Tom K.

Trigonometry

12/11/20

Power Reducing Formula

Use the power reducing formula on sin^3(x)

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Math Calculus Cauchy Integral Formula

12/10/20

Solve this complex integral using the Cauchy integral formula

∮(z+4) / ((z^2) +2*z+5)) dz C:|z+1-i| = 2 (center points:(-1,1)) where C is a circle of radius 2?

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Probability

12/10/20

A group of 15 activists (7 Democrats, 6 Republicans and 2 Independents) want to form a committee so that they can change the world. The committee is to have 6 members on it, with 2 representatives... more

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Calculus

12/10/20

How do you solve this? I know that you have to use the Surface area equation but I got lost while doing the work. Please help :(

The material for the cans is cut from sheets of metal. The sylindrical sides are formed by bending rectangles. These rectangles can be cut without very much waste. But if the tops and bottoms are... more

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Calculus

12/10/20

Derrivative rules

Consider the functions f(x) and g(x) for which f(0)=7 g(0)=9 f ' (0)=-7 and g '(0) =2find h '(0) for the function h(x)=f(x)/g(x)h '(0)= my final answer comes to -77/18 but webwork says its wrong help more

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Algebra 1 Algebra 2

12/09/20

Area enclosed by parabola

Area enclosed by parabola The figure shows a graph of y= ax2+ bx + c. Suppose that the points (-h,y0), (0,y1), and (h,y2) are on the graph. The area enclosed by the parabola, the x-axis, and the... more

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Statistics Null Null Hypothesis

12/08/20

How do I state the distribution to use for this test?

"Untitled," by Stephen Chen"I've often wondered how software is released and sold to the public. Ironically, I work for a company that sells products with known problems. Unfortunately, most of the... more

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Math Calculus Precalculus

12/08/20

When converted to radian measure, -450⁰ can be represented by Aπ.

What is the value of A?

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Answers •2

Geometry

12/08/20

A triangle has angle measurements of 42°, 66°, and 72°. What kind of triangle is it?

acute right obtuse

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Answers •2

Ap Calculus

12/08/20

Find (f^-1)'(0)

Find (f^-1)'(0), if f(x) = ∫₂^x (dt)/(sqrt(1+t^4)),f(2) = 0

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Calculus Calculus Sequences

12/08/20

Finding a series

Find a series that converges conditionally, where the n=10 term for the series is 12 and the n=11 term is -6.

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Calculus

12/07/20

Determine if the Mean Value Theorem for Integrals applies to the function f of x equals the square root of x minus 1 on the interval [1, 5]. If so, find the x-coordinates of the point(s) guaranteed...

Determine if the Mean Value Theorem for Integrals applies to the function on the interval [1, 5]. If so, find the x-coordinates of the point(s) guaranteed to exist by the theorem.... more

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Calculus

12/07/20

Asking to simplify

d/dx ∫05x^3 cos(t) dtUpper: 5x^3Lower: 0

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Statistics Computer Programming R

12/07/20

If I am trying to create a barplot with errors, what am I doing wrong in this code that is producing an error?

Error message: Error: unexpected '=' in:" summarise(`Support For H-1B Visas` = mean(h1bvis.supp, na.rm = TRUE) %>% sd ="Code:immig %>% mutate(`Full Sample` = case_when( ... more

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Precalculus

12/07/20

precal question

Factor using the Binomial Theorem.(x − 5)5 + 5(x − 5)4 + 10(x − 5)3 + 10(x − 5)2 + 5(x − 5) + 1

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Calculus

12/06/20

Let f(x)=x−x^1/4 on [0,1].

Let f(x)=x−x^1/4 on [0,1]. f(0)=_________ f(1)=_________ Find c such that f'(c)=0 or, if Rolle's Theorem does not apply, enter DNE c=_________

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Calculus

12/06/20

Help with Applied Optimization

a box is constructed out of two different types of metal. the metal for the top and bottom, which are both square, costs $4 per square foot and the metal for the sides costs $7 per square foot.... more

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Statistics

12/06/20

Finding percentage from standard deviation and mean?

The scores on the Wechsler Adult Intelligence Scale are approximately Normal with mean 100 and standard deviation 15. The score needed to be among the highest 10% of all scores is closest to? Steps... more

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Statistics

12/06/20

Need Statistics question help

A random number generator picks a number from one to thirteen in a uniform manner. Find the following. *note, you will need the f(x) equation to solve c and d*a) Mean:b) Standart deviation, round... more

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Math Calculus Precalculus

12/06/20

Circles and lines Pre Calculus

CIRCLES AND LINES PRE CALCULUSI need help answering these two questions for a final exam. Please help 1.) Let A(1,3) and B(4,−2). Find all points P on the y-axis such that AP⊥BP (that is... more

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Answers •2

Precalculus

12/06/20

precal question

Find and prove an inequality relating 100n and n3.Since 100n and n3 for n = 1, 2, 3, . . . 9, 10, 11 are 110, 200, 300, . . . 900, 1000, 1100 and 1, 8, 37, . . . 729, 1000, 1331 respectively, our... more

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Precalculus

12/06/20

Find sin x /2 , cos x /2 , and tan x /2 from the given information. cos(x) = − 24 25 , 180° < x < 270°

Find sin(x/2), cos(x/2), and tan (x/2) from the given information.cos(x)=-24/25, 180°<x<270°

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Discrete Math Discrete Mathematics

12/05/20

Check which of these integers are multiplicative inverses of 5 mod 59: 12, 46 and 71?

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Discrete Math Discrete Mathematics

12/05/20

Find 123^1001 mod 101 using the Modular Exponentiation algorithm?

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Statistics

12/05/20

My final exam. Please help

You you want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately P equals 0.31. You would like to be 96%... more

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Answers •1

Power Reducing Formula

Solve this complex integral using the Cauchy integral formula

Combinations and Permutations

How do you solve this? I know that you have to use the Surface area equation but I got lost while doing the work. Please help :(

Derrivative rules

Area enclosed by parabola

How do I state the distribution to use for this test?

When converted to radian measure, -450⁰ can be represented by Aπ.

A triangle has angle measurements of 42°, 66°, and 72°. What kind of triangle is it?

Find (f^-1)'(0)

Finding a series

Determine if the Mean Value Theorem for Integrals applies to the function f of x equals the square root of x minus 1 on the interval [1, 5]. If so, find the x-coordinates of the point(s) guaranteed...

Asking to simplify

If I am trying to create a barplot with errors, what am I doing wrong in this code that is producing an error?

precal question

Let f(x)=x−x^1/4 on [0,1].

Help with Applied Optimization

Finding percentage from standard deviation and mean?

Need Statistics question help

Circles and lines Pre Calculus

precal question

Find sin x /2 , cos x /2 , and tan x /2 from the given information. cos(x) = − 24 25 , 180° < x < 270°

Check which of these integers are multiplicative inverses of 5 mod 59: 12, 46 and 71?

Find 123^1001 mod 101 using the Modular Exponentiation algorithm?

My final exam. Please help

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