Answer:
them some expensive pencils
Answer:
(simplified form)
Step-by-step explanation:
I is the total length of all the 5 rods.
Each of the 5 parts lengths are
, respectively.
<em>We add all of them and equate it to I:</em>

<em>Simplifying this, we take like terms and add:</em>
<em>
</em>
Answer:
-2
Step-by-step explanation:
f(x) = x² +3x
so f(-1) means f(x= -1) so wherever you see a "x" in your equation you put a "-1"
f(-1) = (-1)² +3*(-1) = 1 -3 = -2
Step-by-step explanation:
400,200,100,50,25,12.5, ...... 0.78125