what are the two smaller arrays for 15x7

To determine the two smaller arrays that can be formed from a 15x7 array, you need to divide the larger array into two smaller arrays.

To find the dimensions of the first smaller array, you divide the length and width of the larger array by 2, aiming for a more balanced division. In this case, the length of the larger array is 15, and dividing it by 2 gives us 7.5. Since we cannot have a decimal value for the dimensions of an array, we usually round down to the nearest whole number. So the length of the first smaller array will be 7.

For the width of the first smaller array, we follow the same process. The width of the larger array is 7, and dividing it by 2 gives us 3.5. Rounding down to the nearest whole number, the width of the first smaller array will be 3.

Therefore, the dimensions of the first smaller array are 7x3.

To find the dimensions of the second smaller array, we can subtract the dimensions of the first smaller array from the dimensions of the larger array.

Length of the second smaller array = Length of the larger array - Length of the first smaller array
= 15 - 7
= 8

Width of the second smaller array = Width of the larger array - Width of the first smaller array
= 7 - 3
= 4

Therefore, the dimensions of the second smaller array are 8x4.

To summarize, the two smaller arrays that can be formed from a 15x7 array are:
1) A 7x3 array
2) An 8x4 array