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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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Solve: 2x ≤ -2/3 (4x + 4)
Sidana [21]
Answer: x ≤ 1

reason:

first, multiply 4x and 4 by -2/3, which leaves you with the equation 2x ≤ -8/3x + 8/3
then, you add 8/3x to both sides, making it 4 2/3x ≤ 8/3
divide both sides by 4 2/3 and you get x ≤ 1
6 0
3 years ago
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Help due tonight.. *no links please*
elena-s [515]

Answer:

measure of angle 3= 109

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angle 1=109

Step-by-step explanation:

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7 0
3 years ago
Given f(x) = 9x - 10, find f(8) *
Rama09 [41]

Answer:

\huge\boxed{f(8) = 62}

Step-by-step explanation:

\sf f(x) = 9x-10\\\\Put\ x = 8\\\\f(8) = 9(8) -10\\\\f(8) = 72-10\\\\f(8) = 62\\\\\rule[225]{225}{2}

Hope this helped!

<h2>~AnonymousHelper1807</h2>
3 0
3 years ago
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What is 9.48 divided by 0.79
AysviL [449]
The answer is 12, hope this helps

3 0
3 years ago
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Determine whether the improper integral converges or diverges, and find the value of each that converges.
Ksju [112]

Answer:converge at I=\frac{1}{3}

Step-by-step explanation:

Given

Improper Integral I is given as

I=\int^{\infty}_{3}\frac{1}{x^2}dx

integration of \frac{1}{x^2}  is  -\frac{1}{x}

I=\left [ -\frac{1}{x}\right ]^{\infty}_3

substituting value

I=-\left [ \frac{1}{\infty }-\frac{1}{3}\right ]

I=-\left [ 0-\frac{1}{3}\right ]

I=\frac{1}{3}

so the value of integral converges at \frac{1}{3}

8 0
3 years ago
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