B)YES; 2:1
C)YES; 4:5
D)YES; 17:10
the triangles are below
Answer:
b
Step-by-step explanation:
x + y = 6
x = y + 2
A.
x = (x – 6) + 2
B.
x + (y + 2) = 6
C.
(y + 2) + y = 6
D.
x + y = y + 2
Answer:
0.8190
Step-by-step explanation:
The weight of Kiwi fruits is normally distributed with an average weight of 76 grams and a standard deviation of 3.6 grams.
We want to find the proportion of Kiwi fruits that have weights between 70 and 80 grams.
We find the z-scores of 70 and 80 using
For 70, the z-score is:
The area corresponding to a z-score of -1.67 on the standard normal distribution table is 0.0475
For 80, the z-score is:
The area to the corresponding to a z-score of 1.11 is 0.8665
The area between the two z-scores is 0.8665-0.0475=0.8190
Therefore the proportion of Kiwi fruits have weights between 70 and 80 grams is 0.8190