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

A clock is constructed using a regular polygon with 60 sides. The polygon rotates every minute. How many degrees has the polygon rotated after 7 minutes?

During the campaign of 1828, the Democratic Party changed by a. denouncing the spoils system. b. veering away from Jeffersonian principles. c. crafting more

Plot, character, and setting do not affect one another. a. True b. False

What is mental math?

bikes out of 32 students in a class 5 said they ride their bikes to school based on these results h o w many of the 800 students in the school ride their bikes

Which event in Shakespeare's Twelfth Night triggers the series of incidents related to mistaken identity?

what is equivalent to 1/4 (8-6x+12)

I have €180. I exchanged it at €1.2 to £1 . how much do I get back in sterling

What was an effect of the Berlin Crisis? It started the building of the Berlin Wall. It started the depopulation of East Germany. It brought an end to the Cold

what is a system of millions or billions of stars, together with gas and dust held together, by gravitational attraction?