fffcc4809 fffcc4809

07-04-2018
Mathematics

contestada

What is the minimum number of selections from the set { 1, 3, 5, 7, 9, 11, 13, 15 } that we need to guarantee that at least one pair of those numbers adds up to 16?

Respuesta :

sqdancefan sqdancefan

07-04-2018

Perhaps I don't understand the question. You only need to choose one pair that adds to 16, any of {1, 15}, {3, 13}, {5, 11}, {7, 9}.

You can choose up to 4 numbers without getting a pair that adds to 16, so if you choose any 5 numbers, at least one pair of them will add to 16.

Answer Link

Otras preguntas

Though stories of Lao Tzu and his writing have passed down through Chinese philosophical schools for over 2,000 years, in reality the Tao Te Ching is likely a c

All of the following elements make Southeast Asia an ideal location for growing rice except its

A ball is thrown down from a certain height. The potential energy of the ball at the point it was released is 718 J. The initial kinetic energy the ball had as

1. How many grams of dextrose are in 500 mL of a 7% solution? 2. If there are 8 g of medication in 250 mL of solution, what is the percent strength? 3. If you u

If the partial pressures of the three gases in the tank are 35 atm of O2, 5 atm of N2, and 25 atm of He, what is the total pressure inside of the tank?

Culture is characterized by what? Group of answer choices beliefs values biases and their resultant behavior all of the abovea) Beliefsb) Valuesc) Biasesd) Resu

700965433213456789000986542111234567890098765432745632145896521696 divided by 9876543212345678888888888888888890741852963852741123456789963852741

What is the average gravity of a black hole?

She smiled and said, "Hi, Victor.” He smiled back and said, "Yeah, that's me.” His brown face blushed. Why hadn’t he said, "Hi, Teresa,” or "How was your summe

QUESTION 1 1.1. The sequence 4; a; b;18 is such that 4; a and b form an arithmetic sequence and a;b and 18 form a geometric sequence. 1.1.1. Using the common di