A pump fills a pool at a constant rate. At the end of 21 minutes it has filled 7 gallons of water. Which table represents the re
lationship between the number of minutes and the number of gallons of water in the pool?
1 answer:
Answer:
B.
Step-by-step explanation:
cuz you take 21 divide by 7 equals 3. 33 divided by 3 equals 11
i hope this is right!!! :)
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Answer:
52 green, 15 orange
Step-by-step explanation:
g + o = 67 g = green, o = orange, x = total
g = 3o + 7
use substitution: (3o + 7) + o = 67
solve for o:
4o + 7 = 67
4o = 60
o = 60/4 = 15
solve for g:
g + 15 = 67
g = 52
Answer:
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Step-by-step explanation:
Answer:
34 and 17
Step-by-step explanation:
x+y=51
2y=x
2y+y=51
3y=51
y=17
2(17)=x
x=34
Answer:
.9 or 90%
.1 or 10%
Step-by-step explanation:
E= Exam
P=Paper
E= .71
P= .45
E∩P=.26
A.) E∪P=?
E∪P= E+P-E∩P
.71+.45-.26= .9
B.) E'∩P' = (E∪P)'
(E∪P)' = 1-.9 = .1
Answer:
<h2>A</h2>
Step-by-step explanation:
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