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dybincka [34]
2 years ago
13

A train has an odd number of cars. The number of cars Is greater than 1 and less than 9

Mathematics
1 answer:
german2 years ago
3 0
I think the correct answer is 3


BRAINLIEST PLEASE
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What is the value of h
Dmitriy789 [7]

Answer:

h = 5.318 m

Step-by-step explanation:

6.5/11 = h/9

0.5909 = h/9

h = 5.318

5 0
3 years ago
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I'm having a hard time with this question so someone help please
bulgar [2K]

Answer:

  7.7 km

Step-by-step explanation:

This question is asking you to find the third side of a triangle in which two sides and an angle not between them are given. The law of sines provides the necessary relationships.

<h3>Law of Sines</h3>

The Law of Sines tells you that triangle side lengths are proportional to the sine of the opposite angle. For this triangle TPJ, the relation is ...

  t/sin(T) = p/sin(P) = j/sin(J)

We are given T=68°, p=5.2 km, t=7.5 km, and we are asked to find the length of j, the TP distance.

<h3>Setup</h3>

We know the sum of angles in a triangle is 180°, and the sine of an angle is equal to the sine of its supplement. This lets us fill in the Law of Sines equation like this:

  7.5/sin(68°) = 5.2/sin(P) = j/sin(68°+P) . . . . . solve for j

<h3>Solution</h3>

This can be solved in two steps. First, we find angle P, then we use that to find length j.

  sin(P) = 5.2/7.5 × sin(68°) ≈ 0.642847

  P = arcsin(0.642847) ≈ 40.0045°

Now, we can find j:

  j = 7.5 × sin(68° +40.0045°)/sin(68°) ≈ 7.693 . . . km

The distance from the tower to the plane is about 7.7 km.

__

<em>Additional comment</em>

We have used T, P, and J to refer to the vertices at the tower, plane, and jet.

The triangle can also be solved using the Law of Cosines. In that case, the missing side will be the solution to a quadratic equation with irrational coefficients.

3 0
2 years ago
What is 0.3 repeating as a fraction in simplest form
NeTakaya
The answer is 3/9 or 1/3 in its simplest form
4 0
3 years ago
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HELP!!! Describe at least two differences between constructing an inscribed regular hexagon and constructing an inscribed square
KiRa [710]
An inscribed regular hexagon divides
the circle in six equal segments, while an
inscribed square divides the circle in four
equal segments.
An inscribed regular hexagon divides
the circle into isosceles triangles, while an
inscribed square divides the circle into right-
angled triangles.
4 0
2 years ago
Tim can complete 30 questions per hour how many questions can he complete in 1/3 of an hour
DanielleElmas [232]

Answer:

10

Step-by-step explanation:

1/3 of an hour is 20, and 1/3 of 30 questions is 10, so 10 questions completed per 20 minutes.

8 0
3 years ago
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