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STALIN [3.7K]
3 years ago
5

Is 9.56556555 a rational or irrational number?

Mathematics
1 answer:
pantera1 [17]3 years ago
7 0

Answer:

irrational

Step-by-step explanation:

the decimal does not terminate

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solong [7]

Answer:

A

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
A rectangular
igor_vitrenko [27]
A = length x width

15,000 = (w + 30) x w
15,000 = w^{2} + 30w
0 = w^{2} + 30w - 15,000

Use quadratic formula to find that  w= -15 + or - 5\sqrt{609}. Because distance cannot be negative, the width is -15 + 5\sqrt{609}meters or approximately 108.39 meters. This means that the length is approximately 138.39 meters.


8 0
3 years ago
What is the length of the altitude of the equilateral triangle below?
Mazyrski [523]

ANSWER

The length of the altitude is 3\sqrt{3} units


<u>EXPLANATION</u>

The altitude of a triangle is the vertical height of the triangle.


From the diagram the altitude is a


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6^2=a^2+3^2


6^2-3^2=a^2


36-9=a^2


27=a^2


We take the square root of both sides,

\sqrt{27}=a


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\sqrt{9} \times \sqrt{3}=a


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Method 2 Using Trigonometry

sin(60\degree)=\frac{a}{6}

6sin(60\degree)=a


a=6\times \frac{\sqrt{3}} {2}


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6 0
3 years ago
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6 0
4 years ago
Use the distributive property to expand the expression. −(3a3 − 4b2) (12x − 9y − 5)
aalyn [17]
The answer to that is -3a+4b+12x-9y-4
6 0
3 years ago
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