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Grace [21]
2 years ago
8

One of the five quadratics below has a repeated root. (The other four have distinct roots.) What is the repeated root?

Mathematics
1 answer:
Step2247 [10]2 years ago
8 0

Answer:

Step-by-step explanation:

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The estimated lengths are 12in. and 5 in. This would be an estimated difference of 7in.


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The ACTUAL difference is 6.45in
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3 years ago
The function below models the correlation between the number of hours a plant is kept in sunlight (x) and the height (y), in mm,
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The answer is A) The original height of the plant was 4 mm
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3 years ago
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If the perimeter of the following triangle is 7x-2, what is the length of the unknown side?
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7x-2-(3x-9)-(x+7)

=7x-2-3x+9-x-7

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3 years ago
Diana has just begun the process of filing her federal income tax return, and she plans to deduct medical and dental expenses. w
Andru [333]

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1040 tehyimngtumh

Step-by-step explanation:

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5 0
3 years ago
An airplane pilot can see the top of a traffic control tower at a 20 degree angle of depression. the airplane is 5,000 feet away
daser333 [38]

The given question describes a right triangle with with one of the angles as 20 degrees and the side adjacent to the angle 20 degrees is of length 5,000 feet. We are looking for the length of the side opposite the angle 20 degrees.

Let the required length be x, then

\tan{20^o}=\cfrac{opp}{hyp}=\cfrac{x}{5,000}\\ \\ \Rightarrow x=5,000\tan{20^o}=1,819.85

Therefore, the height of the airplane above the tower is 1,819.85 feet.

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