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Nonamiya [84]
2 years ago
7

Which diagram has all of the correct lines of reflectional symmetry for the regular pentagon? A pentagon has 3 lines of reflecti

onal symmetry. They intersect near the bottom of the figure. A pentagon has 5 lines of reflectional symmetry. They intersect in the center of the figure. A pentagon has 1 vertical line of reflectional symmetry. A pentagon has 3 lines of reflectional symmetry that intersect in the center of the figure.
Mathematics
2 answers:
LekaFEV [45]2 years ago
4 0

Answer:

It is B

Step-by-step explanation:

Edge 2020

Trava [24]2 years ago
3 0

Answer:

b

Step-by-step explanation:

just got it right

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I’m hoping you are talking about:
Factor -1/2 out of -1/2x + 6
If so then the answer is
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3 years ago
1/6 and 3/8 rewrite them to get common denominators and whole number numerators
bagirrra123 [75]
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Read 2 more answers
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Evgesh-ka [11]
All you have to do is plug in the given values into the given equation and evaluate.

The expression is,

A(t) =  l{e}^{rt}
But we have to analyze the problem carefully. This is a natural phenomenon that can be modelled by a decay function. The reason is that, after every hour we expect the medicine in the blood to keep reducing.

Therefore we use the decay function rather. This is given by,


A(t) =  l{e}^{-rt}

where,

l = 100 \: milligrams

r =  \frac{14}{100}  = 0.14

and

t = 10 \: hours

On substitution, we obtain;

A(10) =  100 \times {e}^{ - 0.14 \times 10}


A(10) =  100 \times {e}^{ - 1.4}



Now, we take our calculators and look for the constant
e

,then type e raised to exponent of -1.4. If you are using a scientific or programmable calculator you will find this constant as a secondary function. Remember it is the base of the Natural logarithm.



If everything goes well, you should obtain;

A(10) =  100 \times 0.24659639


This implies that,


A(10) =  24.66

Therefore after 10 hours 24.66 mg of the medicine will still remain in the system.
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3 years ago
Jubal wrote the four equations below. He examined them, without solving them, to determine which equation has no solution.
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Answer:

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Step-by-step explanation:

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