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Sophie [7]
3 years ago
11

Which of the following is not true about Machine Learning?Machine Learning was inspired by the learning process of human beings.

Machine Learning models iteratively learn from data, and allow computers to find hidden insights. Machine Learning models help us in tasks such as object recognition, summarization, and recommendation. Machine learning gives computers the ability to make decision by writing down rules and methods and being explicitly programmed.
Engineering
1 answer:
Anton [14]3 years ago
3 0

Answer:

Machine learning gives computers the ability to make decision by writing down rules and methods and being explicitly programmed.

Explanation:

Machine learning algorithms build a mathematical model based on sample data, known as "training data", which it uses to make predictions or decisions without being explicitly programmed to do so.

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B1) 20 pts. The thickness of each of the two sheets to be resistance spot welded is 3.5 mm. It is desired to form a weld nugget
kap26 [50]

Answer:

minimum current level required =  8975.95 amperes

Explanation:

Given data:

diameter = 5.5 mm

length = 5.0 mm

T = 0.3

unit melting energy = 9.5 j/mm^3

electrical resistance = 140 micro ohms

thickness of each of the two sheets = 3.5mm

Determine the minimum current level required

first we calculate the volume of the weld nugget

v = \frac{\pi }{4} * D^2 * l = \frac{\pi }{4} * 5.5^2 * 5 = 118.73 mm^3

next calculate the required melting energy

= volume of weld nugget * unit melting energy

= 118.73 * 9.5 = 1127.94 joules

next find the actual required electric energy

= required melting energy / efficiency

= 1127 .94 / ( 1/3 )  = 3383.84 J

TO DETERMINE THE CURRENT LEVEL REQUIRED  use the relation below

electrical energy =  I^2 * R * T

3383.84 / R*T = I^2

3383.84 / (( 140 * 10^-6 ) * 0.3 ) = I^2

therefore  8975.95 = I ( current )

4 0
3 years ago
A power company desires to use groundwater from a hot spring to power a heat engine. If the groundwater is at 95 deg C and the a
prisoha [69]

Answer:

W  = 12.8 KW

Explanation:

given data:

mass flow rate = 0.2 kg/s

Engine recieve heat from ground water at 95 degree ( 368 K)  and reject that heat to atmosphere  at 20 degree (293K)

we know that maximum possible efficiency is given as

\eta = 1- \frac{T_L}{T_H}

\eta = 1 - \frac{ 293}{368}

\eta = 0.2038

rate of heat transfer is given as

Q_H = \dot m C_p \Delta T

Q_H = 0.2 * 4.18 8(95 - 20)

Q_H = 62.7 kW

Maximuim power is given as

W = \eta Q_H

W = 0.2038 * 62.7

W  = 12.8 KW

3 0
3 years ago
Amplifiers are extensively used in the baseband portion of a radio receiver system to condition the baseband signal to produce a
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Answer:

Please see the attached file for the complete answer.

Explanation:

Download pdf
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3 years ago
thier only motto and goal is to work for society and not make any profits A.small business entreprenuership B.scalable start up
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Answer:

social entrepreneurship

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The input and output signals of a system is related by the following equation: fraction numerator d squared y over denominator d
Colt1911 [192]

Answer:

Explanation:

The given equation is :

\frac{d^{2}y }{dx^{2} } + sin(3y) \frac{dy}{dt} + y = t\frac{df}{dt} + f

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