3 years ago

Are step functions one to one?

Mathematics

1 answer:

dlinn [17]3 years ago

6 0

Answer: the function as they change value from one interval to the next

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Determine whether line AB and line CD are parallel, perpendicular, or neither. A( 4, 2), B(-3, 1), C(6, 0), D(-10, 8)

Lapatulllka [165]

Answer:

<h2>neither</h2>

Step-by-step explanation:

If AB an CD are parallel, then their slopes are the same.

If AB and CD are perpendicular, then the product of their slopes is equal -1.

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

Calculate the both slope:

$A(4,\ 2),\ B(-3,\ 1)\\\\m_{AB}=\dfrac{1-2}{-3-4}=\dfrac{-1}{-7}=\dfrac{1}{7}\\\\C(6,\ 0),\ D(-10,\ 8)\\\\m_{CD}=\dfrac{8-0}{-10-6}=\dfrac{8}{-16}=-\dfrac{1}{2}\\\\=============================$

$m_{AB}\neq m_{CD}$

The line AB and line CD are not parallel

$m_{AB}\cdot m_{CD}=\left(\dfrac{1}{7}\right)\left(-\dfrac{1}{2}\right)=-\dfrac{1}{14}\neq-1$

The line AB and line CD are not perpendicular.

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3 years ago

Gary has 5 3/5 acres of land. he uses 1/3 acres of the land for a shed a 1/6 of land for planting. how many acres of land does G

SVETLANKA909090 [29]

Answer:

6/10 or 6/1/10

Step-by-step explanation:

5 3/5 + 1/3 +1/6 =6/10 or 6/1/10

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3 years ago

Piecewise function help

Vlad1618 [11]

Nothing is mentioned...how am I supposed to help you?

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3 years ago

HeLPPP

sveta [45]

Answer:

1/2 is the answer. i just took the quiz

Step-by-step explanation:

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3 years ago

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Can someone help me solve this please! I need to find what N equals!

Flura [38]

[ (12 - n)/7 ] = -1

12- n = -7

-n = -19

n = 19

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2 years ago

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