3 years ago

Calculate (full working out) 5.16 x 2.93 =

1 answer:

3 0

The answer is 15.1188

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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,

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

3 0

2 years ago

lara31 [8.8K]

it will be 31,995 but we have to estimate yo the nearest cent so 10 cents

5 0

3 years ago

sveticcg [70]

The exact answer is 2,165.846153846154
Hope this helpssss :)

5 0

2 years ago

lorasvet [3.4K]

You do the reverse and divide the 2 values to find out the last one

72/9 = 8

Do you get it?

8 0

2 years ago

marshall27 [118]

it is 3 divided by 31 then subtract 31 with 30 which will give you 10R1

7 0

3 years ago