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3 years ago

Hii Help plzz anyone!!

Mathematics

2 answers:

natka813 [3]3 years ago

7 0

Answer:

It's just addition and subtraction.

Step-by-step explanation:

1. $65,000

2. 66,000

3. 114,000

GaryK [48]3 years ago

6 0

Answer:

i hope it's help you

Step-by-step explanation:

1. $65,000

2. 66,000

3. 114,000

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Vaselesa [24]

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3 years ago

Lily earns $29.75 an hour. If she works 6 hours each day during the week and 4 hours a day

rosijanka [135]

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Step-by-step explanation:

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2 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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3 years ago

Determine from the following(choice one or choice two) mapping is a Function. Choice One Choice Two 3 1 0 2 3 2 -1 3 2 3 -2 0 Ex

saul85 [17]

Answer:

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Step-by-step explanation:

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2 years ago

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Anna [14]

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3 years ago