Answer:
Step-by-step explanation:
<em>1).</em>
(a). Yes, the graph is linear.
(b). Rate of change is a slope m, m = (60 - 80) / (10 - 0) = - 2
<em>2).</em> Graph is not proportional, because y-intercept is (0, 80) and not (0, 0)
https://youtu.be/QnydfcNVJoQ
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Answer:
D
Step-by-step explanation:
KL is divided in two congruent segment
KL = 15 * 2 = 30
so JM = 30
Answer:
Step-by-step explanation:
The speed one (c) is a red herring. Nothing we can see measures her speed.
The only graph that could possibly represent the right answer is D (first graph from the right). It shows that she topped 1/2 way up. It also shows that she took her time about coming down when she was at the top.
The only thing we don't know is A. What's on the vertical axis?
Answer: Tom's solution is incorrect.
Step-by-step explanation:
When you add 3/6 + 1/2 it equals ?.
3 + 1 = ?
6 + 2 = ?
We must have common denominators to do this problem.
So we must have 6 as our common denominator.
So 2 x 3 = 6. But we have to do the same to the Numerator.
So 1 x 3 = 3.
Now our problem is 3/6 + 3/6 = ?
3 + 3 = 6/6. Or 1
1 does not equal 4/12 or 1/3. So it makes it Incorrect.
What you should say:
Tom is incorrect, it is because 3/6 + 1/2 = 1, 1 does not equal 4/12 or 1/3. So, it makes it reasonable for the correct answer to be Incorrect
