A sample contains 300 grams of carbon-11, which has a half-life of 20 minutes.
1 answer:
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The width of the rectangle would be 6 times the first rectangle and the length would be 8 times the first rectangle.
<u>Explanation:</u>
Given:
Two rectangles are proportional.
Length and width of 1 rectangle = 6 : 8
Dimensions of the other rectangle = ?
Let length and width of the other rectangle be x : y
According to the question:
So, the width of the rectangle would be 6 times the first rectangle and the length would be 8 times the first rectangle.
Answer: The credit card will paid off within 10 years, therefore the correct option is D.
Explanation:
Let the number of years in which the credit card will aid of be x.
It is given that amount owed on credit card is $1000 with interest rate 27.99%.
So the amount of interest is calculated as,
The total amount have to pay is,
The minimum payment is $20 each month.
So, the credit card will paid of in 63.995 months. We know that 1 year =12 months.
Therefore, the will paid of in 5.33 years, s we can say that the credit card will paid off within 10 years, therefore the correct option is D.