3 years ago

BRAINLIESTTTTT ANSWER!!!!!!!!!!!!!!!

1 answer:

7 0

I would say that answer B makes more sense that the others. Standard deviation are both described with College and High School. I hope this helps!

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Cqn someone answer this?

Norma-Jean [14]

Answer:

-3

Step-by-step explanation:

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-3

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4 years ago

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What is the perimeter of this red polygon?

Furkat [3]

Answer:

P= 26

Step-by-step explanation:

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4 years ago

A mixture of compounds X and Y in a 0.100-cm cell had an absorbance of 0.215 at 272 nm and 0.191 at 327 nm. Find [X] and [Y] in

Oksi-84 [34.3K]

Answer: The concentration of X is $7.13582\times 10^{-6}$ and the concentration of Y is $2.53159\times 10^{-5}$ .

Step-by-step explanation:

Since we have given that

At 272 nm, absorbance = 0.215

At 327 nm, absorbance = 0.191

As we have given that

Compound X Compound Y

272 16400 3870

327 3990 6420

So, our equations becomes

$16400C_1+3870c_2=0.215\\\\3990C_1+6420C_2=0.191$

By solving these two equations, we get that

$C_1=7.13582\times 10^{-6}\\\\C_2=2.53159\times 10^{-5}$

Hence, the concentration of X is $7.13582\times 10^{-6}$ and the concentration of Y is $2.53159\times 10^{-5}$ .

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4 years ago

(6x+12y)(x+2y+5)−(6y+3x)(2x+4y)−30(x−2y)

Dmitry [639]

Step-by-step explanation:

6x + 120y + 6x2

Final answer

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3 years ago

While sailing toward a statue, a sailor in a boat observed that at a certain point, the angle of elevation of the tip of the t

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Answer:

The answer is on this link:

https://www.slader.com/discussion/question/while-sailing-toward-the-statue-of-liberty-a-sailor-in-a-boat-observed-that-at-a-certain-point-the-a/

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