Doug C.

Math

07/04/23

Answer the maths question in description

The given diagram is a sketch of a new 25 m swimming pool to be installed in a school sports complex.a.Find the area of the shaded side of the pool.

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Math

07/02/23

College algebra question

the polynomial of degree 3 p(x) has a root of multiplicity 2 at x=4 and a root of multiplicity 1 at x= -3. the y-intercept is y = -19.2.find a formula for P(x)

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Geometry

06/30/23

Seth is using the figure

Seth is using the figure shown below to prove the Pythagorean Theorem using triangle similarity:In the given triangle DEF, angle D is 90° and segment DG is perpendicular to segment EF.Part... more

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Answers •2

Calculus

06/29/23

Find two positive numbers that satisfy the given requirements. (Enter your answers as a comma-separated list.) The product is 238 and the sum is a minimum.

Find two positive numbers that satisfy the given requirements. (Enter your answers as a comma-separated list.)The product is 238 and the sum is a minimum.

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Answers •3

Calculus

06/28/23

The given curve is rotated about the y-axis. Find the area of the resulting surface. x2⁄3 + y2⁄3 = 9, 0 ≤ y ≤ 27

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Math

06/27/23

Solving the system of linear equations but can't figure out this one.

Solve the system of linear equations and check any solutions algebraically. (If there is no solution, enter NO SOLUTION. If the system is dependent, express x, y, and z in terms of the... more

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Math

06/27/23

permutations and computations

a catering service offers 12 appetizers, 7 main courses, and 8 desserts. a customer is to select 7 appetizers, 2 main courses, and 2 desserts for a banquet. in how many ways can this be done ?

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Calculus

06/27/23

A ball is dropped from the top of the Empire State building to the ground below. The height, y, of the ball above the ground (in feet) is given as a function of time, t (in seconds), byy = 1250 -... more

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Calculus

06/26/23

Limits with algebra

Can someone please explain this problem step by step as how you get the answer -1/16lim(h->0) (1/(4+h) - 1/4)/h

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Answers •1

Calculus

06/26/23

Prove that: d/dx (cosh^(-1) x) = (1/√(x^2 - 1))

Problem #1. Prove that:d/dx (cosh-1 x) = (1/√(x2 - 1))Problem #2. Evaluate the derivative:d/dx [cosh(ln x)]Problem #3. Compute the definite integral:∫10 (1/√(16x2 + 1)) dx

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Math Algebra 1 Algebra 2

06/26/23

Expand the function f(x) = 1/(3-x) in a Taylor series around a=2 and determine the interval of convergence.

Hi can u help me solve this question step by step. I dont reaaly understand and it would be perfect to have a visual reference. Thanks

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Math

06/26/23

PERMUTATION FOR SERIAL NUMBERS

Serial numbers for a product are to be made using 4 letters followed by 3 digits. The letters are to be taken from the first 9 letters of the alphabet, with no repeats. The digits are taken from... more

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Math Calculus

06/24/23

Tangent Line Calc

let f(x) = (2sinx)/(4sinx+6cosx)the f'(x)= 12/(4sin(x)+6cos(x))^2the equation of the tangent line y=f(x) at a pi/2 can be writen in y=mx+b form m=b=

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Calculus

06/22/23

Maximize. Use n for number of Newspaper advertisements and r for number of Radio advertisements .

A company has $4,910 available per month for advertising. Newspaper ads cost $130 each and can't run more than 19 times per month. Radio ads cost $310 each and can't run more than 28 times per... more

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Answers •2

Math Algebra 1 Algebra 2

06/21/23

Find the sum of the following convergent series: a)∑_(n=1)^∞ n/(n+1)! b) (∑_(n=1)^∞ 2/5^n)-(∑_(n=1)^∞ 3^n/5^n)

Can you help me with this problem step by step. Usually I dont have problems with these but now I don't understand nothing

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Answers •2

Math

06/20/23

Two numbers multiply to be 24 and add to be -11. What are the numbers?

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Answers •1

Math

06/19/23

√2+1 / √2 - 1 rationalise the denominator

Rationalise the denominator in detail please, urgent help

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Answers •2

Calculus

06/17/23

calculus question

Helium is being pumped into a spherical balloon at a rate of 3 cubic centimeters per second. How fast is the radius of the balloon increasing when the radius is 10 centimeters? Round your answer to... more

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Math

06/16/23

How many ounces of each solution should she use?

A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is 35% salt and Solution is 60% salt. She wants to obtain 110 ounces of... more

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Calculus

06/15/23

A line perpendicular to a tangent line is called a normal line. Find an equation of the line perpendicular to the line that is tangent to the following curve at the given point P. Y=x^2-4x; P(7,21)

The equation of the normal line at P(7,21) is

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Answers •3

Calculus

06/14/23

calculus area help

Find the area between the curves f(x)=x2 and g(x) = ax. (Assume a > 0)(Hint: Your answer will be in terms of a.)The area is enter your response here.

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Answers •2

Precalculus

06/14/23

Precalculus Polynomials

Two polynomials P and D are given. Use either synthetic or long division to divide P(x) by D(x) and express the quotient in the form P(x)/D(x)= Q(x)+ R(x)/D(x)P(x) = 3x3 + 9x2 − 6x − 1, D(x)... more

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Geometry

06/13/23

How to find side length of triangle given the three angles and area

Find side length of triangle. Angle A=50°Angle B=55°Angle C=75°Area=43,560 square feetWith that information, I need to find the length between A and B.

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Calculus

06/08/23

Find the Arc Length Calculus

Use the arc length formula to find the length of the curve y = √(2-x^2) , 0≤x≤1

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Math Calculus Precalculus

06/08/23

find the derivative

find the derivative of -9sin2(-3x5)

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Answer the maths question in description

College algebra question

Seth is using the figure

Find two positive numbers that satisfy the given requirements. (Enter your answers as a comma-separated list.) The product is 238 and the sum is a minimum.

The given curve is rotated about the y-axis. Find the area of the resulting surface. x2⁄3 + y2⁄3 = 9, 0 ≤ y ≤ 27

Solving the system of linear equations but can't figure out this one.

permutations and computations

Derivative Velocity/MPH

Limits with algebra

Prove that: d/dx (cosh^(-1) x) = (1/√(x^2 - 1))

Expand the function f(x) = 1/(3-x) in a Taylor series around a=2 and determine the interval of convergence.

PERMUTATION FOR SERIAL NUMBERS

Tangent Line Calc

Maximize. Use n for number of Newspaper advertisements and r for number of Radio advertisements .

Find the sum of the following convergent series: a)∑_(n=1)^∞ n/(n+1)! b) (∑_(n=1)^∞ 2/5^n)-(∑_(n=1)^∞ 3^n/5^n)

Two numbers multiply to be 24 and add to be -11. What are the numbers?

√2+1 / √2 - 1 rationalise the denominator

calculus question

How many ounces of each solution should she use?

A line perpendicular to a tangent line is called a normal line. Find an equation of the line perpendicular to the line that is tangent to the following curve at the given point P. Y=x^2-4x; P(7,21)

calculus area help

Precalculus Polynomials

How to find side length of triangle given the three angles and area

Find the Arc Length Calculus

find the derivative

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