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Pavlova-9 [17]
2 years ago
9

Fgbdrgbsdrhbrhrsewhsrthbrdehbeddb.

Mathematics
2 answers:
brilliants [131]2 years ago
8 0
I totally agree with this statement, never had I heard a truthier truth.
monitta2 years ago
7 0

Answer:

yes

Step-by-step explanation:

sorry I thought this was funny I have no idea what’s happening

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Drag the tiles to the boxes to form correct pairs.
FrozenT [24]

Answer:

1 .4x2-9= 2x+3,2x-3

2 .16x2-1=4x-1,4x+1

3 .16x2-4=4(2x+1)(2x-1)

4 .4x2-1=(2x+1)(2x-1)

Step-by-step explanation:

16x² − 1  = (4x − 1)(4x + 1) ;  16x² − 4  = 4(2x + 1)(2x − 1); 4x² − 1  = (2x + 1)(2x − 1) ;

4x² − 9 = (2x + 3)(2x − 3)

16x² − 1  is the difference of squares.  This is because 16x² is a perfect square, as is 1.  To find the factors of the difference of squares, take the square root of each square; one factor will be the sum of these and the other will be the difference.

The square root of 16x² is 4x and the square root of 1 is 1; this gives us (4x-1)(4x+1).

16x² − 4 is also the difference of squares.  The difference of 16x² is 4x and the square root of 4 is 2; this gives us (4x-2)(4x+2).  However, we can also factor a 2 out of each of these binomials; this gives us

2(2x-1)(2)(2x+1) = 2(2)(2x-1)(2x+1) = 4(2x-1)(2x+1)

4x² − 1  is also the difference of squares.  The square root of 4x² is 2x and the square root of 1 is 1; this gives us (2x-1)(2x+1).

4x² − 9 is also the difference of squares.  The square root of 4x² is 2x and the square root of 9 is 3; this gives us (2x-3)(2x+3).

3 0
3 years ago
HELP PLS WUICK! GIVING OUT BRAINLIST
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A triangle has an angle that measures 40°. The other two angles are in a ratio of 11:17. What are the measures of those two angl
Feliz [49]
<span>The measure of one angle of a triangle is 108. The measures of the other two angles are in a ratio of 1:5
108 + x + 5x = 180</span>
8 0
3 years ago
Sorry it's in black and white but i need help with 3a. b. c. and 4
Andrews [41]
It s for a is 20 1in for b it is 36 and for
c

its 50
4 0
3 years ago
What is the mean?<br> 12 18 10 5 11 10 8 6
babunello [35]

Answer:

10 because there there are 2 ten

6 0
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