Solve the equation. Find ALL solutions.cos 2x = -√3/2

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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

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Mathematics Math Algebra 1 Pre Algebra

1d

At the local pet store, Zebra fish cost $2.10 each and Neon Tetras cost $2.20 each. If Marsha bought 11 fish for a total cost of $23.50, not including tax, how many of each type of fish did she buy?

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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.

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Mathematics Math Statistics Probability

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

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Mathematics Math Statistics Probability

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

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Mathematics Math Statistics Probability

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

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Mathematics Math Statistics Probability

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

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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

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Mathematics Math Algebra 1 Algebra 2

2d

Verify: (cotx / 1 - tanx) + (tanx / 1 - cotx) = 1 + tanx + cotx

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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.

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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.

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Mathematics

2d

The ratio of boys to girls in a class is 2 to 3. If there are 30 students in the class, how many of them are boys?

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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

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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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Mathematics

3d

If the digits of the numbers are reversed, the number is increased by 36. The sum of the digits in the number is two and one-half times their difference. What is the number?

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Mathematics

3d

The sum of the digits of a two-digit number is 6. When the digits are reversed, the number is increased by 18. Find the original number.

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Mathematics

3d

In five years, Ana’s age will be twice the age of her friend Jun. Five years ago, she was three times as old as her friend. Find their present ages.

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