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ch4aika [34]
3 years ago
15

Michelle is a server in a restaurant. On a weekend night, Michelle earned $4 an hour and $65 in tips She made a total of $93 Wri

te and solve an equation to determine how many hours she worked
Mathematics
2 answers:
Lana71 [14]3 years ago
7 0

Answer:

  • 4x + 65 = 93

Michelle worked for 7 hours.

Step-by-step explanation:

Hi, to solve this problem we have to write an equation with the information given:

  • Hours: x
  • Tips: $65
  • Price per hour: $4
  • Total earnings: $93

So, mathematically speaking :

  • 4x + 65 = 93

We have to solve the equation to find the value of "x" (hours).

4x = 93 - 65

4x = 28

x = 28 ÷ 4

x = 7

In conclusion, Michelle worked for 7 hours.

Feel free to ask for more if it´s necessary or if you did not understand something.

Sedbober [7]3 years ago
6 0

Answer:worked 7 hours

Step-by-step explanation:

93 - 65 = 28

28/4 = 7 hours

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with magnitude

\left\|\dfrac{\partial\vec r}{\partial x}\times\dfrac{\partial\vec r}{\partial y}\right\|=\sqrt{\left(\dfrac{\partial f}{\partial x}\right)^2+\left(\dfrac{\partial f}{\partial y}\right)^2+1}

In this case, the normal vector is

\dfrac{\partial\vec r}{\partial x}\times\dfrac{\partial\vec r}{\partial y}=-\dfrac{\partial(8-x-2y)}{\partial x}\,\vec\imath-\dfrac{\partial(8-x-2y)}{\partial y}\,\vec\jmath+\vec k=\vec\imath+2\,\vec\jmath+\vec k

with magnitude \sqrt{1^2+2^2+1^2}=\sqrt6. The integral of f(x,y,z)=e^z over S is then

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Answer:

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Step-by-step explanation:

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Norma-Jean [14]

Answer:

I keep getting no solution

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

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Step 3: Add 20 to both sides.

−20+20=6+20

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