He spent exactly 20.25, so it's A.
Answer:
The rate of decrease is:
Step-by-step explanation:
Given
---- We used minus because the rate is decreasing
Required
Rate of decrease when:
The volume of the cube is:
Differentiate
Make dV the subject
Divide both sides by dt
Given that: and
<em>Hence, the rate of decrease is: 43.2mm^3/min</em>
A. f(1) = 1 + 3 = 4
b. f(6) = 2*6 = 12
Answer:
You just put lines like how they do when showing distributive property...and write out 5x5x5
Step-by-step explanation:
Answer:
45 cm
Step-by-step explanation:
Let length of the field in the drawing = x
80 : 120 :: 30 : x
Product of extreme = Product of means
80 * x = 120 * 30