Tom K.

A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y=11−x2. What are the dimensions of such a rectangle with the greatest possible area?Width:Height:

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Algebra 1

03/11/21

how tall is the building? when did it hit the ground? what was the height at 2 seconds?

a brick is dropped off of a building. its path can be modeled by h(t)=-16^{2}+144, where h(t) is the height in feet after 't' seconds.

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Calculus Integral Calculus

03/11/21

2. Find the area of the region bounded by the curve y=x^3-2x^2-5x+6, the x-axis and the lines x=-1 and x=2

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Answers •2

Math Algebra 1 Algebra 2

03/10/21

solve for z. z^3 + 6√3 - 6i = 0

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Answers •1

Algebra 2 Trigonometry

03/10/21

Proving a a trigonometric identity

tanx+sinx=(1+cosx)/cotxHow can I prove that the left side is equivalent to the right side using trig identities?

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Answers •1

Math Calculus Ap Calculus

03/10/21

Which one of the following series is convergent?

Which one of the following series is convergent? A B C D

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Answers •1

Math Calculus Ap Calculus

03/10/21

Use the nth term test for divergence to determine which, if any, of the following infinite series diverge(s)

Use the nth term test for divergence to determine which, if any, of the following infinite series diverge(s) A All of them B I only C II only D II and III

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Answers •2

Calculus

03/10/21

calculus question help

Find the limit of the sequence of partial sums whose general term is . 10 0 1 Does not exist

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Test Preparation Geometry Statistics

03/10/21

Please help. I’ve already spent 10mins trying to answer this.

X is a normally distributed random variable with mean 61 and standard deviation 23. What is the probability that X is between 43 and 79?(A) 56.61%(B) 50.65%(C) 46.41%(D) 50.41%

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Test Preparation Geometry Statistics

03/10/21

This is an urgent question!

X is a normally distributed random variable with mean 60 and standard deviation 22. What is the probability that X is between 25 and 95? (A) 88.84%(B) 68.44% (C) 78.44%(D) 78.84% (E) All is... more

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Test Preparation Geometry Statistics

03/10/21

The probability a person is infected by certain cold virus is 0.2.

If a random sample of 12 people is taken, what is the probability that at least one person will be infected by the cold virus?(A) 0.2062(B) 0.9313(C) 0.2400(D) 0.0687

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Probability

03/10/21

Help pls this question is confusing, thank you

Three cards are dealt from a shuffled standard deck of playing cards.What is the probability that the three cards dealt are, in order, an ace, a face card, and an 8? (A face card is a jack, queen,... more

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Precalculus

03/06/21

The polynomial of degree 5, P(x) has leading coefficient 1, has roots of multiplicity 2 at x=1 and x=0, and a root of multiplicity 1 at x=−5

The polynomial of degree 5, p(x) has leading coefficient 1, has roots of multiplicity 2 at x=1 and x=0 , and a root of multiplicity 1 at x=-5 Find a possible formula for p(x)P(x)=

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Math Sat Math Probability

03/06/21

Simple permutation math urgent help requested.

Determine how the letters of the word ‘Equation’ can be arranged by placing the consonants in odd places?(I know the answer 2880, I need to know how to do this type of maths, please show step by step) more

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Discrete Math Logic

03/06/21

Let A = {−5, −4, −3, −2, −1, 0, 1, 2, 3} and define a relation R on A as follows: For all m, n ∈ A, m R n ⇔ 5|(m^2 − n^2). It is a fact that R is an equivalence relation on A.

Requirements:Use set-roster notation to list the distinct equivalence classes of R. Enter your answer as a comma-separated list of sets.

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Trigonometry

03/05/21

Solve for positives solution

Solve −sin(x)+5cos(x)=4 for the first 2 positive solutionsSolve sin(2x)cos(4x)−cos(2x)sin(4x)=−0.25 for the smallest positive solution.

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Math Geometry Trigonometry

03/05/21

under a dilation of the point M(15,6) is M'(5,2). Choose the general rule that describes the dilation mapping point M to point M'

A: (x,y)->(1/3x,1/3y)B: (x,y)->(1/3x,3y)C:(x,y)->(3x,1/3y)D:(x,y)->(3x,3y)

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Answers •2

Precalculus

03/05/21

Trigonometry - Precalculus

for positive acute angles A and B, it is known that tan A = 3/4 and sin B = 20/29. find the value of cos(A-B) in simplest form.

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Answers •1

Geometry

03/05/21

Use the properties of rectangles to solve the problem .Given:AB = 7 and BC = 24 Find:CD, AD, and AC (not shown)

Use the properties of rectangles to solve the problem. Rectangle ABCD is shown in the figure. Given:AB = 7 and BC = 24 Find:CD, AD, and AC (not shown)

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Answers •1

Precalculus

03/05/21

Find the sum of the given geometric series: 60 + 6 + 0.6 + 0.06 + 0.006

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Answers •3

Calculus Triangular Functions

03/05/21

Please help Im so confused!!!

Suppose that the monthly average precipitation at a particular location varies sinusoidally between a maximum of 6 inches in March and a minimum of 3 inches in September. Let t=1 correspond to... more

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Answers •2

Trigonometry

03/03/21

Find an equation in x and y whose graph contains the points on the curve C.

Find an equation in x and y whose graph contains the points on the curve C.x = 2 sin t, y = 5 cos t; 0 ≤ t ≤ 2𝜋

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Answers •1

In triangle RST, angle R =130 degrees and s=1/3 r Find the measures of angle S and angle T.

Identify the open intervals on which the function is increasing or decreasing. (Enter your answers using interval notation.)

math precalculus

A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y = 11 − x 2 . What are the dimensions of such a rectangle with the greatest possible area?

how tall is the building? when did it hit the ground? what was the height at 2 seconds?

2. Find the area of the region bounded by the curve y=x^3-2x^2-5x+6, the x-axis and the lines x=-1 and x=2

solve for z. z^3 + 6√3 - 6i = 0

Proving a a trigonometric identity

Which one of the following series is convergent?

Use the nth term test for divergence to determine which, if any, of the following infinite series diverge(s)

calculus question help

Please help. I’ve already spent 10mins trying to answer this.

This is an urgent question!

The probability a person is infected by certain cold virus is 0.2.

Help pls this question is confusing, thank you

The polynomial of degree 5, P(x) has leading coefficient 1, has roots of multiplicity 2 at x=1 and x=0, and a root of multiplicity 1 at x=−5

Simple permutation math urgent help requested.

Let A = {−5, −4, −3, −2, −1, 0, 1, 2, 3} and define a relation R on A as follows: For all m, n ∈ A, m R n ⇔ 5|(m^2 − n^2). It is a fact that R is an equivalence relation on A.

Solve for positives solution

under a dilation of the point M(15,6) is M'(5,2). Choose the general rule that describes the dilation mapping point M to point M'

Trigonometry - Precalculus

Use the properties of rectangles to solve the problem .Given:AB = 7 and BC = 24 Find:CD, AD, and AC (not shown)

Find the sum of the given geometric series: 60 + 6 + 0.6 + 0.06 + 0.006

Please help Im so confused!!!

Find an equation in x and y whose graph contains the points on the curve C.

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