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3 years ago

Which relation is a function?

Mathematics

2 answers:

gayaneshka [121]3 years ago

7 0

Answer: top right

Step-by-step explanation:

This function passes the vertical line test (no two points are on the same vertical line), every x value is paired with exactly one y value.

shusha [124]3 years ago

6 0

Answer:

Top right corner

Step-by-step explanation:

A function has to only have one output (y) for every input (x).

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X and y vary inversely and x=50 when y=5 find y when x=10 what is k?

Kisachek [45]

Answer:

Part A)

1) $k=250$

2) $y=25$

Part B)

1) $k=7$

2) $y=84$

Step-by-step explanation:

Part 1) x and y vary inversely and x=50 when y=5 find y when x=10 what is k?

we know that

A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form $y*x=k$ or $y=k/x$

step 1

Find the value of k

x=50 when y=5

substitute the values

$y*x=k$ ------> $5*50=k$ -----> $k=250$

The equation is equal to

$y*x=250$ or $y=250/x$

step 2

Find y when x=10

substitute the value of x in the equation and solve for y

$y*(10)=250$

$y=250/10=25$

Part B) x and y vary directly and x=6 when y=42 find k what is y when x=12

we know that

A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form $y/x=k$ or $y=kx$

step 1

Find the value of k

x=6 when y=42

substitute the values

$y/x=k$ ------> $42/6=k$ -----> $k=7$

The equation is equal to

$y/x=7$ or $y=7x$

step 2

Find y when x=12

substitute the value of x in the equation and solve for y

$y=7(12)=84$

5 0

3 years ago

Which statement is true?

Otrada [13]

The statement that would be considered be as true is "In a regular hexagon, the length of the radius is the same as the length of a side. In addition, a hexagon could be sliced forming triangles that are equilateral therefore having the same length of sides and similar interior angles.

3 0

3 years ago

Read 2 more answers

Help me I don’t remember how to find volume

Vika [28.1K]

Answer:

base times height divided by 2 i think i remember

Step-by-step explanation:

Because it's a triangular prism and the base times height makes a rectangular prism, a triangle is half of a rectangle

5 0

3 years ago

Finding the function of y=-2/3x +2

nordsb [41]

Answer:2 x + 3 y = 6

Step-by-step explanation:

in standard form

7 0

2 years ago

Neach row, colour the one with more number of pictures

saul85 [17]

Answer

neach row, colour the one with more number of pictures

Step-by-step explanation:

neach row, colour the one with more number of pictures

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3 years ago