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Answer:
1 5/12
Step-by-step explanation:
First, take 4 and subtract the 3. This leaves you with 1.
Second, take 2/3 and 1/4 and find the least common denominator. In this case, the LCD would be 12.
Now, take 2/3 and and multiply it by 4. You get 8/12. Take 1/4 and multiply it by 3. You get 3/12.
Now that both numbers have a common denominator, you can subtract the numerators. So, 8/12 - 3/12 leaves you with 5/12. Now you have your answer of 1 5/12.
Answer:
Step-by-step explanation:
The formula of a volume of a prism:
B - base area
H - height
In the base we have the equilateral triangle. The formula of an area of an equilateral triangle with side a:
Substitute a = 5:
H = 6.
Calculate the volume:
The formula of a Surface Area:
B - base area
P - perimeter of a base
H - height
Calculate P:
Substitute: