Answer:
y = -1.
Step-by-step explanation:
The value of y is -1 as it passes through the y axis. The values of x on the line are infinite.
This line's equation is y = -1.
After the release of radioactive material into the atmosphere from a nuclear power plant in a country in 1982, the hay in that country was contaminated by a radioactive
isotope (half-life 5 days). If it is safe to feed the hay to cows when 9% of the radioactive isotope remains, how long did the farmers need to wait to use this hay?
The farmers needed to wait approximately
(Round to one decimal place as needed.)
days for it to be safe to feed the hay to the cows.
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8
a
Answer:
17.5 days
Step-by-step explanation:
The half life of this element is five days.
For the first five days it will decrease to 100*0.5=50%.
For the second five days it will decrease to 50*0.5= 25%
For the third five days it will decrease to 25*0.5 = 12.25%
It means in each day in the five days it reduce 0.1 of the it's remaining amount.
12.5 - 9 = 3.5 %
0.5 of 12.5 = 6.25%
It's going to be 15 days + 2.5 days= 17.5 days
Answer:
Step-by-step explanation:
O30
O 200
O 300
Answer:
200
Step-by-step explanation:
Answer:
ITS C 200
Step-by-step explanation:
See attachment for math work and answer.
The product of the numbers are 36r and 32s.
When we multiply two numbers the resultant is called their product.
Given that, what can be the products of 6 and 6r and 8s and 4
a) 6 and 6r =
We can write it as =
6 x 6 x r
now multiply the numeric parts,
36 x r
= 36r
Similarly,
b) 8s and 4 =
We can write it as,
8 x s x 4
= 8 x 4 x s
now multiply the numeric parts,
= 32 x s
= 32s
Hence, the products are 36r and 32s.
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