What is the value of x in the equation
1 answer:
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The time taken by Jill and Cheryl to double their money is 12 years and 18 years respectively.
<h3>What is Algebra?</h3>Algebra is the study of mathematical symbols and the rule involves manipulating these mathematical symbols.
Jill invested $500 in an account with a compound interest rate of 6%.
Cheryl invests $600 in an account with a compound interest rate of 4%.
The number of years each doubles their money. Using the relation of 72.
where r is the interest rate and t be the time
The time for the Jill will be
The time for the Cheryl will be
More about the Algebra link is given below.
Answer:
(b) For each hour that Michelle drove, she traveled an additional 50 miles.
Step-by-step explanation:
Given
---- start
--- end
Required
Which is true
(a): Journey = 6 hours
This is false, because:
---- 7 hours
(b): The average rate is 50 miles per hour
To do this, we calculate the slope (m) using:
This means that the rate is 50 miles driven in 1 hour.
<em>(b) is correct</em>
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<em>Others are incorrect</em>