Mark M.

04/21/23

How much was invested in each vehicle?

Country Day's scholarship fund receives a gift of $ 160000. The money is invested in stocks, bonds, and CDs. CDs pay 2.25 % interest, bonds pay 4.4 % interest, and stocks pay 9.3 % interest.... more

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Math Algebra 1

04/20/23

What is the data element with a z-score of 1.5, in a data set that has a mean of 50, and a standard deviation of 5?

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Geometry

04/20/23

divide line segments

Point A is at (-6,-5) and point C is at (4,0)Find the coordinates of point of B on AC such that the ratio of AB to BC is 2:3

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Math Algebra 1

04/19/23

Find an approximate equation y=ab^x of the exponential curve that contains the given pair of points, round the value of b to two decimal places, show your work and write the full equation below.... more

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Calculus

04/19/23

Evaluate the following Integral

∫ (2√3x^2 -1 - 2/x)(3x/√3x^2 - 1 + 1/x^2) dx

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Algebra 1 Algebra 2

04/18/23

find the slope of a line

find the slope of a line perpendicular to the line whose equation is x+y=3x+y=3.

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Calculus

04/17/23

Partial derivatives

Find the first partial derivatives of the function.f(x, y) = x6y4 + 9x4y

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Math Algebra 1

04/17/23

U4.L3.HW: Logarithmic Properties: Question 24

Explain your answers only after you answer each logarithm.Let log (A) = -5, log (B) = 11, and log (C) = -10. Evaluate the following logarithms using logarithmic properties. log (A4 / √B) = log... more

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Trigonometry

04/14/23

Trigonometry: Expression to Fraction

Write the expression as a single fraction: 3 sec(-x) +2.Explain in detailed steps.

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Calculus

04/14/23

Question is down below. Find the t-value at which the graph of h has a point of inflection.

h(t) = −1/3t^3 + 16t^2 + 33t + 172.35, t ≥ 0, and t ≤ 48. Find the t-value at which the graph of h has a point of inflection.

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Algebra 2

04/13/23

If you deposit $1,000 at 1.5% annual interest compounded monthly, how long would it take until your account balance was $1,500?

Answer the question by completing each box below.Box 1 - InformationBox 2 - FindBox 3 - FormulaBox 4 - Plug & ChugBox 5 - Units

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Precalculus

04/13/23

Solve 12 cos^2(w)+14sin(w)-16=0 for all solutions 0 ≤ w <2𝝅

Anobody know how to solve this equation?Give your answers to 2 decimal places, as a list separated by commas.(It should be 4 answers)

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Precalculus

04/13/23

Consider the following. x = 5 − 2t, y = 2 + 5t

Eliminate the parameter and write the resulting rectangular equation whose graph represents the curve.

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Calculus

04/12/23

Use this property to estimate the value of the integral.

If m ≤ f(x) ≤ M for a ≤ x ≤ b, where m is the absolute minimum and M is the absolute maximum of f on the interval [a, b],thenm(b-a) ab f(x) dx ≤ M(b − a).Use this property to estimate the value... more

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Precalculus

04/12/23

pre calc question

4x^3-9x-14Find all zeros of f(x)=4x3-9x-14. Enter the zeros separated by commas. Enter exact value, not decimal approximations.

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Precalculus

04/11/23

Law of Cosines: A triangular field has sides of lengths 18, 37, 43 yd. Enter your answer as a number; answer should be accurate to 2 decimal places. Find the largest angle in degrees:

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Precalculus

04/11/23

pre calc question

f(x)-= x+5/x+8f^-1(-8)=

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Calculus

04/11/23

Find the average current for the time interval. 0 ≤ t ≤ 1/240

The oscillating current in an electrical circuit is as follows, where I is measured in amperes and t is measured in seconds.I = 4 sin(120𝜋t) + cos(60𝜋t)Find the average current for the time... more

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Calculus

04/11/23