Answer:
2 molecule of hydrogen+oxygen=water
1: m<ABD = m<CBE | given
2: m<CBD = m<CBD | reflexive
3: m<1 = m<3 | subtraction
There is a percent formula for all of these types of percent problems.
It is : is/of = %/100
224 is what % of 640
is = 224
of = 640
% = x
now just sub
224/640 = x/100
cross multiply because this is a proportion
(640)(x) = (224)(100)
640x = 22400
x = 22400/640
x = 35......so 224 is 35% of 640
Answer:
vertex:(2,-4)
Focus:(2,-
)
Axis of symmetry :x=2
Directrixt: y=-
Step-by-step explanation:
Step-by-step explanation:
Hope it will help you...