Answer:
Have you ever worried about climate change? So let's start at home. Your challenge will be to explain with a text and a drawing an action with which you will contribute, from your daily work, to achieving the selected Sustainable Development Goals. Think of some habits that may not contribute to caring for the environment. Which are? Record your answer by taking a note or recording an audio.
Answer:
Explicație pas cu pas:
5.
(2√20 - 3√45) : 5√5 = 2√20 : 5√5 - 3√45 : 5√5
= 2√4/5 - 3√9/5 = 4/5 - 9/5 = -5/5 = -1
_____________________
6.
a = 2√24 = 2*2√6 = 4√6
b = 9√6
a*b = 4√6*9√6 = 4*9*6
Mg = √a*b = √4*9*6 = 2*3√6 = 6√6
Answer:
لا شيء أفهمه بهذه اللغة لول
