The base-10 (decimal) form of a number is 23. Write up this number in base-2 (binary) form:

Determine the truth value of the following statements (true or false).

Egy háromszög 3 cm és 5 cm hosszú oldalai 60º-os szöget zárnak be egymással. Hány centiméter hosszú a háromszög harmadik oldala?

Some of the 7 participants of a birthday party clinked glasses with some others. Would it be possible that the 7 respective participants clinked glasses with 1; 2; 2; 3; 3; 6; 6 others? Explain your answer.

The geometric mean of 8 and one other positive number is 12. Give the other number.

Írd fel annak az egyenesnek az egyenletét, amely áthalad az (1; –3) ponton, és egyik normálvektora a (8; 1) vektor!

Az alábbi ábrán a [–3; 2] intervallumon értelmezett f(x) = 2|x - 1| + 3 függvény grafikonja látható. Add meg a függvény értékkészletét!

Given is the function f(x) = 2 - 3x . To which number does this function assign the value 5?

Give the sum of the degrees of the vertices in the 6-point graph shown below.

There are three children in a family. They were born two years one after the other, the sum of their ages is 45 years. How old is the oldest child?

One red and one white fair gambling dice are thrown together. What is the probability that the product of the numbers thrown is 6?

Az alábbi másodfokú egyenlet diszkriminánsa 49. Számítsd ki b értékét!