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Amanda [17]
3 years ago
5

Of 100 staff member of school 48 drank coffee 25 drank both tea and coffee and every one drinks either coffee or tea . How staff

member of drank tea.
Mathematics
1 answer:
aivan3 [116]3 years ago
7 0

Answer:

27

Step-by-step explanation:

Number of member of staff that drank tee = total number of member of staff - number that drank coffee - number that drank both tea and coffee

100 - 48 - 25 = 27 members of staff

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If x^2 -8x=48 and x<0, what is the value of x+10?
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Answer:

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Step-by-step explanation:

To calculate <em>x+10</em>, we first need to find <em>x</em>. To do this, we can use the first equation.

We are given the equation:

x^2-8x=48

To solve for <em>x</em>, turn one side of the equation into 0 and solve. Therefore:

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However, we are also told that <em>x<0</em>. In other words, <em>x</em> must be negative. Thus, we can remove 12. That leaves us with: <em>x=-4. </em>

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