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pogonyaev
3 years ago
6

How much of a sample remains after three half-lives have occurred?

Mathematics
2 answers:
aleksklad [387]3 years ago
5 0
12.5% of the sample. hope it helped :)
4vir4ik [10]3 years ago
3 0
Based on a book about 3 half lives, the answer is 12.5% samples remain.
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konstantin123 [22]

Here is the solution for finding mean mode and median

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3 years ago
The resale value of a certain car decreases over time. Use the line of best fit to estimate what the car will be worth in 7 year
Pie

Answer:

C. $5500

Step-by-step explanation:

Find the point on the horizontal scale where Time is 7. Follow that line up to the red "line of best fit". Then follow that horizontally to see where it falls on the Resale Value scale. It is between 5 and 6 (thousands of dollars) on that scale.

The only answer choice that is between $5000 and $6000 is ...

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4 0
3 years ago
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Fine the surface of one yard.<br><br>please help .-.
ale4655 [162]

Answer:

1) 34 square meters

2) 21 square yards

Step-by-step explanation:

1) 7x4=28

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2)3x3=9

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6 0
2 years ago
Is there a easy way to subtract fractions with unlike deiomaters
Angelina_Jolie [31]

Answer:

Yes

Step-by-step explanation:

It's just like adding fractions where you have to find the common denominator so the fractions can be subtracted.

<u>Example</u>

<u />\displaystyle \frac{1}{2}-\frac{1}{3}=\frac{1*3}{2*3}-\frac{2*1}{2*3}=\frac{3}{6}-\frac{2}{6}=\frac{1}{6}

8 0
2 years ago
There is 6 7/8 cups now i take 2 5/8 away how many is left ?
REY [17]

left means subtracting

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Whole numbers subtract each other

Numerators subtract each other

The denominators stay the same.

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4 2/8=4 1/4

Answer: 4 2/8 = 4 1/4 cups left

3 0
3 years ago
Read 2 more answers
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