Answer:
1986-2510=-524
-524-420=-994
-994+712=-232
final altitude=-232
Step-by-step explanation:
-7x-3x= -10x
-10x+2=-8x-8
-10x+8x+2=-8
-2x+2= -8
-2x = -8 + 2
-2x= -6
X= -6/-2
X= 3
Answer:
1/16
Step-by-step explanation:
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The slope will be -1/2. If you put it into slope intercept form of y=mx+b, mx will always be the slope.
Let A represents the event that DVD has a video effect.
So,
P(A) = 1.5 %
Let B represents the event that DVD has a audio defect.
So,
P(B) = 0.8 %
A ∩ B represents that DVD has both audio and video defect.
So,
P(A∩B) = 0.4%
Part a)
A ∪ B represents that DVD has a video or audio defect.
P(A∪B) = P(A)+P(B)-P(A∩B) = 1.5 + 0.8 - 0.4 = 1.9%
Thus the probability that the DVD purchased by the customer has a video or audio defect is 1.9%.
Part b)
The complement of P(A∩B) will represent the probability that the DVD does not have video or audio defect.
So, the probability that DVD purchased by customer does not have video or audio defect is 1 - 0.4 = 0.96%