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3 years ago

Need help please, I dont

Mathematics

2 answers:

aivan3 [116]3 years ago

3 0

Answer:

The last answer

Step-by-step explanation:

Intigers are whole numbers

sineoko [7]3 years ago

3 0

the answer is c because the inbetween numbers are 7,8 and 9

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The output y and input x of a device are related by y = x + 1.4x3 . (a) Find the values of the output for steady-state operation

erma4kov [3.2K]

Answer:

a) $y(1) = 2.4$ , $y(2) = 13.2$ , b) $y(x) = 2.4 + 5.2\cdot (x-1)$ , $y(1) = 2.4$ , $y(2) = 7.6$

Step-by-step explanation:

a) The values of the output for steady-state operation are:

$y(1) = 1 + 1.4\cdot (1)^{3}$

$y(1) = 2.4$

$y(2) = 2 + 1.4\cdot (2)^{3}$

$y(2) = 13.2$

b) The formula for linearization is:

$y(x) = y(1) +\frac{dy}{dx}|_{x = 1} \cdot (x-1)$

The first derivative of the formula evaluated at x = 1 is:

$\frac{dy}{dx}|_{x=1} = 1 + 4.2\cdot (1)^{2}$

$\frac{dy}{dx}|_{x=1} = 5.2$

The linearized model is:

$y(x) = 2.4 + 5.2\cdot (x-1)$

The output at x = 2 is presented below:

$y(2) = 2.4 + 5.2\cdot (2-1)$

$y(2) = 7.6$

Linearized model offers reasonable approximations for small intervals.

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3 years ago

Find the area of the kite. Round to the nearest tenth

LUCKY_DIMON [66]

Answer:

Step-by-step explanation:

If the area equals p*q divided by 2 then your equation would look like this,

A= 2.4*16.4/2

A=39.36/2

A= 19.68‬ in^2

When rounded A=19.7 in^2

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Step-by-step explanation:

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