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

Match each number to how it would appear in scientific notation. a. 25,000 2.5 × 10-4 b. 250 2.5 × 10-2 c. 0.025 2.5 × 104 d. 0.00025 2.5 × 102

Choose the sentence with the correct use of a colon. Question 14 options: We visited multiple states on our trip; Tennessee, South Carolina, and North Carolina.

The summer wind smelled fresh, and the Romans prepared for battle. The soldiers marched in columns and turned the last corner. Which verb is the linking verb in

"Devin is older than Paulo." This statement is telling relative time, True or False?

¿Qué estás haciendo? Estoy ________ una revista. A. lees B. leer C. leo D. leyendo

Find the equation of the line that passes through the (x,y points (−3,0 and (1,5

Which is one common characteristic of much haiku poetry?

Read Emily Dickinson’s poem “Hope is the Thing with Feathers.” Hope is the Thing with Feathers Hope is the thing with feathers, That perches in the soul, And si

Short, compact, literary composition 1. nonfiction 2. memoirs 3. metaphor 4. vignettes 5. empathy 6. satire

A key feature of the new deal was that it gave too much authority to the federal government and specifically the executive branch. To what extent is the above s