<span>Kingdom, </span><span>Phylum, </span><span>Class, </span><span>Order, </span><span>Family, </span><span>Genus, and </span><span>Species are the six kingdoms of life.</span>
Answer:
45 km/hr
Explanation:
total distance = 90
Increased speed = x+15
90/x - 90/x+15=1/2
90(1/x - 1/x+15)=1/2
90(x+15-x/x^2+15x)=1/2
equation is:
x^2+15x-2700=0
x^2+60x-45x-2700=0
x(x+60)-45(x+60)=0
(x+60)(x-45)=0
x= -60, x=45
reject the negative value = -60
usual speed=45 km/ hr
Answer:
Parents and infants usually sleep with a light covering on hard surfaces
Explanation:
As we know that a newborn baby don,t have a sense of sleep. they sleep around the clock and their little stomach doesn't hold enough breast milk to keep them satisfied for a long time that creates a problem in the sleep cycle of infant ads well as parents.
<u>There are certain types of the way how a baby should sleep:
</u>
- Always place your baby on his her back to sleep not on stomach or side
- Don't put anything else in the crib or bassinet.
- Put baby to sleep with a pacifier.
