4. How does the law of conservation of energy apply to the coal power plant?

1 answer:

34kurt3 years ago

3 0

law states that energy cannot be created nor destroyed but it can only be transferred from one form to another form. (Coal - Fuel) Chemical energy is converted into heat energy during combustion. With the help of heat generated, the water is converted into steam.

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A hand consists of 1 card drawn from a standard 52-card deck with flowers on the back and 1 card drawn from a standard 52-card d

miskamm [114]

Answer:

A) 2704 hands

B) 16 hands

C) 144 hands

D) 384 hands

E) 208 hands

F) 400 hands

Step-by-step explanation:

See the attached file for explanation

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3 years ago

16 is 4% of what number?

IrinaK [193]

16 is 4% of 400

Change the percentage into a decimal by dividing the decimal over 100:
$\frac{4}{100} = 0.04$

Divide 16 by the decimal (0.04):
$16 \div 0.04 = 400$

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3 years ago

A rental car company charges $35 a day plus $.15/mi for a mid-size car. A customer owes $117.25 for a three-day rental. How many

Molodets [167]

The base charge is 35 dollars per day. He rented the car for 3 days, so before you add in the mileage you have to multiply 35 x 3 days for 105 dollars. Then you have to take the remaining charge and divide it by the charge per mile to get the number of miles driven. Lets set up the equation.

d= number of days rented
m= number of miles driven

35(d) + .15(m) = 117.25
35(3) + .15m = 117.25
105 + .15m = 117.25
.15m = 117.25 - 105
.15m = 12.25
m = 12.25/.15
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So he drove 81.67 miles

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3 years ago

What is the LCM of x^2+4x, x^2

nordsb [41]

$x^2+4x=x\cdot (x+4)\\
x^2= x\cdot x\\\\
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What is the property of a(ab)+(ab)b

BARSIC [14]

Communitive Property

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3 years ago

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