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Scilla [17]
3 years ago
15

In our solar system, 6 of our 8 planets have moons. What percentage of the planets have moons?

Mathematics
2 answers:
bija089 [108]3 years ago
8 0
75% of our planets have moons
jek_recluse [69]3 years ago
3 0
You can solve in this way:

6 : 8 = x : 100
x = 100 * 6 : 8
x = 75

75%
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A phone company charges 12 cents per minute of call. If Gerardo made a call that took 75 minutes using this plan, how much did h
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Step-by-step explanation:

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Find the standard form of the equation for the circle with the following properties.
nataly862011 [7]

Answer:

(x+6)^2+(y+\frac{7}{6})^2=\frac{49}{36}

Step-by-step explanation:

So, we know that the center of the circle is at (-6, -7/6).

To find the equation of our circle that is tangent to the x-axis, we just need to find the vertical distance from our center to the x-axis.

Our center is at (-6, -7/6). The vertical distance from this to the x-axis directly above will be (-6, 0).

So, find our distance by subtracting our x-values:

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d=r=7/6

So, our distance, which is also our radius, will be 7/6.

Now, we can use the standard form for a circle, which is:

(x-h)^2+(y-k)^2=r^2

Where (h, k) is the center and r is the radius.

Substitute -6 for h, -7/6 for k, and 7/6 for r. This yields:

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7 0
3 years ago
Can Someone help me ​
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c.

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Read 2 more answers
the consumer price index compares the cost of goods and services over various years, where 1967 is used as t=0. The same goods t
Lisa [10]

Answer:

  • f(t) = 100·1.845^(t/10)
  • $1025.15

Step-by-step explanation:

(a) The given numbers can be put directly into the form ...

... f(t) = (initial value) · (ratio)^(t/(time to achieve that ratio))

Here, we have an intial value of $100, and a ratio of $184.50/$100 = 1.845. The time to achieve that multiplication is 10 years (1967 to 1977). So, the equation can be written ...

... f(t) = 100·1.845^(t/10)

(b) You want to find f(38).

... f(38) = 100·1.845^(38/10) = 100·1.845^3.8 ≈ 1025.15 . . . dollars

6 0
3 years ago
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