Answer:
A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 49 is 7. Therefore, the square root of 49 is an integer, and as a consequence 49 is a perfect square.
Step-by-step explanation:
Answer:
both triangles area:
4.2 x 8.2 = 34.44
you don’t need to divide by two cause there’s two triangles anyways.
also, you get 8.2 by subtracting the total length by the top length. (13.5-5.3)
rectangle:
4.2 x 5.3 = 22.26
the total area is 56.7cm squared
Answer:
75
Step-by-step explanation:
When you normally find a percentage of something you multiply. So, if you do the reverse operation, or divide, you'll get your answer.
18/24% is 75. And when you double check this by multiplying 75 by 24% you get 18. So, the bag of skittles <u>had</u> a total of 75 skittles.
Answer:
12. x = 48
13. x = 7
Step-by-step explanation:
x/6 = 8
x = 8*6
x = 48
28 = 4x
28/4 = x
x = 7