So chance to get a black pen: 4/10=2/5
Chance to get a red pen: 1/10
Chance for the two happened at the same time
2/5 * 1/10 = 2/50=1/25

I think... I’m not very sure though

6 0

3 years ago

Use the formula P = 2l + 2w to find the length of a rectangle whose perimeter is 57 inches and whose width is 13 inches.

kvv77 [185]

The length is going to be 15.5. Please message me if you want the explanation

4 0

3 years ago

PLS HELP ONLINE SCHOOL!! I DONT GET IT

lapo4ka [179]

Answer:

1:1

Step-by-step explanation:

They look exactly the same so they would equal each other

8 0

4 years ago

Maggie only have 1/2 cup and 1/4 cup measuring name two ways you could use measured the brown sugar for the cake ​

Maggie only have 1/2 cup and 1/4 cup measuring name two ways you could use measured the brown sugar for the cake