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Andrei [34K]
4 years ago
8

A shooting star forms a right triangle with the Earth and the Sun, as shown below:

Mathematics
1 answer:
frez [133]4 years ago
3 0

The positions of the sun, earth and shooting star form a right angled triangle, where distance between earth and sun is 'y', and the angle 'x°' is given

Now, in a right angled triangle using trigonometry, we can determine a side of the triangle is one of the sides and one of the angles is known

Here, if we use cos x = \frac{Base}{Hypotenuse} we can determine the distance between the shooting star and the sun. This can be done because we know that the base is 'y', the angle is x° and the hypotenuse represents the distance between the sun and the shooting star

Note: cos values for each x are definite.

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Explain how the value of the discriminant B^2-4AC can be used to predict the number of solutions an equation has?
Alexxandr [17]

We need to know this:

If Δ > 0 we have two and different solutions

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3 0
3 years ago
Help me plz and thank you
stiks02 [169]

Answer:

nopee. Try your best you will get the answer.

Step-by-step explanation:

3 0
3 years ago
Need help for these problems please
9966 [12]

Answer:

The answer to your question is:

Step-by-step explanation:

1.-

  y = 84°

  5x - 61 = 84

  5x = 84 + 61

   5x = 145

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2.-

  m∠1 + m∠6 = 180   they are supplementary angles

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 ∠1 = ∠ 3 because are vertical angles.

3.-

m∠2 + m∠5 = 180    they are supplementary angles

∠2 + 79 = 180

∠2 = 180 - 79

∠2 = 101

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6 0
4 years ago
It was also reported that 30% of those with an allergy in fact are allergic to multiple foods. if a child younger than 18 is ran
babymother [125]
I think it's 8%. Hope this helps!
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Round 181 to the nearest 10
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181 rounded to the nearest ten is the 200
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