16.14 -- 6 gallons
1.35 -- half gallon
total cost -- $17.49
Answer: The cost for each chocolate gift basket is b)$25.
Step-by-step explanation:
Hi, the correct equations are:
6x + 5y =300
3x + 7y = 285
So, if we multiply the second equation by 2, and subtract the first equation to the second equation:
6x +14 y= 570
-
6x +5y =300
_________
9y = 270
Solving for y:
y = 270/9
y = 30
Substituting y=30 on any equation:
6x + 5y =300
6x + 5(30) =300
Solving for x (cost for each chocolate gift basket)
6x+150 =300
6x =300-150
6x = 150
x =150/6
x = $25
Answer:
The average rate of change of f(x) over the interval −1 ≤ <em>x</em> ≤ 1 is -1.
Step-by-step explanation:
The average rate of change of a function is:
The function is:
The interval is, -1 ≤ <em>x</em> ≤ 1.
Compute the average rate of change as follows:
Thus, the average rate of change of f(x) over the interval −1 ≤ <em>x</em> ≤ 1 is -1.
Answer:
3.
Step-by-step explanation:
3x + 6(2x – 2)
We can obtain the factor in the above equation as follow:
3x + 6(2x – 2)
Clear the bracket
3x + 12x – 12
15x – 12
Factorise
3(5x – 4)
From the above illustration, we can see that the factor of the equation
3x + 6(2x – 2) is 3.
(-26 + 10) / (5-3) = -16/2 = -8
answer
A. -8