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Juliette [100K]
3 years ago
5

Multiply (3a+2)(3a-2)

Mathematics
1 answer:
AysviL [449]3 years ago
6 0
The answer is 9a^2 - 4
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nirvana33 [79]
If you multiply by 24 you should get $864
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3 years ago
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9 + x - 3 = 4x - 3 <br><br> Find x, please explain asap
Vesnalui [34]

Answer:

x = 3

Explanation:

To simplify this equation, don't worry about the -3, since there is one on both sides. Therefore, they cancel out.

So, 9 + x = 4x

When you plug 3 in for x, it becomes:

9 + 3 = 4 x 3

12 = 12

This equation is true, therefore, x is your answer!

5 0
3 years ago
An interior angle of a regular polygon has a measure of 108°. What type of polygon is it?
Zigmanuir [339]

Answer:

Polygon is pentagon

Step-by-step explanation:

In a regular polygon each angle is equal.

In a regular polygon Each angle of polygon is given by (2n-4)90/n

where n is the number of sides of the polygon

given

An interior angle of a regular polygon has a measure of 108°.

(2n-4)90/n = 108

=> 180n - 360 = 108n

=> 180n-108n= 360

=> 72n = 360

=> n = 360/72 = 5

Thus, polygon has 5 sides

and we know that regular polygon which has 5 sides is called pentagon.

Thus, Polygon is pentagon

8 0
4 years ago
Determine the infinite limit. lim x→−9− x + 8 x + 9
Serga [27]
If given
\lim_{x \to \ -9} (-x+8x+9)
then
\lim_{x \to \ -9} (-x+8x+9)=-54.
8 0
3 years ago
Least common multiple of 9, 12, 18​
sladkih [1.3K]

Answer:

36

Step-by-step explanation:

5 0
3 years ago
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