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CaHeK987 [17]
2 years ago
5

Which best describes a mixture?

Chemistry
1 answer:
natali 33 [55]2 years ago
5 0

Answer:

I think the answer would be b, sorry if I'm wrong(EDIT: ITS ACTUALLY AAAAA)

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Select the reagents you would use to synthesize the compounds below from benzene. Use the minimum number of steps. No more than
jekas [21]

Answer:

Explanation:

Using the necessary reagents to faciliate the synthesis of the organic compounds as shown in the attached file.

8 0
3 years ago
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Vilka [71]
The period is the end of the sentence!!!
6 0
2 years ago
suppose medical records indicate that the length of newborn babies (in inches) is normally distributed with a mean of 20 and a s
Tanya [424]

Answer:

  • <u>0.6826 (68.26%)</u>

Explanation:

<u>1) Find the z-scores:</u>

  • z = [X - μ ] / σ

a) z-score for 22.6 inches length

  • X = 22.6
  • μ = 20
  • σ = 2.6

  • z = [ 22.6 - 20 ] / 2.6 = 1.00

b) z-score for 17.4 inches length

  • X = 17.4
  • μ = 20
  • σ = 2.6

  • z = [ 17.4 - 20 ] / 2.6 =  - 1.00

<u>2) Probability</u>

Then, you have to find the probability that the length of an infant is between - 1.00 and 1.00 standards deviations (σ) from the mean (μ).

That is a well known value of 68%, which is part of the 68-95-99.7 empirical rule.

The most exact result is obtained from tables and is 68.26%:

  • 1 - P (z ≥ 1.00) - P (z ≤ - 1.00) = 1 - 0.1587 - 0.1587 = 0.6826 = 68.26%
5 0
3 years ago
Radio station broadcast signals two different frequency bands. These are Called ?
rusak2 [61]

Answer:

I  think it is AM and frequency

Explanation:

Sorry if i'm wrong ;)

6 0
3 years ago
Read 2 more answers
HELP I'LL GIVE YOU 15 POINTS CAUSE THAT'S ALL I'VE GOT, BUT I NEED IT PLEASE!
nekit [7.7K]

All mixtures contain only one kind of atom.

~Mschmindy

4 0
3 years ago
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