pinkston

3 Questions
1 Answers

0

8

2

+15

Find the number of positive integers that satisfy both the following conditions: Each digit is a $1$ or a $2$ The sum of the digits is $8$

Find the number of positive integers that satisfy both the following conditions:
Each digit is a 1 or a 2
The sum of the digits is 8

pinkston Sep 24, 2023

0

23

2

+15

i need help

My square patio is tiled with square tiles, all the same size. All the tiles are gray, except the tiles along the two diagonals, which are all yellow. (The corners are yellow, the center is yellow, and all the tiles along the diagonal in between are yellow.) read more ..

pinkston Sep 24, 2023

+1

31

1

+15

Six children are each offered a single scoop of any of $3$ flavors of ice cream from the Combinatorial Creamery. In how many ways can each c

Six children are each offered a single scoop of any of 3 flavors of ice cream from the Combinatorial Creamery. In how many ways can each child choose a flavor for their scoop of ice cream so that some flavor of ice cream is selected by exactly three ch read more ..

pinkston Sep 10, 2023

+15

+1

3w/2=18

so we multiply 2 by both sides:

(3w/2)*2 = 18*2

then:

3w = 36

so 36/3=12

answer: w=12

pinkstonSep 11, 2023