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20.08.2021 •
Mathematics
Fb+3b=d what does d equal
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Ответ:
it can`t be solved unless you have an integer in place of F and B
otherwise this can`t be solved
Ответ:
d=b(f+3)
Step-by-step explanation:
fb+3b=d
Swap sides so that all variable terms are on the left hand side.
d=fb+3b
hope it helps :)
Ответ:
perimeter = 62
Step-by-step explanation:
To determine the length of the unknown sides of the triangle, we would apply the sine rule which is expressed as
a/SinA = b/SinB = c/SinC
Therefore
AB/Sin 40 = 19.5/Sin 49
ABSin49 = 19.5Sin40 = 19.5 × 0.64
0.755AB = 12.48
AB = 12.48/0.755
AB = 16.5
The sum of the angles in a triangle is 180°. Therefore,
A = 180 - (40 + 49) = 91°
BC/Sin 91 = 19.5/Sin 49
BCSin49 = 19.5Sin91 = 19.5 × 0.9998
0.755BC = 19.5
BC = 19.5/0.755
BC = 25.8
The formula for determining the perimeter of a rectangle is expressed as
Perimeter = a + b + c
Where
a, b and c represents the length of each side of the triangle.
Perimeter of triangle = 25.8 + 16.5 + 19.5 = 62