Answer:
x² + y² = 9
Step-by-step explanation:
The equation of a circle centred at the origin is
x² + y² = r² ← r is the radius
Here r = 3, hence
x² + y² = 3² ⇒ x² + y² = 9
Answer:
c
Step-by-step explanation:
Answer:
Step-by-step explanation:
convert the expression
calculate
answer: 35/8, 4.375
A line perpendicular to that straight line passing through that point
Answer:
0.24999999 as a fraction equals 24999999/100000000
Step-by-step explanation:
To write 0.24999999 as a fraction you have to write 0.24999999 as numerator and put 1 as the denominator. Now you multiply numerator and denominator by 10 as long as you get in numerator the whole number.