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True [87]
3 years ago
14

Pls help i don’t understand this lolllll

Mathematics
1 answer:
Nutka1998 [239]3 years ago
4 0

Answer:

x=28

y=23

Step-by-step explanation:

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Step-by-step explanation:

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The painting shown at the right has an area of 220. What is the value of x?
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Answer:

9.76

Step-by-step explanation:

area of a rectangle = length * breadth

length = (2x + 3)

breadth = x

given area is 220 sq. inches.

thus,

220 = x * (2x+3)

220 = 2x² +3x

2x² + 3x -220 = 0

x = (-b + √ ( b²-4ac) ) ÷ 2a

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One cause of major climate changes is the position of Earth relative to the _________________.
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Step-by-step explanation:

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3 years ago
How do you find the unit rate
Sergio039 [100]

Answer:


Step-by-step explanation:

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Differentiate the following functions (x^3+1)(x-2)÷x^2​
Masja [62]

Given:

The given function is:

\dfrac{(x^3+1)(x-2)}{x^2}

To find:

The differentiation of the given function.

Solution:

Consider the given function,

y=\dfrac{(x^3+1)(x-2)}{x^2}

It can be written as:

y=\dfrac{(x^3)(x)+(x^3)(-2)+(1)(x)+(1)(-2)}{x^2}

y=\dfrac{x^4-2x^3+x-2}{x^2}

y=\dfrac{x^4}{x^2}-\dfrac{2x^3}{x^2}+\dfrac{x}{x^2}-\dfrac{2}{x^2}

y=x^2-2x+\dfrac{1}{x}-\dfrac{2}{x^2}

Differentiate with respect to x.

y'=\dfrac{d}{dx}(x^2)-\dfrac{d}{dx}(2x)+\dfrac{d}{dx}(x^{-1})-\dfrac{d}{dx}\2(x^{-2})

y'=2x-2(1)+(-x^{-2})-2(-2x^{-3})

y'=2x-2-\dfrac{1}{x^2}+\dfrac{4}{x^3}  

Therefore, the differentiation of the given function is 2x-2-\dfrac{1}{x^2}+\dfrac{4}{x^3}.

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