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ra1l [238]
3 years ago
12

Helpp please thanksss

Mathematics
1 answer:
Brilliant_brown [7]3 years ago
8 0

Answer:

The function show the value of the machinery after "t" years.

So After "4" years... Input "t" as 4 to get its value

f(t) = 12,500 - 1,600(4)

=$6,100

OPTION C IS LEGIT!!!

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Given cos(angle) = -5/13 where the terminal arm of angle lies in quadrant 2, evaluate each trigonometric expression
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Answer the answer is 76.6

Step-by-step explanation:

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3 years ago
I need help with surface area
patriot [66]

Answer:

Surface Area varies by object/shape.

Ask your teacher/learning helper for those formulas of surface area

Step-by-step explanation:

Surface area is the sum of all faces (or surfaces) on a 3D shape. A cuboid has 6 rectangular faces. To find the surface area of a cuboid, add the areas of all 6 faces. We can also label the length (l), width (w), and height (h) of the prism and use the formula, SA=2lw+2lh+2hw, to find the surface area.

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Circumference of a circle use 22/7 for pie 10 1/2
Fittoniya [83]

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33

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3 years ago
Bags of flour at a local grocery store have a mean weight of 83 ounces with a standard deviation of 2 ounces. The manufacturer o
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Answer is 80.4 ounces :)!!!!
6 0
3 years ago
Read 2 more answers
Determine whether or not the vector field is conservative. If it is conservative, find a function f such that F = ∇f. (If the ve
djyliett [7]

We're looking for f(x,y,z) such that \nabla f(x,y,z)=\vec F(x,y,z), which requires

\dfrac{\partial f}{\partial x}=xyz^2

\dfrac{\partial f}{\partial y}=x^9yz^2

\dfrac{\partial f}{\partial z}=x^9y^2z

Integrating both sides of the first PDE wrt x gives

f(x,y,z)=\dfrac12x^2yz^2+g(y,z)

Differenting this wrt y gives

\dfrac{\partial f}{\partial y}=x^9yz^2=\dfrac12x^2z^2+\dfrac{\partial g}{\partial y}

\implies\dfrac{\partial g}{\partial y}=\dfrac12x^2z^2(2x^7y-1)

but we're assuming g(y,z) is a function that doesn't depend on x, which is contradicted by this result, and so there is no such f and \vec F is not conservative.

8 0
3 years ago
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