What is the value of x?

Enter your answer in the box.

x =

x = 11

Step-by-step explanation:

If a line parallel to one side of a triangle intersects the other two sides of the triangle, then the line divides these two sides proportionally.

then 6/(6 + 48) = 5/(5 + 3x + 7)

6(3x + 12) = 5(54)

18x + 72 = 270

18x = 198

x = 11

x=11

Step-by-step explanation:

the ratio of 6:5 is 1.2 and you can do that by dividing 6 by 5

after that add 48 and 6 which is 54.

54/1.2 is 45 and then

45 = 3x + 7 + 5

45 = 3x + 12

subtract 12 on both sides you get 33 = 3x

divide 3 on both sides and you get x = 11

since the airplane is moving with constant speed then the distance travelled can be calculated by x=u*t

in km/h would be:

x=640*3.5=2.240 km

in m/s would be:

u=640 km/h= 640.000 m/h =640.000/ 3600 m/s =177.8 m/s

t= 3.5 h= 3.5 * 3600 s=12.600 s

then x=u*t= 177.8*12.600= 2.240.280 m

b

step-by-step explanation:

b