Please Help image below with question
2 answers:
Answer:
402 cm.
Step-by-step explanation:
To find this, we will need to calculate the circumference of the reel. We can do this using the formula .
Since the radius is 4 cm, the diameter is 8 cm. Put this into the equation to solve for the circumference:
Since the reel spun 16 times, simply multiply the circumference by 16 to get:
25.12 × 16 = 401.92
≈ 402 cm.
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Given:
Dividing a number by 2 always results in a smaller number.
To find:
The counterexample to the given claim.
Solution:
If 0 is divided by is divided by any non-zero real number , then
Let us consider the unknown number be 0. Then dividing a number by 2, we get
Here, the result is not a smaller number because .
Therefore, the counterexample to the given claim is "Dividing 0 by 2".