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bazaltina [42]
2 years ago
10

PLS HELP ASAP THANKS ILL GIVE BRAINLKEST I NEED A DOUBLE CHECK THANKS

Mathematics
1 answer:
Marizza181 [45]2 years ago
8 0

Answer:

the last one

Step-by-step explanation:

cus i am smart

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Find all real solutions and show work: <br> 2x^3-3x^2+18x-27=0
Amiraneli [1.4K]

Given:

The given equation is

2x^3-3x^2+18x-27=0

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Solution:

We have,

2x^3-3x^2+18x-27=0

It can be written as

x^2(2x-3)+9(2x-3)=0

(2x-3)(x^2+9)=0

Using zero product property, we get

(2x-3)=0 and (x^2+9)=0

2x=3 and x^2=-9

x=\dfrac{3}{2} and x=\pm\sqrt{-9}

We know that x=\pm\sqrt{-9} is an imaginary number because there is a negative sign under the square root.

Therefore, x=\dfrac{3}{2} is the only real solution of the given equation.

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3 years ago
A taxi service charges $1.50 plus $0.60 per mile for a trip to the airport. The total charge is $13.50.
Readme [11.4K]

Answer:

13.50=1.50+.6x

Step-by-step explanation:

13.50=1.50+ .6x

12=.6x

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4 0
3 years ago
Do y’all understand this question cause I don’t plz help me
Troyanec [42]

Answer:

the answer is 15.

Step-by-step explanation:


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3 years ago
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What value of X makes the equation true?<br><br> 12x-15=16-3x
gogolik [260]
X= 2 1/15 or 31/15.
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Please help me if you don't mind work out the problem I'll give you brainly
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Answer:

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