The distance formula for two points in a plane is
D=sqrt( (x1-x2)^2 + (y1-y2)^2 )
From T to U
D= sqrt((80-20)^2 + (20-60)^2) = 72.11
Then flying from U to V
D= sqrt((20-110)^2 + (60-85)^2) = 93.4
So T to U to V = 72.11+93.4 = 165.5
BUT checking also T to V to U
From T to V
D= sqrt((80-110)^2 + (20-85)^2) = 71.6
Then from V to U
D= sqrt((110-20)^2 + (85-60)^2) = 93.4
So from T to V to U = 165
Pretty much the same both directions
So yes the answer is A
Answer:
x =(3-√37)/2=-1.541
x =(3+√37)/2= 4.541
Step-by-step explanation:
to long to explain sorry but trust me
Answer:
(-3, -2)
Step-by-step explanation:
1. you moved right 7 units
2. you moved left 4 units
3. you ended up in (0, -2)
if you reverse it,
1. you start in (0, -2)
2. you move right 4 units (4, -2)
3. you move left 7 units (-3, -2)
Answer:
D. 21
Step-by-step explanation:
replace 21 for r, 4(21)=84
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249 km in 3 hours are 83 km in 1 hours
249 : 3 = 83 Km
