Answer:
9.48 ft
Step-by-step explanation:
Step one:
given data
Naomi's square bedroom has an area of 90 square feet
Area of the room = 90 ft^2
Required
the length of the side of the room
Step two:
we know that area is
A= L^2
substitute
90= L^2
L= √90
L=9.48 ft
Answer:
35
Step-by-step explanation:
ok let's look at these old farts.
alvin is 8 years older than elga, so elga needs 8 more years to be as old as Alvin is. AKA,
Alvin = Elga + 8
The sum of their ages is 78.
Alvin + Elga = 78
Now put the equations together,
(Elga + 8) + Elga = 78
2 * Elga = 70
Elga = 35
Therefore, Elga is 35 years old! So old !!
Answer:
Step-by-step explanation:
The light-dependent reactions use light energy to make two molecules needed for the next stage of photosynthesis: the energy storage molecule ATP and the reduced electron carrier NADPH. In plants, the light reactions take place in the thylakoid membranes of organelles called chloroplasts.