كتلة آنية فارغة هي 2,350kg إذا ملأها أحمد بالماء تصبح u
کتلتها 19kg و إذا ملأها بالرمل تصبح كتلتها 70,615kg .
علما أن الكتلة الحجمية للماء في هذه التجربة هي 3kg
/
dm3.
1- أحسب الكتلة الحجمية للرمل ؟​

Add or subtract polynomial : –12qr? +13rq?

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.