Simplify the expression (sqrt 2/2 +i) - (sqrt 3/2 -i)
and write the result in the form a + bi.
2 answers:
Answer:
a sqrt(2) - sqrt(3)
----------------------- + 2i
2
Step-by-step explanation:
(sqrt 2/2 +i) - (sqrt 3/2 -i)
Add the real terms
sqrt(2) / 2 - sqrt(3) /2
sqrt(2) - sqrt(3)
-----------------------
2
Now add the imaginary terms
i - -i
i+i
2i
Put them back together
sqrt(2) - sqrt(3)
----------------------- + 2i
2
Answer:
A)
Step-by-step explanation:
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Answer:
Step-by-step explanation:
6) a) Cost = 12.40 x 0.6 = $7.44
b) Cost = 12.40 x 0.05 = $0.62
Answer:
31 = 2⁵ -1
31 = 16²- 15²
Step-by-step explanation:
As we know that
2¹=2
2²= 4
2³= 8
2⁴= 16
2⁵=32
So
32 = 2⁵
By subtracting 1 in bot sides
32-1 = 2⁵ -1
31 = 2⁵ -1
So
2⁵ -1 = 31
By comparing with
p= 5
As we know that
15²= 225
16² = 256
16²- 15² = 256-225 = 31
16²- 15² = (16+15)(16-15)
31 = (16+15)(16-15)
The books are $5, and the magazines are $10. I’m not sure which way you want it explained but since magazines are twice the price of books, you can solve the equation 3b + 2b = 25. This gives you b=5 which you just multiply by 2 giving you the price of a magazine.
Answer:
k = 2
Step-by-step explanation:
10 = 2(5)
10 = 10
B is the answer how you do good
