Answer:
ok let h square be x square
First one is $2975 and the second one is $8150
Answer:
4.8 hours
Step-by-step explanation:
The formula for half life is given as:
t½ = t × In(2)/In(No/Nt)
Where
t½ = Half life
t = time in hours = 4
No = Initial amount = 10mg
Nt = Final amount after 3 hours = 6.5 mg
t½ = 3 × In(2) /In(10/6.5)
t½ = 4.8271216522281 hours
Approximately = 4.8 hours
Answer:
In the attachment
Step-by-step explanation:
<, > - dots line
≤, ≥ - solid line
<, ≤ - shading to the left
>, ≥ - shading to the right
-----------------------------------------------------
We have x > -2
dot line x = -2
shading to the right
If cash prizes are to be avoided, then . . .
-- The first prize has to be a car.
-- The second prize can be a motorbike or a trip ... 2 possibilities.
For each of those . . .
-- The third prize has to be a TV.
Since there's no choice with the first or third prizes,
I only see two different ways to avoid a cash prize.