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jeyben [28]
3 years ago
11

HELP SCIENCE! I PUT MATH N DIDNT MEAN TO

Mathematics
2 answers:
Ganezh [65]3 years ago
6 0
B) 4Na + O₂ → 2Na₂O
b) H₂ + Cl₂ ---> 2HCi
vivado [14]3 years ago
5 0
the first question b is balanced
the second question b is balanced but it is 2HCl not 2HCi ;-)
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Marco’s bank statement says that he has an ending balance of $81. What is Marco’s starting balance?
natali 33 [55]

Answer:

$255

Step-by-step explanation:

Using the information provided, in order to find Marco's starting balance we simply need to add all of his transaction costs together. Once we have this value we simply add it to his ending balance amount which will give us the total dollar value of his starting balance.

20 + 22 + 13 + 39 + 34 + 15 + 31 = 174

174 + 81 = $255

Finally, we can see that Marco's starting balance was a total of $255

8 0
2 years ago
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The 102nd floor of the sears tower in Chicago is the highest occupied floor. It is 1,431 feet above the ground . How many yards
nevsk [136]

Answer:

477 yards

Step-by-step explanation:

1 foot to a yard is 0.333333.

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4 0
3 years ago
The radius is 7. Find the circumference of p. Leave your answer in terms of pi.
just olya [345]

Answer:

Step-by-step explanation:

Hi there!

According to the question;

radius (r) = 7

We know,

Circumference (c) = 2πr

                              = 2π * 7

                              = 14π

Therefore the circumference of p is 14π.

Hope it helps!

5 0
2 years ago
Please help!!!!.................,
dangina [55]

Answer:

I think it's 45 lmk if I'm wrong lol

5 0
2 years ago
Help please? Will mark correct and first answer as brainliest!! : )
Gelneren [198K]

Answer:

It Is O. 8

Step-by-step explanation:

Because you are suppose to round the number to the one in front of the other number

3 0
3 years ago
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