Half life can be used to solve for the amount (A) of a substance left after t time by using the following equation:
A=Av(0)⋅(12)^(t/h)
If the half life of a substance is 2 days, how long will it take for 100 mg of this substance to decay to 12.5 mg?
Select one:
A. 10 days
B. 4 days
C. 8 days
D. 6 days
1 month ago
Solution 1
1 month ago
D- 6 days should be the answer, hope it helps!
📚 Related Questions
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Solve 7x+4y=8 for y. help please
Solution 1
I think it is : Y=2-7x/4
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This is 10 points plz help ( NO LINKS )
( ONLY ANSWER THIS IF YOU HAVE AN EXPLANATION AND IF YOU KNOW WHAT THE ANSWER IS)
( ONLY ANSWER THIS IF YOU HAVE AN EXPLANATION AND IF YOU KNOW WHAT THE ANSWER IS)
Solution 1
Answer:
Area=112.5
Step-by-step explanation:
A= a+b/2h
11.25+18.75/2 × 7.5= 112.5
Hope this helps and don't forget to follow!
Solution 2
The answer would be 112.5
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What is the slope between these two points (1,2) and (4,4)?
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ILL GIVE BRAINLIEST PLSSS I NEED THESE ASAP
Write the equation for the line with a slope of 1/4 and an x-intercept of (-4,0)
An L-shaped polygon is shown on the coordinate grid that is scaled by 1s on each axis.
What are the coordinates of the point (1, –2) after the polygon is dilated by 3? (1st picture)
Find the slope of the graph (each axis is scaled by 1) (2nd picture)
Determine the slope or rate of change of the table: (3rd picture)
A square with sides of length eight units, sits on a graph with its lower left hand corner at the origin (0,0). This square is translated five units up, and seven units left. What are the coordinates of the upper right hand corner after translation?
ILL GIVE BRAINLIEST PLSSS I NEED THESE ASAP
Solution 1
Step-by-step explanation:
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Question
Can someone help me with this? I'm kinda confused.
Solution 1
Answer:
C-cashews cost $9.50 pound
Step-by-step explanation:
Solution 2
Answer:
It's C
Step-by-step explanation:
I told u in the comment thing, ad when you go from 1 up, it leads to 9.5
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How many different kinds of shapes are used to create the faces on this three-dimensional model?
///hexagonal prism///
A. 1
B. 2
C. 6
D. 12
///hexagonal prism///
A. 1
B. 2
C. 6
D. 12
Solution 1
Answer:
2 kinds of shapes are used to create the faces on this three-dimensional model.
Solution 2
B. 2
The 6 sides are the same and the top and bottom are the same
The 6 sides are the same and the top and bottom are the same
Question
Plsssss Help me i really need this !
Pls give me CORRECT answers!
I give brainliest if you give me right answers
Pls give me CORRECT answers!
I give brainliest if you give me right answers
Solution 1
Okay Im really confused because when I do it on paper I don’t get the answers on there but the orange ish one is 111 the grey one is 204.5 and the yellow one is 10
Question
Does it want me to find what 15+6 is or the answer to the whole problem?
Solution 1
Answer: the answer is 7
Step-by-step explanation: Hope this help:D
15+6/3=
=21/3
=7
Question
does it want me to find what 15+6 is or the answer to the whole problem?
Solution 1
Answer:
I think the whole problem
Solution 2
Answer: the answer to the whole problem and the answer is 21
Step-by-step explanation: Hope this help :D
Question
Which two-dimensional shape cannot be used to create a pyramid?
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D. hexagon
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Solution 1
the answer would be circle, if you used a circle, it would be a cone, not a pyramid
Solution 2
i’m pretty sure it’s circle
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decide whether the relation is a function type function or relation in the box
HURRY NEED TO SUBMIT THIS AT 1:10
HURRY NEED TO SUBMIT THIS AT 1:10
Solution 1
Step-by-step explanation:
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