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yanalaym [24]
3 years ago
11

Help me find the perimeter of this square. if you can do it step by step please!

Mathematics
1 answer:
Kruka [31]3 years ago
8 0

Answer:

396

Step-by-step explanation:

It's a square.

That means that all four sides are equal.

So the two expressions you have been given are equal.

2.5x + 76.5 = 12x - 9            Subtract 2.5x from both sides.

<u>-2.5x               -2.5x</u>  

          76.5 = 9.5x - 9          Add 9 to both sides

          <u>  9                 9</u>

          85.5 = 9.5x              Divide by 9.5

       85.5/9.5 = x

x = 9

That is just the value for x. It is not the answer

Side = 12x - 9

Side = 12*9 - 9

Side = 108 - 9

Side = 99

The perimeter = 4 * Side

The perimeter = 4 * 99

Perimeter = 396

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3 years ago
Today the entire school 250 students went to the soap box derby the math club went in 2 vans and each van held 6 students how ma
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Answer:

12 students from math club

Step-by-step explanation:

Number of vans = 2

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3 years ago
Sam and Bryan meet at the gym. Sam travels 6 miles farther to the gym than Bryan. Three times the distance Bryan travels is 12
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Answer:

x+6=y and 3x=12

Step-by-step explanation:

Let x be the distance traveled by Bryan and let y be the distance traveled by Sam then the first equation would be:

x+6=y (x plus 6 is equal to y, Bryan's distance plus 6 is equal to Sam's distance) and the second one is:

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So our statements/equations are:

x+6=y and

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4 0
3 years ago
Please help, thanks I’m advance!
netineya [11]

Answer:

A

Step-by-step explanation:

(x+2)©= x©+4x+4

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A 16-ounce bottle of orange juice says it contains 200 milligrams of vitamin C, which is 250% of the daily recommended allowance
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Answer:

100% of the daily recommended allowance of vitamin C for adults is 80 milligrams.

Step-by-step explanation:

A 16-ounce bottle of orange juice says it contains 200 milligrams of vitamin C, which is 250% of the daily recommended allowance of vitamin C for adults.

100% will have = \frac{200}{250}\times100 = 80 milligrams

Hence, 100% of the daily recommended allowance of vitamin C for adults is 80 milligrams.

8 0
3 years ago
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