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tatyana61 [14]
3 years ago
7

Which of the following is not closed under the operation being performed ?

Mathematics
1 answer:
photoshop1234 [79]3 years ago
8 0
The answer is c because I checked the math on the paper. 
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Martin finds a shirt on sale for 20 %off at a department store. The original price was 10$ Martin must also pay 8.5% sales tax.
Serhud [2]

Answer:

Step-by-step explanation:

Sale price = 80% of $10 = 0.80×$10 = $8

price + tax = 1.085×$8 = $8.68

8 0
2 years ago
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Find the midpoint of the segment with the following endpoints.<br> (-10, 2) and (-5, -1)
Dafna11 [192]

Answer:

(4, 5)

Step-by-step explanation:

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3 years ago
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A realtor sold 3 homes during her first month at an average house price of $120,000. During her second month, she sold 2 homes a
SCORPION-xisa [38]

Answer:

The overall average is $148,000

Step-by-step explanation:

 120,000           740,00 divided by 5 is 148,000

 120,000

 120,000

 190,000

+ 190,000

 -------------

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4 0
3 years ago
Brad sold 5 times as many raffle tickets as Doug. They sold 120 raffle tickets in all. Write an equation to answer this question
anygoal [31]
The equation would be
5x+x=120
5 0
3 years ago
Simplify the expression.<br><br> 4d+9−d−8
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4d + 9 - d - 8 = (4d - d) + (9 - 8) = d(4 - 1) + 1 = 3d + 1
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