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Svetllana [295]
2 years ago
11

The half life of a radioactive kind of cadmium is 14 years. How much will be left after 28 years, if you start with 72 grams of

it?

Mathematics
1 answer:
nlexa [21]2 years ago
8 0

Answer:

18 grams

Step-by-step explanation:

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cestrela7 [59]

Answer:

Z=1

Step-by-step explanation:

please mark me as brainlest

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Find the general solution of the differential equation. (Use C for any needed constant.) dy dx = 1 − y
daser333 [38]

Answer:

Step-by-step explanation:

Give the DE

dy/dx = 1-y

Using variable separable method

dy = (1-y)dx

dx = dy/(1-y)

Integrate both sides

 ∫dx =  ∫dy/(1-y)

 ∫dy/(1-y)=  ∫dx

-ln(1-y) = x+C

ln(1-y)^-1 = x+C

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4 0
3 years ago
the graph below shows a linear relationship. The points shown have a whole number. Which function models the linear relationship
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Answer:

y=2/3 x+2

Step-by-step explanation:

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y=mx+c

m is the slope of the line while c is the y intercept

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The slope can be calculated by diving the height by the length:

2/3

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3 0
3 years ago
Write (2/3)^2 in expanded form,​
PtichkaEL [24]

Answer:

4/9, or 0.4∞

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8 0
3 years ago
A rectangular prism is 7 centimeters long, 5 centimeters wide, and 4 centimeters tall. Which values are the areas of cross secti
VladimirAG [237]
Cross section is the area you make when you make a cut across a shape. In this case, the cut must be parallel to the base. Hence, the cut shape would be same to that of the base. The base's dimensions are 7 cm long x 5 cm wide. Thus, the cross section area is 35 square centimeters.
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3 years ago
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