2x - 2 < -12
2x < -12 + 2 add 2 to each side
2x < -10 perform the addition on the right side
x < -10 / 2 divide each side by 2
x < -5 perform the division on the right side
2x + 3 > 7
2x > 7 - 3 subtract 3 from each side
2x > 4 perform the subtraction on the right side
x > 4 / 2 divide each side by 2
x > 2 perform the division on the right side
These are just like equations, except the you have to change the direction of the sign when you multiply or divide by a negative number
(C) x < -5 or x > 2
Answer:
The perimeter is
Step-by-step explanation:
we know that
The perimeter of the figure is equal to the circumference of a semicircle
plus the perimeter of a square minus the diameter of the circle
so
we have
The diameter of the circle is equal to the length side of the square
substitute
So, basically ..you just multiply
9*9*9*9
6561
Answer:
Yes to both.
Step-by-step explanation:
It is true that
In fact, if you know that x/y=1, just multiply both sides by y to get x=y. On the other hand, if you know that x=y (and they are not zero), you can divide both sides by y to get x/y=1.
Since the two expressions are equivalent, you can always use Phil's or Don's expression, at will.