To find the distance between (-2,-3) and (4,1), Peggy's teacher drew a diagram and marked blue lines to represent the legs of a
right triangle. Peggy then used 42 and 62 to find the distance represented by the red segment. What distance did she find ?
A) 52
B) 114
C) 20
D) 25
A) 52
B) 114
C) 20
D) 25
1 answer:
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Given the equation of the parabola
The vertex of this parabola is placed at point (4,3).
If the equation of the parabola is then
The coordinates of the parabola focus are
Therefore, the focus is placed at point (4,3,75).
Answer: option D, 0.75 in. above the vertex
Answer:
0.278
Step-by-step explanation:
Given that Nuri joins a game for a car. The rule is that Nuri pick one key from box either A, B, or C. A box has two keys but only one can be used. B box has three keys but only one can be used. C box has two keys but none of them can be used.
Each box is equally likely to be selected.
In other words
If A is selected then probability of winning is using the correct key out of two keys i.e. 0.5
If B is selected then probability of winning is using the correct key out of three keys i.e. 0.333
If c is selected then probability of winning is using the correct key out of two keys i.e. 0.00
So the probability that Nuri can win the car
=