10 - are defective
50 - 10 = 40 - aren't defective
![\overline{\overline{A}}= 40 \\ \\ \overline{\overline{\Omega}}=50 \\ \\ P(A)=\dfrac{\overline{\overline{A}}}{\overline{\overline{\Omega}}}=\dfrac{40}{50}=\dfrac{80}{100}=80\%](https://tex.z-dn.net/?f=%5Coverline%7B%5Coverline%7BA%7D%7D%3D%2040%20%5C%5C%20%5C%5C%20%5Coverline%7B%5Coverline%7B%5COmega%7D%7D%3D50%20%5C%5C%20%5C%5C%20P%28A%29%3D%5Cdfrac%7B%5Coverline%7B%5Coverline%7BA%7D%7D%7D%7B%5Coverline%7B%5Coverline%7B%5COmega%7D%7D%7D%3D%5Cdfrac%7B40%7D%7B50%7D%3D%5Cdfrac%7B80%7D%7B100%7D%3D80%5C%25)
The probablity is 80%.
Answer: (5,10)
Step-by-step explanation:
multiply first equation with 2 and add it to second to eliminate X
7x-5y=-15 //*2
14x-10y=-30
-14x+7y=0
----------------
-3y=-30
y=-30/-3
y=10
7x=50-15
7x=35
x=35/7
x=5
Answer: $80.44
Step-by-step explanation:
First of all, find 20% of 78.86, which is approximately 15.77.
Then, add it to the cost of the meal.
Finally, discount 15% of 94.63, which is approximately $14.19, and then subtract it from $94.63, and there's your answer.
Answer:
24 square feet
Step-by-step explanation:
If the area of the rectangle is square yards then the area in feet would be 24 because there are 3 feet in a yard my multiply 8*3 to get 24.
Answer:
13/85
Step-by-step explanation:
'sin' is the ratio of the opposite side to the hypotenuse of the given angle in a right angled triangle.