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Lisa [10]
3 years ago
6

If the numbers 4, 5 and 6 are each used exactly once to replace the letters in the expression A ( B − C ), what is the least pos

sible result?
Mathematics
1 answer:
guapka [62]3 years ago
3 0

Answer:

The least possible result is <em>-10</em>.

Step-by-step explanation:

Given the numbers 4, 5 and 6 are to be chosen one of the letters A, B or C.

First of all,

Let A = 4, B = 5 and C = 6

A(B-C) = 4 \times (5-6) = 4 \times -1 = -4

Let A = 4, B = 6 and C = 5

A(B-C) = 4 \times (6-5) = 4 \times 1 = 4

Let A = 5, B =4 and C = 6

A(B-C) = 5 \times (4-6) = 5 \times -2 = -10

Let A = 5, B = 6 and C = 4

A(B-C) = 4 \times (6-4) = 4 \times 2 = 8

Let A = 6, B = 4 and C = 5

A(B-C) = 6 \times (4-5) = 6 \times -1 = -6

Let A = 6, B = 5 and C = 4

A(B-C) = 6 \times (6-5) = 6 \times 1 = 6

Summarizing the above values in the form of a table:

\begin{center}\begin{tabular}{ c c c c}A & B & C & A(B-C)\\ 4 & 5 & 6 & -4\\  4 & 6 & 5 & 4\\  5 & 4 & 6 & -10\\  5 & 6 & 4 & 10\\  6 & 4 & 5 & -6\\ 6 & 5 & 4 & 6\end{tabular}\end{center}

So, the least possible result is <em>-10</em>.

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JulsSmile [24]

Answer:

a) 15/8   b) 25/18

Step-by-step explanation:

a) First bring all the fractions to a common denominator (I'm going to use 8th's). 5/8 is already simplified, 1/2=4/8, and 3/4=6/8. Then, simply add the numerators and leave the denominator:  \frac{5+4+6}{8} =\frac{15}{8}

Since this can not be simplified any further, your final answer is 15/8.

b) Start by bringing all the fractions to a common denominator (for this problem, we'll use 18th's). 2/3=12/18, 1/6=3/18, and 5/9=10/18. Then just add all the numerators and leave the denominator the same: \frac{12+3+10}{18} = \frac{25}{18}

Since this cannot be simplified further either, your final answer is 25/18.

Hope this helps! :)

4 0
2 years ago
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Valentin [98]

Answer:

<u>.8 TERMINATING</u>

Step-by-step explanation:

Terminating means to End or arrive to an end and that is exacly what is being done here it is not repeating for example .888888 (>see) no but when we divide we get .8 witch is terminating.

<u><em>These are all terminating decimals because they end.</em></u>

7 0
3 years ago
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Answer:

Variable Y is equal to 7.5.

Step-by-step explanation:

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18 + 20y - 8 = -140

Second, subtract 18 and add 8 from/to both sides.

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20y = -150

Third, divide by 20.

y = 7.5

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