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Mrrafil [7]
2 years ago
11

Help please. Find x.

Mathematics
1 answer:
Degger [83]2 years ago
5 0
You have to use the Geometric Mean for triangles to find x.  Our form will look like this: \frac{2}{x} = \frac{x}{6+2} which simplifies to \frac{2}{x} = \frac{x}{8}.  Cross multiply to get x^{2} =16.  Therfore, x = 4.  Usually when we take the square root of a number we will end up with both the principle (positive) root and the negative one as well.  But since the 2 things in math that will never EVER be negative are time and distance/length, we will not consider the -4.  x = 4
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Factor the polynomial completely using the X method. x2 + 13x – 48 An x-method chart shows the product a c at the top of x and b
PSYCHO15rus [73]

Answer:

Step-by-step explanation:

The constant term of x^2 + 13x – 48 factors into either (3)(-16) or (-3)(16).

Note how 16 - 3 = 13, which is the coefficient of the middle term.  Thus, the factors are

(x + 16)(x - 3) which is equivalent to x^2 + 16x - 3x - 48, or x^2 + 13x - 48.

8 0
1 year ago
The figure below shows the graph of f ', the derivative of the function f, on the closed interval from x = -2 to x = 6. The grap
wolverine [178]

Answer:

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Step-by-step explanation:

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From x = 5 to x = 6, f' is positive.  That means f is increasing.

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6 0
2 years ago
The average length of a king cobra is 3.7 m. The record length is 1.88 m longer than the average. How long is the record holder?
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3 0
2 years ago
Read 2 more answers
Workers have packed 1,400 glasses in 7 boxes. If they pack 3 more boxes, how many glasses will they have packed in all?
Alexandra [31]
2000


1box = 1400/7 = 200
200×3=600
1400+600=2000


Step-by-step explanation:
Given :Workers have packed 1,400 glasses in 7 boxes.
To Find :If they pack 3 more boxes, how many glasses will they have packed in all?
Solution:
Workers packed no. of glasses in 7 boxes = 1400
Workers packed no. of glasses in 1 box =
Workers packed no. of glasses in 3 boxes =
                                                                      =
So, initially they packed 1400 glasses
If they pack 3 more boxes so, the pack 600 glasses more
So, The total no. of glasses have packed by workers = 1400+600 = 2000
Hence they have packed 2000 glasses in all.
5 0
2 years ago
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