1. Start with the expression: 2(n + 8)
2. Substitute the starting number 7 for n: 2(7 + 8)
3. Add 7 and 8: 2 \times 15
4. Multiply 2 and 15: 30
The final number is 30.
Frequently asked questions (FAQs)
Math question: The sides of a triangle are 5 cm, 8 cm, and 10 cm. Find the area of the triangle using Heron’s Formula.
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What is the median of the data set {10, 20, 30, 40, 50, 60, 70, 80, 90, 100}?
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Math question: In a right triangle, if the measure of one acute angle is 35°, and the hypotenuse has a length of 10 units, find the length of the side opposite to the 35° angle.