Answer:
11
Step-by-step explanation:
1,054.04-200.66=853.38
853.38/77.58=11
Answer:785.4
Step-by-step explanation:
Based on the figures above, the numbers of children that attended the park that day is 10,000.
<h3>What is the matrix equation about?</h3>
Fist we have to use the determinant to solve for c and as such:

=
= 100000/10
=10,000
Therefore, Based on the figures above, the numbers of children that attended the park that day is 10,000.
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<span>Best Answer: 1) Q is positive therefore the process is endothermic. .769kj+-.810kj=-.041kj
2) Heat is released meaning it is exothermic. -66.9kj+45=-21.9kj
3) 7.29kj. Endothermic.</span>