Question

X=2иy=1,5-уравнение5/8x-by=-4,75

Answer 1

5/16-1,5b=-4.75;
-1.5b=-4.75-5/16= (-4.75=-19/4) =-76/16-5/16=-81/16;
b=81/16:1.5= (1.5=3/2) =81/16*2/3=27/8=3.375

Answer 2

To solve the equation (5/8)x - by = -4.75 with the given values x = 2и and y = 1.5, we substitute these values into the equation:

(5/8)(2и) - b(1.5) = -4.75

To simplify, we can convert 2и to a decimal value:

2и = 2 * 3.14159... ≈ 6.28318...

Substituting the values:

(5/8)(6.28318...) - b(1.5) = -4.75

Multiply (5/8) by 6.28318...:

(5/8)(6.28318...) = 3.92699...

The equation becomes:

3.92699... - 1.5b = -4.75

Now, let's isolate the term with "b" by moving the constant term to the other side:

3.92699... = -4.75 + 1.5b

Adding 4.75 to both sides:

3.92699... + 4.75 = 1.5b

8.67699... = 1.5b

Now, divide both sides by 1.5:

(8.67699...) / 1.5 = b

Approximately, b ≈ 5.78466...

So, the approximate solution to the equation is b ≈ 5.78466.