Mathematics
Mathematics, 15.12.2020 14:00, jarryd4202

W pewnej klasie liczba chłopców stanowi 75% liczby dziewcząt. Chłopców w tej klasie jest o 4 mniej niż dziewcząt. Ile osób liczy ta klasa?

1. Wyznacz niewiadomą.
2. Ułóż równanie.
3. Rozwiąż równanie.
4. Wykonaj sprawdzenie.
5. Napisz odpowiedź.

answer
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 18:30, mauralawson
Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =
Answers: 1
image
Mathematics, 21.06.2019 18:30, nickname0097
Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?
Answers: 1
image
Mathematics, 21.06.2019 19:00, sayrieee
Ineed i been stuck on this question since yesterday
Answers: 1
image
Mathematics, 22.06.2019 03:00, amahar4000
Which is the factored form of the polynomial p(x) shown here?
Answers: 1
Do you know the correct answer?
W pewnej klasie liczba chłopców stanowi 75% liczby dziewcząt. Chłopców w tej klasie jest o 4 mniej...

Questions in other subjects:

Konu
History, 04.08.2019 01:30
Konu
Mathematics, 04.08.2019 01:30