Write the complex number in the form a + bi.6(cos 330° + i sin 330°)
A. -3
- 3i
B. -3
+ 3i
C. 3
- 3i
D. 3
+ 3i
Answer: C
Mathematics
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Find the amount or rate of discount and the sale price. Round money amounts to the nearest cent.Original price: $73.80 Rate of discount: 35%
A. $12.92, $60.88 B. $25.83, $47.97 C. $25.09, $48.71 D. $26.57, $47.23
Mathematics
Multiply.(6z + 11)2
A. 6z2 + 121 B. 36z2 + 132z + 121 C. 36z2 + 121 D. 6z2 + 132z + 121
Mathematics
Find the LCM.r2 + 10r + 25, r2 + 5r
A. (r + 5)2 B. r(r + 5)2 C. r(r + 1)(r + 5) D. r(r + 5)
Mathematics
Solve.Find the discount when the original price is $76.00 at a discount of 30%.
A. $53.20 B. $2.28 C. $73.72 D. $22.80
Mathematics