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bazaltina [42]
3 years ago
13

What does 1 + 1 equal?

Mathematics
2 answers:
Otrada [13]3 years ago
8 0

Answer:

What do you think?

igor_vitrenko [27]3 years ago
8 0

Answer:

2

Step-by-step explanation:

1+1=2

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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

To find:

All the real solutions.

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.

5 0
3 years ago
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Vsevolod [243]

Answer:

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Step-by-step explanation:

6 0
3 years ago
Edward's school is 132 miles away from his home . He goes by car to school and back. The car consumed 4 gallons of gas taking hi
mixer [17]
Total distance is 132 miles x 2 times/day x 5 days = 1320 miles
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3 years ago
David's bedroom door is 8 feet tall and 4 feet wide. A new door would cost $8.00 per square foot. How much would a new bedroom d
Verdich [7]

Answer:

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Step-by-step explanation:

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