Answer:
pi / 4
Step-by-step explanation:
Circumference = 2pi(R)
pi = 2pi(R)
pi / 2pi = R
1/2 = R
Area= pi(R)^2
A = pi(1/2)^2
A= pi/4
Answer:
93
Step-by-step explanation:
89+2²
square 2 first
89+4
then add 4
93
Answer:
wait is it y=20x + 40y = 30x+ 10
or y= 20x+ 40 y= 30x + 10
I cant really help you otherwise sorry when you clarify it i will edit the correct answer in
Answer:
Step-by-step explanation:
<u>As per question ΔCED is right triangle:</u>
<u>Use Pythagorean to find EC:</u>
- EC =
- EC = cm
Answer:2x3+12x2+10x−24Explanation:The product of these expressions 'means' to multiply them. hence : (x + 3 )(2x2+6x−8) Each term in the 2nd bracket must be multiplied by each term in the 1st.This can be achieved as follows.x(2x2+6x−8)+3(x2+6x−8[2x3+6x2−8x[6x2+18x−24]=2x3+6x2−8x+6xx−24 collect 'like terms'=2x3+12x2+10x−24 is in standard form