Perform the operation and write the result in the standard form.(4 - 5i)(4 + 7i)
A. -35i2 + 8i - 16
B. 51 - 8i
C. -19 - 48i
D. 51 + 8i
Answer: D
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Provide an appropriate response.Determine the radian measure of angle ? if tan ? = 1.5043, rounding to the nearest ten-thousandth.
A. 33.6144 rad B. 56.3856 rad C. 0.9841 rad D. 1.0161 rad
A taxicab company charges $3 for a trip up to 1 mile, and $2 for every extra mile (or portion of a mile). Graph the ordered pairs (m, c), where m represents the miles traveled and c represents the cost. ?
A. ?
B. ?
C. ?
D. ?
Use Bayes' rule to find the indicated probability.Two stores sell a certain MP3 players. Store A has 34% of the sales, 5% of which are of defective items, and store B has 66% of the sales, 1% of which are of defective items. The difference in defective rates is due to different levels of pre-sale checking of the product. A person receives a defective item of this product as a gift. What is the probability it came from store B?
A. 0.275 B. 0.22 C. 0.5667 D. 0.7083
Solve the problem.The sales tax on a freezer is $33.25 and the sales tax rate is 5%. Find the purchase price (the price before taxes are added) and the total price paid. Round your answers to the nearest cent.
A. $66.50, $99.75 B. $554.17, $587.42 C. $665.00, $698.25 D. $831.25, $864.50