Answer:
x = 106°
Step-by-step explanation:
sum of interior opposite angles of a triangular is equal to a exterior angle
= x +22= 40 +88
= x = 128- 22
x = 106 °
hope this answers will be helpful for you and plzzz mark my answer as brainlist plzzzz vote me also.....
Answer:
350
Step-by-step explanation:
you just have to subtract ibthink
Alright, so we'd use the combinations with repetition formula, so we choose from 4 schools to distribute to and distribute 8 blackboards. It's then
( 8+4-1)!/8!(4-1)!=11!/(3!*8!)=165
For at least one blackboard, we first distribute 1 to each school and then have 4 blackboards left, getting (4+4-1)!/4!(4-1)!=7!/(4!*3!)=35
I hope this helps you
18c-27d
9×2c-9×3d
9 (2c-3d)
