The perimeter of the square and the equilateral triangle shown are the same. Write an equation to represent the solution, and solve for x. Then find the perimeter for each shape

Equation: 4(2.5x-3)=3(2x-2) // x=1.5 // Perimeter: 3

Step-by-step explanation:

Perimeter of square: 4s

Perimeter of triangle: 3s

Square: 4(2.5x-3)

Triangle: 3(2x-2)

Set them equal:

4(2.5x-3)=3(2x-2)

Distribute

10x-12=6x-6

Move variables to one side and numbers to the other.

Subtract 6x from both sides.

10x-6x-12=6x-6x-6

4x-12=-6

Add 12 to both sides.

4x-12+12=-6+12

4x=6

Divide both sides by 4.

x=1.5

Plug that into one of the original expressions to find perimeter.

3(2x-2)

3[2(1.5)-2]

3[3-2]

3(1)

3

The perimeter is 3 units.

15%

step-by-step explanation:

use the table and count the number of guesses that has two correct answers.

the following are two correct answers

10010, 01100, 11000

a total of 3 numbers having 2 correct guesses out of 20 questions.

probability of getting 2 correct guesses = the number of questions getting 2 correct answers / total number of questions.

= 3/20

to convert it into percent multiply by 100, we get

= 3/20 * 100

= 15%

the answer is 15%

you.

14.3

step-by-step explanation:

add all the numbers together.

9 + 12 + 15 + 16 + 17 + 17 = 86

now, divide 86 by how many numbers we have: 6.

86 / 6 = 14.3