well u move all the variables to the left side, so 8x is already in the left but 7x isnt so you move 7x to the left side of the equal sign which makes 7x to -7x.
8x-2-7x=-9
you move the -2 to the right side of the equal sign which becomes +2.
8x-7x=-9+2
you do the math which 8x-7x=1x and -9+2=-7
so.... 1x=-7
and x=-7. Make sure to always combine like terms.
To make sure it is correct replace the x with the -7 and
8(-7)-2=-9+7(-7)
-56-2=-9-49
-58=-58
so x= -7
A circle is a curve sketched out by a point moving in a plane. The area of the circle with a diameter of 240 mm is 45238.934 mm².
A circle is a curve sketched out by a point moving in a plane so that its distance from a given point is constant; alternatively, it is the shape formed by all points in a plane that are at a setdistance from a given point, the centre.
The area of the circle with a diameter of 240 mm is,
Area of circle = (π/4) × D²
= (π/4) × (240)²
= 45238.934 mm²
Hence, the area of the circle with a diameter of 240 mm is 45238.934 mm².
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What does d=?
Answer:
Step-by-step explanation: