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Mnenie [13.5K]
3 years ago
15

1. Solve n3 = 27. Please :(

Mathematics
2 answers:
qwelly [4]3 years ago
5 0

Answer:

3

Step-by-step explanation:

Don't know how to explain it I just know that 27 has a perfect cube of 3.

velikii [3]3 years ago
5 0

Answer:

n = 9

Step-by-step explanation:

n3 = 27

n3/3 = 27/3

n = 9

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A new library, L, is to be built at some point along a straight road, R, such that its distance from train station, T, is the sh
andreyandreev [35.5K]

Answer:

Coordinates of the new library is (150, 70)

Step-by-step explanation:

To get the shortest possible distance means that line from point T to point R has to be perpendicular.

Now, the equation of R is given as;

y = x - 80 - - - (1)

For T to be perpendicular, it means it will have a slope equal to the negative reciprocal of line R.

Thus, slope of T is -1/1 = - 1

Thus, using line - slope intercept of y = mx + c, we can find equation of T as;

140 = -1(80) + c

140 = -80 + c

c = 140 + 80

c = 220

Thus, equation is;

y = -x + 220 - - - (eq 2)

Adding equation 1 to equation 2,we have;

y + y = 220 - 80

2y = 140

y = 140/2

y = 70

Putting 70 for y in eq 1 gives;

70 = x - 80

x = 70 + 80

x = 150

Thus;

Coordinate of the new library is (150, 70)

8 0
3 years ago
You planted 488 acres of corn last season. you sold all your corn: 8,120 bushels in August and 64,100 bushels in September. what
Paladinen [302]
The yield per acre will be given by:
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