We are given the following statements
P(test positive | diseased) = .98
P(test negative | not diseased= .97
P(diseased)= 0.35
Hope this helps
By being able to pair the same things it wills simplify the question adding brackets will hwlp
10)
6y - 16 = 4y + 6
2y = 22
y = 11
11)
2x + 5x + 5 = 180
7x + 5 = 180
7x = 175
x = 25
Answer:
30
Step-by-step explanation:
The calculation is in the image
<h2><u>Direct answer</u> :</h2>
Width of the enlarged photograph = 14 cm
<h2><u>Steps to derive the correct answer</u> :</h2>
Length of a small photograph = 6 cm
Width of a small photograph = 4 cm
Length of the photograph when enlarged = 21 cm
Let the width of the photograph when enlarged be x.
Which means :






Thus, the value of x = 14
Therefore, the width of the enlarged photograph = <u>14 cm</u>