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Arturiano [62]
3 years ago
13

Find the solution set of the quadratic equation over the set of complex numbers -7x^2+12x=10

Mathematics
2 answers:
Margarita [4]3 years ago
7 0

Answer: it’s A

Step-by-step explanation:

I chose b and got it wrong and showed that it was a

Zarrin [17]3 years ago
3 0
I’m not sure honestly maybe B
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What is the total volume of this compound shape?
Alex787 [66]

Answer:

This is very easy. First find the volume of the cube, and then add it to the volume of the hemisphere to find the total volume.

The volume of the cube is length x width x height: 8 x 8 x 12 = 768 cm

The volume of the hemisphere is (2/3)πr³ : (2/3)π(4)³ = 134.04 cm

*Radius is 4

Now add: 768 + 134.04 = 902.04 cm

6 0
3 years ago
Ardi and lei are both travelling by train. Ardi’s train travels 70km in 35 minutes. Lei’s train travels 585km. It leaves at 9:05
LuckyWell [14K]

Answer:47.14km/h

Step-by-step explanation:

585÷3 and 1/2=167.14km/h

70÷35/60=120km/h

167.14-120=47.14km/h

8 0
3 years ago
4n + 8 = 20
Serggg [28]

Answer:

The answer is 3

Step-by-step explanation:

4 x 3 = 12

8 + 12 = 20

5 0
3 years ago
Read 2 more answers
Please help me I will give BRAINLIST
blsea [12.9K]
Answer: (0,29)

Good luck !
7 0
3 years ago
you can transform 4x + 12 = 9x - 3 again into a simpler form by subtracting 4x form both sides to get 12 = 5x - 3, if you subsit
nikdorinn [45]

Answer: Yes you will still get a true statement because 3 is the solution to the equation.

Step-by-step explanation:

Well substitute 3 for x into the equation and solve for to see if they equal each other.

12 = 5(3) - 3    

12 = 15 - 3

12 = 12  

So if you substitute 3 you get the solution .

Now solve for x in the real equation to see if you get 3.

4x + 12 = 9x -3  

-4x           -4x

 12 = 5x -3  

+3           +3

15 = 5x  

x = 3  

7 0
3 years ago
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