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Nadya [2.5K]
2 years ago
6

earth is approximately 9 x 10^7 miles from the sun. neptune is approximately 3x10^9 miles from the sun. neptune is approximately

_____ times farther from the sun than earth
Mathematics
1 answer:
Gelneren [198K]2 years ago
8 0

Answer:

33 times

Step-by-step explanation:

Distance between Earth and the sun (D) = 9 × 10^{7} miles = 90,000,000 miles

Distance between Neptune and the sun (d) = 3 × 10^{9} miles = 3,000,000,000 miles

Find \frac{d}{D}.

\frac{d}{D}=\frac{3,000,000,000}{90,000,000}  =33.3 ≈ 33

Therefore,

Neptune is approximately 33 times farther from the sun than earth

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Crank

Answer: x ≥ 7

Step-by-step explanation:

You have to square both sides of the equation. You can manipulate an equation or function any way imaginable as long as it is done equally and helps the problem become easier. If we square this, the radical will cancel and we will get two trinomials equal to each other.

x^2-14x+49=(x-7)^2\\x^2-14x+49=x^2-14x+49

We can see the two expressions are exactly equal to each other. All real numbers are solutions, besides a few. These few are when the radical is equal to a negative number. So lets set up an inequality stating that the radical must be greater than or equal to 0.

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2 years ago
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Step-by-step explanation:

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