The dekameter (or decameter) first needs to be a translated into how many the meters. deka means 10, so a dekameter it must be 10 meters. So we have to divide 250 by 10, and then we will come up with 25 dekameters.
hope that helps!!

6 0

3 years ago

Find the slope and y-intercept? Please help y = -2x - 1

PtichkaEL [24]

Answer: Slope is -2 and y int: -1

Step-by-step explanation: y=mx+b is the formula for finding slope & y intercept.

It was in your equation m=-2 and -1 being y intercept

3 0

3 years ago

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Find M a)21 b)32 c)40 d)63 Step by step please

lina2011 [118]

Answer:

a) 21

Step-by-step explanation:

If the columns are labeled a, b, c, d left to right, it appears that we have ...

$\sqrt{a}\times(b-c)=d\\\\\sqrt{49}\times(10-7)=21$

The value of M is 21.

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Questions like this require that you try different combinations of operations on the numbers shown to see if you can find a relationship. Here, the left column is a perfect square, so that is a clue. The difference of the numbers in the middle columns is a factor of the number in the right column -- another clue. It takes a certain amount of creative thought and familiarity with arithmetic facts. There is no "step-by-step" for a problem like this.

5 0

3 years ago

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