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katrin2010 [14]
3 years ago
13

11 Seven less than a number is 15 You can help me.​

Mathematics
1 answer:
Goshia [24]3 years ago
5 0

Answer:

x - 11 = 15

Step-by-step explanation:

x is rpthe unknown number

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AM= 5x+10 MB= 4x+16 is the midpoint of AM. Find AM
Lady bird [3.3K]
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6 0
3 years ago
a garden is in the shape of a square with a perimeter of 60 feet. the garden is surrounded by two fences. one fence is around th
Anon25 [30]

Answer: The total cost of the fences=$165.6

Step-by-step explanation:

Let a = the length of the side if the square.

The perimeter of the square is 60 ft

                                   4a = 60ft

divide both sides by

                                  4a = 60/4

                                    a = 15 ft

The garden is surrounded by two fences, one fence is around the perimeter of the garden, whereas the second fence is 3 feet from the first fence on the outside

Expand to get:

                               4*a + 4(a + 2*3)

Replace a with 15 to get:

                         =  4*15 + 4(15 + 6) 60 + 4(21) 60+84

                         = 144ft

The cost of the fence is $1.15 per foot

The cost of 144 ft fence will be:

                       = 144*1.15

                       = $165.6

Learn more about event correlation here: brainly.com/question/1333555

#21165

7 0
1 year ago
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