Step-by-step explanation:
Hi, I think correct variant is B
(28÷7)+7=4+7=11
9 because the square root of 81 is 9
Answer:
(√6 - √2)/4
Step-by-step explanation:
cos30°cos45° - sin30°sin45°
= cos (30 + 45)°
= cos 75°
= (√6 - √2)/4
0.018 will be 18/1000 = 9/500
Answer:
two
Step-by-step explanation:
due to the cordnets of eqation