1 = 10
2 = 12
3 = 14
4 = 16
5 = 18
6 = 20
Δweight
------------- =
Δ cost
2-1
------- =
12-10
1
—
2
Answer:
3 parts red to 2 parts white......3:2...added = 5
red : 3/5(30) =18 cans red paint
white : 2/5(30) = 12 cans white paint
Answer:
1. mean 2. mean absolute deviation
Step-by-step explanation:
Answer:
f(x) = + cosx or - cosx
Step-by-step explanation:
(2+tan^2x/sec^2x) -1 =(f(x))^2
=(( 1 + sec^2x)/sec^2x) -1
= 1 / sec^2x + 1 - 1
= 1 / sec^2x
= cos^2x
(f(x))^2 = cos^2x
f(x) = + cosx or - cosx
