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3 years ago

What is the midpoint of the line segment graphed below?

Mathematics

1 answer:

FinnZ [79.3K]3 years ago

3 0

Answer:

(3.5, -4.5) or option D

Step-by-step explanation:

x) (6 + 1) / 2 = 3.5

y) (-1 + (-8)) / 2 = -4.5

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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 $2.53159\times 10^{-5}$ .

5 0

3 years ago

Find the unit rate of miles per hours of a plane that travels 3610 miles in 33.5 hours

Alik [6]

Plane would be going 107.761194. 3610 divided by 33.5 is about 107

3 0

3 years ago

Read 2 more answers

There are cars and motorcycles in a campus parking lot. The parking attendant noticed there are a total of 294 tires and a total

malfutka [58]

This can't work because if there are 60 cars that means there are 240 car wheels and then 25 bikes means 50 bike wheels for a total of 290 wheels, if there was 1 more car then it would be 86 cars and motorcycles with 294 wheels or 2 more bikes would mean 87 cars and motorcycles with 294 wheels

4 0

3 years ago

Round 290951.867863 to the nearest hundred.

andreev551 [17]

Answer: 290951.87

Step-by-step explanation:

Hope this helps :D

5 0

2 years ago

What is the slope of the line represented by the equation y=4/6x-3?

Finger [1]

Your sloe would be 2/3x because that fraction is rise over run so you go up two and over three positive the -3 is your intercept but he fraction simplified is your slope good luck

6 0

3 years ago