Simplify the following by combining like terms.3.8x3 - 6.5x + 11.4 + 1.9x - x3 - 8.1
A. 2.8x3 - 4.6x + 3.3
B. 1.5x4
C. 3.8x3 + 8.4x + 19.5
D. cannot be simplified
Answer: A
Mathematics
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Write the statement in symbolic form.Let p: The outside humidity is high. q: The basement dehumidifier is running. r: The basement is getting moldy.If the outside humidity is high, then the basement dehumidifier is running or the basement is not getting moldy.
A. p ? (q ? r) B. p ? (q ? ~ r) C. p ? (q ? ~ r) D. p ? (q ? ~ r)
Mathematics
Express the number in decimal notation.7 × 10-7
A. 0.0000007 B. -700,000 C. 0.00000007 D. 0.000007
Mathematics
Simplify.
A. 6a2
B. 24abc
C. 4ab
D. 9ab
Mathematics
Add or subtract.51.91 + 94.22 + 32.041
A. 178.171 B. 179.171 C. 178.271 D. 178.181
Mathematics