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inna [77]
2 years ago
15

Math Problem: Half-Life

Mathematics
1 answer:
dimulka [17.4K]2 years ago
4 0
The third equation is the correct one. After 100 years, about 115 grams will remain.
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Can someone help me please i don’t understand it i really need too finish it by tonight
guajiro [1.7K]

Don't mind me, I just need points haha

6 0
3 years ago
The area of the sector formed by the 110 degree central angle is 40 units squared what is the radius
olga2289 [7]
We know that
area of the circle=pi*r²

if 360° (full circle) has an area of-------------> pi*r²
110°------------------------------> 40 units²
pi*r²=40*360/110--------> pi*r²=130.91------> r²=130.91/pi-----> r²=41.69
r=6.46 units

the answer is
the radius is 6.46 units
7 0
3 years ago
Please help me with this question I don’t quite get it
sp2606 [1]
100 times 80 =8000.
4 0
2 years ago
Read 2 more answers
How is using partial products to find the product of two 2-digit factors similar to how you have used partial products in the pa
klasskru [66]
Well the multiplication part is the same .Its in the ordering it has to be(ex: 42 times 35) but it has to be placed vertically .For the second number multiply to the right then the left .Repeat .Then you got your answer using 2 digits similar to regular multiplication partial products .Hope this helped !!
4 0
3 years ago
Read 2 more answers
A store can buy 3 pairs of shorts for $10 . How much would the store pay for a dozen
FromTheMoon [43]

Answer:

$40

Step-by-step explanation:

12 ÷ 3 = 4

4 × 10 = 40

So, the answer is $40.

<h2><u><em>Please mark as Brainliest!!!</em></u></h2>
4 0
3 years ago
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