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n200080 [17]
3 years ago
10

Which of the relations given by the following sets of ordered pairs is a function?

Mathematics
1 answer:
solniwko [45]3 years ago
8 0

Answer:

B

Step-by-step explanation:

You can solve this by using the vertical line test. When you do the vertical line test, the vertical line should only pass through one point on the function. That means that there can to be only one value of x for every y. Set B is the only set where the x value doesn't repeat.

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I neeed help plz 30 points
Mice21 [21]

Answer:

Step-by-step explanation:

NA = √[(- 4 - 1 )² + (- 3 - 2)²] = 5√2

AT = √[(8 - 1 )² + (1 - 2)²] = 5√2

TS = √[(3 - 8 )² + (- 4 - 1)²] = 5√2

NS = √[(- 4 - 3 )² + (- 3 + 4)²] = 5√2

NA = AT = TS = NS = 5√2

m_{NA} = (- 3 - 2) / (- 4 - 1) = 1 ........ <em>(1)</em>

m_{TS} = (- 4 - 1) / (3 - 8 ) = 1 ......... <em>(2)</em>

From (1) and (2) ⇒ NA║TS

m_{AT} = ( 1 - 2) / ( 8 - 1) = - 1 / 7 .......... <em>(3)</em>

m_{NS} = ( - 4 + 3) / ( 3 + 4) = - 1 / 7 .... <em>(4)</em>

From (3) and (4) ⇒ AT║NS

Thus, NATS is rhombus.

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3 years ago
Angle P is an acute angle.
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A acute angle is always less than 90 degrees. So the answer is A. 
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What is 700,000+900+60+7 in standard form
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Step-by-step explanation:

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A grid shows the positions of a subway stop and your house. The subway stop is located at (7,-4) and your house is located at (-
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Image a right triangle with two points at these two locations and the hypothenuse as the distance between them.
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3 years ago
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