Find the product. Write the answer in standard form.(4 - 3i)(4 + 5i)
A. 31 - 8i
B. -15i2 + 8i - 16
C. 1 - 32i
D. 31 + 8i
Answer: D
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Find y '.y = (3x - 4)(4x3 - x2 + 1)
A. 12x3 + 19x2 - 57x + 3 B. 36x3 + 57x2 - 19x + 3 C. 48x3 - 57x2 + 8x + 3 D. 48x3 - 19x2 + 57x + 3
Simplify the expression.5m2 + 4m2
A. 10m2 B. 9m2 C. 10m4 D. 9m4
Use front-end rounding to round each number. Then, multiply the rounded numbers to get an estimated answer. Finally, find the exact answer.estimateexact
?
A. Estimate: 20; exact: 19.61 B. Estimate: 199; exact: 195.1 C. Estimate: 200; exact: 196.1 D. Estimate: 201; exact: 197.1
Solve.Aviva has a total of 61 coins in a jar, all of which are either dimes or nickels. The total value of the coins is $4.60. If n represents the number of nickels Aviva has, solve the following equation to find the number of nickels in the jar.
A. 30 nickels B. 35 nickels C. 31 nickels D. 32 nickels