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Gelneren [198K]
3 years ago
9

Under which operations are polynomials closed

Mathematics
1 answer:
Helga [31]3 years ago
6 0
Addition,subtraction,and multiplication
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A sporting goods store purchased a snowboard and marked it up 25% from the original cost of $120. Then, wanting to make room for
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The price after the discount was $45.

When the sporting goods store bought the snowboard and marked it up by 25%, the price became:

<em>= Original cost x ( 1 + markup percentage)</em>

= 120 x ( 1 + 25%)

= 120 x 1.25

= $150

The snowboard was then discounted by 70%, the new price becomes:

<em>= Current price x ( 1 - discount rate)</em>

= 150 x ( 1 - 70%)

= 150 x 30%

= $45

In conclusion, the price after the discount was $45.

<em>Find out more at brainly.com/question/1472521.</em>

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2 years ago
*IS MY ANSWER CORRECT?!?! IF NOT PLEASE TELL ME THE CORRECT ONE.*<br><br> [ READ ATTACHMENTS ]
pashok25 [27]

Answer:

Yes it is correct Great Job!

Step-by-step explanation:

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3 years ago
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A used automobile dealership recently reduced the price of a used compact car by 10​%. If the price of the car before discount w
kati45 [8]

Answer:

Step-by-step explanation:

Your answer

New price = 16290

Discount = 1810

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3 years ago
A polynomial has been factored below, but some constants are missing. 2x^3 –6x^2 –8x=ax(x+b)(x+c) What are the missing values of
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2x (x - 4) (x + 1). A=2, B=-4, C=1
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Solve the absolute value inequality: |8x + 5| &gt; 15. Express using interval notation
kirill [66]

Answer:

8 < 2

Step-by-step explanation:

8x + 5 > 15

8x > 15 - 5

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