Solve the problem.The resistance R produced by wiring resistors of R1 and R2 ohms in parallel can be calculated from the formula 
If R1 and R2 are measured to be 3 ohms and 4 ohms respectively and if these measurements are accurate to within 0.05 ohms, estimate the maximum percentage error in computing R.
A. 2.98%
B. 1.49%
C. 1.79%
D. 2.38%
Answer: B
Mathematics
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List all numbers for which the rational expression undefined.
A. -9, 4 B. -7, 7 C. -4, 9 D. -9
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Find the product. Assume all variable exponents represent whole numbers.(xy - 7)(x2y2 + 2xy + 6)
A. x3y3 + 2x2y2 + 6xy B. x3y3 + 9x2y2 + 20xy + 42 C. x3y3 - 5x2y2 - 8xy - 42 D. 7x3y3 - 14x2y2 - 42xy
Mathematics
Consider the following bar graph. How many barrels of oil per day were used by the United Kingdom?
A. 1.7 million barrels B. 5.2 million barrels C. 2 million barrels D. 0.17 million barrels E. 2.72 million barrels
Mathematics
Multiply: ? 50·8
Fill in the blank(s) with the appropriate word(s).
Mathematics