at a school 111 students play at least one sport this is 30% of the students at the school how many students are at the school
1 answer:
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First lets combine terms.
<span>4x 2 + 5x + 2 = 2x 2 + 7x – 1 subtract the left side from right side
</span>
(4x 2- 2x 2) + (5x - 7x) + (2 + 1)=0 then combining
2x 2 - 2x + 3 =0 now we can use the quadratic formula
<span>
</span>a=2, b=-2 c=3
see attached and plug them in
<span>4x 2 + 5x + 2 = 2x 2 + 7x – 1 subtract the left side from right side
</span>
(4x 2- 2x 2) + (5x - 7x) + (2 + 1)=0 then combining
2x 2 - 2x + 3 =0 now we can use the quadratic formula
<span>
</span>a=2, b=-2 c=3
see attached and plug them in