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594

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+244

Very Important test question

A refirgerator pulls heat from the inside compartment at the rate of of 10kJ. It dumps 14 KJ into the air in the kitchen each cycle. What is the coefficient of the performance?

A. 0.40
B.0.71 read more ..

DamienDenninson Jun 7, 2016

0

1446

5

+244

entropy of water

when 100 g of liquid water initally at a temperature of 33 c freezes, the entropy of the water:
A.decreases
B.does not change
C.could either increase or decrease it depends on other factors read more ..

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DamienDenninson Jun 7, 2016

0

696

1

helppppppppppppp

simplify 3x3x3x3

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Guest Jun 7, 2016

0

434

1

Inequality

7.2x-4.8>24

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Guest Jun 7, 2016

0

658

3

+16

help...

5^((x+1)/(1-2x)) < 0.2^-3

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exora Jun 7, 2016

0

530

0

+244

Medical

A refirgerator pulls heat from the inside compartment at the rate of of 10kJ. It dumps 14 KJ into the air in the kitchen each cycle. What is the coefficient of the performance?

A. 0.40
B.0.71 read more ..

DamienDenninson Jun 7, 2016

0

526

0

+244

heat engine

a heat engine operates between a hot reservoir at 444 C and a cold reservoir at 111 C. What is the maximum theroretical efficicney possible this engine?

A. 46%
B.75% read more ..

DamienDenninson Jun 7, 2016

0

685

1

10-(2y-6)-y=?

10-(2y-6)-y=?
y=8

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Guest Jun 7, 2016

0

535

2

Math

how many dimes are there in $7.30

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Guest Jun 7, 2016

0

477

1

permutations and commbinations

a class has 35 students, and is choosing 6 students to represent them at a school-wide spelling bee. The winning class gets a pizza party. how many different teams are possible from that class?

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Guest Jun 7, 2016

0

575

3

+16

rly need help...

(9/25)^((4x^2)+4x-11))*(5/3)^(2x+1)=(5/3)^9

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exora Jun 7, 2016

0

510

1

The question of Pi

If a pie ate Pi what would happen?

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Guest Jun 7, 2016

0

834

1

what is the GCF of 7,14,49, and 63

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Guest Jun 7, 2016

0

526

2

Im having trouble with this problem can you help me?

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Guest Jun 6, 2016

0

471

0

Im having trouble with this problem can you help me?

Guest Jun 6, 2016

0

606

1

can you help me with this algebra problem?

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Guest Jun 6, 2016

0

838

1

What symbol is a comma in math?

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Guest Jun 6, 2016

0

522

1

Hey im just wanting to know how do frieze patterns work

Hey im just wanting to know how do frieze patterns work

yes it is me who asked about them yesterday but never got an answer so if it asks to add 6 more tiles and the image is mirrior viewed what do i do

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Guest Jun 6, 2016

0

432

2

8% of a number

how do I figure 8% of a number

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Guest Jun 6, 2016

0

1011

1

sine and cosine law

sin(68)/x=sin(37)/3 how do you find the value of x

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Guest Jun 6, 2016

0

482

0

+244

Medical Physics

A refirgerator pulls heat from the inside compartment at the rate of of 10kJ. It dumps 14 KJ into the air in the kitchen each cycle. What is the coefficient of the performance?

A. 0.40
B.0.71 read more ..

DamienDenninson Jun 6, 2016

All Questions ⁺⁰237665 Questions

Very Important test question

entropy of water

helppppppppppppp

Inequality

help...

Medical

heat engine

10-(2y-6)-y=?

Math

permutations and commbinations

rly need help...

The question of Pi

what is the GCF of 7,14,49, and 63

Im having trouble with this problem can you help me?

Im having trouble with this problem can you help me?

can you help me with this algebra problem?

What symbol is a comma in math?

Hey im just wanting to know how do frieze patterns work

8% of a number

sine and cosine law

Medical Physics

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