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postnew [5]
3 years ago
8

An engine operating on Dual cycle has a compression ratio of 12. The pressure and temperature at the start of adiabatic compress

ion is 100 KPa. and 37 degree Centigrade. The peak pressure of the cycle is not no exceed 8000 KPa. and the heat supplied to the cycle is 2000 KJ per Kg. of air. Determine the cycle thermal efficiency
Mathematics
1 answer:
viktelen [127]3 years ago
7 0
I am not sure but I hope you have a good day good luck
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Use the graph to find the solution to this system of linear equations.
leva [86]

Answer:

-1, -1/2

Step-by-step explanation:

The solution is the intersecting point. The two lines intersect at (-1, -1/2)

3 0
3 years ago
Find the number of ways to purchase 5 different kinds of juices from a selection of 10 juices
guapka [62]
Formula for combinations:
(n!)/(r!(n-r)!)

For you, this is:
10!/(5!(10-5)!) = 10!/5!5! = (10•9•8•7•6•5•4•3•2)/(5•4•3•2)(5•4•3•2) = (10•9•8•7•6)/(5•4•3•2) = 30240/120=252 different ways.
8 0
3 years ago
[!!!!]
dmitriy555 [2]

option A is correct answer friend

3 0
3 years ago
A criminal has escaped in a train wreck. The police believe he could have traveled no more than 7 mi in any direction from the w
adelina 88 [10]

Answer:

A = 153.94 sq mi

Step-by-step explanation:

In this scenario, we would be starting from the center point and searching the area of a square since the distance in every direction would the same 7 mi. This 7-mile distance would be our radius in this scenario. We now need to use the formula for the Area of a circle to calculate the search area. This formula is the following

A = \pi r^{2}

A = \pi 7^{2}

A = \pi 49

A = 153.94 sq mi

A total of 153.94 square miles must be searched.

5 0
3 years ago
Plz answer me will mark as brainliest plz give with explanation and picture ​
avanturin [10]

Answer:

2,3,5,7are prime number and 4,6,8,9are compostion number

6 0
3 years ago
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