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Mice21 [21]
2 years ago
8

The circle shown is centered at the origin and contains the point (-4, -2). What is the length of the diameter of the circle? Ro

und your answer to the nearest hundredth

Mathematics
1 answer:
trasher [3.6K]2 years ago
8 0

Step-by-step explanation:

Equation for circle centered at origin:

x² + y² = r².

Therefore r² = (-4)² + (-2)² = 20, r = √20.

Hence d = 2r = 2√20 = 8.94 (2d.p.)

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BARSIC [14]

The required equation is <u>135 + 9x > 250</u>.

The number of lawns Ed must mow is assumed to be x.

The amount Ed charges for each lawn he mows is $9.

Thus, the total amount Ed earns by mowing x lawns = $9x.

The savings which Ed has is $135.

Thus, the total amount Ed will have to spend can be written as the expression, $(135 + 9x).

The cost of the video game is given to be $250.

We are asked to write an equation, that can be used to find the number of lawns Ed mow, that is x so that the amount Ed has will be more than the amount he needs to buy the video game.

This can be shown as the equation:

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or, 135 + 9x > 250.

Thus, the required equation is <u>135 + 9x > 250</u>.

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3 0
1 year ago
Most interesting way to write 6 billion is...? Why?
ycow [4]

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Its 6 bill because people think its flashy

Step-by-step explanation:

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2 years ago
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3/5 + 4/15 = in simply
maksim [4K]
You have to get a common denominator so

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2/3 = 8/12
reason:
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