The is answer E, you have to search for -3 in the x line than search for -2 in the y line
Answer:31557600
Step-by-step explanation:
3600 x 24 x 365.25
Which equal 31557600
Answer:
Times 10 magnify
Step-by-step explanation:
Make a ratio, then cross multiply.
4/30=x/48
30x=4x48
30x=192
x=6.4
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
