Answer:
see below
Step-by-step explanation:
The equation of a circle can be written as
( x-h) ^2 + (y-k) ^2 = r^2
( x-3)^2 + (y+4) ^2 = 36
Rewriting this equation
( x - 3)^2 + ( y - -4)^2 = 6^2
The center is at (3,-4) and the radius is at 6
Susan did not use the formula correctly.
It is x-h and y-k so she needed to rewrite to get the equation in the proper form
Also the radius is r^2 not r/2
Answer:
The length of arc is 7.85cm
Step-by-step explanation:
You can find the length of arc by using the formula :
θ = 90°
r = 5cm
Arc = (90/360)×2×π×5
= (1/4)×2×π×5
= (1/4)×10×π
= (5/2)π
= 7.85 cm (3s.f)
13.08x12 =156.96. All you have to do is multiply
Answer:
(-3,3)
Step-by-step explanation:
the second number is the y value and determines the up and down and so if you then subtract the 2 you went up it's (-3,3)
Given that among the 100 students, 10 are left-handed, the probability of picking a left-handed out of the class is approximately equal to 10/100 or 10%. If two are selected at random, the possibilities are that: (1) two are left-handed, (1) one is left-handed and the other is not, (3) none of them is left-handed.
