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3 years ago

What is the term for the era created by the digital revolution?

Computers and Technology

1 answer:

ollegr [7]3 years ago

8 0

We are in the modern era and the information era

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A software engineer is designing a new program. She decides to first define all the classes needed, and how they will interact w

Hitman42 [59]

It is A I And II only

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3 years ago

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Write a program that prompts the user for their quarterly water bill for the last four quarters. The program should find and out

Fed [463]

Answer:

total = 0

for i in range(4):

bill = float(input("Enter bill for quarter " + str(i+1) + ": "))

total += bill

average = total / (4 * 3)

if average > 75:

print("Average monthly bill is $" + str(average) + ". Too much water is being used")

if 25 <= average < 75:

print("Average monthly bill is $" + str(average) + ". A typical amount of water is being used")

if average < 25:

print("Average monthly bill is $" + str(average) + ". Thank you for conserving water")

Explanation:

*The code is in Python.

Create a for loop that asks the user to enter the bill for 4 quarters and calculate the total of the bills

Calculate the average monthly bill, divide the total by 12

Check the average for the given conditions. Depending on its value print the required message along with the average monthly bill

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3 years ago

Find the inverse function of f(x)= 1+squareroot of 1+2x

Svetllana [295]

Answer:

Therefore the inverse function of $f(x)=1+\sqrt{1+2x}$ is $\frac{x^2-2x}{2}$

Explanation:

We need to find the inverse of function $f(x)=1+\sqrt{1+2x}$

Function Inverse definition :

$\mathrm{If\:a\:function\:f\left(x\right)\:is\:mapping\:x\:to\:y,\:then\:the\:inverse\:functionof\:f\left(x\right)\:maps\:y\:back\:to\:x.}$

$y=1+\sqrt{1+2x}$ $\mathrm{Interchange\:the\:variables}\:x\:\mathrm{and}\:y$

$x=1+\sqrt{1+2y}$

$\mathrm{Solve}\:x=1+\sqrt{1+2y}\:\mathrm{for}\:y$

$\mathrm{Subtract\:}1\mathrm{\:from\:both\:sides}$

$1+\sqrt{1+2y}-1=x-1$

Simplify

$\sqrt{1+2y}=x-1$

$\mathrm{Square\:both\:sides}$

$\left(\sqrt{1+2y}\right)^2=\left(x-1\right)^2$

$\mathrm{Expand\:}\left(\sqrt{1+2y}\right)^2:\quad 1+2y$

$\mathrm{Expand\:}\left(x-1\right)^2:\quad x^2-2x+1$

$1+2y=x^2-2x+1$

$\mathrm{Subtract\:}1\mathrm{\:from\:both\:sides}$

$1+2y-1=x^2-2x+1-1$

$\mathrm{Simplify}$

$2y=x^2-2x$

$\mathrm{Divide\:both\:sides\:by\:}2$

$\frac{2y}{2}=\frac{x^2}{2}-\frac{2x}{2}$

$\mathrm{Simplify}$

$y=\frac{x^2-2x}{2}$

Therefore the inverse function of $f(x)=1+\sqrt{1+2x}$ is $\frac{x^2-2x}{2}$

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3 years ago

Look at the following Python code:

aliya0001 [1]

Ump will be assigned to word2

word1[0:3] gets all of the letters from index 0 to index 3 exclusive (that means index 3 is not included)

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3 years ago

The type of software used widely in businesses to complete specific tasks is _____. application software programming language sy

max2010maxim [7]

It is eather pythone or html

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3 years ago

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