<h2>
Answer:</h2>
The time taken by wheel to complete one turn is:
40 sec
<h2>
Step-by-step explanation:</h2>
We are given a function h(t) that models the height in feet of a piece of cloth tied to a waterwheel in relation to sea level as a function of time, t, in seconds as:
Now we are asked to find the time it will rake to complete one turn.
i.e. we are asked to find the period of the given cosine function.
We know that for any cosine function of the type:
The period is given by:
Hence, here the period is:
Hence, the answer is: 40 sec.
Since each barber works 8 hours per day, it means that the barber shop conducts 112 haircuts in 8 hours. This means that it conducts
cuts per hour. Every barber can conduct two haircuts per hour. This means that a generic number 
of barbers conducts 
cuts per hour. But we already know that the shop conducts 14 cuts per hour, so the number of barbers is given by
Answer:
The one which is frequently used is
<em><u>SAS</u></em> criteria for congruency of triangles
Step-by-step explanation:
If_ any _two _sides_ and _angle_ included_ between_ the _sides _of one triangle are equivalent to the corresponding two sides and the angle between the sides of the second triangle, then the two triangles are said to be congruent by SAS rule.
If she paints 7/8=7/6 hrs
? =1 hr
1/(7/6)*7/8=3/4
Therefore she can paint 3/4 of the wall in an hour
1/3 hope this help you
Step-by-step explanation:
can i get a heart
