See the attached picture:
6% = 1200
9% = 2400
12% = 3800
6% = 1200
9% = 2400
12% = 3800
What is 7 time 4 This is around 10-15 points
2 answers:
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Answer: x=7, y=-23
(7,-23)
Explanation:
(7,-23)
Explanation:
Answer: 0.01
Step-by-step explanation:
Let the events are :
C = paving stones found to be cracked.
D = paving stones found to be discolored.
Given : Total stones : T = 600 (i)
C = 15
D= 27
C'∩D'= 564 (ii)
Since C'∩D' = (C∪D)' = T- C∪D (iii)
From (i) , (ii)and (ii) , we have
564 = 600- C∪D
⇒ C∪D=600- 564= 36
Formula : C∩D= C+D- C∪D
Put values , we get
C∩D= 15+27-36=6
Now ,
The probability that it is both cracked and distorted is 0.01.