We have the following vectors:
u = (a, b)
v = (c, d)
We observe that the vectors form an angle of 90 degrees.
Therefore, the product u.v is equal to zero.
We have then:
u.v = (a, b). (c, d) = 0
u.v = ac + bd = 0
ac = -bd
Answer:
B) ac = -bd
F(3) = 18...true
f(-3) = 6...true
f(-22) = -56...false
f(-12) = -12...true
f(-1) = 11...false
Answer:
6 m
Step-by-step explanation:
a squared + b squared = c squared
8 squared plus ? squared = 10 squared
64 + ? = 100
100 - 64 = 36
the square root of 36 is 6
The cities are 14.7 inches apart on the map.
An inch on the map is 10 miles on the ground. That is what a scale of 1 in : 10 miles means.
If a distance is 147 miles on the ground therefore, on the map it will be:
= Distance on map / conversion factor
= 147 / 10
= 14.7 inches
The distance between the two cities on the map is 14.7 inches.
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Answer:
C
Step-by-step explanation:
because density equal all the rest
