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Galina-37 [17]
3 years ago
11

How far away is a star with a parallax of 2 arc sec in parsecs? In AU?

Mathematics
1 answer:
Vesna [10]3 years ago
8 0

Answer:

ear

Step-by-step explanation:

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Minus always used _____ a term
Llana [10]
To subtract? as minus means subract/take away?
3 0
3 years ago
A luxury liner leaves a port on a bearing of 110 degrees and travels 8.8 miles. It then turns due west and travels 2.4 miles. Ho
myrzilka [38]

Answer:

Distance= 6.6 miles

Bearing= N 62.854°W

Step-by-step explanation:

Let's determine angle b first

Angle b=20° (alternate angles)

Using cosine rule

Let the distance between the liner and the port be x

X² =8.8²+2.4²-2(8.8)(2.4)cos20

X²= 77.44 + 5.76-(39.69)

X²= 43.51

X= √43.51

X= 6.596

X= 6.6 miles

Let's determine the angles within the triangle using sine rule

2.4/sin b = 6.6/sin20

(2.4*sin20)/6.6= sin b

0.1244 = sin b

7.146= b°

Angle c= 180-20-7.146

Angle c= 152.854°

For the bearing

110+7.146= 117.146

180-117.146= 62.854°

Bearing= N 62.854°W

8 0
3 years ago
Michaels account overdrafts $75.00. write an absolute value to represent the overdraft
Klio2033 [76]

Overdrafting is when you deposit you're money in a bank account so it could either be +75 or -75 both of them might be correct.

8 0
3 years ago
Dont really understand
Llana [10]
Area is base times height, so take the 12 and 16 and multiply them, you will get 192 which is your answer
3 0
3 years ago
Read 2 more answers
If 14 g of a radioactive substance are present initially and 3 yr later only 7 g​ remain, how much of the substance will be pres
marishachu [46]
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5 0
3 years ago
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