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julsineya [31]
3 years ago
13

HELP PLEASE

Mathematics
1 answer:
postnew [5]3 years ago
5 0

 

2)  

x^2 - 14x - 32  = x^2 - 16x + 2x - 32  = x(x-16) + 2(x-16) = (x - 16)(x + 2)

<h2>⇒   x^2 - 14x - 32  = (x - 16)(x + 2)</h2>

---------

3)  

2n^2 - 7n - 15  =

= 2n^2 - 10n + 3n - 15 =

=  2n(n - 5) + 3(n - 5) =

= (n - 5)(2n + 3)

<h2>⇒ 2n^2 - 7n - 15  = (n - 5)(2n + 3)</h2>

---------

4)  

<h2> x^2 - 25 = (x - 5)(x + 5)</h2>

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I forgot how to turn fractions into decimals pls help me
PSYCHO15rus [73]

Answer:

A fraction is essentially division, so 3/5 is the same as 3 ÷ 5

3÷5 = 0.6

5\sqrt{3\\

(imagine the square root is the divsion thing)

5 cannot go into 3 so the answer is a decimal

then add a zero at the end of 3 to make 30

   0.

5\sqrt{30

and 5 can go into 30, 6 times so you add a 6 to make 0.6

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5\sqrt{30

5 0
3 years ago
What is the total length of 5.5 pieces of toy train track that measure 8.5 inches each?
PSYCHO15rus [73]
46.75. I think. You multiply 5.5 x 8.5. Hope this helps!
4 0
4 years ago
BRAINLIEST + 35 POINTS
tiny-mole [99]

Reflected over the x axis and rotated 180° is your answer

First, note that the horizontal line is the x- axis, and that the figure is reflected over the x- axis.

Next, note that the placement of each point is not exactly identical. Instead, it is flipped. This means that the side is rotated 180°

hope this helps

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3 years ago
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Inessa [10]

Answer:

D. infinite

Step-by-step explanation:

4 0
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What is the value of 25 – 5 × 8 – 4?
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