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stiv31 [10]
2 years ago
7

I need help fast!!!!!!!!!!

Mathematics
1 answer:
Anarel [89]2 years ago
4 0
G(x)=2/5(10)-x it the last one
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A certain isotope decays so that the amount A remaining after t years is given by: A = A0 · e ^-0.03t where A0 is the original a
Katena32 [7]
<span>Ending Amt = Bgng Amt * e ^-0.03t
In this equation, the "-0.03" is the decay factor or "k"
We can now solve for half-life by this equation:
</span>t = <span>(<span>ln [y(t) ÷ a]<span>)<span> ÷ -k  (we can say beginning amount = 200 and ending amount = 100
</span></span></span></span>t = <span>(<span>ln [200 ÷ 100]<span>)<span> ÷ -k
</span></span></span></span>t = <span>(<span>ln [2]<span>)<span> ÷ -k
</span></span></span></span>t = 0.69314718056<span> ÷ --.03
t =</span><span><span><span> 23.1049060187 </span>
about 23 years
</span></span>
7 0
3 years ago
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I need help on this problem can someone help<br><br> -8 (y - 86) = -48
exis [7]

Answer:

y=92

Step-by-step explanation:

Divided both sides by the numeric factor on the left side, then solve.

y = 92

6 0
3 years ago
Myles said that 5 x 0.13 is 6.5. Do you agree? Explain.<br><br> Brainliest if correct!
77julia77 [94]
No he is not, 10*0.13=1.3, so 5*0.13=0.65
6 0
3 years ago
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12+90+x=180 I need help fast
Vinil7 [7]

Answer:

78

Step-by-step explanation:

102+x=180

x=180-102

x=78

3 0
2 years ago
You are to demonstrate that you understand what represents a function and what does not represent a function. You may do this by
My name is Ann [436]

We know that functions are mathematical entities that assign unique outputs to given inputs. In other words, a function can't have repeated values in the input repeated x-value.

For example consider the relation {(1,4), (1,5), (2,6), (3,7), (4,8), (5,9)}.

We see that above relation has repeated x-value "1" which is assigned to two different output values 4 and 5. So by definition of function, above relation can't be a function.

6 0
2 years ago
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