4 years ago

What is the LCD of 1/2 and 3/5? A.2 B.7 C.10 D.20

Mathematics

2 answers:

sashaice [31]4 years ago

8 0

The least common denominator is 10.

10 / 2 = 5
10 / 5 = 2

There isn't a smaller number that 2 and 5 can get into.

Tcecarenko [31]4 years ago

4 0

The answer is C hope you get a A++++++ on this test and have a great day :D

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Raymond needs to cover the entire surface area of the square based pyramid with paper what is the minimum amount of paper he wil

ra1l [238]

Answer: 408 sq ft

Step-by-step explanation: You would need to use the surface area formula SA = 1/2LP + B. Note that L is the slant height, P is the perimeter of the base, and B is the area of the base. 11 is the slant height as shown in the image above, p is 48 since you add 12 + 12 + 12 + 12, and the area of the square will be 144 since 12*12 = 144. Once you substitute the numbers in their correct place, you should get SA = 1/2 (11)(48)+144 which gives you 408 sq ft. Hope this helps!