20 because 10 times 2 equal 20
To convert a fraction to a decimal you move the decimal point two spaces to the left
Answer:
a= -6
Step-by-step explanation:
Try Photo Math! Step by step instructions to help you understand math better!
There are several information's already given in the question. based on those information's, the answer can be easily deduced.
a. It is already given that 1% are defective. It is required to find the number that is needed to be checked to get 5 defective products.
Then
1% of X = 5
0.01X = 5
x = 5/0.01
= 500
b. <span>σ = square root [(<span><span><span><span>n^2</span>−1)/</span>12]
= square root [(250000 - 1)/12]
= square root [249999/12]
= square root (20833.25)
= 144.34
= 144
I hope the procedure is clear enough for you to understand. I also hope that this is the answer that you were looking for and the answer has actually come to your desired help.</span></span></span>
Step-by-step explanation:
2w+3(2w)=30
8w=30
w=3.75
l=11.25