If ethan has 109 points and he spends 52 out of his 109 points how many will he have
2 answers:
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Answer:
Step-by-step explanation:
<u>Formula for circumference of a circle is</u>:
Circumference =
<em>Given circumference of the ring is </em>
<em>Now solving for the radius gives us:</em>
We know that area of a circle is , substituting the value of r we found, we get the area as:
area (A) =
Hence the Area (A), in terms of is
Answer:
Step-by-step explanation:
For this exercise it is important to remember the multiplication of signs:
In this case, given the following expression:
You can idenfity that both factors are negative. Then, the product (The result of the multiplication) will be positive.
Then, in order to get the product, you need to multiply the numerator of the fraction by -8. So, you get:
You can notice that the numerator and the denominator of the fraction obtained cannot be divided by the same number; therefore, the fraction cannot be simplified.