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yulyashka [42]
3 years ago
7

Is (0,0) a solution to this system?

Mathematics
1 answer:
galina1969 [7]3 years ago
8 0
The answer is A because if you plug in the coordinates (0,0) into y<x^2+2x+1 you get....0<1+2+1. Which simplified is 0<4. For the other equation if you plug in (0,0) you'd get 0≤-3 which is false.
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The average weight of the class of 35 students was 45 KG. with the admission of a new student the average weight came down to 44
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The weight of the new student is 27 kg.

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<h3>1) Define variables</h3>

Let the total weight of the 35 students be y kg and the weight of the new student be x kg.

<h3>2) Find the total weight of the 35 students</h3>

<u>45 =  \frac{y}{35}</u>

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<h3>3) Write an expression for average weight of students after the addition of the new student</h3>

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44.5  =  \frac{y + x}{36}

<h3>4) Substitute the value of y</h3>

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x= 1602 -1575

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