Answer:
a. yes because all of them are equal to 20/7
b. the cost of a 20 oz. bag of coffee is 7$
Step-by-step explanation:
a.• 6/2.10=20/7
• 8/2.80=20/7
• 16/5.60
so all of them are proportional.
b. let x be the cost of a 20 oz. bag of coffee
=>x=7
Answer:
Not possible to find out area
Step-by-step explanation:
Given is an exponential function as
and we have to find the area to the left of e above x axis under the curve.
Using integrals, we find area =
substitute limits
When we substitute -infinity we get e^infty which is again infinity
Hence finding out area is not possible.
The integral of area diverges.
Answer: x = 1
Step-by-step explanation:
2log(x+1) - log (x+3) = log 1
log(x+1)^2 - log (x+3) = log 1
log [(x+1)^2 / (x+3)] = log 1
(x+1)^2 / (x+3) = 0
(x+1)^2 = 0
x = 1 or x = -1 (rejected, as log0 does not exist)
Answer:
2 15 sorry po kung mali
Step-by-step explanation:
Wala pong step by step
Multiply each term by term.
= (4z)(z) - (4z)(2) + (3)(z) + (3)(-2)
= 4z² - 8z + 3z - 6
Combine like terms.
= 4z² - 5z - 6