Answer:
=−3
Step-by-step explanation:
=17a+−37−121a+17
=21(a−3)7(−a+3)
=−3
n/4 because all it wants is a number which is expressed by n divided by 4
Answer:
y
=
x
(2)
+
10
x
+
24
Step-by-step explanation:
quadrent 3
Answer:
The actual length of 60 cm is modeled as 1 cm length.
Step-by-step explanation:
The diameter of the sweep of the main rotor of the helicopter is 18.6 meters i.e. 1860 cm.
Now, the toy model of the helicopter has a sweep of 31 cm.
Therefore, the scale in which the model is made is 1860 : 31 i.e. 60 : 1 ratio.
So, the actual length of 60 cm is modeled as 1 cm length. (Answer)