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Tatiana [17]
2 years ago
12

Identify the number of moles of each element present in one mole of nh4no3. # moles n: # moles h: # moles o:.

SAT
2 answers:
olasank [31]2 years ago
5 0
Solution; N:2, H:4, O:3

Step by step solution:
There are 2 n’s
The 4 after the h means that there’s 4 h
And the 3 after the o means that there’s 3 o
sasho [114]2 years ago
5 0

Answer:

N:2, H:4, O:3

Explanation:

on edge

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Among all pairs of numbers whose difference is 14 find a pair whose product is as small as possible
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The pair two numbers whose difference is 14 and the product is as small as possible (i.e. -49) are (-7,7)

<h3>What are word problems?</h3>

In mathematical concepts, word problems involve a crucial understanding of the problem and knowing which mathematical method and arithmetic operations are best suited to solving the problem.

If we assume that the smaller number should be = a and the larger number = a + 14.

Thus, their product (X) can be expressed as:

= a(a+14)

= a² + 14a

The smallest possible value implies the minimum value, i.e.

\mathbf{\dfrac{dX}{da} = 2a + 14}

Thus,

2a + 14 = 0

a = - 14/2

a = -7

Therefore, we can conclude that the pair of two numbers whose difference is 14 and the product is as small as possible (i.e. -49) is (-7,7).

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The following function, L, gives the approximate percent literacy rate in India t years after 1900.
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The question is:

The following function, L, gives the approximate percent literacy rate in India t years after 1900.

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