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n200080 [17]
3 years ago
10

Un motor de combustión interna que cumple el ciclo ideal de Otto, funciona con aire como gas ideal. Tras el proceso de admisión

tiene una temperatura de 17°C y una presión de 110kPa. La temperatura máxima es de 1300K. El volumen antes y después de la compresión es de 1200cm3 y 150cm3 respectivamente. η_otto=1-1/r^((k-1))
Mathematics
1 answer:
sineoko [7]3 years ago
6 0

Answer:

i no speak spanish

Step-by-step explanation:

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Which expressions are equivalent to -3(2+7) A: -6+21 or B:-21+6​
Neporo4naja [7]

<u>Answer:</u>

None

<u>Explanation:</u>

-3(2+7) = -3×9 = -27

-6+21 = 15

-21+6​ = -15

Hence there is no equivalence

3 0
3 years ago
2c +3 = 3c - 4<br> Help me please
VashaNatasha [74]

Hey there!

<u>Solve </u><u>the </u><u>equation</u><u>:</u>

  • Answer :

c = 7 ✅

  • Explanation

2c + 3 = 3c - 4

<em>></em><em>></em><em> </em><em>Subtract </em><em>3</em><em> </em><em>from </em><em>both </em><em>sides </em><em>:</em>

<em> </em>

2c + 3 - 3 = 3c - 4 - 3

2c = 3c - 7

<em>></em><em>></em><em> </em><em>Substrat </em><em>3</em><em>c</em><em> </em><em>from </em><em>both </em><em>sides </em><em>:</em>

2c - 3c = 3c - 7 - 3c

-c = -7

<em>></em><em>></em><em> </em><em>Divide</em><em> </em><em>each </em><em>side </em><em>by </em><em>-</em><em>1</em><em> </em><em>:</em>

-c / -1 = -7 / -1

c = 7

  • Let's verify:

2c + 3 ⇔ 2(7) + 3 ⇔ 14 + 3 ⇔ 17

3c - 4 ⇔ 3(7) - 4 ⇔ 21 - 4 ⇔ 17

Therefore, your answer is c = 7 .

Mor about equation :

brainly.com/question/27353929

Have a good day :)

6 0
2 years ago
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You roll a die. What is the probability that 2 will not appear on the die
Shalnov [3]

Answer: 5/6

Step-by-step explanation: its because it has a 5/6 chance to not land on 2 if i were to roll a die and ExPeCt to land on a 2 it would be 1/6

so the answer is "the probability is 5/6 chance"

3 0
3 years ago
Read 2 more answers
Can someone help me ?
Alex Ar [27]
All you need to do is divide 2.25 by 2!

The answer is  1.125!

I hope this helps! :)


5 0
3 years ago
The tallest man in medical history was Robert Wadlow. He was 12 4/5times as tall as he appears in a Book of Reords photograph. H
kobusy [5.1K]
Hey! your answer would be 96 inches which is eight feet!

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