The sum of two numbers is 16 and their sum of their square is 130. find the numbers.
Answers
Answer:
The numbers are 9 and 7.
Explanation:
Let the numbers x and y.
x+y = 16 and
x²+y²= 130
x² + (16-x)² = 130
x² + 256 - 32x + x² = 130
2x² - 32x + 126 = 0
x² - 16x + 63 = 0
(x-9)(x-7) = 0
x = 9 or x = 7
y = 16-x = 7
The numbers are 9 and 7.
Addition:
The act of combining two or more items is known as addition. The process of computing the sum of two or more numbers in mathematics is called addition. It is a fundamental mathematical procedure that is frequently used in daily life. When we work with money, figure out our food bills, or figure out the time, we frequently employ addition. One-digit numbers can be added simply for solving addition problems, however for bigger numbers, we divide the numbers into columns using their corresponding place values, such as ones, tens, hundreds, thousands, and so on.
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