10. 8 divided by 4 is 2 times 2 is 4 8 plus 6 minus 4 is 10
<span>A radius of a circle is perpendicular to a chord if and only if it bisect the chord.</span>
Hello There!
You would have to do work out 2 to the fourth power.
Also, 3 x 4.
The rules of powers are:
If you have to multiply, you add them
If you have to divide, you subtract them
If they are in brackets like this ^^, you multiply them.
Therefore, your answer is
Hope This Helps You!Good Luck :)
- Hannah ❤
Answer:
0.67 cm/s
Step-by-step explanation:
The area of a square is given by :
....(1)
Where
x is the side of a square

Differentiating equation (1) wrt t.

When A = 81cm², the side of the square, x = 9 cm
Put all the values,

So, the length of the side of a square is changing at the rate of 0.67 cm/s.