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lisabon 2012 [21]
3 years ago
10

How many electrons would be found in the ion whose symbol is given below? I-

Mathematics
1 answer:
iris [78.8K]3 years ago
4 0
53 or 54 i think !!!
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James is solving a number puzzle that involves three integers, a, b, and c, where c is a positive integer. The product of a and
m_a_m_a [10]

Given:

Three integers, a, b, and c, where c is a positive integer.

The product of a and b is 6.

The product of a and c is -4.

The product of b and c is -6.

To find:

The values of a,b and c.

Solution:

According to the given information:

ab=6        ...(i)

ac=-4       ...(ii)

bc=-6      ...(iii)

From (ii), we get

a=-\dfrsc{4}{c}          ...(iv)

From (iii), we get

b=-\dfrsc{6}{c}         ...(v)

Putting a=-\dfrsc{4}{c}  and b=-\dfrsc{6}{c} in (i), we get

\dfrac{-4}{c}\times \dfrac{-6}{c}=6

\dfrac{24}{c^2}=6

\dfrac{24}{6}=c^2

4=c^2

Taking square root on both sides, we get

\pm \sqrt{4}=c

\pm 2=c

It is given that c is a positive integer. So, it cannot be negative and the only value of c is c=2.

Putting c=2 in (iv), we get

a=-\dfrsc{4}{2}

a=-2

Putting c=2 in (v), we get

b=-\dfrsc{6}{2}

b=-3

Therefore, the values of a,b,c are a=-2,b=-3,c=2.

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2 years ago
Rounding<br>Round each number to the nearest hundred<br>7892<br>472​
mixas84 [53]

Answer:

7892 = 7900

472 = 500

Step-by-step explanation:

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3 years ago
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Answer:

B

Step-by-step explanation:

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What is 1% of $80?????????
OleMash [197]
0.8 because .01 times 80.
~JZ
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Chad used the table to show the ratios of the different types of sports game cards that he owns. For every 2 offense cards, he o
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Answer:

the defence cards

Step-by-step explanation:

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