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Kitty [74]
3 years ago
9

Please help me asap!!!!!!!!

Mathematics
2 answers:
seraphim [82]3 years ago
5 0
Both of them don’t follow the law of conservation of mass
lesantik [10]3 years ago
4 0
12.) This does not follow the rule of conservation because on the reactant side there is one Na and two Cl while the product side only has one Na and Cl. They are not equal and do not have the same number of atoms for the different elements. In the law of conservation matter cannot be created or destroyed and this does not follow the law.

13.) 2Na + Cl2 —> 2NaCl

Put a 2 in front of Na and a 2 in front of NaCl
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p borrowed Rs. 16000 from a person at 12 % per Annum simple interest and lent the whole amount to Q at the same rate of annually
hichkok12 [17]

Answer:

P earned $ 718.85.

Step-by-step explanation:

Given that P borrowed $ 16000 from a person at 12% per annum simple interest and lent the whole amount to Q at the same rate of annually compound interest, to determine how much did he gain after 3 years the following calculation must be performed:

16,000 x 0.12 x 3 = X

1,920 x 3 = X

5,760 = X

16,000 x (1 + 0.12 / 1) ^ 3 = X

16,000 x 1.12 ^ 3 = X

16,000 x 1.404928 = X

22,478.85 = X

22,478.85 - 16,000 = 6,478.85

6,478.85 - 5,760 = X

718.85 = X

Therefore, P earned $ 718.85.

5 0
3 years ago
Simplify the expression 2(x-6)+2(8)
jolli1 [7]

Answer:

2x+4

Step-by-step explanation:

Distribute:

=(2)(x)+(2)(−6)+(2)(8)

=2x+−12+16

Combine Like Terms:

=2x+−12+16

=(2x)+(−12+16)

=2x+4

8 0
3 years ago
Ayana works at Eastern Community College as a math teacher. She will
AveGali [126]

Answer:

  a.  $2622.00

Step-by-step explanation:

After taking out federal health insurance taxes, Ayana's pay for the year will be ...

  $45000 × (1 - 0.224) = $45000 × 0.776 = $34,920

On a monthly basis, that is ...

  $34,920/12 months = $2910 per month

Then, additional deductions of $3 + 85 + 200 = $288 are made, so her pay will be ...

  $2910 -288 = $2622 per month

_____

<em>Comment on federal taxes</em>

Federal income taxes are not accounted for in the problem statement. If Ayana can claim "head of household" status (and is not married), she will have federal income tax on the order of $121 per month deducted from the above amount, assuming her retirement plan deduction is "before tax."

8 0
3 years ago
PLEASE HELP QUICK!! (25 Points) Name the postulate or theorem you can use to prove the triangles congruent.
Akimi4 [234]
Hello!

You know that two sides and one of the angles are congruent

The only choice that has two sides and 1 angle is ASA postulate

The answer is ASA postulate

Hope this helps!
7 0
4 years ago
Read 2 more answers
In -1x=2 (solving for x), when l divide both sides by 1, is that 1 positive or negative?
svetoff [14.1K]
The answer would be -2
7 0
3 years ago
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