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Luden [163]
3 years ago
8

Hey can you please help me posted picture of question

Mathematics
1 answer:
mixer [17]3 years ago
7 0
The nature of roots of a quadratic equation can be determined from its discriminant.

Discriminant = b² - 4ac

b = coefficient of x term = 2
a = coefficient of squared term = 2
c = constant = 4

So,

Discriminant = 4 - 4(2)(4) = -28

Since the discriminant is negative, the two roots of the given equation will be complex .

Therefore, the answer to this question is option B
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Why do plasma particles have charges?​
r-ruslan [8.4K]

Answer:

"Because the particles (electrons and ions) in a plasma have an electrical charge, the motions and behaviors of plasmas are affected by electrical and magnetic fields. ... Ions have a positive electrical charge because they have more positively charged protons than negatively charged electrons."

  -Educationscied.ucar.edu › plasma

8 0
3 years ago
Is this correct? please do let me know honestly.
Wittaler [7]

Answer:

You're correct.

5 0
2 years ago
Math question down below
kramer
X + 4/5 = 11
x = 11 - 4/5
x = 55/5 - 4/5
x = 51/5 or 10 1/5

or u can do it this way..
x + 4/5 = 11.....multiply everything by common denominator of 5
5x + 4 = 55
5x = 55 - 4
5x = 51
x = 51/5 or 10 1/5
7 0
3 years ago
What is the area of this figure? Use 3.14 for pi.
andrey2020 [161]

Answer:

24,53cm²

Step-by-step explanation:

rectangle area=length×width=7×3

=21cm²

circle area=1/2Π r²

=1/2×3.14×1.5×1.5

=3.5325cm²

add the two areas

21+3.53=24,53cm²

6 0
3 years ago
Sort the following objects by length. Place the shortest object at the top.
Alenkinab [10]

Answer:

Ok, here we have two points A and B.

The shorter object will be the second option, AB with a line on top, this is a segment, so the length of this object is equal to the distance between A and B.

The next one is AB with an arrow pointing to the right, this is ray, is a line that starts in A and passes through B, and continues infinitely.

The third will be the bottom option, AB with a double-arrow on top, this is the notation for a line that passes through A and B, and it extends to infinity in both directions.

5 0
3 years ago
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