Answer:
A certain element has 25 protons.
Step-by-step explanation:
Please mark brainliest
Step-by-step explanation:
after rationalising we get as b)19
multiply 3√3+2√2 on numerator and denominator
7(3√3+2√2)/(3²*3-2²*2)
7(3√3+2√2)/27-8
7(3√3+2√2)/19
so denominator is 19
Answer:
its -160
Step-by-step explanation:
:)
Answer:
35
Step- by- Step Explanation
Answer:
thanks i guess
Step-by-step explanation:
