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Musya8 [376]
3 years ago
13

5. Identify the property that justifies the missing step in the proof below.

SAT
1 answer:
TiliK225 [7]3 years ago
6 0

Answer:

4. 2x=-2

4. Multiplication property of equality

Explanation:

The multiplication property of equality states that if you multiply a number to one side, you must multiply it by the other. This property allows you to solve division equations. For example, if x/4 = 2, multiply both sides by 4 to get x = 8.

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90(Initial Weight) + <em>W*t = 138 Kg </em>

So the Weight increased per month is 6Kg

Explanation:

The Wrestler started at 90Kg weight

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The weight gained by the wrestler in '<em>t'</em> months is:

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From above equation we can see that a difference of 48Kg was attained by Wrestler.

Since the question stated that, the weight increased at a constant rate, so we can calculate the weight gained each month over a period of 8 months.

Weight gained per month: 48 (Kg) / 8 (Months) = 6 (Kg) / (Month)

So now we can write the equation in terms of <em>W</em>(Gained per month) and<em> t</em>( t number months)

The equation becomes:

90Kg (Initial Weight) + <em>W.t = 138 Kg </em>

<em>( where 'W' is Weight increased per month and 't' is number of months passed)</em>

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