A meteorologist reports that the temperature today will be colder than −1° Fahrenheit. The inequality is t < −1. The variable
2 answers:
Answer:
Step-by-step explanation:
Given: The inequality is where t represents the temperature. A number line going from
to
.
To find: Solutions of the inequality
Solution:
A number line is a line on which numbers are marked at equal intervals, used to show simple arithmetic operations.
An inequality is a mathematical relationship that compares two values to show less than or equal to, less than, not equal to, greater than, greater than or equal to.
In the given question solution of the inequality is
as a number line is going from
to
.
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If Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Then the mean of the sample is 3.75.
<h3>What is Mean?</h3>The average of a group of numbers is simply defined as the mean. In statistics, the mean is regarded as one of the indicators of central tendency.
Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week.
Fourteen people answered that they generally sell two cars; nineteen generally sell three cars; twelve generally sell four cars; nine generally sell five cars; eleven generally sell six cars.
Then the mean of the sample will be
Then the table is given below.
Then we have
More about the mean link is given below.
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Answer:
Step-by-step explanation:
First, multiply by 2 to get rid of the 2 in the denominator. Remember that if you make any changes you have to make sure the equation keeps balanced, so do it on both sides as following;
Divide by m to isolate .
To eliminate the square and isolate v, extract the square root.
let's rewrite it in a way that v is in the left side.