HELP ASAPP 30 points!!!!!
Which number is rational?
1 answer:
Answer:
d
Step-by-step explanation:
because its a whole number as in the square root is 4
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Answer:
11 cups of flour..... any other questions?
Step-by-step explanation:
Answer:
35w
Step-by-step explanation:
15w-6x+6x+20w
collect like terms
15w+20w-6x+6x
=35w
Answer:
multiply 10 and divide by 9
Step-by-step explanation:
you multiply 90 by 10 and get 900 then divide 900 by 9 and u get 100
Answer:
3a+6b = 45
Multiply by 2
6a +12b = 90.....(1)
2a- 2b = -12
Multiply by 3
6a - 6b = -36 .....(2)
(1)-(2)
18b = 126
b= 7
3a+6b = 45
3a + 6(7) = 45
3a +42 = 45
3a = 3
a= 1
(a,b) = ( 1,7)
