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

WRITE EACH RATE AS UNIT RATE. 162 WATER BOTTLE IN 9 CASES=

How would you describe the human features of a place?

doors for the small cabinets are 11.5 inches long.doors for the large cabinets are 2.3 times as long as the doors for the small cabinets.how many large doors ca

What's needed to know Right now we are doing unit 1 which is about tensions in ropes and weight and stuff about newtons. We are taking a test tomorrow and I st

How many seismic stations are needed to determine the location of an earthquake's epicenter?

how do you solve: 4 + |k + 1| <15

What does this mean?The levying money for or to use of the crown by pretense of prerogative,without grant of parliament, for long time, or in other manner than

what are ten facts about Henry Morgan

A car travels at 65 miles per hour. Going through construction, it travels at 3/5 this speed. Write this fraction as a decimal and find the speed

What is the meaning of open proportion?