summation from k equals 1 to 5 cosine k pi
= Cosine 1*∏ + Cosine 2*∏ + Cosine 3*∏ + Cosine 4*∏ + Cosine 5*∏
= -1 + 1 + -1 + 1 + -1
= -1
Answer:
One forth of 20 is 5, so there are 5 kindergarten and first grade classrooms.
5 x 2 is 10 so there are 10 second and third grade classrooms.
10 + 5 is 15.
20 - 15 is 5.
There are 5 forth and fifth grade classes.
Step-by-step explanation:
Answer:
x > 56
Step-by-step explanation:
x/8 - 13 > -6
x/8 > 7
x > 56
The rate of change is the change in Y over the change in X.
Rate of change = (-5 - 0) / (-2 - -3)
Rate of change = (-5 ) / (-2+3)
Rate of change = -5 /1
Rate of change = -5
Answer:
the question is incomplete :-')
