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2 years ago

9

Round to the place value of the less precise measurement. 2.13 m + 8.6 m

1 answer:

Maru [420]2 years ago

3 0

The answer would be 10.19m. If you want to round it of to a less precise measurement it would be 10 m. That is rounding of the decimal value to the ones place. the rule of rounding of is form 6 t0 9 it would add 1 to the nearest place value next to it and 0 - 5 will not.

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Answer:

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Step-by-step explanation:

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2 years ago

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2 years ago

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2 years ago

If f(x) = 3x +9 x when f(x) = 30

den301095 [7]

Answer:

$x=5/2$

Step-by-step explanation:

When $f(x)=30$ , we have $3x+9x=30$ .

Combining like terms on the right side, we have $12x=30$ .

Finally, dividing by $12$ we get $x=30/12$ .

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So, $\boxed{x=5/2}$ and we're done!

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2 years ago

The scale of a map (in centimeters) says that 4cm represents 5km.

Firlakuza [10]

Answer:

16/5 or 3.2

Step-by-step explanation:

4cm/5km = x/4km

Cross multiply to find answer

5 0

3 years ago