The value of X that will make this rational expression undefined would be if X = 0.
To find Jenny's age as a percentage of her great grandmother's age :
Answer:
So, if a star is moving towards Earth, it appears to emit light that is shorter in wavelength compared to a source of light that isn't moving. ... In contrast, the light from a star moving away from us seems to shift towards longer wavelengths. As this is towards the red end of the spectrum, astronomers call it redshift.
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Answer:
b)
Step-by-step explanation:
n²+n-42=0
Using mid-term break
n²+7n-6n-42=0
n(n+7)-6(n+7)=0
(n-6)(n+7)=0
Either,
n-6=0 OR n+7=0
n=6 OR n= -7
Answer:??
Step-by-step explanation:
¿A qué es igual la ecuación? x no se puede resolver sin un signo igual al final. por favor responda para que pueda ayudar! :D
