2 years ago

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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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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dolphi86 [110]

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Step-by-step explanation:

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Step-by-step explanation:

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