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ipn [44]
3 years ago
10

Given, f(x)=x²-2x+3, find f(-2)

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
3 0

Answer:

11

Step-by-step explanation:

(-2)^2-2(-2)+3

(-2)(-2)+4+3

4+4+3

8+3

11

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The express the area of the entire rectangle
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Answer:

area= x^2+8x+7

Step-by-step explanation:

a=l*w

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a= x^2+8x+7

5 0
3 years ago
Given that k ∥ l, identify the congruent angles in the triangles.<br><br> ∠1≅ <br> ∠2≅ <br> ∠3≅
rewona [7]

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Step-by-step explanation:

5 0
3 years ago
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Fantom [35]
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2 years ago
Chen’s house is 53 years old. This is 5 more than twice the age of Sunny’s house, h.
tankabanditka [31]

Answer:

The Equation which shows the equality is 53 = 2 h + 5 ,

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Step-by-step explanation:

Given as ;

The age of the house of Chen's is 53 years old

Let the age of of the house of sunny = h years old

So, according to question

Chen's house age is 5 years more than twice the age of sunny's house

I.e Chen's house age = 2 × sunny's house age + 5

Or, 53 = 2 × h + 5

or,  2 × h = 53 - 5

so . 2 × h = 48

∴    h = \frac{48}{2} = 24 years

Hence The Equation which shows the equality is 53 = 2 h + 5 , And The age of Sunny's house is 24 years old .  Answer

5 0
3 years ago
A stainless steel garbage can is in the shape of a right circular cylinder if its radius is 6 inches and it's volume is 864 pi i
tamaranim1 [39]
\bf \textit{volume of a cylinder}=V=\pi r^2h\qquad &#10;\begin{cases}&#10;r=radius\\&#10;h=height\\&#10;-----------\\&#10;r=6\ in\\&#10;V=864\pi \ in^3&#10;\end{cases}&#10;\\\\\\&#10;V=\pi r^2h\implies 864\pi =\pi (6)^2h\impliedby \textit{solve for "h"}
6 0
3 years ago
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