No signs of draggin stuff
so PEMDAS
so wha yyou woul ddo first is see if parenthasees can be simplified
it cannot
so next we do multiply or distribute the 9
9(x+2)=9x+18
so now we have
9x+18=90
then we do subtraction
of 18
9x=72
divide 9
x=8
so order is multiplication then subtraction then division
Answer:
A scale factor of 2
Step-by-step explanation:
Answer:
9.5
Step-by-step explanation:
13x+1+12x-2+14x+1+109+132+128
collect all the like terms
13x+12x+14x
=39x
1+-2+1+109+132+128
=369
39x=369
divide both sides by 39
=9.5
{1,3,5,7,9} {6,7,8,9,10}
The union of these two sets is
{1,3,5,6,7,8,9,10}
There are 8 numbers here out of the 10 possible.
So the answer for this question is 8/10 or 4/5.
Answer:
D) b = 
Step-by-step explanation:
First, move all the terms that do not include b to the left side with S:
S = 2ab + 2bc + 2ac
S - 2ac = 2ab + 2bc
Now, factor out 2b from the right side:
S - 2ac = 2b(a + c)
Divide both sides by 2(a + c):
b = 
Finally, multiply out the denominator:
b =
