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lorasvet [3.4K]
3 years ago
6

What is the inequality using X Solve the inequality

Mathematics
2 answers:
vivado [14]3 years ago
8 0
The inequality should be 4x + 6 > 30
4 times x is 4x, and if anything is greater then smth, you should use > if that number is on the left.
to solve, just do what u would do in algebra, except charging the = into >
4x + 6 > 30
4x > 30 - 6
x > 24/4
x > 6
tatuchka [14]3 years ago
7 0
Answer:  <span> x  >  6</span>  .
_________________________
Explanation:
_________________________

4x + 6 <span> > 30 ;  Solve for "x" ; 
_________________________

Subtract "6" from both sides of the inequality:
____________________________________
4x + 6 </span>− 6 > 30 − 6 ;  to get:
____________________________________
       4x  > 24 ;
____________________________________
Divide EACH SIDE of the inequality by "4" ; to isolate "x" on one side of the inequality; and to solve the inequality (for "x") ; 
__________________________________
        4x / 4 > 24 / 4 ;  to get:
__________________________________
            x  >  6  .
__________________________________
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Jennifer has a taco stand.she found that her daily costs can be modeled by C(x)=x^2-40x+610. if she wants to keep her daily cost
polet [3.4K]
Let's focus on the given equation. The C represents the cost, while the x must be the number of tacos, which is what we're solving for. Since we're given the boundary that C must be 300, then the solution would be:

300 = x² - 40x + 610
x² - 40x + 310 = 0

Apply the quadratic formula where a = 1, b = -40 and c = 310. The roots of x are:
x = 29.49≈30
x = 10.51≈11

<em>Thus, she needs to sell either 30 or 11 tacos.</em>

4 0
3 years ago
Given the graphs of f(x) =x -7 and g(x) =-5x-1, what is the solution to the equation f() = g(x)?
lions [1.4K]

Answer:

1

Step-by-step explanation:

x-7=-5x-1

x-(-5x)-7=-1

x+5x-7=-1

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8 0
2 years ago
Please solve, -8-2(7r+1)=-94​
skelet666 [1.2K]

Answer:

r = 6

Step-by-step explanation:

Hello!

-8 - 2(7r + 1) = -94

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-2(7r + 1) = -86

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7r + 1 = 43

Subtract 1 from both sides

7r = 42

Divide both sides by 7

r = 6

Hope this Helps

4 0
3 years ago
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