Posts by megan

Total # Posts: 854

physics
The speed of all electromagnetic waves in empty space is 3.00 × 108 m/s. What is the wavelength of visible light emitted at 7.2 × 108 MHz? Answer in units of m

Science
How do mutations lead to cancer?

Math
so 6km/hr is the answer??

Science
Thanks so you add 3+4+2.5=9.5 for distance. 25+40+30=95 9.5km/95min=0.1km/min=6 km/hr. so 6km/hr is the answer to everything or this whole problem?

Science
Help!!!!!!

Science
George walks 3 km on Monday and 4 km of Tuesday and 2.5 km on Thursday. On Monday, he walks 25 mins., Tuesday 40 mins., and Thursday 30 mins. What is his average speed? d= t= help please

chemistry
A catalytic converter combines 2.55 g CO with excess O2. What mass of CO2 forms?

math
I am sorry you are just confusing me by all these numbers!!!!!!!!!!!!

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