Answer:
Surface area of the triangular prism = area of the two triangles + area of two squares + area of the rectangle
area of the triangle = 1/2 bh = (1/2 × 32 × 30) cm^2
= 480 cm^2
two triangles = 480 × 2 = 960 cm^2
area of square = 34 × 34 = 1156 cm^2
two squares = 1156 × 2 = 2312 cm^2
area of the rectangle = 34 × 32 = 1088cm^2
so surface area of triangular prism = (960+2312+1088) cm^2= <em>4360 cm^2 </em>(ans)
Hope it helps
Answer:
The answer is
Step-by-step explanation:
By using Pythagoras low
Then we can find that
If the sides of the rectangle are a and b,
Area=ab=3200^2
If the side with a ft cost $2/ft and side with bft costs $2/ft
Then,
Cost = 2*2*a+2*1*b=4a+2b
At minimum cost (or critical point), the derivative of cost =0
From area, b=3200/a
Using cost equation
C=4a+2*3200/a=4a+6400/a
First derivative with respect to a;
C'(a)=4-6400/a^2=0
Then, a=+/-40 The negative value is rejected. Therefore, a=40 ft and b=3200/40= 80 ft.
Therefore, a=40 ft and b=80 ft to minimize the fencing cost.
Answer:
B
Step-by-step explanation:
You cannot have two or more domains.
'
3 appears twice and is located in the x axis, which is basically the domain.
Hope this helps
I feel like some information is missing here.
4 out of 5 games is 80%:
So if we know, as a rule that "<span>Joel scores in 80% of his games.", the probability that he will score in 80% of his games is 1 - that is, we know it for sure</span>