Answer:
15x
Step-by-step explanation:
5 (x+2x)
5 (3x)
15x
Answer:
300
Step-by-step explanation:
2252÷7≈2250÷7
≈300
Answer:
13
Step-by-step explanation:
25 - 12 = 13

Differentiate both sides, treating
as a function of
. Let's take it one term at a time.
Power, product and chain rules:



Product and chain rules:




Product and chain rules:




The derivative of 0 is, of course, 0. So we have, upon differentiating everything,

Isolate the derivative, and solve for it:


(See comment below; all the 6s should be 2s)
We can simplify this a bit by multiplying the numerator and denominator by
to get rid of that fraction in the denominator.

Step-by-step explanation:
how do we find area? Length x width, right?
Let's break up each part.
3x3y2 = 3(x)(x)(x)(y)(y)
5x2y3 = 5(x)(x)(y)(y)(y)
Combining everything we have, 3(5)(x)(x)(x)(x)(x)(y)(y)(y)(y)(y). That's 15x5y5.
We multiply the coeffiecients and add exponents with the same base.
Hope this helps!