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3 years ago

Solve log x = 3. Please help me here, thank you have a great day/night

Mathematics

1 answer:

LenaWriter [7]3 years ago

8 0

Answer:

x=1000 or 10 to the 3rd power

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For each of the following vector fields F , decide whether it is conservative or not by computing the appropriate first order pa

Mazyrski [523]

Answer:

(a)

Conservative

(b)

Not conservative

(c)

Conservative.

Step-by-step explanation:

(a)

$\mathbf{F}(x,y) = (-10x+7y,7x+6y)$

Notice that

$\frac{\partial\mathbf{F}_y}{\partial x} = 7$

and

$\frac{\partial\mathbf{F}_x}{\partial y} = 7$

Therefore the field is conservative.

(b)

Notice that

$\mathbf{F}(x,y) = (-5y,-4x)$

and

$\frac{\partial\mathbf{F}_y}{\partial x} = -4$

but

$\frac{\partial\mathbf{F}_x}{\partial y} = -5$

Therefore is not conservative.

(c)

Notice that

To prove that the vector field is conservative you have to compute the curl of the vector field and you would get that.

$\mathbf{F}(x,y,z) = (-5x,-4y,1)$

$\nabla \times \mathbf{F} = (0,0,0)$

Therefore your vector field is conservative.

6 0

4 years ago

Alex surveyed his classmates to determine who has been surfing and who has gone snowboarding let a be the event that a classmate

strojnjashka [21]

Answer: 3/4

Step-by-step explanation: Given that B is the event occurring and A is the event that has happened, we will use 36/48 as our probability. Once simplifying the numbers, you will get .75 or 3/4.

8 0

3 years ago

2 tacos cost $6. What is the cost for 6 tacos?

Fiesta28 [93]

Answer:

18 dollars

Step-by-step explanation:

We can write a proportion to solve

2 tacos 6 tacos

--------------- = ------------

6 dollars x dollars

Using cross products

2*x = 6*6

2x = 36

Divide by 2

2x/2 36/2

x = 18

18 dollars

6 0

3 years ago

Jane has $5 more than three times as much money as Lonnie has.Bob has $1 less than four times as much money as Lonnie has. All t

kkurt [141]

Starting equation:
92=J+L+B

To find how much money Jane has, we use the equation:
J=5+3L
To find how much money Bob has, we use the equation:
B=4L-1

Enter those equations in the problem

92=(5+3L)+L+(4L-1)
Combine like terms
92=4+8L
Subtract 4 to isolate variable
88=8L
Divide by 8 to isolate variable
11=L

Answer:
Lonnie has $11
Jane has $38
Bob has $43

side note: Lonnie is that one poor friend we all have

5 0

3 years ago

Write 2.3636363636 as a mixed number

RUDIKE [14]

Answer:

2.36

Step-by-step explanation:

This is non- terminating number

so it's answer is 2.36

4 0

3 years ago