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Dennis_Churaev [7]
3 years ago
13

Element X is a radioactive isotope such that every 27 years, its mass decreases by half. Given that the initial mass of a sample

of Element X is 7900 grams, how much of the element would remain after 12 years, to the nearest whole number?
Mathematics
2 answers:
mafiozo [28]3 years ago
6 0

Answer:e

Step-by-step explanation:

Oksi-84 [34.3K]3 years ago
3 0

Answer:

5805

Step-by-step explanation:

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PLEASE HELP WILL MARK BRAINLIEST!!!!!
Fudgin [204]

Answer:

the anser would be the second one i think hope it helps please mark brailiest

Step-by-step explanation:

3 0
3 years ago
Thomas has 12 more marbles than twice the number of marbles Andrew has.
Thepotemich [5.8K]

Answer:

A.

x + 2 + 12

Step-by-step explanation:

Thomas (t) = Andrew (x) * 2 + 12

3 0
3 years ago
Solve the equation<br> 12 + 4m = 24<br> A)m=9<br> B)m=8<br> C)m=3<br> D)m=-6
pantera1 [17]
12 +4m = 24

4m = 12

m = 12/4

m = 3  so choice C. is right sure 
8 0
3 years ago
This box can be packed with 48 units cubes. The edge length of each unit cube is 1 meter. What is the volume of the box?
Dafna1 [17]

48 m³

Step-by-step explanation:

A cube has equal length width and height

A cube in this case has length 1m meaning the width and height are also 1 m each in length.

The volume of the cube is (L * W * H) =  1 * 1 * 1 = 1 m³

If 48 of these can fit in the bigger box, then the bigger box has the volume of;

48 * 1 m³ = 48 m³

Learn More:

For more on volume of a cube check out;

brainly.com/question/7543014

brainly.com/question/9719931

#LearnWithBraily

8 0
3 years ago
evelyn is going on a hike. she will hike 4 miles in all. so far, she has hiked 1/2 of the total distance. how far has she hiked
lana [24]

Answer:

2 miles

Step-by-step explanation:

1/2 of 4 is 2

Mathematically

1/2 × 4/1

4/2

2

5 0
3 years ago
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