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andrezito [222]
3 years ago
15

BRAINLIESTTTTT ASAP!!!

Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
7 0
When the quadratic expression is x^2 +ax + ..., the binomial square will be
.. (x +(a/2)^2

You have a=-2, so the binomial square will be of the form (x -1)^2. You don't even need to work out the rest of it to know that ...
.. the 4th selection is appropriate.
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uysha [10]

Answer:

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2 years ago
The length of a rectangle is 4 meters more than the width of the rectangle. The perimeter of the rectangle is 40 meters. What ar
Rashid [163]

Answer:

Length = 12 m, Width = 8 m

Step-by-step explanation:

Let the width of the rectangle is b.

Length, l = 4+b

The perimeter of the rectangle = 40 m

We know that,

Perimeter of rectangle = 2(l+b)

2(4+b+b) = 40

4+2b = 20

Subtract 2 from boths sides,

2b = 16

b = 8

Width = 8 m

Length = 4+8 = 12 m

Hence, the length and the width of the rectangle is 12 m and 8 m respectively.

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2 years ago
Solve for the formula f=2gh. h=
Ksivusya [100]
First you have to look to see if you can isolate h. to do this you need to divide 2g on both sidesmaking the equation into f/2g=h. 
just an extra little fact, we divide the 2g because it was multiplied as 2gh, to move it to the other side you do the opposite to it, therefore it being division :)
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3 years ago
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Can someone please help me with numbers 1, a, b, c, 2, a, b, c
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How does geography influence your neighborhood?
Snezhnost [94]
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