A. Translate the following English phrases/sentences into Mathematical expressions/sentences.
1. The sum of three numbers divided by its product
2. Two-thirds of a number y added to the square of x is thirteen.
3. The circumference of a circle is equal to twice the product of its radius and pi.
4. The product of the sum and difference of two numbers is equal to the difference of its squares
5. Half the sum of a number x and y added to the square of z
1. The sum of three numbers divided by its product
2. Two-thirds of a number y added to the square of x is thirteen.
3. The circumference of a circle is equal to twice the product of its radius and pi.
4. The product of the sum and difference of two numbers is equal to the difference of its squares
5. Half the sum of a number x and y added to the square of z
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Answer:
1. (a + b + c)/(abc)
2. (2/3)y + x^2 = 13
3. 2πr = 2rπ
4. (a + b)(a - b) = a^2 - b^2
5. (1/2)(x + y) + z^2