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SashulF [63]
3 years ago
9

I need help solving |5+2j|=9 please

Mathematics
1 answer:
V125BC [204]3 years ago
3 0

5 + 2j = 9 \\ j = 2
5 + 2j =  - 9 \\ j =  - 7
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Calculate the distance between the points P=(-1, -1) and L=(6, -9) in the coordinate plane.
Over [174]

Answer:

≈ 10.63

Step-by-step explanation:

Calculate the distance d using the distance formula

d = \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2    }

with (x₁, y₁ ) = P(- 1, - 1) and (x₂, y₂ ) = L(6, - 9)

d = \sqrt{(6-(-1))^2+(-9-(-1))^2}

   = \sqrt{(6+1)^2+(-9+1)^2}

   = \sqrt{7^2+(-8)^2}

   = \sqrt{49+64}

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6 0
2 years ago
Which of the following is a polynomial A.x^2+2 B.(x^8-2)/(x^-2+3) C. 7x^7-2x^-4+3 D.x^x-1
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<span> A. x²+2   - a  polynomial
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6 0
3 years ago
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8 0
2 years ago
Orlando invested $16,000 in an eight-year CD bearing 6.5% simple annual interest, but needed to withdraw $3,500 after five years
baherus [9]

Answer:

Therefore, the correct option is OPTION C.

Step-by-step explanation:

If Orlando had not made his early withdrawal, the amount of money he would have earned is:

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Given that he withdraw $3500, he now earns:

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Penalty= $3500(0.065)(1) = $227.5

So the total money he earns now is: $7637.5 - $227.5 = $7410

Then, the amunt of money he could have earn but he didn't is:

Money = $8.320 - $7410 = $910

Therefore, the correct option is OPTION C.

6 0
3 years ago
Read 2 more answers
Please help!!! Please!!!!<br>​
ira [324]

Answer:

Theres a 90 degree angle

90 - 25 = 65 divided by 5 = 13

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