Answer:
685,000
Step-by-step explanation:
A+b+c=130
a,b,c ip cu 2,3,4
2a=3b=4c=k
a=k/2
b=k/3
c=k/4
k/2 + k/3+ k/4= 130 aducem la acelasi numitor (12)
6k+4k+3k=1560
13k=1560
k=120
a=120/2=60
b=120/3=40
c=120/4=30
12,571.4286 you subtract 1000 from the total, and divide by 7.
Answer:
c
Step-by-step explanation:
c=2*22/7r
440=44/7r
440*7/44=r
70=r
d=2r
d=2*70
d=140 cm
Answer:
2400cm^2
Step-by-step explanation:
50 * 10 = 500
(40 * 30 / 2) * 2 = 1200
30 * 10 = 300
40 * 10 = 400
Now add them all together.
500 + 1200 + 300 + 400 = 2400