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Harrizon [31]
2 years ago
12

How many eight-sized parts do u need to model 3/4?explain

Mathematics
1 answer:
Oliga [24]2 years ago
6 0

Answer:

6

Step-by-step explanation:

\dfrac{3}{4}=\dfrac{3}{4}\cdot\dfrac{2}{2}\\\\=\dfrac{3\cdot 2}{4\cdot 2}=\dfrac{6}{8}

3 fourths = 6 eighths

It will take 6 eighth-sized parts to model 3/4.

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What is the measurement of 6?<br>A) 45°<br>B) 54°<br>C) 117°<br>D) 126°​
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Read 2 more answers
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

     4w^{2} + 100 w -464=0

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

#SPJ1

8 0
1 year ago
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