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qwelly [4]
4 years ago
5

One-Step Equations:

Mathematics
2 answers:
Charra [1.4K]4 years ago
6 0
1. x= 18.4
2.x=12.3
3.x=6.4
4.z=5.8
5.x=-1/2
6.x=7/18
7.x=-9
8.z=18
9.x=7
erastova [34]4 years ago
3 0
9. X=7. 7-8=-1

8. X=18. 18-7=11
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11/4 cups of tomatoes.
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S=4LW+2WH S=136 L=7 W=4. what is h?
Bingel [31]

Answer:

<h2>H = 3</h2>

Step-by-step explanation:

S=4LW+2WH\\\\\text{We have}\ S=136,\ L=7,\ W=4.\ \text{Substitute:}\\\\136=4(7)(4)+2(4)H\\\\136=112+8H\qquad\text{subtract 112 from both sides}\\\\24=8H\qquad\text{divide both sides by 8}\\\\3=H\to H=3

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3 years ago
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Help help needed for composition of function
dimulka [17.4K]

Answer:

\circledast \ \ f\circ f\left( x\right) = x

\circledast \ \ g\circ g\left( x\right)  =4x - 21

Step-by-step explanation:

f(x)=\frac{5}{2x}

g(x) = 2x - 7

==============

f\circ f\left( x\right)  =\frac{5}{2\left( f\left( x\right)  \right)  }

             =\frac{5}{2\left( \frac{5}{2x}  \right)  }

             =\frac{5}{\left( \frac{5}{x}  \right)  }

             =5\times\frac{x}{5}

             =x

_____________

g\circ g\left( x\right)  =2(g(x)) - 7

            = 2(2x - 7) - 7

           = 4x - 14 - 7

           = 4x - 23

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Jim Tree receives a salary of $120.00 per week plus commission of 1% on sales to $3,000 and 2% on amounts over $3,000. Jim avera
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120 + 0.01(3000) + 0.02(9650 - 3000) =
120 + 30 + 0.02(6650) =
150 + 133 =
283 <==
5 0
3 years ago
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