melanysorto46 melanysorto46
  • 24-02-2020
  • Mathematics
contestada

The length of the side of an equilateral triangle is represented by 2x - 1. If the perimeter of the triangle is 21 what is the value of x

Respuesta :

surjithayer10 surjithayer10
  • 24-02-2020

Answer:

Step-by-step explanation:

3(2x-1)=21

2x-1=7

2x=8

x=4

Answer Link
amna04352
amna04352 amna04352
  • 24-02-2020

Answer:

4

Step-by-step explanation:

All sides equal

3(2x - 1) = 21

2x - 1 = 7

2x = 8

x = 4

Answer Link

Otras preguntas

is 5(x+1) the same as 5x+1? Explain your answer.
Write "yes" or "no" to state whether or not the given side lengths would form a right triangle.
Answer fast DONT scam
Solving One Step Inequalities
look at the pic i’ll mark brainliest
State the decimal place value for 101.3
Please help, due soon! Different stimuli create various reactions in our bodies. Name the three types of stimuli. For two of these, give an example.
If a quadrilateral is a parallelogram, it has 2 pairs of congruent sides. What is the converse of the conditional statement?
Lesson 10 Test Sheet tD nombre Verb Conjugation lee Directions: Circle the correct conjugation of the given verb. 46, yo hablar habla hablamos hablo 47. usted l
Read the passage from The American Plague. Monday, October 28. George Washington had been impatient since his departure from Philadelphia in early September. Wh