Answer:
20
Step-by-step explanation:
Work backwards. If -2 x 2= -4 then something plus negative four will equal 16, which is 20.
The answer is 1/20 .............
Answer:
I think the answer is hx to the power of 2
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
The length of arc AC (L) is calculated as
L = circumference of circle × fraction of circle
= 2πr × 
= 2π × 12 × 
= 2π × 5
= 10π ≈ 31.42 → C
Answer:
Therefore the value of x is

Step-by-step explanation:
Given:
which is

To Find:
x = ? using Quadratic Formula
Solution:
For a Quadratic Equation ax² + bx + c = 0 , Formula Method is given as

On Comparing with above we get

Substituting a , b , c in Formula method we get

Therefore the value of x is
