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2 years ago

Please help (-0.5)/(-0.5 ) -50/(-0.5 )

1 answer:

6 0

If you would like to solve (- 0.5) / (- 0.5) and - 50 / (- 0.5), you can do this using the following few steps:

(- 0.5) / (- 0.5) = 0.5 / 0.5 = 1

- 50 / (- 0.5) = 50 / 0.5 = 50 / (5/10) = 50 / (1/2) = 50 * 2/1 = 100

The correct results would be: (- 0.5) / (- 0.5) = 1 and - 50 / (- 0.5) = 100.

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Determine whether or not F is a conservative vector field. If it is, find a function f such that F = ∇f. (If the vector field is

Elis [28]

In order for F to be conservative, there must be a scalar function f such that the gradient of f is equal to F. This means

$\dfrac{\partial f}{\partial x}=3x^2-2y^2$

$\dfrac{\partial f}{\partial y}=4xy+4$

Integrate both sides of the first equation with respect to x :

$f(x,y)=x^3-2xy^2+g(y)$

Differentiate both sides with respect to y :

$\dfrac{\partial f}{\partial y}=-4xy+\dfrac{\mathrm dg}{\mathrm dy}=4xy+4\implies\dfrac{\mathrm dg}{\mathrm dy}=8xy+4$

But we assume g is a function of y, which means its derivative can't possibly contain x, so there is no scalar function f whose gradient is F. Therefore F is not conservative.

8 0

2 years ago

Simplify the expression 14+2y+3-6y

san4es73 [151]

14+2y+3-6y=
14+3+2y-6y=
17-4y

8 0

2 years ago

Read 2 more answers

Quick Question

omeli [17]

Answer:

1 * 10^12

Step-by-step explanation:

Scientific notation is a representation of a large number in a short form. The answer, 1*10^12 (read as ten to the twelfth power) essentially says that the number when expanded is 1 with 12 zeros appended to it. If you did a number like 7 trillion you would have 7 * 10^12.

Same thing can be applied for 1,000,000 (one million).

1 * 10^6 because one million has 6 zeros appended to it.

5 0

2 years ago

Aimee has $10.00 to spend on school supplies. The following shows the price of each item in the school store. No sales tax is ch

Rainbow [258]

Answer:

17. yes - 9.95

18. yes - 9.45

19. no - 10.01

20. no 10.01

21. yes 9.86

4 0

2 years ago

A customer service representative earns $13 an hour, and he works 52 hours a week. What is his weekly wage? A. $91 B. $364 C. $6

leva [86]

I'm pretty sure its c
You just multiply 13 and 52

4 0

3 years ago