Mathematics, 31.07.2019 08:30 etampus0220

The price of a stock had a change of –3 dollars. explain how you would use a number line to find the absolute value of –3.

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Draw out a horizontal line. Place 0 at the center. Then place evenly spaced tick marks on either side of 0. Label the right side of tick marks as 1, 2, 3, ... moving from 0 and going to the right

Label the left side of tick marks -1, -2, -3, ... starting at 0 and moving left

The location -3 on the number line is exactly 3 units away from 0. We start at 0 and move to -3 by moving 3 spots to the left; or we start at -3 and move 3 units to the right to get to 0.

Therefore, the absolute value of -3 is 3
Absolute value on a number line is the distance a number is from 0
The distance is never negative

Answer from: diamond2738

Absolute values return the positive number of an expression.

The absolute value of -3 is 3

The change is given as:

$\mathbf{Change= -3}$

Rewrite as:

$\mathbf{Change= 0-3}$

The above expression means that: -3 is 3 units from 0 (in the negative direction)

So, to use a number line to calculate the absolute value.

We look for a number that is 3 units from 0 in the positive direction.

This number is 3.

So, we have:

$\mathbf{Change = 3}$

Read more about absolute values and number lines at:

link

Answer from: Quest

a) one student is chosen from classroom a, then a student is chosen from classroom b.

step-by-step explanation:

independent events are ones in which the probability of one event does not affect the probability of the second event.

one student is chosen from classroom a; this does not affect the chances of choosing a student from classroom b. this makes these independent events.

when one card is chosen from a standard deck and then set aside before a second card is chosen, the probability of the second card being chosen changes. this makes them dependent events.

when one student is chosen from classroom a and then a second student is chosen from classroom a, the probability of choosing the second student changes. this makes them dependent events.

when a letter is chosen from the alphabet and then a second letter is chosen, the probability of choosing the second letter changes. this makes them dependent events.

Answer from: Quest

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step-by-step explanation:

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The price of a stock had a change of –3 dollars. explain how you would use a number line to find the...