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mariarad [96]
3 years ago
8

a 13 ft ladder is placed against the side of the building. The bottom of the ladder is 5 ft away from the bottom of the building

. how far up the building will the ladder reach?

Mathematics
1 answer:
puteri [66]3 years ago
4 0
The final answer is x=12
So the ladder will reach 12 feet up

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The equation 2x² + 2y2 – 8x - 12y + 16 = 0 defines a circle.
mixas84 [53]

Answer:

  C, E

Step-by-step explanation:

Here, we want to change the equation of a circle from general form to standard form. This is done by making the leading coefficients 1, completing the squares, and then rewriting the equation in standard form.

The leading coefficients of the given equation are 2, so we first want to divide by 2. This gives ...

  x² +y² -4x -6y +8 = 0

Subtracting 8 puts us in better position to complete the squares.

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Now, we can add the squares of half the coefficients of the linear terms.

  (x² -4x +4) +(y² -6x +9) = -8 +13 . . . . . . matches C

And we can simplify this to the standard form equation:

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2 years ago
In science class, the average score on a lab report is 82 points, with all students scoring within 3.2 points of the average. If
nirvana33 [79]

An equation that represents the minimum and maximum scores is; |x - 82| = 3.2.

<h3>How to write an absolute value equation?</h3>

The absolute value function is defined by:

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f(x) = x, x < 0.

It measures the distance of a point x to the origin.

For this problem, the distance between the minimum and the maximum scores and the mean is of 3.2, that is, the difference between these scores x and the mean of 82 is of 3.2, hence the absolute value equation that represents this situation is given by:

|x - 82| = 3.2.

Read more absolute Value equation at; brainly.com/question/5012769

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7 0
1 year ago
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labwork [276]

Answer:

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Step-by-step explanation:

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ozzi

Answer:

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Step-by-step explanation:

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(14,45) = (x2,y2)

Now,

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What expression represents the volume in cubic units?
S_A_V [24]

Answer:

C is correct

Step-by-step explanation:

7 0
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