Answer:
If an object moves along a straight line, the distance traveled can be represented by a distance-time graph. In a distance-time graph, the gradient of the line is equal to the speed of the object. The greater the gradient (and the steeper the line) the faster the object is moving.
Step-by-step explanation:
Answer: A hypothesis is like a prediction
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Answer:
200 soldiers stand in a straight row.
Beginning from the left, the soldiers call out: 1, 2, 3, 4, 5, 1, 2, 3, 4, 5,
1, 2, 3, 4, 5,
Following that, the soldiers call out from the right: 1, 2, 3, 4, 1, 2,
3, 4, 1, 2, 3, 4,
How many soldiers call out the same number?
Y= -2/3x+4/3 represents a linear function
