X=5 is your answer to this
Answer:
The Corner Store sells pb at $0.16 per ounce
Minnie's Market sells pb at $0.14 per ounce
Food Now! sell pb at $0.15 per ounce
And the best place to buy would be Minnie's Market.
Step-by-step explanation:
TCS: $1.28/8=$0.16
MM: $1.96/14=$0.14
FN: $3.30/22=$0.15
Answer:
the first one is just asking if x increases, does the line go up to down if you look from the graph? The y, or f(X) values will increase as X increases. X intercept means when does the line touched the X axis? From the graph the line touches it at (-3,0)
Answer:
21, You have to subtract 67 by 18, then multiply 7 by 3 then divide together both of their answers.
Answer:
see explanation
Step-by-step explanation:
Given M is directly proportional to r³ then the equation relating them is
M = kr³ ← k is the constant of proportion
To find k use the condition r = 4 when M = 160, thus
160 = k × 4³ = 64k ( divide both sides by 64 )
2.5 = k
M = 2.5r³ ← equation of proportion
(a)
when r = 2, then
M = 2.5 × 2³ = 2.5 × 8 = 20
(b)
when M = 540 , then
540 = 2.5r³ ( divide both sides by 2.5 )
216 = r³ ( take the cube root of both sides )
![\sqrt[3]{216}](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B216%7D)
= r , thus
r = 6
