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Vaselesa [24]
3 years ago
11

What is the perimeter of a rectangle whose sides are of lengths (3z+2) units and (2z+3) units

Mathematics
2 answers:
tiny-mole [99]3 years ago
8 0
We know, the Perimeter = 2(l + w)
Here., l = 3z + 2
w = 2z + 3

Substitute their values, 
P = 2(3z + 2 + 2z + 3)
P = 2(5z + 5)
P = 10z + 10

In short, Your Answer would be 10z + 10

Hope this helps!
Lerok [7]3 years ago
6 0
2(3z+2)+2(2z+3)
6z+4+4z+6
6z+4z+4+6
(10z+10) units

Hope this helps :)
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3 years ago
The combined height of one for tree and one pine tree is 21 meters. The height of 4 for trees stacked on top of each other is 24
slamgirl [31]

Answer:

The height of the fir tree is <u>9 meters</u> tall and the pine tree is <u>12 meters</u>.

Step-by-step explanation:

Given:

Note :→ there is a mistake it is <u>fir tree</u> not for tree.

The combined height of one fir tree and one pine tree is 21 meters.

The height of 4 fir trees stacked on top of each other is 24 meters taller than one pine tree.

Now, to find how tall are the types of trees.

Let the height of one fir tree bex.

And the height of one pine tree be y.

So, the combined height of one fir tree and one pine tree:

x+y=21.

y=21-x..........( 1 )

Now, as given the height of 4 for trees stacked on top of each other is 24 meters taller than one pine tree:

4x=y+24.

Putting the value of equation (1) in the place of y :

4x=21-x+24

<em>Adding both the sides x we get:</em>

5x=21+24.

5x=45.

<em>Dividing both the sides by 5 we get:</em>

x=9\ meters.

<em>So, the height of one fir tree = 9 meters.</em>

Now, putting the value of x in equation (1) we get:

y=21-9

y=12\ meters.

<em>Thus, the height of one pine tree = 12 meters.</em>

Therefore, the fir tree is 9 meters tall and the pine tree is 12 meters tall.

6 0
3 years ago
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4 0
3 years ago
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Answer:

y = 2x - 5

Step-by-step explanation:

Using the slope intercept formula y2 - y1 / x2 -x1...

You get a slope of 2 so y = 2x +b

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1 = 2(3) + b

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So the slope-intercept form would be...

y = 2x - 5

3 0
3 years ago
The sum of two consecutive odd integers is 236. What is smaller integers
evablogger [386]
I'll say the first integer is x.  The next consecutive odd number would be x+2.  If the sum of the odd integers is 236, the equation would be
x + (x + 2) = 236
solve for x
2x + 2 = 236    
subtract 2 from each side of the equation
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divide both sides by 2
x = 117
117 is the first odd integer.  to find the other integer (x + 2), substitute 117 for x, and you have 117 + 2, which equals 119
The two consecutive odd integers that add up to 236 are 117 and 119.
6 0
3 years ago
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