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melisa1 [442]
2 years ago
7

Explain how 2 ones is the same as 20 tenths.

Mathematics
2 answers:
alexgriva [62]2 years ago
7 0
10 tenths is equal to 1 and do x2 and you'll get 2 and also 20 tenths
iogann1982 [59]2 years ago
3 0

2+2=4-1=3 quick maths

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Help and explain explain !!!!!!!!!!
tigry1 [53]

Answer:

x=-1\text{ or }x=11

Step-by-step explanation:

For a=|b|, we have two cases:

\begin{cases}a=b,\\a=-b\end{cases}

Therefore, for 18=|15-3x|, we have the following cases:

\begin{cases}18=15-3x,\\18=-(15-3x)\end{cases}

Solving, we have:

\begin{cases}18=15-3x, -3x=3, x=\boxed{-1},\\18=-(15-3x), 18=-15+3x, 33=3x, x=\boxed{11}\end{cases}.

Therefore,

\implies \boxed{x=-1\text{ or }x=11}

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2 years ago
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dolphi86 [110]

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Step-by-step explanation:

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