what is the average cost of 7 articles if 3 of them cost 30k each and the rest cost 12.5k each
TOTAL NUMBER OF ARTICLE= 7
ARTICLES FOR 30K = 3
ARTICLES FOR 12.5K = 7-3= 4
Average cost of 7 articles
Answer:
C
Step-by-step explanation:
C allows you to add 52 plus x to equal the WHOLE thing which is 170
Answer:
x^2 / 25 + y^2 / 9 = 1
Step-by-step explanation:
The major axis is along the x axis and the minor axis is on the y axis.
Major axis = 2a = 5--5 =10 so a = 5 and a^2 = 25.
Similarly b^2 = 3^2 = 9.
Answer:
60
Step-by-step explanation:
220*2 = 440
+ 220/2 = 550
Answer is 160
explanation: add all of them up and divid by how many numbers are in the data set
74+81+77+88=320
then divid 320 by 4 =160
