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IrinaVladis [17]
3 years ago
13

I really need help guys!!!

Mathematics
1 answer:
kifflom [539]3 years ago
8 0
What exactly do you need help with??
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Radium-226 is a metal with a half-life of 1600 years. If you start with 1 kilogram of radium-226, how much will remain after 20,
erica [24]
Ending Amount = Beginning Amount / 2^n 
where 'n' = # of half lives
n = 20,000 / 1,600 = 12.5 half-lives

Ending Amount = 1 kg / 2^12.5
Ending Amount = 1 kg / <span> <span> <span> 5,792.6
</span></span></span>Ending Amount = <span> <span> <span> 0.00017263 kilograms = </span></span></span><span>0.17263 grams


</span>
6 0
3 years ago
Two Algebra questions^^^
guapka [62]
5 = c. infinite.
6 = I don't know. sorry!!
Hope this helps!!
4 0
3 years ago
HELP! "translate: the product of 8 and a number increased by 2 use x as the variable"
Bumek [7]

Answer:

variable is (<em> </em><em>x</em><em> </em><em>)</em>

<em>∆</em><em>product</em><em> </em><em>of</em><em> </em><em>8</em><em> </em><em>:</em>

<em>8</em><em> </em><em>x</em>

<em>∆</em><em>the</em><em> </em><em>number</em><em> </em><em>increase</em><em>d</em><em> </em><em>by</em><em> </em><em>2</em><em> </em><em>:</em><em> </em>

<em>8</em><em> </em><em>x</em><em> </em><em>+</em><em> </em><em>2</em>

<em>And</em><em> </em><em>we</em><em>'re</em><em> </em><em>done</em><em> </em><em>♥️</em>

3 0
3 years ago
Read 2 more answers
Please help me idk this
Ilya [14]

Answer:

24

Step-by-step explanation:

120/5=24

24=x

7 0
3 years ago
Help!!!!!! show all work
Gnom [1K]

Hi There!

----------------------------------------------

Part A:

Slope Intercept Form: y = mx + b

m = slope (slope = \frac{y2 - y1}{x2 - x1})

b = y intercept

m=\frac{4 - 6}{(-2)- (-6)} =  \frac{-2}{4} = \frac{-1}{2}

b = 3

Answer: y = -1/2x + 3

----------------------------------------------

Part B:

Just substitue f(x) for y.

Function Notation = f(x) -1/2 + 3

----------------------------------------------

Part C:

This function given looks almost the same but the slope is different while the one stated in the question has a slope of +2 and the equation given at the start with the slope being -1/2.

----------------------------------------------

Hope This Helps :)

8 0
3 years ago
Read 2 more answers
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