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

Concrete can be purchased by the cubic yard. How much will it cost to pour a slab 13 feet by 13 feet by 3 inches for a patio if the concrete costs $42.00 per cu

which is the smallest ratio 3 to 4 2 / 3 10 :2 ,2 to 1

What is the value of x?

What sins are punished most severely and why? Or what does Inferno indicate about medieval values? You must also respond to this question: Do you agree with D

why are the intestines the largest parts of the alimentary canal?

Water (3030 g ) is heated until it just begins to boil. If the water absorbs 5.49×105 J of heat in the process, what was the initial temperature of the water?

What is the very center of earths like

which of the following is the best definition of vectors

Kris wanted to understand whether students at her school were in favor of an extended school day. She surveyed some students and displayed the results in the t

What is not considered a sex-linked trait?