Help wit 3 and 4 for brainliest
1 answer:
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Answer: Third option
Step-by-step explanation:
For this exercise it is important to remember the following:
1. By definition, the Associative property of addition states that it does not matter how you grouped the numbers, you will always obtained the same sum.
2. The rule for the Associative property of addition is the following (given three numbers "a", "b" and "c"):
Knowing the information shown before, you can identify in the picture attached that the option that illustrates the Associative property of addition is the third one. This is:
As you can notice that you will always get the same result:
Answer:
See below
Step-by-step explanation:
See the attached image. My calculation seems a bit off from what I expected, but the reasoning might help.
The paper is trailing the dropped object and a mark is made every 0.020 seconds. By measuring the difference between the dots and dividing by the time, we can calculate the average speed at the the final 2 locations. The difference in these speeds is due to acceleration, as shown in the calculation.
My result wasn't what is considered correct for Earth's acceleration of gravity, but I offer possible explanations. Please check my calculations.
Answer:
Perimeter of the board is 119.7 cm.
Step-by-step explanation:
We are given that,
Area of each square = 14 cm²
i.e.
i.e.
i.e Side = 3.74 cm
So, we get the side of each square is 3.74 cm.
Since, Perimeter of a square =
→ Perimeter of each square =
→ Perimeter of each square = 14.96 cm
<em>Since, there are 8×8= 64 squares on the board.</em>
Thus, the perimeter of the board = 8 × Perimeter of each square.
i.e. Perimeter of the board = 8 × 14.96
i.e. Perimeter of the board = 119.68 cm
Hence, the perimeter of the board rounded to the tenths is 119.7 cm.