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Paraphin [41]
3 years ago
9

How do i solve this inequality and what is the answer? solve for x: -3x +3 < 6

Mathematics
2 answers:
steposvetlana [31]3 years ago
6 0

Answer:

x > −1

Explanation:

Subtract 3 From Both Sides:

−3x+3−3<6−3

−3x<3

Divide Both Sides By -3: ( / Is Fraction bar)

-3x / -3 < 3 / -3

= x>−1

- Mordancy.

kap26 [50]3 years ago
5 0

Answer:

x > -1

Step-by-step explanation:

-3x +3 < 6

-3x < 6 - 3  (subtract 3 from both sides)

-3x < 3   (divide both sides by 3)

-x < 1 (multiply both sides by -1, remember to flip the inequality when multiplying both sides by negative numbers)

x > -1  (answer)

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Answer:

See below

Step-by-step explanation:

<h3>Part A</h3>
  • The graph is attached
<h3>Part B</h3>
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It has only one solution when the line mx + 1 is parallel to one part of |2x - 4|.

As per graph, we see m = 2 makes it parallel to y = 2x - 4. This is the only solution.

---------------------------

Now, as I understand, you are looking for 2 solutions instead of one. It means the line mx + 1 will have 2 points of intersection with the line |2x - 4|.

One of those solutions is attached as well, where m = 1. And you may get many more options for this.

4 0
3 years ago
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saw5 [17]

Answer:

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3 0
3 years ago
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sdas [7]
SOLUTION:
 

A box has a square base of side x and height y where x,y > 0.
Its volume is V = x^2y and its surface area is S = 2x^2 + 4xy.
(a) If V = x^2y = 12, then y = 12=x^2 and S(x) = 2x^2 C 4x (12=x2) = 2x2 + 48x^-1. Solve S'(x) = 4x - 48x-2 = 0 to obtain x = 12^1/3. Since S(x/) ---> infinite as x ---> 0+ and as x --->infinite, the minimum surface area is S(12^1/3) = 6 (12)^2/3 = 31.45, when x = 12^1/3 and y = 12^1/3.


(b) If S = 2x2 + 4xy = 20, then y = 5^x-1 - 1/2 x and V (x) = x^2y = 5x - 1/2x^3. Note that x must lie on the closed interval [0, square root of 10]. Solve V' (x) = 5 - 3/2 x^2 for x>0 to obtain x = square root of 30 over 3 . Since V(0) = V (square root 10) = 0 and V(square root 30 over 3) = 10 square root 30 over 9 , the maximum volume is V (square root 30 over 3) = 10/9 square root 30 = 6.086, when x = square root 30 over 3 and y = square root 30 over 3 .
5 0
3 years ago
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8 0
3 years ago
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