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Leona [35]
2 years ago
8

Please help, i’ll give brainliest!!!

Mathematics
1 answer:
mr Goodwill [35]2 years ago
3 0
I’m pretty sure its b
Don’t give me brain- whatever it is it’s most likely wrong
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Write a polynomial equation of degree 3 such that two of its roots are 2 and an imaginary number.
vagabundo [1.1K]
X^3 - i(x)^2 - 4x + 4i ....
5 0
3 years ago
Can somebody help me please
Strike441 [17]

Answer:

35m

Explanation:

Perimeter is the sum of all the sides of a shape, or a+b+c=P.

12m+8m+15m = 35m

7 0
2 years ago
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A bag contains 5 black marbles, 9 white marbles, and 2 red marbles. One marble is to be chosen at random. What is the probabilit
Ugo [173]
5 + 9 + 2 = 16 
We choose one of sixteen, =>
A. 1/16
5 0
3 years ago
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Pre cal/cal master needed
weqwewe [10]
Take x-2 and insert it into 2x^2 + 3x-2 where the x is located 
2x^2 + 3x-2
2(x-2)^2 + 3(x-2)-2

Now work out 2(x-2)^2 + 3(x-2)-2 also follow PEMDAS
2(x-2)^2 + 3(x-2)-2 
Since (x-2)^2 is an Exponent, lets work with that first and expand (x-2)^2.
(x-2)^2
(x -2)(x-2)
x^2 -4x + 4
Now Multiply that by 2 because we have that in 2(x-2)^2
(x-2)^2  =  x^2 -4x + 4
2(x-2)^2  =  2(x^2 -4x + 4)
2(x^2 -4x + 4) = 2x^2 - 8x + 8
2x^2 - 8x + 8

Now that 2(x-2)^2 is done lets move on to 3(x-2).

Use the distributive property and distribute the 3
3(x-2) = 3x - 6

All that is left is the -2 

Now lets put it all together 
2(x-2)^2 + 3(x-2)-2

2x^2 - 8x + 8 + 3x - 6 - 2

Now combine all our like terms 
2x^2 - 8x + 8 + 3x - 6 - 2
Combine:  2x^2      =  2x^2 
Combine: -8x + 3x  =  -5x
Combine:  8 - 6 - 2 =   0

So all we have left is
2x^2 - 5x





5 0
3 years ago
A high speed elevator can rise 480 feet in 30 seconds. which expression represents the rate, in feet per minute, of the elevator
AleksAgata [21]

R = 960x ft/min

Explaination : 960 is the rate at which the elevator will rise in a minute, while the 'x' represents the amount of minutes passed. Finally the label in the end clarify the units of measure.


4 0
3 years ago
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