Solve the problem.Helen Weller invested $10,000 in an account that pays 11% simple interest. How much additional money must be invested in an account that pays 14% simple interest so that the total interest is equal to the interest on the two investments at the rate of 12%?
A. $10,000
B. $6000
C. $5000
D. $7000
Answer: C
Mathematics
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Use scientific notation to solve the problem.A company produced 925,000 small appliances in one year and made a profit of $8,620,000. What was the profit on each appliance?
A. $9.32 x 102 B. $9.32 C. $1.07 D. $1.07 x 10-1
Mathematics
Factor by grouping.3x2 - 9xy + 5xy - 15y2
A. (3x - 5y)(x - 3y) B. (3x + 5y)(x + 3y) C. (3x2 + 5y)(1 - 3y) D. (3x + 5y)(x - 3y)
Mathematics
Find the area bounded by the given curves.x = 0, x = 1, y = x2 + 6, y = x2 + 2
A. 8 B. 12 C. 4 D. 16
Mathematics
Rewrite the original fraction as an equivalent fraction with the given denominator.
= 
A. 
B. 
C. 
D. 
Mathematics