Need help!! How do I figure out the question.

Mathematics

1 answer:

Natali5045456 [20]3 years ago

7 0

Answer:

its the second one lol its just asking you to pick the one less than a and a is 0.11 so it would be 0.0019

Step-by-step explanation:

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A raindrops has a mass of 0.50g. how many moles of water does a raindrop contain

alina1380 [7]

So, here you have to look at the periodic table and see what the molar mass of each molecule composing the water compound $H_2 O$
its two hydrogen atom plus an oxygen molecule, making it about 18g per mol.

That said, looking at the mass, we have to ask ourselves, if a mol of water contains 18g of mass, how many moles do we have in 0.5g of water?
We just do a cross multiplication:
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3 years ago

1+4=5, 2+5=12, 3+6=21, 8+11=?

MaRussiya [10]

96 is the correct answer to your question i

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2 years ago

Can someone please help me with this? Thank youuu!

Lunna [17]

Answer:

1996

Step-by-step explanation:

To find the number of terms in an arithmetic sequence, divide the common difference into the difference between the last and first terms, and then add 1.

2008 - 13 = 1995 + 1 = 1996

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2 years ago

Two standard number cubes are thrown. Find the probability that the sum of the numbers showing is ten given that the first numbe

Sergio [31]

Given that the first number shows up as four. The second number should be six so that the sum would be ten. Therefore, its probability should be 1/6.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

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sergij07 [2.7K]

Answer:

x= −5 /3

Step-by-step explanation:

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2 years ago