___is a variable that provides the input value of an equation
1 answer:
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Answer:
Step-by-step explanation:
We know that A and B are complementary angles. So, they must add up to 90°. As an equation:
Since we know their equations, substitute:
Solve for x. Combine like terms on the left:
Subtract 9 from both sides:
Divide both sides by 9:
So, the value of x is 9.
We want to find A. So, let's use the equation for A:
Substitute 9 for x:
Add:
So, the measure of A is 17°.
Answer:
see below
Step-by-step explanation:
The points at the corners of the given figure are ...
(0, 0), (0, 4), (3, 4), (3, 0)
When the figure is scaled by a factor of 1/3, each of the coordinates is multiplied by 1/3:
(0, 0), (0, 4/3), (1, 4/3), (1, 0) . . . . . points scaled by 1/3
When the figure is scaled by a factor of 3/2, each of the coordinates is multiplied by 3/2:
(0, 0), (0, 6), (9/2, 6), (9/2, 0) . . . . . . points scaled by 3/2
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The points that are on your list are shown in bold above.
