# logic

What is the least number of unit squares that you need to remove from a 5 by 3 checker board in order to make it impossible for anyone to put an "X" in 3 remaining squares to make a connected vertical, horizontal, or diagonal set of 3 (a set that looks like a "win" in a standard Tic Tac Toe game)?

1. 👍 0
2. 👎 0
3. 👁 244
1. R will be removed square, O will be remaining

ROROR
OOROO
ORORO

1. 👍 0
2. 👎 0
👨‍🏫
bobpursley

## Similar Questions

1. ### MATH

A four by four grid of unit squares contains squares of various sizes (1 by 1 through 4 by 4), each of which are formed entirely from squares in the grid. In each of the 16 unit squares, write the number of squares that contain

2. ### Career Prep

once you've graduated from college how should you update your resume remove grades of indivisional courses**** remove inferences remove special skills remove volunteer experiences am I right?

3. ### mathematics

A chunk is named after the number of squares it contains, or sometimes by its shape. For example, all the dark grey chunks are called 4-chunks and one of them is a 2 by 2 chunk. The value of a chunk is the sum of the numbers on

4. ### Algebra

A group of students is arranging squares into layers to create a project. The first layer has 6 squares. The second layer has 12 squares. Which formula represents an arithmetic explicit formula to determine the number of squares

1. ### Math

Write the ratio of the number of squares to the number of circles as shown below. (Pretend I have four circles and five squares. The # will represent circles and the @ sign will represent squares.) #### @@@@@ (A)4 to 9 (B)5:4 (C)4

2. ### mathematics

A quilter has 15 different squares made up, 8 with blue as the main colour, 4 with gold, and 3 with green. What is the total number of ways the quilter can choose 2 squares of each colour for a table runner?

3. ### math

How many perfect squares are less than or equal to 36? how many less than or equal to 144? In general how many perfect squares are less than or equal to n^2? Using all these answers, estimate the number of perfect squares less

4. ### Chemistry

The density of palladium (Pd) is 12.0 g/mL and the cell volume is 5.89 ✕ 10^−23 mL. Determine the number of atoms in the unit cell. (Because there cannot be a part of an atom in a unit cell, we must round the number of atoms

In a blueprint, each square has a side length of ¼ inch. 1 in. : 6 ft Bathroom - 6 squares Bedroom - 20 squares Living Room - 28 squares a. Ceramic tile costs \$5 per square foot. How much would it cost to tile the bathroom? \$ b.

2. ### Geometry

I need help with this. Use the Law Of Syllogism to determine a conclusion from statements 1 & 2. 1. All squares are rhombuses 2. The diagonals of a rhombus are perpendicular. What can we say about the diagonals of all squares

3. ### math

A group of students is arranging squares into layers to create a project. The first layer has 6 squares. The second layer has 12 squares. Which formula represents an arithmetic explicit formula to determine the number of squares

4. ### math

The cost, in millions of dollars to remove x% of pollution modeled by c=6000/200-2x. A) what is the cost to remove 75% of the pollutant? B) what is the cost to remove 90 % of the pollutant ? C) what is the cost to remove 99 %of