Evaluate each expression. Determine if the final simplified form of the expression is positive or negative. -4^2 (-4)^2 4^2

2 answers:

5 0

Whenever a number is squared, <em />it will <em>always be </em><em />positive. So since you have -4^2 up there, it will equal the exact same as 4^2 does, which is plainly the positive number 16. This is because a negative multiplied by one other negative is always a positive (-4*-4 = 16). So for every expression you've got, -4^2, (-4)^2, and 4^2, they all have positive simplified results.

artcher [175]3 years ago

3 0

Answer:

Step-by-step explanation:

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Draw a triangle that satisfies this condition: The ratio of the interior angles is 7:11:12

denpristay [2]

The sum of the interior angles of a triangle is 180 degrees.
1.) Translating the problem into equation:
7:11:12 = 180 degrees
7x+11x+12x = 180 degrees; Where x = missing number
30x = 180
30x/30 = 180/30 divide both sides by 30
x = 6
2.) Substitute the values:
7x+11x+12x = 180
7(6)+11(6)+12(6) = 180
42+66+72 = 180
180 = 180
3.) Therefore, the angles should be 42 degrees, 66 degrees and 72 degrees.
4.) See attached drawing of triangle