This is a lot of calculation.
So we know that the sum of angles for any heptagon is 900, because heptagon can be divided into five non-overlapping triangles and sum of angles of each triangle is 180.
Now you just add up all angles and simplify the equation:
900 = (6x - 8) + 120 + (7x - 64) + (5x - 4) + 135 + (3x + 31) + (4x + 15)
900 = <span>25x + 225
Now it's just regular algebra equation. You can solve for x:
675 = 25x
x = </span>27
So the value of x is 27
Answer:
10
Step-by-step explanation:
Answer:
Apply inverse law
a a⁻¹ = 1
The solution of the given linear equation is x = -6
Step-by-step explanation:
<u><em>Step(i):-</em></u>
Given equation -3 x-5=13
Adding '5' on both sides, we get
- 3 x - 5 + 5 = 13 + 5
- 3 x = 1 8
<u><em>step(ii):-</em></u>
apply inverse law
a a⁻¹ = 1
(- 3)(-3)⁻¹ x = 18 (-3)⁻¹
x = 18/-3 = -6
(or)
Dividing '-3' on both sides , we get
x =- 6
I think it's 2 5\6
because you have 2 whole fts and 10\12 of a foot which reduces to 5/6 when you divide the numerator and denominator by 2 which they have the highest common divider.
Answer:
The answer is 3/5.
Step-by-step explanation:
It is given that there are 30 students in a class and only 18 students own a pet so you write it as :
no. of students / total students
= 18/30
= 3/5
