shresthatriza26
shresthatriza26 shresthatriza26
  • 02-06-2021
  • Mathematics
contestada

find acute angle between the line 2x+4y=7 and x+2y=5

Respuesta :

abhi569
abhi569 abhi569
  • 02-06-2021

Answer:

arctan(4/3) ≈ 0.9272

Step-by-step explanation:

On comparing eqⁿ to y = mx + c,

Slope of 2x + 4y = 7 is -2/4 = - 1/2

Slope of x + 2y = 5 is - 1/2

Therefore, if A is the angle b/w them,

A = arctan | (m1 + m2)/(1 - m1m2) |

A = arctan | (-½ - ½)/(1 - ¼) |

A = arctan (4/3)

Answer Link

Otras preguntas

Force and Motions: Pushes and pulls of all kinds are________.
A man exchanged a dollar bill for change and received 7 coins, none of which were half dollars. How many of these coins were dimes?
Which measurement is not equal to 3 m 30 dm or 300 cm or 3000 mm or 3000 cm
Concorde could travel 1 mile every 3 seconds.How many miles per hour (mph) is that?
Write each decimals as a fractions or a mixed number. 26.3 and 7.104 >> help <
Solve: K= 2(11 - k) + 14
What method of generating electricity doesn't make use of a rotating generator?
Why does a bike get heavier when it rusts???Very confussed, I cant find anything on the internet :( please help
what are the steps to evaporation but without heat just evaporation steps to follow
What role should the government have in enforcing equal rights for Americans?