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Hatshy [7]
3 years ago
5

Write (3 − 7i) − (-11 + 5i) as a complex number in standard form.

Mathematics
1 answer:
Arturiano [62]3 years ago
7 0
The answer would be A) 14 - 12i

Simplify ( 3 - 7i + 11 - 5i )

Gather like terms ( 3 + 11 ) + ( -7i - 5i )

Simplify ( 14 - 12i ).
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How much would $120 invested at 86% interest compounded monthly to be worth after 21 years round to the nearest cent
8_murik_8 [283]
The formula is
A=p (1+r/k)^kt
A future value?
P present value 120
R interest rate 0.86
K compounded monthly 12
T time 21 year
A=120×(1+0.86÷12)^(12×21)
A=4,510,568,953.1372
8 0
4 years ago
Find the probability of having 2, 3, or 4
denis-greek [22]

Answer:

16% for 2 successes, 6.4% for 3 successes, 2.6% for 4 successes, and 1% for 5 successes

Step-by-step explanation:

Since the success rate of a binomial experiment is 40%, converted to 0.4, you get the equation of f(x) = (0.4)^x, for where x is the amount of successful experiments

For the success of 2 experiments:

f(2) = (0.4)^2

     =0.16 => 16%

For the success of 3 experiments:

f(3) = (0.4)^3

     = 0.064 => 6.4%

For the success of 4 experiments:

f(4) = (0.4)^4

     = 0.0256 => 2.56% => ~2.6

For the success of 5 experiments:

f(5) = (0.4)^5

     = 0.01024 => 1.024% => ~1%

Your welcome and comment if you have any questions :)

3 0
3 years ago
The area of a rectangular city park is 25/54 square miles. The length of the park is 5/9 mile. What is the width, in miles, of t
Natali5045456 [20]
Area of rectangle = 24/54 square miles
length(L) = 5/9 miles
width (W)= ?
area = L * W
25/54 = 5/9 * W
W =  (25/54) / (5/9) = (25 * 9) / (54 * 5)
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5 0
3 years ago
I really need hel, please help​
MariettaO [177]

Answer:

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2. x=6

3. x=8

4. x=2

5 0
3 years ago
Read 2 more answers
What is the solution to this rational equation? 24/x-8=4
Annette [7]

Answer:

<h2>X = 14 </h2>

24/x-8 = 4

Multiplying both the sides with x-8

24 = (x-8)*4

24 = 4x - 32

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56 = 4x

56/4 = X

14= X

4 0
2 years ago
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