At a store, a hat has a regular price of x dollars. During a sale, the price of the hat is discounted by 20%. Write an expression to represent the sale price of the hat.

x - .2x

Step-by-step explanation:

You take the regular price minus the regular price times the discount percentage in decimal form

find the magnitude of the trig term  

csc

(

x

)

−

1

by taking the absolute value of the coefficient.

1

find the lower bound of the range.

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y

=

−

2

find the upper bound of the range.

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y

=

0

the range is  

y

≤

−

2

or  

y

≥

0

.

(

−

∞

,

−

2

]

∪

[

0

,

∞

)

{

y

|

y

≤

−

2

,

y

≥

0

}

step-by-step explanation:

answer: 10 meter

step-by-step explanation:

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