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Dmitry_Shevchenko [17]
3 years ago
15

Combine like terms to create an equivalent expression.​

Mathematics
2 answers:
Andrews [41]3 years ago
5 0

Answer:

3w - 9/2 is the equivalent expression

RUDIKE [14]3 years ago
4 0

Answer:

\boxed{\bold{3w+\frac{-9}{2} }}

Explanation:

(6)(1/2w + -3/4)

= (6)(1/2w)+(6)(-3/4)

= 3w + -9/2

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When a new machine is not functioning properly, 15% of the items produced are defective. Assume that we will randomly select 5 p
cestrela7 [59]

Answer:

P(X<=2) = 0.9736

Step-by-step explanation: Please find the attached file for the solution

7 0
3 years ago
A second important result is that electrons will fill the lowest energy states available. This would seem to indicate that every
Assoli18 [71]

Answer:

  • 8

Explanation:

1)<u> Principal quantum number, n = 2</u>

  • n is the principal quantum number and indicates the main energy level.

<u>2) Second quantum number, ℓ</u>

  • The second quantum number, ℓ,  is named, Azimuthal quantum number.

The possible values of ℓ are from 0 to n - 1.

Hence, since n = 2, there are two possible values for ℓ: 0, and 1.

This gives you two shapes for the orbitals: 0 corresponds to "s" orbitals, and 1 corresponds to "p" orbitals.

<u>3) Third quantum number, mℓ</u>

  •    The third quantum number, mℓ, is named magnetic quantum number.

The possible values for mℓ are from - ℓ to + ℓ.

Hence, the poosible values for mℓ when n = 2 are:

  • for ℓ = 0: mℓ = 0
  • for ℓ = 1, mℓ = -1, 0, or +1.

<u>4) Fourth quantum number, ms.</u>

  • This is the spin number and it can be either +1/2  or -1/2.

Therfore the full set of possible states (different quantum number for a given atom) for n = 2 is:

  • (2, 0, 0 +1/2)
  • (2, 0, 0, -1/2)
  • (2, 1, - 1, + 1/2)
  • (2, 1, -1, -1/2)
  • (2, 1, 0, +1/2)
  • (2, 1, 0, -1/2)
  • (2, 1, 1, +1/2)
  • (2, 1, 1, -1/2)

That is a total of <u>8 different possible states</u>, which is the answer for the question.

8 0
3 years ago
What is the solution to this equation?<br> 2x + 3 = x – 4
gavmur [86]

Answer:

<h3>x = -7</h3>

Step-by-step explanation:

2x + 3 = x – 4

2x - x = -3 - 4

x = -7

5 0
2 years ago
35 = 1/2(x-5)(x-14) what does x equal?
Yanka [14]
The answer is x=19.
Hope it helps! (:
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3 years ago
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