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Vilka [71]
2 years ago
9

10x^3/5x^2 2/x. 2x 2 x/2

Mathematics
1 answer:
Troyanec [42]2 years ago
8 0
-5x•(2x^2+x+3) is the answer
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Which of these countries has the greatest population density? Which has the least?
Marta_Voda [28]

Answer:

According to research,

Greatest population Density ;

Monaco

Monaco led the ranking for countries with the highest population density in 2019, with 26,150.3 residents per square kilometer.

Least Population Density

Mongolia

Least Densely Populated Country in the World

For 2015, the population density of Mongolia was 1.914 people per square kilometer.

Step-by-step explanation:

8 0
2 years ago
The altitude to the hypotenuse of a right triangle divides the hypotenuse into 15 inches and 30 inch segments. Explain or show h
e-lub [12.9K]

9514 1404 393

Answer:

  CX = 15√2 inches

  BC = 15√3 inches

  AC = 15√6 inches

Step-by-step explanation:

In this geometry, all of the triangles are similar:

  ΔABC ~ ΔACX ~ ΔCBX

Corresponding segments are proportional in similar triangles, so we have ...

  AX/CX = CX/BX = (long leg)/(short leg)

Filling in the numbers, we get

  30/CX = CX/15

  CX² = 15×30

  CX = 15√2 . . . . . exact length of the altitude (inches)

__

Similarly, we can form proportions with the legs:

  AB/BC = CB/BX

  BC² = (BX)(AB) = (45)(15)

  BC = 15√3 . . . inches

and

  AC/AB = AX/AC

  AC² = (AX)(AB) = (30)(45)

  AC = 15√6 . . . inches

_____

<em>Additional comment</em>

You may notice that each of the segments we're interested in is the root of a product involving segments of the hypotenuse. This "root of a product" is called the geometric mean. Here, the three geometric mean relations are ...

  altitude = geometric mean of hypotenuse segments

  short side = geometric mean of short segment and whole hypotenuse

  long side = geometric mean of long segment and whole hypotenuse

__

Strictly speaking the geometric mean is the n-th root of the product of n items. Here, there are only 2 items, so it is the square root of their product.

8 0
3 years ago
P = R - C / N solve for C<br> i’ll give brainliest :)
notsponge [240]

Answer:

C = -N(P - R)

Step-by-step explanation:

Rearrange the equation so that it is equal to C.

P = R - C/N

P - R = -C/N

-N(P - R) = C

C = -N(P - R)

3 0
2 years ago
Read 2 more answers
5(x + 8) + x + y, given that x = 3 and y = 30
zhuklara [117]

Answer:88

Step-by-step explanation:

Given, x=3 & y=30

So, 5(3+8)+3+30 = 5(11)+3+30 = 88

7 0
3 years ago
Read 2 more answers
So plz help don’t get it
Over [174]
Gretchen ran 48 meters in nine seconds, x+time (9) and y= meters (48)
i hope this  helped :)
5 0
2 years ago
Read 2 more answers
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