08/13/21

2 probabilities

The end result should only be 1 of 2 (green or blue).Scenario 1 : A+B has 55% probability of equalling green.Scenario 2 : C+D has 72% probability of equalling green.Question : can the 2 scenarios... more
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07/23/21

hw 5 question 5
Using the first derivative, find the interval(s) for which f(x) is increasing and decreasing.f(x) = 12 + 9x - 3x^2 - x
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07/01/21

Find the domain and range of f(x,y) = (xy + y²) / (x² + y²) over the real numbers, and find the limit as (x,y) --> (0,0) of f(x,y):
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06/25/21

Calculus HW Question
How would I find the Taylor Series of f(x) = 7/x^2 at a=1 and expand to 4 terms.
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06/25/21

I need help answering the 4 questions below.

Sociologists say that 90% of married women claim that their husband's mother is the biggest bone of contention in their marriages (sex and money are lower-rated areas of contention). Suppose... more
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06/25/21

A(6, -3), B(-2, 4);x-axis find vertices
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06/15/21

Find the area of the

K={(x,y)∈R/x^2+y^2<=1, o<=y<=x^2, x>=0}
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06/15/21

Calculate the double integral.
please help me
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06/14/21

introductory statistics
1. Fill out the table for the number of computers that statistics students have in their household this year. Divide by the total in order to find the relative frequencies. 4 Decimals Places... more
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06/01/21

For n ∈ N, when is f(n) = n⁴ - n³ + 3n² + 5 a perfect square?
Note that in this case N is the set of all natural numbers, that is the set {1, 2, 3, . . . }.
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06/01/21

Given the first term and the common ratio of a geometric sequence, write the formula and find the 6th term. A1=-4 and r=3
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06/01/21

What is the frequency of green light that has a wavelength of 531 nm? (c = 3.00 x 10⁸ m/s)
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05/31/21

Finding initial velocity without time

You are playing a game of angry birds. The bird is launched exactly horizontally and travels a total of 38.7 m before hitting the ground. The height at which the bird was launched is 11m. Find the... more
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05/31/21

If a≠b and a(x+b)=bx−c then x=
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05/30/21

Algebra Two Help

Use the equation Q=5x+3y and the following constraints:3y+6 ≥ 5xy ≤ 34x  ≥ 8a. Maximize and minimize the equation b. Suppose the equation Q=5x+3ywas changed to Q=-5x-3y, describe how the maximum... more
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05/24/21

Given that (x+y)! >= (x!)*(y!) is true for all x ∈ N and y ∈ N (integers >= 0), find all x and y such that the equality holds:
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05/13/21

Can you give examples of 2 series that satisfy the following conditions?
Prove that the ratio test is inconclusive when the lim as n->∞ of |a_{n+1} / a_n|=1.∞ of |1/(n+1)÷1/n| = the lim as n->∞ of |n/(n+1)| = 1.
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01/08/21

Partial derivatives

Need the answer to this question on partial derivatives.Find: dz/dx and dz/dy on the surface(-5x + z)^4 -7x^6 . y^3 + 6y . z^3 + 2y^4 . z = 9In terms of x, y and z
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12/26/20

What is the general form of the matrix exponential of a 2x2 non-diagonalizable matrix?
Include the following matrix and prove its n-th power formula, given here too, in your answer: ⌈ λ 1 ⌉ ⌈ λn n*λn-1 ⌉D = | | and Dn = | | , ... more
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12/24/20

solving each equation (find all of the zeros) for 3x2 -x3-22x2=24x=0
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12/23/20

What is missing to solve the problem
In the image provided, ⊙A has AD←→ drawn through the center and intersecting CB¯¯¯¯¯¯¯¯ at E.Which of the following is not provided in the image above but is necessary in order to prove... more
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12/23/20

=The statement used to prove angle B=angle C
In the figure provided, precise measurements are given for the length of each side of △ABC.If point D is on △ABC and AD¯¯¯¯¯¯¯¯ is constructed, determine the statement that could be used to prove... more
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12/20/20

The point P on the curve C has parameter p qne the point Q has coordinates (-π, 0). The origin is denoted by O. Given that p is increasing at a constant rate of 0.1 units per second,

find the rate of decrease of triangle OPQ when p=3π/4parametric equations:x = θcosθ, y=θsinθ, for 0<θ<π
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12/16/20

f(x)= x^5+2x^4+18x^3+36x^2-19x-38
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12/12/20

solving for a and b given a point where there is a relative minimum
find a and b so that the equation ax^2+bx hasa relative minimum at the point (-1,-7)
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