admiralhoney66 admiralhoney66

01-02-2020
Mathematics

contestada

the perimeter of a triangle is 49cm.One side is 7cm longer than another side and 5cm shorter than the third side find sides

Respuesta :

Аноним Аноним

01-02-2020

P = a + b + c = 49 cm

a = b + 7 => b = a - 7

a = c - 5 => c = a + 5

_____________________

a + (a - 7) + (a + 5) = 49

3a = 49 + 7 - 5

3a = 51

a = 17 cm

b = 17 - 7 = 10 cm

c = 17 + 5 = 22 cm

Answer Link

Otras preguntas

What is 1/5 expressed as a percent

por que algunas personas ven mal que una niña juegue al futbol?

Kyra and James each drowa representation of the relationship between rotond (A) and irrotond (B) number shown below KYRA JAMES WALN UMRERS REL NUMBERS B B Whose

Which point on the number line best represents -2/2

Which of the following is depicted in the image above? a. Coffins showing victims of the black death. b. Dead people laying in a pile while devils and angels

Where did European immigrants enter the US Charlston Ellis island California Angel island

What are three different types of hospitals

The sum of two numbers, x and y is 14. Twice the first number x and triple the second number y is 63. Find x and y.

What is the difference between Mn2+ and Mn3+? What are they called?

Anyone have any idea what the pattern may be? Need help ASAP!