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crimeas [40]
4 years ago
5

The perimeter of a square can be represented by the

Mathematics
1 answer:
kompoz [17]4 years ago
7 0

Answer:

Step-by-step explanation:

perimeter of a square = 4 x length (L)

8x - 10 + 8x - 10 = 4L

rearrange the expression

8x + 8x - 10 - 10 = 4L

16x - 20 = 4L

divide both sides for L to stand alone

(16x - 20)/ 4 = 4L/4

(16x - 20)/4 = L

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(2x-2) (x+5) what does x =
Lynna [10]

Answer:

a

x

2

+

b

x

+

c

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the two roots of the equation take the form

x

1

,

2

=

−

b

±

√

b

2

−

4

a

c

2

a

So, start by adding

−

5

to both sides of the equation to get

2

x

2

+

x

−

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=

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−

5

2

x

2

+

x

−

5

=

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Notice that you have

a

=

2

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b

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c

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x

1

,

2

=

−

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±

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1

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−

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⋅

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⋅

(

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)

2

⋅

2

x

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You can simplify this if you want to get

x

1

=

−

1

+

√

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4

≅

1.35078

and

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=

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1

−

√

41

4

≅

−

1.85078

4 0
2 years ago
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Felipe made an international phone call for 6.4 minutes. He was charged $0.45 for each minute. Find the amount he paid.
il63 [147K]
$2.88 I think I’m not sure
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3 years ago
3/5+(-7/5)= can someone help me with this please
Tresset [83]

Answer:

-\frac{4}{5}

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Because both of the fractions have a common denominator they can be subracted without any other work.

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3 years ago
PLEASE HELP ASAP I WILL GIVE BRAINLIEST
Westkost [7]

Answer:

The third choice:  g(x) = (x + 3)²

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8 0
3 years ago
2x - y = 10
marshall27 [118]
B:(3,-4)
2x-(-x-1)=10
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8 0
4 years ago
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