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IrinaK [193]
3 years ago
5

2

Mathematics
1 answer:
LenKa [72]3 years ago
7 0
I'm going to take a guess regarding what you meant to type in:

<span>3x-9 X +6x+5
E(x)= ------- × -------------
2 2
X -9 X +5x+6

                            3(x+3)        6x+5
becomes  E(x) = ----------- * ------------
                             x-9             5x+6

This cannot be reduced.

Try again to share this problem.  Thank you.

</span>
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Draw a pair of supplementary adjacent angles. One of the angles should have a measure of 85 degrees. How should the supplementar
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Supplementary adjacent angles form a "linear pair." Together, they make a line. The angle supplementary to 85° will be slightly obtuse, just as 85° is slightly acute.

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5 0
2 years ago
a 23 gram sample of a substance thats a by-product of fireworks has a K-value of .13. whats the substances half life in days
nata0808 [166]
Given:
Initial mass, m₀ = 23 g
Decay constant, k = 0.13

Exponential decay obeys the equation
m(t)=m_{0} e^{-kt}
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Answer: The half life is 5.33 days
3 0
3 years ago
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Solve the following system of equations. <br> 2x-5y=6<br> -2x+10y=-16<br> x=<br> y=
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Y is directly proportional to x.
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If y is directly proportional to x then y:x.
When y = 30, x = 6 then 30/6 = 5:1. Therefor for every 1x there is 5y vice versa. When x = 12, then y = 5 * 12 = 60.
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3 0
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