What is the value of x?
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What is the value of x?
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What is the value of x?
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What is the value of x?
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First one :
VY / VT = KY / KT
VY / 57 = 68 / 129.2 Multiply both sides by 57
VY = 57 * 68 / 129.2 = 30
So.....
x = KY + VY = 68 + 30 = 98 units
Second one :
Note that MA = MN - AN = 67.2 - 32 = 35.2
So
MA / MN = MB / MP
35.2 / 67.2 = MB / 81.9 mutiply both sides by 81.9
81.9 * 35.2 / 67.2 = MB = x = 42.9
Third one :
62 / 99.2 = [ x + 2 ] / 112 cross-multiply
112 * 62 = 99.2 [ x + 2] simplify
6944 = 99.2x + 198.4 subtract 198.4 from both sides
6745.6 = 99.2x divide both sides by 99.2
68 = x
Last one :
[3x - 20 ] / 56 = 9 / 72
[ 3x - 20] / 56 = 1 / 8 cross-multiply
8 [ 3x - 20 ] = 56
24x - 160 = 56 add 160 to both sides
24x = 216 divide both sides by 24
x = 9