Answer:
the answer is c)
Step-by-step explanation:
the reason is 5*6 would be 30 and if you were to add 3 more zero's, it would be 3000 and 1/10 of 600 is 60 so 60*2 is 120 which is where you het the 120 so you add it up and it's 3,120
Answer: thanks for the points
Step-by-step explanation
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Also hiiiiiiiiii
Okay, so the rate is 1 job / hours, so:
1/3 + 1/7 (This covers both their work rates) = 1/n (n represents the time it take for them to work together)
Get the LCD:
7/21+ 3/21 = 1/n
10/21 = 1/n
Cross multiply:
10n = 21
n = 2.1
It will take them 2.1 hours, or 2 hours and 6 minutes
Answer:
.26
P(C) = .6*.3 + .4 *.2
= .18+.08
= .26
Step-by-step explanation: