The beam from a lighthouse is visible for a distance of 14 mi. To the nearest square mile, what is the area covered by the beam
as it sweeps in an arc of 270°?
The beam covers an area of _____ mi^2.
2 answers:
Answer:
529
Step-by-step explanation:
Idk but I need points so here u go
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Answer:
4x + 5x + 1 = 10
9x + 1 = 10
9x = 9
x = 1
y = 5(1)+1= 5+1= 6
(1,6)
Answer:
b, d,
Step-by-step explanation:
Answer:
1cm has 10 mm
9 x 10= so 90 mm in in 9 cm
Step-by-step explanation:
Answer:
2×8+5×6=16+30=46
Step-by-step explanation:
you multiplie 2×8
and 5×6
Step-by-step explanation:
solution,
given
DF = 42
DE = 7x+1
EF = 4x-3
DE = ?
here,
or, DF = DE +EF
or, 42 = 7x+1+4x-3
or, 42 = 11x-2
or, 42+2 = 11x
or, 44/11 = x
or, 4 = x
then,
replacing value of x in DE
DE = 7x+1
= 7*4+1
= 28+1
= 29