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erma4kov [3.2K]
3 years ago
15

Simplify the expression 34 ÷ 39.

Mathematics
2 answers:
liberstina [14]3 years ago
8 0

Answer:

?

Step-by-step explanation:?

katrin2010 [14]3 years ago
6 0

Answer:

1/243 and 1/3^5

Step-by-step explanation:

3^4 divided by 3^9 is 1/243. 1/3^5 is also equal to 1/243.

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The martinez family has a walkway around their swimming pool. the area of the walkway can
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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

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8 0
1 year ago
Which of the following expressions represents the area of a trapezoid with bases of 3x and 5x and a height of 6x?
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Trapezoid Area = (Base1 + Base2) (h/2)
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If you have $15000 and you earn 10% simple interest per year on it for 10 months how much will you have?
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You would have $165,000, hope this helps
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Approximate 79.75 to the nearest hundred, ten, whole number, thenth​
Zielflug [23.3K]

Answer: ten -  80(?)

hundred - 100

whole number - 80

tenth - 79.8

5 0
2 years ago
Find the probability that a randomly
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Answer: 31.8

Step-by-step explanation:

8 0
3 years ago
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