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Lady_Fox [76]
3 years ago
10

How many nitrogen atoms are in one molecule of the compound Al(NH 3 ) 2 ?

Mathematics
1 answer:
jarptica [38.1K]3 years ago
5 0

The answer is 2 nitrogen atoms

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Write the perimeter of the triangle in<br> simplest form.
Genrish500 [490]

Answer:

6x +3

Step-by-step explanation:

Perimeter of a triangle is the sum of all the length of its sides. Since a triangle as 3 sides, add the 3 lengths together.

Perimeter of triangle= 2x -6 +x +8 +3x +1

<em>Bringing</em><em> </em><em>all</em><em> </em><em>the</em><em> </em><em>x</em><em> </em><em>terms</em><em> </em><em>together</em><em> </em><em>and</em><em> </em><em>constants</em><em> </em><em>together</em><em>:</em>

Perimeter of triangle= 2x +x +3x -6 +8 +1

<em>Simplify:</em>

Perimeter of triangle= 6x +3

4 0
3 years ago
A store sells packages of comic books with a poster. A poster and 5 comics cost ​$15.75 A poster and 11 comics cost ​$27.75 Writ
Vanyuwa [196]

Answer:

y=x+5.99

Step-by-step explanation:

A poster and 2 comics cost ​$7.99

(2,7.99)

A poster and 11 comics cost ​$16.99.

(11,16.99)

Let y be the cost of package and x be the no. of comics

We will use two point slope form :

(x1,y1) = (2,7.99)

(x2,y2) = (11,16.99)

Formula :

y-y1 = y2-y1/x2-x1(x-x1)

Substitute the values:

Hence a linear function rule that models the cost y of a package containing any number x of comic books is y=x+5.99

8 0
3 years ago
What is the perimeter of rectangle JKLM?
egoroff_w [7]

Answer:

16

Step-by-step explanation:

7 0
2 years ago
Twenty five employees decide to chip in to buy a small refrigerator for the office. If the cost of the refrigerator is 275 how m
ira [324]

Answer:

Each employee will need to contribute $55.

Step-by-step explanation:

275 / 5 = 55

5 0
3 years ago
Read 2 more answers
(a) The price of a newspaper increased from $0 97 to 91.13<br><br>Calculate the percentage increase​
marissa [1.9K]

Answer:

90.16

Step-by-step explanation:

91.13 - 0.97=90.16

6 0
2 years ago
Read 2 more answers
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