Answer:
109
Step-by-step explanation:
line AB is 180 degrees because a circle is 360 degrees and half a circle is 180 degrees.
Add 42 degrees and 29 degrees. 42+29 = 71
Then subtract. 180 - 71 = 109
So therefore
Hope this helps:)
Find the area of the triangle.
2 answers:
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Answer:
a)20$
b)46,1$
c)0,3336
d)No concerns
Step-by-step explanation:
A) To find expected difference of cost of medical care for dogs and cats we can simply subtract average costs of cats and dogs.
Expected difference will be 20$.
B) To find the standard deviation of that difference, we need to square deviations and add them and square root it again.
Expected difference will be 46,1$.
C)We need to find the Z value to find the probability of more expensive dogs than cats in a Vet vise.
Z value of the function is -0,434
From the Z table that you can find at the attachment. The probability is %33,36 or 0,3336
D) This is a subjective part. I don't have any concerns
