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4 years ago

I need help on this........................

Mathematics

1 answer:

marta [7]4 years ago

7 0

Answer:

125

Step-by-step explanation:

i did it too

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Surface area of a cylinder with height of 20 and radius of 9

sveta [45]

Answer:

#stopcheatingonhomework

Step-by-step explanation:

8 0

3 years ago

What is the probabililty of getting heads when a coin and getting a number greater than or equal to 4 when rolling a single die

Alexxandr [17]

1/2 on both die, and coin

6 0

3 years ago

What is 32 % of 50 ?

Aleksandr-060686 [28]

Answer:

The result=16

Step-by-step explanation:

The result of 32% of 50 can be expressed as;

R=P×O

where;

R=result

P=percentage

O=original value

In our case;

R=unknown

P=32 %

O=50

replacing;

R=32 % of 50

R=32%×50

R=(32/100)×50

R=0.32×5=16

The result=16

6 0

3 years ago

A number that has four identical even

evablogger [386]

Answer:

210?

Step-by-step explanation:

210 has factors of 2, 3, 5, and 7

6 0

2 years ago

Read 2 more answers

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.

5 0

3 years ago