Answer:
B) 20 + 15i
Step-by-step explanation:
So first you need to foil the equation (a + bi)(c + di) = ac +adi +bic +bidi. then you need to combine like terms. Remember that i^2 = 1 and i = i.
Then write your final answer in the terms a + bi
40.8/8= just simply divide
40.8/8= 5.1
Now let's check
8*5.1= 40.8 so that's the correct answer!
Find 4% of 70
4% of 70 means
4/100 times 70 or
280/100 or
2.800
he would earn $2.80 comission
(√5 + 3)² / √20=
((√5 + 3)² / √20)(√20/√20)=
(√20(√5 + 3)²) / (√20)²=
√20(5+6√5+9) /20=
√20 (14+6√5) /20=
(14√20 +6√100) /20=
(14√20 +60) / 20=
(14(√4√5) + 60) /20=
(14(2)(√5)+60) / 20=
(28√5+60) /20=
(7√5+15) / 5
Answer:(√5 + 3)² / √20= <span>(7√5+15) / 5</span>
Answer:
yea sure
Step-by-step explanation: