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vagabundo [1.1K]
2 years ago
8

Factor this expression completely, then place the factors in the proper location on the grid. 9x2 - y2

Mathematics
1 answer:
andreev551 [17]2 years ago
6 0

Answer:

{ \tt{ {9x}^{2} -  {y}^{2}  }} \\  = { \tt{( {3x)}^{2} -  {y}^{2}  }} \\  = { \tt{(3x - y)(3x + y)}}

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Find the diameter of a circle with a circumference of 443 feet. Use 3.14 for pi.
marishachu [46]

Answer:

\huge\boxed{\sf d = 141\ feet}

Step-by-step explanation:

<u>Given Data:</u>

Circumference = C = 443 ft

<u>Required:</u>

Diameter = d = ?

<u>Formula:</u>

d = C / π

<u>Solution:</u>

d = 443 / 3.14

d = 141.0 feet

d = 141 feet

\rule[225]{225}{2}

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3 0
2 years ago
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Answer:

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Step-by-step explanation:

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2 years ago
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Nataly [62]
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8 0
3 years ago
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Anastaziya [24]

Answer:

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Step-by-step explanation:

8 0
2 years ago
A forest cover 43,000 acres. A survey finds that 0.2% of the forest is old growth tress. How many acres of old growth trees are
Sveta_85 [38]

Given:

Total forest area = 43,000

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To find:

The area of the old growth trees.

Solution:

We have,

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2 years ago
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