Use the formula B = P + Prt, which is used to calculate the balance in an account if simple interest is added to a principal P at an interest rate of r for t years.Suppose that an account earns 5.3% interest and after two years the balance is $7,178.00. Find the principal that was invested.
A. $8,029.08
B. $5,841.05
C. $7,788.06
D. $6,490.05
Answer: D
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Provide an appropriate response.What is the sum of the exponents of x and y in each term of the expansion of a binomial?
What will be an ideal response?
Perform the indicated operation where possible.
+ 
A. 
B. 
C. 
D. 
Solve the problem.In 1985, in the town of Appleby, 22.1% of Hispanics were overweight, increasing by an average of 0.44% per year. In 1985, in the town of Appleby, 0.18% of whites were overweight, increasing by an average of 30.1% per year. If these trends continue, in which year will the percentage of Hispanics who are overweight be the same as the percentage of whites who are overweight? Round to the nearest year. What percentage of Hispanics (to the nearest whole percent) will be overweight at that time?
A. 1986; 22% B. 1984; 22% C. 1988; 23% D. 1982; 21%
Use dimensional analysis to convert the quantity to the indicated units. If necessary, round the answer to two decimal places.40 in. to ft
A. 480 ft B. 6.67 ft C. 3.33 ft D. 13.33 ft