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Sedaia [141]
3 years ago
11

The mass of a carbon atom is 1.994 × 10-23 grams. The mass of a hydrogen atom is 1.67 × 10-24 grams. What is the difference of t

heir masses?
0.324 × 10-24 grams
1.827 × 10-23 grams
1.827 × 10-24 grams
0.324 × 10-23 grams
Mathematics
1 answer:
Ilya [14]3 years ago
8 0
 1.994 x 10^-23
-0.167 x 10^-23
 1.827 x 10^-23
Correct answer is the second one.

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otez555 [7]
The length is 13 for your answer
4 0
3 years ago
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If 4 workers take 900 hours to finish a project, how long will it take 8 workers to complete the same project?
butalik [34]

Answer: 350

Step-by-step explanation: If you multiply the amount of <em>workers</em> by two, then you divide the amount of <em>time </em>by two, and vice versa. So, in other words, whatever number you multiply the workers by, divide the time by that same number. I hope this helps!

6 0
3 years ago
When you forget to add the attachment,, r.i.p. ,, what I said before and all that
kati45 [8]
a.
h = 2c - 3

b.
3h + 1.5c = 201

c.
We have a system of equations from part a and b.
h = 2c - 3   (equation 1)
3h + 1.5c = 201   (equation 2)

We use substitution method to solve this system.
Substitute equation 1 in equation 2 to get
3h + 1.5c = 201
>> 3(2c - 3) + 1.5c = 201
>> 6c - 9 + 1.5c = 201
>> 7.5c = 201 + 9
>> 7.5c = 210
>> c = 210 / 7.5
>> c = 28

Plug this value back in equation 1 to get
h = 2c - 3  
>> h = 2(28) - 3 = 56 - 3 = 53

So, c = 28 and h = 53 implies that <u>28 corndogs</u> and 53 hotdogs were sold.
3 0
3 years ago
I’ll give brainliest
Harrizon [31]

Answer:

y = 7x - 5

Step-by-step explanation:

\frac{1}{2} (2y + 10) = 7x \\  \frac{2y}{2}  +  \frac{10}{2}  = 7x \\ y + 5 = 7x \\ y = 7x - 5

7 0
3 years ago
You've received an invoice for $3,000 with terms of 3/10, 1/20, n/30. How much will you have to pay if you pay the bill in 12 da
Veronika [31]
Hi there

3/10 means if you pay the bill within 10 days you will get a discount for 3%

1/20 means if you pay the bill within 20 days you will get a for 1%

N/30 means if you pay the bill within 30 you will not get any discount

you paid the bill within 12 days soso you will get a discount for 1%

3,000−3,000×0.01
=2,970

Hope it helps
4 0
4 years ago
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