To find how much space Robert will have left for his presentation, we need to find the area of the 10 squares and subtract it from the total area of the poster board.
The area of one square is found by taking the side length, s, and squaring it.
So, the area of one square is 7^2 = 49 square inches.
To find the area of 10 squares, we multiply the area of one square by 10.
10 * 49 = 490 square inches.
Now, to find how much space is left for Robert's presentation, we subtract the area of the squares from the total area of the board.
720 - 490 = 230 square inches.
So, Robert will have 230 square inches left for his presentation.
Robert is preparing a poster-board presentation. He wants to make a decorative pattern with 10 squares to fill part of the poster. The area of the poster board is 720 square inches. To find how much space Robert will have left for his presentation if he uses squares with 7-inch sides, evaluate 720 − 10s2 when s = 7.(1 point)
Responses
9,940 square inches
1 answer
1 answer