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kipiarov [429]
2 years ago
12

Find the perimeter of a rectangle with a width of (x - 3) and a length of 4x ​

Mathematics
1 answer:
Firdavs [7]2 years ago
7 0

Step-by-step explanation:

        4x

   __________

   |                     |

x-3|                    |     x-3

   |                     |

   |__________

           4x

Add all sides together to get perimeter

2(4x)+2(x-3)=10x-6

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3a-28-7a+10a <br><br> Someone PLEASE HELP
tiny-mole [99]

Answer:

6a - 28

Step-by-step explanation:

combine like terms

3a - 28 - 7a + 10a

3a - 7a + 10a = 6a

have a lovely day :)

8 0
2 years ago
Read 2 more answers
Please help me
lilavasa [31]

Answer:

$18.51

Step-by-step explanation:

23.42×.21= 4.91 then 23.42-4.91= your sale price which is $18.51

5 0
2 years ago
Select the correct answer.
Citrus2011 [14]

Yo sup??

4x+5y=-9

y=(-4x)/5-9/5

we see that this is of the form y=mx+c

where m is the slope

therefore the slope of the line is -4/5

To find y intercept, put x=0

y=-4*0/5-9/5

y=-9/5

Therefore y intercept is -9/5

Hope this helps.

5 0
2 years ago
What is the perimeter of the trapezoid graphed below?
Zanzabum
To get the perimeter of the trapezoid, we will add the lengths of the 4 sides together.
So, first we will need to get the length of each side.

Base of trapezoid = 8 - 2 = 4 units
The upper edge of the trapezoid = 6 - 4 = 2 units

Now, for the two side edges, we can note that they are both equal. So, we need to get only one length (as the other would be the same). I will get the length of the left side.
Coordinates of the start point are (2,4) which represent (x1,y1)
Coordinates of the end point are (4,9) which represent (x2,y2)
To get the distance between the two points, we will use the rule attached in the image below as follows:
distance = sqrt ((4-2)^2+(9-4)^2)
distance = √29
Therefore, each of the side edges equal √29 units

From the above, we can now easily get the perimeter as follows:
perimeter = 6 + 2 + √29 + √29
perimeter = 8 + 2√29 units

Based on the above calculations, the best choice would be:
D. 8 + 2√29 units

3 0
3 years ago
Read 2 more answers
Find the length of the third side. If necessary, write in simplest radical form.
Furkat [3]

Answer:

7

Step-by-step explanation:

3 0
2 years ago
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