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Lera25 [3.4K]
2 years ago
12

Nick bought a pair of glasses for $200. He later saw the same glasses advertised for 20% less than what he originally paid. What

price were the glasses being advertised for? 
Mathematics
2 answers:
djyliett [7]2 years ago
4 0
$160

.20 * 200= 40

200-40=160
const2013 [10]2 years ago
4 0

(original-new) / original = discount

(200-new)/200 = .20

multiply by 200 on both sides

200 - new=40

subtract 200 from each side

-new = -160

multiply by -1

new = 160

the selling price is $160

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Sati [7]
So first we will add together the fractions. 3/4 is equal to 6/8, so we will add 6/8 to 7/8 and get 13/8, or 1 5/8.  Then we can add together the whole numbers, 19 and 18, to get 37. Then add 37 + 1 5/8 and get 38 5/8. Lastly, we subtract that amount from 50 to get a finale number of 11 3/8. The pet store donated 11 3/8 pounds of cat food! Hope this helps!
8 0
1 year ago
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Which type of isometry is the equivalent of two reflections across intersecting lines?
Lorico [155]
<span><u><em>The correct answer is: </em></u>
B) rotation.

<u><em>Explanation: </em></u>
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3 0
1 year ago
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In a reliability test there is a 42% probability that a computer chip survives more than 500 temperature cycles. If a computer c
Strike441 [17]

Answer:

The probability is P(B' n A ' ) =  16%

Step-by-step explanation:

From the  question we are told that  

     A  is the event that  the chip was "made by company A"

      B is  the event that a chip "survives 500 temperature cycles"

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     P(B) = 42% = 0.42

 The  probability that does not survive more than 500 temperature cycles and  it was manufactured by company A is  P(A | B' ) =  0.73

The probability that the  computer chip is not manufactured by company A and does not survive more than 500 temperature cycles is mathematically evaluated as

      P(B' n A ' ) =  P (B' | A' ) P(B ')

Where B' \ and \   A' are a A and B complements and  | represented AND operator  

  So  

        P(B' n A ' ) = [1 -  P (B' | A )] [1 - P(B )]

substituting values

         P(B' n A ' ) = [1 -  0.73] [1 - 0.42 ]

        P(B' n A ' ) = (0.27 )(0.58)

        P(B' n A ' ) =0.16

        P(B' n A ' ) =  16%

7 0
1 year ago
Write an equivalent expression to -2(1.5h+5)-4(-0.5+3h)
kvv77 [185]

Answer:

<em><u>-15h-8</u></em>

Step-by-step explanation:

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6 0
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Answer:

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