Answer:
The two numbers can be -12 and 11, or 11 and -12.
Step-by-step explanation:
xy=-132
x+y=-1
-------------
x=-1-y
(-1-y)y=-132
-y-y^2=-132
-y^2-y-(-132)=0
-y^2-y+132=0
y^2+y-132=0
factor out the trinomial,
(y-11)(y+12)=0
zero property,
y-11=0, y+12=0,
y=0+11=11,
y=0-12=-12
x+11=-1 & x+(-12)=-1
x=-1-11=-12
x=-1-(-12)=-1+12=11
Well, 1 ft = .333333 yards
So, do .333333 x 72 to get your answer.
You should get 23.999976
So, now just round it and you should get 24 as your final answer.
The lateral area is given by
A = 2πrh
A = 2π(15.1 in)(12.8 in)
A ≈ 1214 in²
It takes 16,064 years for the 500g of radium to decay to 5g.
<h3>
How long will it take for 500g of radium to decay to 5g?</h3>
Here we have the decay equation:

Where Q₀ is the initial amount, and k is the decay constant.
We know that:
Q₀ = 500g
k = 0.00043
And we want to find the value of t such that Q(t) = 5g, so we need to solve:

Now we can apply the natural logarithm in both sides:

So it takes 16,064 years for the 500g of radium to decay to 5g.
If you want to learn more about decays:
brainly.com/question/7920039
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Answer:
5
Step-by-step explanation:
There are two sides to a coin, meaning there is a 50% chance that it will land on heads and 50% chance it will land on tails.