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elena-s [515]
3 years ago
9

In how many ways can the letters in the word spoon be arranged?

Mathematics
2 answers:
Sauron [17]3 years ago
5 0
60 i believe is the correct answer
wlad13 [49]3 years ago
3 0
Since there are 5 letters in spoon and the 'o' repeats (there are 2 o's) you would do 5!/2!
This equals 60
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The martinez family has a walkway around their swimming pool. the area of the walkway can
DiKsa [7]

The width of the walkaway be 4 feet.

<h3>What is Discriminant Formula?</h3>

The discriminant formula is used to determine the nature of the roots of a quadratic equation. The discriminant of a quadratic equationax^{2} +bx+c=0 is D =b^{2} -4ac

If D > 0, then the equation has two real distinct roots.

If D = 0, then the equation has only one real root.

Given that: Area\; of \;walkway,\; a(w)\;= 4w^{2} + 100 w

also, area of walkaway = 464 square feet.

So, 4w^{2} + 100 w =464

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Using Discriminant method,

a=4, b=100, c=-464

w= \frac{-b\pm\sqrt{b^{2}-4ac} }{2a}

w= \frac{-100\pm\sqrt{(100)^{2}-4*4*(-464)} }{2*4}

w= \frac{-100\pm\sqrt{17424} }{8}

So, w_1= \frac{-100+\sqrt{17424} }{8} \;\;\;\; w_2= \frac{-100-\sqrt{17424} }{8}

w_1= \frac{-100+132 }{8} \;\;\;\; w_2= \frac{-100-132}{8}

w_1 = 4 \;\;\;\; and \;\;\; w_2= -29

Hence the width of the walkaway be 4 feet.

Learn more about discriminant formula here:

brainly.com/question/2615966

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8 0
2 years ago
Use multiples to write two fractions equivalent to 7/9.
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Answer:

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Step-by-step explanation:

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Using a multiple of 2, then

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Using a multiple of 3, then

\frac{7}{9} = \frac{7(3)}{9(3)} = \frac{21}{27}


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iragen [17]

Answer:

5

Step-by-step explanation:

7 0
3 years ago
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