Answer:
<em>The actual width of the hair is 20 / 150 = 0.13 mm</em>
Step-by-step explanation:
<u>Scaling</u>
Objects can be represented in a reduced or augmented size by using scaling which is basically multiplying or dividing by a constant factor. We use scaling in several applications of real-life.
The human hair is magnified 150 times by a micro-phtograph. This is the scale factor.
The hair can be seen 2 cm wide in the photograph.
Converting to millimeters, 2 cm = 2*10 = 20 millimeters.
The actual width of the hair is 20 / 150 = 0.13 mm
Answer:
Step-by-step explanation:
Answer:
6x*2-3x*2y
4p-18
Step-by-step explanation:
Answer:
45(1+2)
Step-by-step explanation:
Looking at you options, you can see that 45 is your Greatest common factor (GCF)
45 X 1 = 45
45 X 2 =90
45(1+2)
Answer:
10/3
Step-by-step explanation:
-3-5/6/5/2=-10/3
decimal 0.33333 reaccuring
