07/11/20

Trigonometry Help
Find all exact solutions on the interval 0 ≤ x < 2π. (Enter your answers as a comma-separated list.)csc2(x) − 8 = −4
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07/11/20

For what value of c is the function f(x) = when?
c x = -23 x = 1x^2-4/(x+2)(x-3) Otherwise continuous at x = -2?
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07/10/20

Linear Function

Daily sales of gasoline y at the gas and go are 500 gallons at a price of $2.50, but fall to 425 gallons at a price of $2.80. Let X the price of gasoline per gallon. write linear function that... more
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07/10/20

Linear Function

Daily sales of gasoline y at the gas and go are 500 gallons at a price of $2.50, but fall to 425 gallons at a price of $2.80. Let X the price of gasoline per gallon. write linear function that... more
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07/10/20

How can I estimate the probability of a random variable from one population being greater than all other random variables from unique populations?
Lets assume I have samples from 4 unique populations. Let's also assume I have a mean and standard deviation from each of these populations, they are normally distributed and completely independent... more
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07/10/20

Functions & Function Notation
Let the function f be defined by y = f(x),where x and f(x) are real numbers. Find f(3),f(−4),f(k), and f(k2 − 1).f(x) = −x2 − 3x + 1f(3)=f(−4)=f(k)=f(k2 − 1)= 
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07/09/20

Prove the statement. State the justification or theorems for each step in the proof.

Show that if P(A│B) = P(A│BC), then A and B are independent.
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07/09/20

Computational thinking

importance of computational thinking to computer science
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07/09/20

Find the intervals on which f is increasing and the intervals on which it is decreasing.
f(x)= 1-x + 3x^2
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07/08/20

An appliance store decreases the price of a 19 inch television said 28% to a sale price of $442.08 what was the original price of the television
An appliance store decreases the price of a 19 inch television set 28% to a sale price of $442.08 what was the original price of the television?
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07/07/20

Use De Moivre’s Theorem to find the indicated power of the complex number. Write your answer in standard form a + bi
(1−3i​)^5
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07/06/20

How do you know when you have factored completely? Give examples to support your response.

I could preferably use a simple example. But if you have an answer to the question that would be helpful also.
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07/06/20

Statistics and Probability
Assume the random variable X is normally distributed with a mean = 50 and standard deviation = 7. Find the 96th percentile.
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07/05/20

The numbers listed represent the amount of precipitation​ (in inches) last year in six different U.S. cities. Find the standard deviation. Round to two decimal places. 12.2 11.1 46.2 33.9 24.4 10.6
The numbers listed represent the amount of precipitation​ (in inches) last year in six different U.S. cities. Find the standard deviation. Round to two decimal places. 12.2 11.1 46.2 33.9 24.4 10.6
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07/05/20

The numbers listed represent the amount of precipitation​ (in inches) last year in six different U.S. cities. Find the standard deviation. Round to two decimal places. 12.2 11.1 46.2 33.9 24.4 10.6
The numbers listed represent the amount of precipitation​ (in inches) last year in six different U.S. cities. Find the standard deviation. Round to two decimal places. 12.2 11.1 46.2 33.9 24.4 10.6
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07/05/20

The numbers listed represent the amount of precipitation​ (in inches) last year in six different U.S. cities. Find the standard deviation. Round to two decimal places. 12.2, 11.1,46.2,33.9,24.4,10.6
The numbers listed represent the amount of precipitation​ (in inches) last year in six different U.S. cities. Find the standard deviation. Round to two decimal places. 12.2, 11.1,46.2,33.9,24.4,10.6
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07/05/20

Stats homework please help

Suppose X is exponentially distributed. X~Exp(k) The mean of X is μ=1k.If X~Exp(12) then find μ.
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07/05/20

Stats homework please help

Suppose X is exponentially distributed. X~Exp(k) The pdf associated for X is of the form f(x)=ke−kx.If X~Exp(3) then find f(x).
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07/05/20

Piecewise function
I don’t understand how to solve this?Given the piecewise function, 𝑓(𝑥), determine the following.𝑓(𝑥)={ [[x+1]]+2 For -4 < or equal to x <-2 {x^2-2 For -2 <... more
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C++

07/05/20

c++ program data structure
Design and implement a program to solve a problem below.You may use either array or linked list implementation:ZIMY Bank wants to record the queue of customers waiting for vacant teller.The bank... more
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07/04/20

Mathematics: Combinations and Counting

You are managing a staff of 20 engineers and 40 technicians. For an upcoming project, you must select 2 engineers and 5 technicians. How many different teams are possible?
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07/04/20

Mathematics: Combinations and Counting
You have 7 scrabble tiles A, B, C, D, E, F, G. Using these 7 tiles, how many different strings of 4 letters can you form?
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07/04/20

Mathematics: Combinations and Counting
How many different ways can someone answer a 5 question true/false test?
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07/04/20

Mathematics: Combinations and Counting

A high school graduating class has 400 members. The principal must select 3 of these students to attend the annual state student conference. How many ways can this be done?
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07/03/20

Describe the translation. y=(x−5)2+5 y → y=(x−0)2+0
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