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4 years ago

GUYS, PLEASE HELP ME PLEASE. THANKS.

Mathematics

1 answer:

Dahasolnce [82]4 years ago

3 0

12 because 9+6=15 so add 6 to c

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3. -- (25x+10) = -2 - 5x how many solutions does this have ?

Thepotemich [5.8K]

Answer: x = -2/5

Step-by-step explanation:

25x + 10 = -2 -5x

⇔ 30x = -12

⇔ x = -2/5

5 0

3 years ago

Rate = 45 mph time=4 hours distance =

NikAS [45]

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▹ Answer

<em>180 miles</em>

▹ Step-by-Step Explanation

Distance = mph * hours

Distance = 45 mph * 4 hrs

Distance = 180 miles

Hope this helps!

CloutAnswers ❁

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3 0

3 years ago

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

3 years ago

How much will you have contributed to a 20 payment life insurance policy that has a face value of $45200 over a 15 year period g

Elena-2011 [213]

Answer:

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Step-by-step explanation:

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xmyefoutaurdthzhtzfsxufkutugedulfksutilyrafgjdukuracykddtidyjxgmstjfulstjzjylchjtsegagjzdykwu4yrarhsdhrArsjtburiyevoysip

5 0

3 years ago

URGENT PLEASE convert y = -5/6x -9 to standard slope form

SpyIntel [72]

Answer:

6y + 5x = -54

Step-by-step explanation:

y = m x + b -> slope-intercept form

ax + by = c -> standard form

$y = - \frac{5}{6} x - 9$

6y = -5x - 54

6y + 5x = -54

3 0

3 years ago