The round base of a copper tea kettle has a diameter of 18 centimeters. What is the base's circumference?
1 answer:
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ANSWER
T(-2,1)
EXPLANATION
Let T(a,b) be the coordinates.
When this point is rotated 90° counterclockwise about the origin,
Then,
If this point is then translated using the rule;
then,
It was given that, T"(-2,5)
This implies that,
-b-1=-2
-b=-2+1
-b=-1
b=1
a+7=5
a=5-7
a=-2
Therefore the coordinates of T are:
(-2,1)
Answer:
Step-by-step explanation:
In order to find the answer we need to calculate the directional derivative:
The gradient of f is:
The unit vector can be found as:
The directional derivative at the point is:
Finally, the problem tell us that the point moves a distance of 0.1 units. Hence f(x,y,z) will move: