Answer:
the answer is 168
Step-by-step explanation:
you multiply with by length and you get 168.
Answer:
Step-by-step explanation:
Hello, first, let's use the product rule.
Derivative of uv is u'v + u v', so it gives:

Now, we distribute the expression of f(x) and find the derivative afterwards.

Hope this helps.
Do not hesitate if you need further explanation.
Thank you
Answer:
i think probably x∉∅
Step-by-step explanation:
3x-7 = 3x+9
-7 = 9
so x∉∅
Answer:
1. Y
2. N
3. N
4. N
Step-by-step explanation:
Let's use the second equation, since it seems to be easier to use.
To check if an ordered pair is a solution, plug it in to the equation.
1.
--> Y
2.
--> N
3.
--> N
4.
--> N
Edit : The 4th equation doesn't work for the first equation, whereas the first one still does.
Answer:
A.
Step-by-step explanation:
First up, chill a bit xd
So hot dog = x
Drink = y
2 hot dogs = 2x
2 drinks = 2y
2x + 2y = 4.75
3 hot dogs = 3x
1 drink = y
3x + y = 7.75