Babymsk5ana Babymsk5ana
  • 15-03-2017
  • Mathematics
contestada

The diagonal of a tv is 39 inches. it's length is 21inches more than the height. find the dem

Respuesta :

Аноним Аноним
  • 15-03-2017
h² + l² = 39²
h² + (h+21)² = 39²
h² + h² + 42h + 441 = 1521
2h² + 42h + 441 - 1521 = 0
2h² + 42h - 1080 = 0
h² + 21h - 540 = 0
h² + 36h - 15h - 540 = 0
h(h+36) -15(h+36) = 0
(h+36)(h-15)=0

h = 15inch
l = 15+21 = 36 inch

Answer Link

Otras preguntas

expand and simplify i’ll give u brainiest √5(√10+√2)
Which of the following sentences is punctuated correctly? Have you seen this man, "No"? well, thanks, then. Leon's birthday party, which is on friday August thi
Factorise 2a – 4a3 + 6abc
Angels descend from the teaven.(find the antonym of the bold word.) 1. increase 2. ascend 3. come down​
Lmk if you understand thanks
Question 1 of 30 Match each type of tax with an example of its use. Consumption tax ? 10% on profits from the sale of a house Capital gains tax 6% tax on all sa
Can someone explain how to solve this step by step? Thank you
Matt makes $80 a month mowing lawns. His friend James also mows lawns, but he makes x dollars less per month than Matt does. James makes a total of $816 per yea
1) Marcos, ___ tus libros en tu mochila. a.) pones b.) pon c.) no ponga d.) ponan 2) Federico, ____ puntual. A) seas B) sea C) no sea D) sé 3) Javier y Jamie,
The sum of two consecutive even numbers is 50. Find the two numbers 25 and 25 40 and 10 24 and 26 16 and 34