05/12/20

what is the z score?
the number of hits a particular website receives in a day is normally distributed with a mean of 6250 hits and a standard deviation of 480 hits. what is the Z score for a day in which the website... more
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05/12/20

what is katie's mark if she scored above the mean?
a teacher is analyzing the results for a test, the marks are normally distributed with a mean of 77.4 and a standard deviation of 4.2. determine katie's mark if she scores 2.5 standard deviations... more
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05/12/20

Logics, Sets, Karnuagh Maps, Boolean Logic Customer Reviews
Let the universal set U be the following set of 16 countries:  U = {Angola, Benin, Chad, Djibouti, Eritrea, Ghana, Kenya, Libya, Mali,           Namibia, Rwanda, Sudan, Tanzania, Uganda,... more
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05/12/20

function find p(x)
The polynomial of degree 4, P(x) has a root of multiplicity 2 at x=1 and roots of multiplicity 1 at x=0 and x=−4. It goes through the point (5,360).Find a formula for P(x).P(x)=
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05/12/20

practice using dynamic memory allocation, c-string functions,
Read a dictionary word file into an array of c-strings. You will need to dynamically allocate memory for each word in the dictionary. The word file contains 23,907 words.Sort the dictionary.Reading... more
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05/12/20

Geometric Sequence
For a given geometric sequence, the 8th term, a8, is equal to 29/25, and the 11th term, a11, is equal to -145. Find the value of the 13th term, a13. If applicable, please write the answer as a... more
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05/12/20

Mathematical Logic Problems
1.Let A and B be sets in a universe U. Prove that the following equality holds:(A∪B)−(A∩B) = (A−B)∪(B−A)2.Let a1, a2, ··· be a sequence of real numbers.We say lim n→∞ an = 11 if for all ∈ > 0,... more
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05/12/20

Paul has 440 yards of fencing to enclose a rectangular area. Find the dimensions of the rectangular that maximize the enclosed area. What is the maximum area?
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05/11/20

Two points on the graph of the linear function f are (0,3) and (3,9). Write a function g whose graph is a reflection in the x-axis of the graph of f.
Two points on the graph of the linear function f are (0,3) and (3,9). Write a function g whose graph is a reflection in the x-axis of the graph of f.
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05/11/20

A passenger jet can fly 804 miles in 2 hours with a tailwind but only 776 miles in 2 hours into a headwind. Find the speed of the jet in still air and the speed of the wind.
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05/11/20

The position of an object at time t is given by s(t) = -8 - 9t. Find the instantaneous velocity at t = 1 by finding the derivative.

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05/11/20

The base of a rectangle is for more than the height. The area of the rectangular is 15 square inches. What are the dimensions of the rectangle.
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05/11/20

separate the number 20 into two parts so that the second part is six less than the first
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05/11/20

what's the integral of dx/(x-2)(x-2+sqrt(x-2))?

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05/10/20

P(x)=x^3-4x^2+3x+c
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05/10/20

I need help with math question

Michael has $15.00 to spend on chocolates. The price of each type of chocolate is given below:Fudge Centres: $0.60 Nut Clusters: $0.75 Truffles: $0.80 2. Michael decides to buy all three types... more
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05/10/20

The sum of a number increased by six and the number decreased by eleven.
Translate into an algebraic expression:Use x for your variableThe sum of a number increased by six and the number decreased by eleven.
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05/10/20

The product of eleven more than a number and eight more than the number.
Translate the following verbal statement into an algebraic expression:Use x for your variable.The product of eleven more than a number and eight more than the number.
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05/10/20

Phyllis invested 11,500 a portion earning a simple interest rate of, 6.25% per year and the rest earning a rate of 6% per y
Phyllis invested 11,500 a portion earning a simple interest rate of, 6.25% per year and the rest earning a rate of 6% per year. After one year the total interest earned on these... more
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05/10/20

Given cotA= 4/3 , tan B= - 7/24; π <A<3π/2 and π/2<B< π find sin(A-B)
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05/10/20

Linda and Juan went shopping. Linda spent $19 less than Juan. If we let x represent how much Juan spent, write an algebraic expression for how much Linda spent.
Linda and Juan went shopping. Linda spent $19 less than Juan.If we let x represent how much Juan spent, write an algebraic expression for how much Linda spent.
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05/10/20

Given the demand function D ( p ) = √ 225 − 2 p , Find the Elasticity of Demand at a price of $65
Can you explain how to solve this
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05/09/20

How do you do Common Core multiplication?
You break down the numbers in the problem to smaller numbers49 x 59 =40 x 50 = 200040 x 9 = 36050 x 9 = 4509 x 9 = 81Total 2891
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05/09/20

Integration help
How do you integrate (x^4+81)/(x(x^2+9)^2)
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05/09/20

In a distribution where the mean is 80 and the standard deviation is 5, find the largest fraction of the numbers that could meet the following requirements. Less than 70 or more than 90.
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