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insens350 [35]
3 years ago
12

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

Mathematics
1 answer:
34kurt3 years ago
3 0
 law<span> states that </span>energy<span> cannot be created nor destroyed but it </span>can<span> only be transferred from one form to another form. (</span>Coal<span> - Fuel) Chemical </span>energy<span> is converted into heat </span>energy<span> during combustion. With the help of heat generated, the water is converted into steam.</span>
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A small auditorium has 10 rows of seats. There are 12 seats in the row and 16 seats in the second row the number of seats in a r
guapka [62]

This problem can be solved through simple arithmetic progression

Let

a1 = the first term of the sequence

a(n) = the nth term of the sequence

n = number of terms

d = common difference

Sn = sum of all terms

 

given

a1 = 12

a2 = 16

n = 10

 

d = 16 -12 = 4

@n = 10

a(n) = a1 + (n-1)d

a(10) = 12 + (9)4

a(10) = 48 seats

 

Sn = (n/2) * (a1 + a(10))

Sn = 5* (12 + 48)

Sn = 300 seats

 

Therefore the total number of seats is 300.

 

 

4 0
3 years ago
Price-club sells a 12-ounce box of crackers for $2.59 and Shop Mart sells 1-1/2 pound box of crackers for $4.68. What is the uni
katen-ka-za [31]

Unit price would be the price per ounce.

Divide the total cost by the number of ounces:

Price Club : 2.59 / 12 = $0.216 per ounce

Shop Mart: 1-1/2 pounds = 1.5 x 16 = 24 ounces.

4.68 / 24 = $0.195 per ounce.

7 0
3 years ago
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What number is greater 5 or 5.01
denpristay [2]
5.01 is greater

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7 0
3 years ago
Simple interest rate earned after 12 years on 1350 at an interest rate of 8%
Mademuasel [1]

Answer:

1296

Step-by-step explanation:

Simple interest is

I = PRT where I is the interest P is the principle, r is the rate and t is the time

I = 1350 * .08 * 12

I = 1296

8 0
3 years ago
2/3=(1/2)/x solve for x
DedPeter [7]

Answer:

x=3/4

Step-by-step explanation:

Look at the picture so you understand how To solve it.

5 0
3 years ago
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