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borishaifa [10]
3 years ago
9

Wilton drives a taxicab. He charges $40 per hour. One passenger gave Wilton a tip of $30.

Mathematics
1 answer:
xxTIMURxx [149]3 years ago
6 0
A) h=hours
b) 40 (h)+30= amount earned
hope that is right
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For each of the following vector fields F, decide whether it is conservative or not by computing curl F. Type in a potential fun
Burka [1]

Answer:

1,2 and 4 are conservatives

3 is not conservative

Step-by-step explanation:

We calculate  the Curl F

Remember that:

        Curl F = <\frac{dFz}{dy} - \frac{dFy}{dz}, \frac{dFz}{dx} - \frac{dFx}{dz}, \frac{dFy}{dx} - \frac{dFx}{dy}>

1. Curl F = <0,0,5-5> = <0,0,0>

  The potential function f so that  ∇f=F

  f(x,y,z) = -3x^{2} +5xy + 5y^{2}

  Then F is conservative

2. Curl F = < 0, 0 ,0>

  The potential function f so that  ∇f=F

  f(x,y,z) = -3/2x^{2} -y^{2}+z

  Then F is conservative

3. Curl F = <0 ,0, 10+3xsin(y) - (-cos(y))>

              = <0 ,0 , 10 +3xsin(y) + cos(y)<

 How the field's divergence is not zero the vector field is not conservative

4. Curl F = <0, 0, 0>  

  The potential function f so that  ∇f=F

  f(x,y,z) = x^{3}+(5/3)y^{3}+(5/3)z^{3}    

   Then F is conservative

5 0
3 years ago
Simplify: <img src="https://tex.z-dn.net/?f=4%5Csqrt%7B12%7D%20-%20%5Csqrt%7B3%7D%20%2B%204%20%5Csqrt%7B6%7D%20%2B%203%20%5Csqrt
Dahasolnce [82]
4 divided by 12 -3+4 divided by 6+3 divided by 4
6 0
2 years ago
Some one help me ASAP
Marrrta [24]

Answer:

The measure of the angle ABD is:

m∠ABD = 122°

Step-by-step explanation:

Given

m∠ABC = 84°

m∠CBD = 38°

To determine

Find m∠ABD

The given diagram shows that m∠ABD is the sum of m∠ABC and m∠CBD.

In other words,

m∠ABD = m∠ABC + m∠CBD

substituting m∠ABC = 84° and m∠CBD = 38°

m∠ABD = 84° + 38°

m∠ABD = 122°

Therefore, the measure of the angle ABD is:

m∠ABD = 122°

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Zigmanuir [339]
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Answer:

he gets more money then he had to start with

Step-by-step explanation:

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