<h2>
<em><u>Salamat na lang</u></em></h2><h2 /><h2 /><h2 /><h2>
<em><u>Salamat na langSana masagutan mo yan</u></em></h2><h2 /><h2 /><h2 />
This would just be 7 1/5 + 3/5 since the negative sign gets distributed and makes (-3/5) into a positive number.
From there you have basic math and you get 7 4/5.
Answer:
Please take a picture and ask it again, it had failed to access it.
Answer:
solo suma todos los valores x+4(3)+(x+x)
en el segundo x+5(2)+x+3(2)
en el tercero x-3+(2x+5)+(2x+5)
y en el cuarto x(3)+(x+4)
Answer:
It will take 5 hours until it reaches its maximum concentration.
Step-by-step explanation:
The maximum concentration will happen in t hours. t is found when

In this problem

Applying the quotient derivative formula



A fraction is equal to zero when the numerator is 0. So





We use only positive value.
It will take 5 hours until it reaches its maximum concentration.