10/06/19

find the derivative of the function using chain rule
a) y = eaxcos(bx)b) f(x) = ((1+ax)/(1+ebx))10c) g(x) = √esin(x) + (x + cos4(2x))3
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10/06/19

The revenue function for a sporting goods company is given by R(x)=x⋅p(x) dollars where x is the number of units sold and p(x)=700−0.5x is the unit price. Find the maximum revenue.
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10/06/19

Logic/Discrete Mathematics

Suppose one wishes to prove that "if all X are Y, then all Z are W". To do this, it would suffice to show that All Z are X, and all Y are W. All X are Z, and all W are Y. All Y are Z, and all W are... more
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10/06/19

Discrete Mathematics - Logic
Could anyone explain what is the correct answer and why are the others are incorrect?Let P(x) be a property about some object x of type X. If we want to disprove the claim that "P(x) is true for... more
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10/06/19

Find the length of the base, x, if the height is x + 1 and the area is 15 m2?
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10/06/19

Find the number of possible pairs of positive integers (m,n) such that m3+11^3=n3
Find the number of possible pairs of positive integers (m,n) such that m3+11^3=n3
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10/06/19

Statstics hrwww bank failure question
The data show the number of bank failures over a 15-year period. Find the mean, median, midrange, and mode for the data.14 24 51 92 157 148 30 30 0 4 3 11 4 7
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10/06/19

Statstics hrw help!!!
A local football team has 30 players; the weight of each player is shown. Construct a stem and leaf plot for the data. Use stems 20 _ , 21_, 22_, etc.213 202 232 206 219246 248 239 215 221223 220... more
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10/06/19

Determine Truth Value

Determine the truth value If A is true B is true C is true ( A ∨ C) ⊃ B
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10/05/19

Given: Angle 1 is supplementary to angle 2. Angle 3 is supplementary to angle 4. Prove: anlge 2 is congruent to angle 4. Angle 1 is congruent to angle 3
is I can' t figure out how to write it out
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C++

10/05/19

How to use the PI constant in C++?
I want to use the PI constant and trigonometric functions in some C++ program. I get the trigonometric functions with `include <math.h>`. However, there doesn't seem to be a definition for PI... more
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C++

10/05/19

Difference between private, public, and protected inheritance?
What is the difference between `public`, `private`, and `protected` inheritance in C++? All of the questions I've found on SO deal with specific cases.
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C++

10/05/19

How do I tokenize a string in C++?
Java has a convenient split method: String str = "The quick brown fox"; String[] results = str.split(" "); Is there an easy way to do this in C++?
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10/05/19

Is this the answer?
Fifteen of the 50 digital video recorders​ (DVRs) in an inventory are known to be defective. What is the probability that a randomly selected item is​ defective?Is the answer 15/50?
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10/05/19

Please Help I have no idea.

When two basketball players are about to have a​ free-throw competition, they often draw names out of a hat to randomly select the order in which they shoot. What is the probability that they shoot... more
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10/05/19

I have no idea please help
A corporation must appoint a​ president, chief executive officer​ (CEO), chief operating officer​ (COO), and chief financial officer​ (CFO). It must also appoint a planning committee with three... more
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10/05/19

Probability , please help
Let X have a uniform distribution on the interval (6, 15). Find the probability that the sum of 2 independent observations of X is greater than 28.
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10/04/19

English to Logic conversion
P(x) : x purrsM(x) : x meowsS(x) : x scratches the furnitureAll cats that scratch the furniture do not purr.Im having trouble deciding if the answer is∀x (S(x) /\ ¬P(x))or∀x (S(x) --> ¬P(x))Thanks! more
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10/04/19

solve the following word problem

Shannon is building a deck around her square swimming pool. Let d = the width of the deck22. Given the diagram to the right, write a polynomial that represents the total area of the deck and pool.... more
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10/04/19

COMPLETELY FACTOR THE FOLLOWING EXPRESSIONS

15x^2 - 16x- 15 9gh + 49 - 9h^2 - 9gh 6k^2 + 5k-21 y^3 - 2y^2 + 6y - 12
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10/04/19

COMPLETELY FACTOR THE FOLLOWING EXPRESSIONS
12v^2 - 36vw - 48w^2 x^2 + 14x + 45 9t^2 + 42t + 49 3a^2 + 8ab - 3b^2 36m^2 - 132mn + 121n^2 4t^3 - 64t^2 - 128t
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C++

10/04/19

How to avoid "if" chains?
Assuming I have this pseudo-code: bool conditionA = executeStepA(); if (conditionA){ bool conditionB = executeStepB(); if (conditionB){ bool conditionC = executeStepC(); if... more
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10/04/19

DESCRIBE AND CORRECT THE ERROR.
(3y + 2)^2 = (3y)^2 + (2)^2=9y^2 + 4
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10/04/19

SIMPLIFY EACH OF THE FOLLOWING EXPRESSIONS.
(4t^2 - 7t + 2)(4t^2 + 7t - 4) (4-3y)(4+3y) (2m - 4)(4m^2 + 8m + 16) (3r - 2)(4r -3) (w-6)^2
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10/04/19

Logic Truth Table

A truth table for the statement(p ∨ q) ⊃ r
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