Perform the indicated operation.(-7x3 - 7x2 + 7x - 7) + (-6x3 + 9x - 3)
A. -6x3 + 2x2 + 4x - 7
B. -13x3 + 16x - 10
C. -13x3 - 7x2 + 16x - 10
D. -13x3 + 2x2 - 3x - 7
Answer: C
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Perform the indicated operations. [(1.7x3 + 7.6x2 + 4.3) + (6.5x - 2.8)] - (3.5x2 -x - 9.9)
A. 1.7x3 + 4.1x2 + 7.5x + 11.4 B. 13.3x6 + 11.4 C. 1.7x3 + 4.1x2 + 6.5x + 11.4 D. 1.7x3 + 11.1x2 + 5.5x - 8.4
Divide.(-30) ÷ (-6)
A. -5 B. -6 C. 5 D. 6
A man invests a total of $21,000 in two accounts, one paying 5.5% simple interest per year and the other paying 8.5% simple interest per year. His annual interest from both accounts is $1,280 . How much did he invest at each rate?
What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
1. If a problem asks “in how many ways” the “Look for a Pattern” strategy may be appropriate. 2. The fourth term in the sequence 3, 5, 7, . . . must be 9. 3. If a large cube is made up of 64 smaller cubes, then it has 16 cubes showing on each face of the larger cube. 4. Patterns in data may be easier to see if we arrange the data in tables.