Answer:
7x-7=y
Step-by-step explanation:
5x+7y=10
5x-10=10-7y-10
5x-10=-7y
(1/7)5x-10=7y(1/7)
5x/35-10/70=y
7x-7=y
<em>Sana</em><em> </em><em>maka</em><em>tulong</em><em> </em>
30:6 is an equivalent ratio. Anymore and you would have a decimal.
Answer:
Yes
Step-by-step explanation:
Yes they are because if you divide 18 by 3 you get six and if you divide 15 by 3 you get 5, so it simplifies to 6:3 which is the same as the ratio for rings
Answer:
120 divided by 20 is 6
Step-by-step explanation:
Its 30.
The relevant rules of exponents are
.. (t^a)^b = t^(a·b)
.. t^a·t^b = t^(a+b)
You have
.. (t^-4)^-9·t^2
.. = t^((-4)*(-9) +2)
.. = t^38 . . . . . . . . . . . selection C
