You can treat x and 2x+1 just as though they are real numbers.
So f(2x+1) = 3(2x+1) - 5 = 6x + 3 - 5 = 6x - 2
In the above, I made use of something called the distributive law which says that if a,b and c are real numbers, then a(b+c) = ab + ac.
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Hello!
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❖ 8.5 in = 425 miles
If 1 mi = 50 inches, multiply by 8.5:
50 x 8.5 = 425
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Lets x = the number of songs
The product of the number of songs and $0.99 = 0.99 times x = 0.99x
The product of the number of songs and $0.99 is $7.92:
=
0.99x = 7.92
Hope that helps.
20% of 55 is 11
Workingout: 20%/100% = 0.2
0.2 x 55 = 11
:)
Answer:
60 liters
Step-by-step explanation:
360/12=30
30x2=60 liters
Hope this helps! :)