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Sveta_85 [38]
3 years ago
10

What is 6/15-9/15 i need help plz

Mathematics
1 answer:
Xelga [282]3 years ago
3 0

Answer:

-3/15 is the difference between 6/15-9/15

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An astronaut is working on a satellite 200 miles above the ground. What is the measure of BD⌢, the portion of Earth that the ast
natulia [17]

Answer:

420 miles.

Step-by-step explanation:

You would have to be infinitely far away from a sphere in order to see exactly 50% of its surface all at the same moment. Using simple geometry, you can prove that an observer that is a distance d away from the surface of a sphere with radius R can only see a percent area A of the sphere's surface as given by the equation:

A = 50%/(1+R/d)

Where A is the area seen,

R is the earth's radius 4000 miles

And D is the distance above the earth 200 miles

50% = 0.5 in fraction

Substituting values we have

A = 0.5(1 + 4000/200)

A = 0.5(1 + 20) = 0.5 x 21

A = 10.5%

10.5% of 4000 miles = 420 miles.

6 0
3 years ago
What is the domain of the function y=vx<br> 2 0 03X&lt;&lt;<br> 1
Tema [17]

Answer:

<u>Option 3:  0 ≤ x ≤ ∞ </u>

Step-by-step explanation:

The domain of a function is the set of all possible x values for the function.

The given function is y = √x

The domain for the square root function should be : x ≥ 0

So, the domain = [0,∞)

Or, it can be written as inequality

So, 0 ≤ x ≤ ∞

So, the answer is option 3.

6 0
3 years ago
10 POINTSSSSSS HALPPP
dezoksy [38]

Answer:

51.9

8.9

78.5

8.8

Explanation:

You round up if the number to the right is 5 or greater.

So, apply this to the numbers and the 8 in A rounds up, going to a 51.9.

The 9 does not round up because of the one.

The 5 also does not round up because of the 2.

The 7 does round up because of the 6.

8 0
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g100num [7]

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obtuse (anything above 90* is obtuse)

Step-by-step explanation:

8 0
3 years ago
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Ber [7]

Answer:

Step-by-step explanation:

A liter of milk cost $.75

A loaf of bread cost $1.75

7 0
3 years ago
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