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Ksenya-84 [330]
3 years ago
10

Factor the following binomial using the difference of squares? (49x^2 – 9)

Mathematics
1 answer:
Elis [28]3 years ago
3 0
I think the answer is (7x-3)(7x+3)
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The length of a rectangular garden ABCD is 9 feet more than its width. It is surrounded by a brick walkway 4 feet wide as shown
Anna71 [15]

Answer:

  16.5 ft by 25.5 ft

Step-by-step explanation:

Let w represent the width of the garden in feet. Then w+9 is the garden's length, and w(w+9) represents its area.

The surrounding walkway adds 8 feet to each dimension, so the total area of the garden with the walkway is ...

  (w+8)(w+9+8) = w^2 +25w +136

If we subtract the area of the garden itself, then the remaining area is that of the walkway:

  (w^2 +25w +136) - (w(w+9)) = 400

  16w + 136 = 400 . . .simplify

  16w = 264 . . . . . . . . subtract 136

  264/16 = w = 16.5 . . . . . width of the garden in feet

  w+9 = 25.5 . . . . . . . . . . .length of the garden in feet

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3 years ago
Can someone help please
11Alexandr11 [23.1K]
I get it now!!!!
After some reasearch, I believe the answer is ~q --> p
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4 0
3 years ago
How to find the value of x in an exponential function?
aleksklad [387]
YOU CAN DO Y=MX+B AND YOU WILL FIND YOUR ANSWER
6 0
3 years ago
Find the value of x, then find the measure of angle A (show your work).
Semenov [28]

Answer:

I don't see methmetical calculation

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3. Find the slope of the line that goes through the following points: (6.-1) and (-3, 11)
Alik [6]

Answer:

1.33

Step-by-step explanation:

y2-y1/x2-x1

=11+1/-3-6

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=-4/3

=1.33

3 0
2 years ago
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