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Makovka662 [10]
3 years ago
14

solve this problem and show your work and answers so mr evans sixth grade class collected $132.50 to help an unprivilleged famil

y buy christmas gifts. on average, each person contributed $1.25. about how many people donated money?
Mathematics
1 answer:
Ivan3 years ago
8 0
This sounds like a division problem to me. So the class collected $132.5 in total. Each person contributed $1.25. 

132.5/1.25 = 106. 

106 people donated money.


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Find all x such that the distance between (-6,-6) and (x,-5) is 19.
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\bf x = \cfrac{-12\pm\sqrt{12^2-4(1)(-204)}}{2(1)}\implies x = \cfrac{-12\pm \sqrt{144+816}}{2} \\\\\\ x = \cfrac{-12\pm \sqrt{960}}{2}\implies x = \cfrac{-12\pm \sqrt{8^2\cdot 15}}{2}\implies x = \cfrac{-12\pm 8\sqrt{15}}{2} \\\\\\ x = -6\pm 4\sqrt{15}\implies x \approx \begin{cases} 9.49\\ -21.49 \end{cases}

7 0
4 years ago
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