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Ostrovityanka [42]
3 years ago
6

I really need help with this one please

Mathematics
1 answer:
natka813 [3]3 years ago
6 0

The distance from the sun is option 2 5.59 astronomical units.

Step-by-step explanation:

Step 1; To solve the question we need two variables. P which represents the number of years a planet takes to complete a revolution around the Sun. This is given as 13.2 years in the question so P = 13.2 years. The other variable is the distance between the planet and the sun in astronomical units. We need to determine the value of this using the given equation.

Step 2; So we have to calculate the value of 'a' in Kepler's equation. But the exponential power \frac{3}{2} is on the variable we need to find so we multiply both the sides by an exponential power of \frac{2}{3} to be able to calculate 'a'.

P =  a^{\frac{3}{2} }, P^{\frac{2}{3} } = a^{\frac{3}{2}*\frac{2}{3}  },  P^{\frac{2}{3} } = a, 13.2^{\frac{2}{3} } = a = 5.58533 astronomical units.

Rounding it over to nearest hundredth we get 5.59 astronomical units.

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Math algebra 2 show you’re work plz
LenKa [72]

9514 1404 393

Answer:

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Step-by-step explanation:

A graphing calculator makes short work of this, giving the solution as ...

  (t, u, w) = (1, -2, -2)

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There are many ways to solve this "by hand." Here's one of them.

Add the first and third equations. Their sum is ...

  -3t +4w = -11 . . . . . [eq4]

Add this to twice the second equation. That sum is ...

  (-3t +4w) +2(-4t -2w) = (-11) +2(0)

  -11t = -11

  t = 1

Substituting this into the second equation gives ...

  -4(1) -2w = 0

  w +2 = 0 . . . . divide by -2

  w = -2 . . . . add -2

Substituting for t in the third equation lets us find u.

  2(1) -2u = 6

  -1 +u = -3 . . . . . divide by -2

  u = -2 . . . . add 1

The solution is (t, u, w) = (1, -2, -2).

5 0
3 years ago
2.5 pounds of grapes cost $2.25 what is the cost per pound
Sergeeva-Olga [200]

Answer:

$0.9 per pound

Step-by-step explanation:

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3 0
3 years ago
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horrorfan [7]

Answer:

-3/5

Step-by-step explanation:

First, make the mixed fraction into an improper fraction:

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Note that two negatives = one positive:

- (-4/5) = + 4/5

Combine the terms. Subtract the numerators:

-(7/5) + (4/5) = (-7 + 4)/5 = -3/5

-3/5 is your answer.

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7 0
3 years ago
Read 2 more answers
5 less than the difference of a number f and 35
Fiesta28 [93]

Answer:

See below.

Step-by-step explanation:

There are 2 options in finding the difference between f and 35, as you did not state in the question which if the 2 is the larger number.

(f-35)-5=f-35-5

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OR

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3 0
3 years ago
Solve the equation:<br> 3c=123c=12
KATRIN_1 [288]

3c=123c=12

We move all terms to the left:

3c-(123c)=0

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3 years ago
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