Answer:
<h3> __</h3><h3>0.63</h3>
Step-by-step explanation:
7/11 = no, add 0
70/11 = 6, so 0.6, remainder is 4, add 0
40/11 = 3, so 0.03, remainder is 7, add 0
70/11 = 6... and it goes on
<h3>The answer is 0.63 bar notation on both 6 and 3</h3>
Answer:
First mechanic worked 20 hours and second mechanic worked 5 hours
Step-by-step explanation:
Let the number of hours the first mechanic worked = 
Let the number of hours the second mechanic worked = 
Therefore, we can write 2 equations and then solve them simultaneously:
Rearranging the first equation: 
and substituting into the second equation to find :
Now sub 
into the first equation to find
Therefore, first mechanic (a) worked 20 hours and second mechanic (b) worked 5 hours
Answer:
Single Blind (option 1)
Step-by-step explanation:
The subjects don't know which cream they have but the technicians do.
If the subject knows which cream they have then they can be influenced by the placebo effect. If they don't know but the technicians do then the technicians will be able to look at unbiased responses from the subjects and tell if it works or not. If the technicians don't know which cream each subject has then they won't be able to learn anything from the responses. The technicians need to know which cream each subject has and the subjects can't know which cream they had.
You can tell how many zeros an equation has by if the equation is squared, cubed... In this equation, x^2 would have 2 zeros.
Answer:
0
Step-by-step explanation:
-5 + 18 + (-12) + (-1)
-5+18-12-1
13-13
0
