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svp [43]
3 years ago
14

Which value must be added to the expression x^2+12x to make it a perfect square trinomial

Mathematics
1 answer:
dedylja [7]3 years ago
4 0
The answer is D.144
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Help please<br> 3^4 + 4 ⋅ 5 = ____. (Input whole numbers only.) (20 points)
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Answer:

101

Step-by-step explanation:

3^4 = 81

4 x 5  20

81 +20 = 101

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What is the sum of the interior angles of an octagon?<br> 720°<br> O 900°<br> 1,080°<br> 1,260°
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1080

Step-by-step explanation:

All sides are the same length (congruent) and all interior angles are the same size (congruent). To find the measure of the angles, we know that the sum of all the angles is 1080 degrees (from above)... And there are eight angles... So, the measure of the interior angle of a regular octagon is 135 degrees

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Simora [160]

Part A: Determine the test average for your math class after completing test 2. (2 points)

Part B: Determine the test average for your science class after the completing test 2. (2 points)

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2 years ago
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Please help this is due in 20 mins, I will give brainliest
eduard

Answer:

L = 5\sqrt{10}

Step-by-step explanation:

use Pythagorean Theorem:

L² + (5\sqrt{2})² = (10\sqrt{3})²

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Find the solution to 8a=24
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