Answer:
I got -3+11x
Step-by-step explanation:
-3(1-3x)+2x
-3+9x+2x
-3+11x
5 times a number subtracted from 3.
Hope this helps!
Answer:
80x3 - 180x2 + 109x - 20
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4
Step-by-step explanation:
Again, a spreadsheet or suitable calculator makes this short work.
The sum is 184.
_____
The terms being summed are ...
2·3² +3 = 2·9 +3 = 18 +3 = 21
2·4² +3 = 35
2·5² +3 = 53
2·6² +3 = 75
Their total is
21 +35 +53 +75 = 184
Answer:
X =2 Y= 10
Step-by-step explanation:
EF ~ BC 8/20= 0.4 AB~DE 15*0.4 =6 6-4 = 2
AC~DF 25*0.4 = 10