The length of each of the legs of an isosceles triangle is represented by the expression 5x - 2 inches. The length of the base of the isosceles triangle is represented by the expression 3x + 1 inches.

The perimeter of the isosceles triangle is 42 inches.

Determine whether each equation represents the perimeter of the isosceles triangle, in inches.

Select ‘Yes’ or ‘No’ for each equation.

1. 13x - 3 = 42

2. (10x - 2) + (3x + 1) = 42

3. 2(5x - 2) + 2 (3x + 1) = 42

4. 5x - 2 + 3x + 1 + 5x - 2 = 42

correct answer is option b.

step-by-step explanation:

the true statement about geometric figure is option b that is one line can be drawn through all three points.

if three points are on the same plane, they can be connected by a line.

income. 10x+1300

expenses 3x+(1800+1500)

expenses 3x+3300

to break even:

income = expense,

10x + 1300 = 3x + 3300,

solve for x.

step-by-step explanation:

mark brainliest

let x and 400 - x be the two numbers.  

==> 0.80x + 0.85(400 - x) = 400 - 68 from the statement of the problem.  

< ==> 0.80x + 0.85(400 - x) = 400 - 68  

==> 340 - 0.05x = 332  

< ==> -0.05x = -8 ==> x = 160, the first number ==> 400 - x = 240, the second number.