What is the domain and range of this function?
{(1,3),(2,6),(3,9),(4,12)}

Answers

Answer 1

Answer:

Answer:

Domain: {1, 2, 3, 4}

Range: {3, 6, 9, 12}

Step-by-step explanation:

In a function the domain represents the values of 'x' and the range represents the values of 'y'. For any given set of points, they are in the form of (x, y). So the domain would be the 'x' value in each point and the range is the 'y' value for each point:

Domain: {1, 2, 3, 4}

Range: {3, 6, 9, 12}

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I need to know what is 140% of 15

Answers

Something percent of a number is itself*something/100

For instance, 50% of 10 is 10*50/100=10/2=5

Here, $15*(140)/(100)=21$

Final answer:

140% of 15 is calculated by converting the percentage to a decimal (1.4) and then multiplying it by 15, giving a result of 21.

Explanation:

To determine 140% of 15, the process involves converting the percentage to a decimal and multiplying it by the given number. In the first step, 140% is transformed into 1.4 by dividing it by 100. Next, 15 is multiplied by 1.4. Executing this multiplication yields a final result of 21. The calculation follows a two-step procedure: conversion to a decimal and multiplication. This method ensures accurate determination of the desired percentage. In this case, the outcome of 140% of 15 is precisely 21, showcasing the systematic approach used in the mathematical computation.

Learn more about Percentage calculation here:

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the nth term of a sequence is fine by the expression 5-3n write down the first two terms of this sequence

Answers

$a_1=5-3\cdot1=5-3=2\na_2=5-3\cdot2=5-6=-1\n$

6248 divided by 38
Quotient:
Remainder:

Answers

Quotient: 164
Remainder: 8/19

Write an expression which solves for the radius of an object having the circumference of 30 feet

Answers

$circumference=30ft.\n\ncircumference=2\pi r\ (r-radius)\n\n2\pi r=30\ \ \ \ /:2\pi\n\nr=(30)/(2\pi)\n\nr=(15)/(\pi)\ (ft)\n\n(15)/(\pi)\approx(15)/(3.14)\approx4.78\ (ft)$