Solve the equation for x. Round to the nearest thousandth.
1 point
1
Question 2
2.
Solve the equation for x. Round to the nearest thousandth.
1 point
1
Question 3
3.
Solve the equation for x. Round to the nearest thousandth.
1 point
1
Question 4
4.
Solve the equation for x. Round to the nearest thousandth.
1 point
1
Question 5
5.
You deposit $1000 into an account that pays 3.2% interest, compounded continuously. How long will it take for the money to triple? Round to the nearest year.
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Question 6
6.
If $800 is invested in an account for 15 years, would it earn more interest at 5.75% compounded monthly, or 5.25% compounded daily?
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Question 7
7.
A deposit of $2,000 is made in a savings account for which the interest is compounded continuously. the balance will triple in 28 years. What is the annula interest rate on this account? Round to the nearest tenth of a percent.
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Question 8
8.
Carbon-14 has a half-life of 5730 years. If a skull tested and found to have 60% of its original Carbon-14, how old is it? Round to the nearest year.
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1
Question 9
9.
The population P (in thousands) of Kenosha County, WI is given by
In 1980, the population was 185,000. Predict the population in the year 2030.
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Question 10
10.
Find the magnitude of an earthquake with an intensity of 3,880,500 units of seismic energy. Round to the nearest tenth.
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1
Question 11
11.
Find the intensity of an earthquake with a magnitude of 6.8 on the Richter scale.