Answer:
a = 4
Step-by-step explanation:
Ez, I did it where 6a - 3a which is just 3a and added the 21 to the other side. So now it is 12 = 3a which is simply 4.
Answer:
1/2 of the figure is shared
Step-by-step explanation:
From the attachment, 4 out of the 8 squares are shaded
The center square which makes it the 9th is subdivided into 9 squares again.
The pattern of division continues indefinitely.
In every subdivision, 4 squares are shaded leaving the other 4 squares white while the 9th(center square) forms another subdivision.
Therefore, it can be concluded that 1/2 of the figure is shaded.
Answer:
Step-by-step explanation:
Answer:
The last one: deciliters to hectoliters.
Step-by-step explanation:
Answer:

Step-by-step explanation:
we know that
The compound interest formula is equal to
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest in decimal
t is Number of Time Periods
n is the number of times interest is compounded per year
in this problem we have
substitute in the formula above
