Answer:
19+19= x
So x, is 38. Just add 19 and 19
Answer:
(√6 - √2)/4
Step-by-step explanation:
cos30°cos45° - sin30°sin45°
= cos (30 + 45)°
= cos 75°
= (√6 - √2)/4
This differs on what number you want to talk about. 1 is the hundreds, 8 is the tenths, 7 is the ones.
I think the answer 5 over 2