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wel
2 years ago
9

Evaluate 19x-(7+x)+8+x when x=2. Show Your Work​

Mathematics
1 answer:
elena55 [62]2 years ago
6 0

Answer:

19

Step-by-step explanation:

19x-(7+x)+8+x

substitute x with 2

--> 19*2-(7+2)+8+2

-->38-9+10

-->38-19=19

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Answer:

1,800, 19

Step-by-step explanation:

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102,619-1800×57=19

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3 years ago
A club surveyed its members to decide on food for an event. Out of 125 members surveyed, 89 preferred pizza, 23 of those preferr
RSB [31]

Answer:

\begin{array}{cccc}&\text{Prefer Pizza}&\text{Do not Prefer Pizza}&\text{Total}\\\text{Prefer Punch}&23&29&52\\\text{Do not Prefer Punch}&66&7&73\\\text{Total}&89&36&125\end{array}

Step-by-step explanation:

There are 125 members.

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52 members preferred punch, 23 of them preferred both pizza and punch, so 52-23=29 preferred only punch.

Now,

66 members preferred only pizza,

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29 members preferred only punch,

125-66-23-29=7 members did not prefer both

The two-way table is

\begin{array}{cccc}&\text{Prefer Pizza}&\text{Do not Prefer Pizza}&\text{Total}\\\text{Prefer Punch}&23&29&52\\\text{Do not Prefer Punch}&66&7&73\\\text{Total}&89&36&125\end{array}

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