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sergij07 [2.7K]
3 years ago
5

How do you find the x in f(x)=3x-11

Mathematics
1 answer:
galina1969 [7]3 years ago
7 0
Simplify
f(x) = 3 + 11
Multiple
fx = 3x + 11
<span>Solving for variable 'f'.
 Move all terms containing f to the left, all other terms to the right.
 Divide each side by 'x'. f = 11x-1 + 3
 Simplifying f = 11x-1 + 3
 Reorder the terms: f = 3 + 11x<span>-1</span></span>
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1200+0.075x&gt;=3300 what is the solution to the inequality
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Solving inequalities is just like solving any other Algebraic problem...look to P.E.M.D.A.S. (Parenthesis, Exponents, Division, Addition, Subtraction). So lets take a look at this problem now.

1200 + 0.075x\geq3300


Subtract 1200 from both sides...
0.075x\geq2100

Now divide by 0.075...
x\geq28000


NOTE: If you divide or multiple by a negative number while solving inequalities, you must flip the sign. Ex: You answer would be x\leq28000 if you would've multiplied or divided by a negative.




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3 years ago
1.)A rectangle has an area of 72 square centimeters and the length is twice the width. The perimeter of the rectangle
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1.

area = L x w = 72

L = 2w

72 = 2w*w = 2w^2

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perimeter = 2L +2W = 2*12 + 2*6 = 24+12 = 36


2.

sqrt(40)= 6.324555 cm ( round to 6.32 )

6.32 - 4 = 2.32 cm original length of a side


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