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suter [353]
3 years ago
8

(9x²+24x-8)-(5x²+3x+10)

Mathematics
1 answer:
Amanda [17]3 years ago
5 0

Answer:

4xsquared +8x -2

Step-by-step explanation:

For 9x and 4x you need to minus. For 24x and 3x you simply divide. the last part you subtract for -8 and 10. Hope that helped!

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Marking brainliest <br><br> Pls help
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In my opinion I think it's the third one
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3 years ago
A store is instructed by corporate headquarters to put a markup of 25​% on all items. An item costing ​$24 is displayed by the s
larisa [96]

Answer: The correct selling price is $29.97.

Step-by-step explanation:

Since we have given that

Cost price of an item = $27

Mark up rate = 11%

So, Amount of mark up would be

So, Amount after mark up would be

Hence, the correct selling price is $29.97.

The manager's likely error is that he has put the selling price the mark up amount only i.e $2.9≈$3 instead of adding the mark up amount to the cost price.

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3 years ago
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a right angle triangle has the perimeter of 96cm. the length of its sides are in the ratio of 6:8:10. work out the area of the t
Solnce55 [7]

Answer:

384 centimeters squared.

Step-by-step explanation:

96/(6+8+10)

96/24 = 4

6×4 : 8×4 : 10×4

24:32:40

The length of its sides are in the ratio of 24:32:40

The longest side is the hypotenuse which is 40.

The area is base × height × 1/2 of a triangle.

32 × 24 × 1/2

768 × 1/2

=384

The area of the triangle is 384 cm squared.

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3 years ago
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I need help with 7-14
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first off sorry it took so long to answer, these long word questions are time consuming and i havent done them in a while so i had to refresh my memory, secondly the equations all end where i say the word "where", thirdly i am absolutely sure of all these answers except for the first one, the first one i am pretty sure i still got it but not 100%.

hope this helps.
5 0
3 years ago
What is the correct domain and range in set notation?
Svetlanka [38]

DOMAIN: [0, +6)

RANGE: (-2.5, +2.5)

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