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Mariulka [41]
3 years ago
12

0.86421 . . . is an irrational number. true false

Mathematics
2 answers:
Ad libitum [116K]3 years ago
7 0
Numbers that cannot be expressed as an exact ratio are called irrational numbers so that would make it true
Andreyy893 years ago
5 0
If that decimal doesn't terminate, then it is an irrational number.
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Could someone help me with this?
umka2103 [35]
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Find area of one triangle
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Area of triangle = 1/2 x base x height
Area of triangle = 1/2 x 9 x 11.75
Area of triangle = 52.875 ft²

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Find area of two triangles
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Area of 2 triangles = 52.875 x 2 
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Find the cost of the flower beds
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1 ft² = $4.25
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3 years ago
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The last name I am pretty sure of it.

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3 years ago
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a photographer is taking the 4th grade class picture. She stands on a ladder to get a better angle . From the top step of the la
Kruka [31]
Given:
a ladder with three steps.
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4 0
3 years ago
What is the measure of NRS?
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Answer:

<h3>C. 113°</h3>

Step-by-step explanation:

(7x - 1) + 79° = 21x + 8

• An exterior angle of a triangle is equal to the sum of its two interior opposite angles.

(7x - 1) +79  = 21x + 8 \\ 7x - 1 + 79 = 21x + 8 \\ 7x +  78 = 21x + 8 \\ 78 - 8 = 21x - 7x \\ 70 = 14x \\  \frac{70}{14}  = x \\ 5 = x \\

NRS = 21x + 8

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2 years ago
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