Answer:
There are five triangles in a heptagon. A heptagon is a seven-sided polygon.
Step-by-step explanation:
75+ 15x ≥ 140
⇒ 15x ≥ 140-75
⇒ 15x ≥ 65
⇒ x ≥ 65/15
⇒ x ≥ 13/3
⇒ x ≥ 4 1/3
Final answer: x ≥ 4 1/3~
Answer:
The given expression in simplified form is: 
Step-by-step explanation:
Simplifying the expression involve reducing the number of terms to minimum and making the expressions in standard form.
This may involve addition, subtraction and multiplication of variables.
Given expression is:

Distributing 5x will give us:

Hence,
The given expression in simplified form is: 
Answer: third one
Step-by-step explanation: if you do the equation you will see the result and will be equivalents to numbers higher or exact to 0.
Answer:
x =105002
Step-by-step explanation:
5x=525010
Divide each side by 5
5x/5=525010/5
x =105002