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jeka94
2 years ago
9

the half-life of radium-226 is about 1,590 years. How much of a 100mg sample will be left in 500 years

Mathematics
1 answer:
Vedmedyk [2.9K]2 years ago
6 0

Aa Bb Cc Dd Ee Ff Gg Hh Ii Jj Kk Ll Mm Nn Oo Pp Qq Rr Ss Tt Uu Vv Ww Xx Yy Zz

I know the best answer ever (*says sarcastically*)

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A drawer contains a dozen each of red, blue, green, and white socks, all unmatched. Laura takes socks out at random in the dark.
iren2701 [21]

Answer:

8

Step-by-step explanation:

The probability of picking out a certain colour = 12/48 = 1/4

So, this means that every 4 socks you pick out you can be sure of having one of each colour. If you need to find a pair, then you pick out 8.

Hope this helps

7 0
3 years ago
Find the value of x
luda_lava [24]

You need to post an equation if you want an answer, because without the equation it is impossible to determine the value of the coefficient x

5 0
3 years ago
Elmer has a collection of 300300300 fossils. Of these, 21\%21%21, percent are fossilized snail shells.
aleksandrvk [35]
I believe that they typo meant 300 fossils of which 21% are snail shells.

Since % means per one hundred...

300(21/100)=63

Elmer has 63 fossilized snail shells.
3 0
3 years ago
In the formula, P3 = Div / R - g, the dividend is for period:
Ksenya-84 [330]
If your choices are the following:
A. OneB. TwoC. ThreeD. FourE. Five

Then the answer would be letter D. Four.
7 0
3 years ago
After John worked at a job for 10 years, his salary doubled. If he started at $x, hls salary after 10 years is​
Sholpan [36]

Answer:

$2x

Step-by-step explanation:

  1. x × 2 = 2x

I hope this helps!

4 0
3 years ago
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