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trapecia [35]
3 years ago
12

Which operations is the following set closed under: {2, 4, 6, ...}? The answer has to be written out and there are no choices

Mathematics
2 answers:
OLga [1]3 years ago
7 0
Its closed under addition and multiplication 
Dvinal [7]3 years ago
6 0
The set is taking the previous term and adding two to it to get the next term.
So: 2 + 2 = 4, 4 + 2 = 6, and so on.
The next three terms are 8, 10, and 12.

Hope this helps!
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Solve this system of equations. <br><br> 12x − 18y = 27 <br> 4x − 6y = 10
kifflom [539]

Answer:

no solution

Step-by-step explanation:

12x − 18y = 27  

4x − 6y = 10

Multiply the second equation by -3 so we can eliminate x

-3(4x − 6y) = 10*-3

-12x +18y = -30

Add the first equation to this new equation

12x − 18y = 27

-12x +18y = -30

------------------------

0 = -3

This is not a true equation, so there is no solution


7 0
3 years ago
One day at 3:00 a.m., the temperture was -13 degrees F in Kodiak ,Alaska. At 10:00 a.m. the temperature was 22 degrees F. what w
Ksju [112]
The average change in temperature is +5 degrees every 1 hour.
8 0
3 years ago
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Translate each algebraic expression or equation into a verbal phrase 9y <br>​
rosijanka [135]

Answer: just multiply 9 and y together: 9 x y

5 0
3 years ago
Two trains leave a town at the same time heading in opposite directions. One train is traveling 12 mph faster than the other. Af
Flauer [41]

Answer:

Two trains leave a town at the same time heading in opposite directions. One train is traveling 12 mph faster than the other. After two hours, they are 232 miles apart. What is the average speed of each train?

52 mph; 64 mph

55 mph; 70 mph

92 mph; 104 mph

98 mph; 110 mph

Step-by-step explanation:

5 0
3 years ago
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Lisa is 10 cm taller than her friend ian. Ian is 14 cm taller than jim. Every month, their heights increase by 2 cm. In 7 months
koban [17]

Answer:  Ian's height = x+14 = 69+14 = 83 cm

Explanation :

Let the height of Jim be x

Let the  height of Ian be x+4

Let the height of Lisa be x+4+10=x+14

Since their heights increase by 2cm every months

so after 7 months ,

Jim's  height = x+14

Ian's  height= x+4+14=x+18

Lisa's  height= x+14+14=x+28

According to question,

Sum of Ian's and Jim's height = 170cm

x+18+x+14 = 170\\2x+32 =170\\2x =170-32\\2x = 138

⇒x = \frac{138}{2}

⇒ x= 69cm

∴ Ian's height = x+14 = 69+14 = 83 cm

5 0
3 years ago
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