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x=126 x-30=96

Step-by-step explanation:

A pentagram has a total of 540 degrees. This means that you can put all of the angles into a single equation. 540=x-30+x-30+x-30+2x This goes to 540=5x-90 then solve algebraically. add 90 on both sides. 630=5x x=126 thus x-30 is equal to 126-30

last option

step-by-step explanation:

given that δdef is right and isoceles,

assuming that side df is the hypotenuse means that de an ef are the other 2 sides that intersect at 90° and are of equal length.

because they are of equal length, we can say that they are congruent

because they intersect at 90°, their slopes must be opposite reciprocals.

only the last option satisfies these conditions.

75

step-by-step explanation:

you do x-29=46 (the number of cantaloupes sold)

in order to find x, you have to find what minus 29 equals 46, meaning you'd have to add 29 to 46.

29+46=75

if you replace x with 75, the equation looks like:

75-29=46

x=75