Answer:
Real numbers are "closed" under multiplication
Irrational numbers are "not closed" under division
Integers are "closed" under subtraction
Positive ration numbers are "closed"
Hope this helps! :)
Answer:
51,51 and 78
Step-by-step explanation:
3x+9=4x-5
3x=4x-14
-x=-14
x=14
1. 79
2. 330
3. 452
4. 1212
5. 351
6. 202
7. 238
Answer:
418
Step-by-step explanation:
fig 2 = fig 1 + 5
fig 3 = fig 2 + 7 or fig 1 +5+7 16
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
4+5+7+9+11+13+15+17+18+19+21+23+25+27+29+31+33+35+37+39
The answer you are looking for is A, I'm a little rusts at these but that should your answer have a good day!
