100 x 77 + 72 ÷ 4 = ? (RIGHT ANSWER GETS BRAINLIEST)
2 answers:
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Answer:
15 and 5 hours.
Step-by-step explanation:
Call x the time taken by the first chap, and y the second.
Let's divide by 5 and play with the LHS of the first equation a bit:
we know how much x+y is ( first equation!) let's solve.
At this point it's easy to check that
Answer:
The derivative of the function is:
Step-by-step explanation:
The first principle is given by:
The function here is:
Now, using the first principle we have:
Therefore, the derivative of the function is:
I hope it helps you!