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Komok [63]
2 years ago
9

I hope you guys can see it but if you answer it i’ll make you the brainiest

Mathematics
1 answer:
marysya [2.9K]2 years ago
8 0

Answer:

Step-by-step explanation:

the smallest length that the pen could be is the with x length => 209 sq ft

where the length is 8 feet more than the width.

so find that where x *( x+8) = 209

then  x^{2} + 8x - 209 = 0

using the quadratic equation I got  11

11* ( 11+8) =209

so that's the smallest it could be

so the width must be greater than 11 to make the pen greater than 209 sq ft. :)

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Can someone help me out with this question?
goblinko [34]

Answer:

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6 0
3 years ago
1.Arsenic-74 is used to locate brain tumors. It has a half-life of 17.5 days. 90 mg wereused in a procedure. Write an equation t
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2) we need to find the remaining amount of Arsenic-74 after 70 days

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\begin{gathered} N_t=\text{ 90\lparen}\frac{1}{2})^{\frac{70}{17.5}} \\ N_t\text{ = 5.625 mg} \end{gathered}

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4 0
1 year ago
What is. Log3(x+2)-log3 5
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Step-by-step explanation:

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