Презентация, доклад Задачи олимпиадного характера

– 5,
y = x + 2,
and y = kx – 12
to intersect in a single point?

a fantasy novel during each break. He never reads during or after classes. He goes to school five days a week, sitting 28 classes weekly. Last week he has read a total of 78 pages during breaks.
Find the number of breaks during which Roma has read four pages.

below its original price, and sold it at 25% below its original price.
Calculate the percentage of acquired profit.

many,” the philosopher responded, “one half studies mathematics, one quarter studies music, one seventh remains silent, and aside from that, there are three women.
Calculate for yourself how many students I have.”

her nest.
The squirrel runs at 3 m/s with the nut, and at 5 m/s without the nut. How far is the nut tree from the nest?

two polynomials with whole coefficients.