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KonstantinChe [14]
2 years ago
7

Determine the molar mass of freon-11 gas if a sample weighing.

SAT
1 answer:
alina1380 [7]2 years ago
5 0
The mass of freon-11 gas is m=0.597g m = 0.597 g .
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The cost, c, of a ham sandwich at a deli varies directly with the number of sandwiches, n. If c = $54 when n is 9, what is the c
77julia77 [94]
C=18
if c=54 when n=9, and you need to know c when n is 3, just divide 54 by 3 as well! hope this helped
5 0
3 years ago
(1) Farmer Ben has only ducks and cows 21 in total. He can’t remember how many of each he has. He knows
gavmur [86]

Answer:

Answer of question 1 :

Explanation:

Let x be the legs of ducks

And y be the legs of cows

According to the question,

2x + 4y = 52...…..(i) ( as ducks ahs two legs and as cows has 4 legs)

As he has 21 animals in total so,

x + y = 21...…..(ii)

We have make the equation. We will solve them by eliminatory method or substitution method. Here, I'll go for substitution method.

From equation (ii)

x = 21 - y....…..(iii)

Putting the value of x in equation (i),

2x + 4y = 52

2( 21 - y ) + 4y = 52

42 - 2y + 4y = 52

2y = 52 - 42

y = 10/2

y = 5 ( He has 2 cows)

putting the value of y in equation (ii)

x + y = 21

x + 5 = 21

x = 21 -5

x = 16 ( He has 16 ducks)

7 0
3 years ago
Which geographic factors present problems for the middle east?.
Grace [21]
Rivers allowing for productive agriculture were the key factor in the settling of cities. Mountain ranges kept cultures in separate areas, providing natural barriers to imperialist agendas. The rich, fertile soil of the Middle East led early civilizations to settle, domesticate plants and animals, and thrive.

Do not take word for word
6 0
2 years ago
The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound.
tiny-mole [99]

Answer:28 decibels

Explanation:

trust me bro

6 0
2 years ago
A key element of the sociological definition of deviant behavior is that.
skad [1K]

Answer:

A key element of the sociological definition of deviant behavior is that. a behavior may be judged as deviant in one situation but not in another.

4 0
2 years ago
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