Solve y = 19x when x = 2 If you show your work I will give you branist
2 answers:
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Answer:
Max vol = 2 cubic metres
Step-by-step explanation:
Given that from a square piece of cardboard paper of area size 9 m2 , squares of the same size are cut off from each corner of the paper.
Side of the square = 3m
If squares are to be cut from the corners of the cardboard we have the dimensions of the box as
3-2x, 3-2x and x.
Hence x can never be greater than or equal to 1.5
V(x) = Volume =
We use derivative test to find the maxima
Equate I derivative to 0
If x= 3/2 box will have 0 volume
So this is ignored
V"(1/2) <0
So maximum when x =1/2
Maximum volume
= cubic metres
12.
Add like terms from both trinomials:
Combine these terms to get a new trinomial as your answer:
13.
Subtract like terms from both trinomials (note that subtracting a negative is the same as adding it as a positive):
0 can be left out of the answer.
Combine these terms to get a binomial as your answer:
Add like terms from both trinomials:
Combine these terms to get a new trinomial as your answer:
13.
Subtract like terms from both trinomials (note that subtracting a negative is the same as adding it as a positive):
0 can be left out of the answer.
Combine these terms to get a binomial as your answer:
Answer:
The third side must be smaller than 20 inches and greater than 4 inches
Step-by-step explanation:
Let a, b and c be the lengths of triangle's sides. Then
Use this rule in your case. So, if a=12 and b=8, then
Hence, you get
From these inequalities, you can state that
So, c must be smaller than 20 inches and greater than 4 inches.