P(red bead) = 1/8
P(white bead) = 1/8
P(red bead) = 1/8
P(red,white,red) = 1/8 * 1/8 * 1/8 = 1/512 <==
Hmm i think i know this answer my calculater tells me that the answer would be in red
We have that
(x + 3)² = -20(y − 1)
<span>This is actually the vertex form, so we can obtain the vertex already
</span>the vertex is the point (h,k)------------> (-3,1)
4p=-20------------> p=-5
Focus is at (-3,1-5)---------> (-3,-4)
Directrix is at <span>y = 1-(-5)----------> y=6
</span>
the answer is
the directrix is y=6
see the attached figure
Answer:
y²z²-x²
3*3*4*4-2*2
3*16-4
48-4
44
Step-by-step explanation:
* means multiply