3 years ago

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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If 20% of a number is 10, what is the whole number?

vagabundo [1.1K]

Answer:

100

Step-by-step explanation:

20%-10

20%*5=100%--10*5=100

4 0

3 years ago

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WHAT IS 3847 TIMES 4387 AND PLAESE ROUND!!!!! --------- 82364

Andrew [12]

Answer:

16,876,789. 82364 ≈ 82,000

Step-by-step explanation:

Let's go through this Step by Step.

$3847 * 4387 =\\3847 * 7 = 26929\\3847 * 80 = 307,760\\3847 * 300 = 1,154,100\\3847 * 4000 = 15,388,000$

Now let's go through the Addition.

$26929 + 307,760 = 334,689\\334,689 + 1,154,100 = 1,484,789\\1,484,789 + 15,388,000 = 16,872,789$

Now, we round 82364 to the nearest thousand.

The nearest thousand is 2000. so the answer to this one would be 82000.

hope this helps.

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3 years ago

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Find the length of the third side. If necessary, write in simplest radical form. 8 17

statuscvo [17]

Answer:

Step-by-step explanation:

so we know that its a right triangle and 8 and $\sqrt{17}$ are not the hypotenuse.

the equation for this is $a^{2}$ + $b^{2}$ = $c^{2}$ with c being the hypotenuse.

$8^{2}$ + $\sqrt{17} ^{2}$ = $c^{2}$

64+17= $c^{2}$

81=c

$\sqrt{81}$ =c

9=c

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3 years ago

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Suppose you drew a diagonal in rectangle,trapezoid,parallelogram.which figures do triangles with same shape & size?

Otrada [13]

The same shape and size is the parallelogram because if you draw a a diagonal line through the parallelogram you would get a triangle hope this helps.

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4 years ago

If 12x +1 =-7, what’s is the value of x over 8

Sergio [31]

12x+1=-7
-1 -1
12x=-6
/12 /12

x=-1/2 or x=-0.5

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3 years ago