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Ymorist [56]
2 years ago
13

11. What is the approximate distance

Mathematics
1 answer:
nekit [7.7K]2 years ago
6 0
A is the approximate distance
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Write a definite integral that represents the area of the region. (Do not evaluate the integral.)
joja [24]

Answer:

\int_{-1}^{1}7(x^{3}-x)\:dx

Step-by-step explanation:

1)  The other curve is y=0 then the common points of both curves are x-intercepts, the roots of y=7(x^{3}-x)

y=7(x^{3}-x)\Rightarrow 7(x^3-x)=0 \Rightarrow 7(x^{3}-x)=7x(x-1)(x-1)\Rightarrow \\S=\left ( 0,0 \right ),\left ( -1,0 \right ),\left ( 1,0 \right )

2). Then those intersection points are the upper and the lower limits. Plugging in to this formula for they belong to the interval [-1,1]:

\int_{a}^{b}|f(x)-g(x)dx

\int_{a}^{b}|f(x)-g(x)dx \Rightarrow \int_{-1}^{1}|7(x^{3}-x)-0|dx \Rightarrow \int_{-1}^{1}7(x^{3}-x)\:dx

 

8 0
3 years ago
Need help with Writeing the quadratic function with at two zero where x = ‒2 and x = 0.
Pachacha [2.7K]
We can create the equation like this:
(x +2) * (x +0)
x^2 + 2x + 0 = 0

8 0
3 years ago
K over 1.5 =3 what is the value of k
Makovka662 [10]
4.5 is equal to k. This is the answer .
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Will mark brainliest !!
ikadub [295]

Given Fig.is a triangle

Perimeter is simply sum of the all sides of a triangle

1/3x + 7/x^2 + (x+2)/x

=[ x+ 21 + 3x(x+2)]/3x^2

= (x+ 21 + 3x^2 + 6x)/3x^2

= (3x^2 + 7x +21)/3x^2

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3 years ago
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Can u do this math plzs help
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I believe it is the last that is highlighted in yellow
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