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krek1111 [17]
2 years ago
12

Question: Carbon-11 has a half-life of about 20 minutes. If we start with 200 grams, how

Mathematics
1 answer:
irakobra [83]2 years ago
3 0

Answer:

C). 0.39 grams

Step-by-step explanation:

First find how many half-lifes are in 3 hours:

3 hours ÷ 20 minutes = 9 half-lifes

Find the total left:

0.5^9*200 ≈ 0.39

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andrew11 [14]

Answer:

96 units^2

Step-by-step explanation:

area of a triangle A=bxh/2

substitute b with 8 and h with 24

A=8x24/2

multiply

A=193/2

the divide

A=96

5 0
2 years ago
Justin, Cam, and Ben are playing a board game where exactly one player will win. Ben estimates that Justin has a 20%, percent ch
stira [4]

Answer:

30%

Step-by-step explanation:

If Justin has a 20% chance and Cam has a 50% chance that adds up to 70%

But you need to get to 100% so all you do is

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97 people are surveyed and 32 of them agree with closing campus for lunch. Is it discrete or continuous
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3 years ago
Circle 1 is centered at (−4, 5) and has a radius of 2 centimeters. Circle 2 is centered at (2, 1) and has a radius of 6 centimet
IgorC [24]
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Once you do this the circles have the same center. Next you wish to dilate circle 1 so it ends up being the same size at circle 2. That means you stretch it out in such a way that it keeps its shape. Circle 1 has a radius of 2 centimeters and circle 2 has a radius of 6 centimeters. That is 3x bigger. So we dilate by a factor of 3.

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3 0
3 years ago
Plz Help!!!! <br>Solve for x<br>3y = 4x+ 1 ​
astraxan [27]

Answer:

Step-by-step explanation:

STEPS FOR SOLVING LINEAR EQUATION

3y=4x+1

Swap sides so that all variable terms are on the left hand side.

4x+1=3y

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Divide both sides by 4.

4

4x

​

=  

4

3y−1

​

 

Dividing by 4 undoes the multiplication by 4.

x=  

4

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​

 

7 0
3 years ago
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