Answer:number of rows =10
number of places in row = 17
Step-by-step explanation:
number of rows =N
number of places in row = N+7
N(N+7)=170
N^2+7n-170=0
(N+17)(N-10)=0
N1=-17
N2=10
We can`t take negative value for quantity of smth so we throw N1 away
From that number of rows =10
number of places in row = 10+7=17
Answer:
b
Step-by-step explanation:
sorry if wrong dont report
The average rate of change is 12.
27 - 3 = 24.
1 - (-1) = 2 [it’s essentially 1 + 1].
24/2 = 12.
Answer:
49
Step-by-step explanation:
cos(x)=31/47
x=cos^-1 (31/47)
Eccentricity = foci / half the length of the major axis
= 3.5 / 14 = 1/4
