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Alexeev081 [22]
3 years ago
9

Please help on a online test and WILL FAIL if I don’t get this right Find the missing factor.

Mathematics
1 answer:
Neko [114]3 years ago
5 0

Answer:

(x+7)

Step-by-step explanation:

(x+7)(2x+1)=2x^2+14x+x+7=2x^2+15x+7

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I believe that the answer is 144 

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A square room has a floor area of 81 square meters. The height of the room is 5 meters. What is the area of one wall
VMariaS [17]

Area of a square is side length ^2

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6 0
3 years ago
F(x, y, z) = yzexzi + exzj + xyexzk,c: r(t) = (t2 + 4)i + (t2 − 1)j + (t2 − 2t)k, 0 ≤ t ≤ 2(a) find a function f such that f = ∇
exis [7]
\nabla f(x,y,z)=\mathbf f(x,y,z)=yze^{xz}\,\mathbf i+e^{xz}\,\mathbf j+xye^{xz}\,\mathbf k

\dfrac{\partial f(x,y,z)}{\partial x}=yze^{xz}
\implies f(x,y,z)=\displaystyle\int yze^{xz}\,\mathrm dx=\dfrac{yz}ze^{xz}+g(y,z)
f(x,y,z)=ye^{xz}+g(y,z)

\dfrac{\partial f(x,y,z)}{\partial y}=e^{xz}=e^{xz}\dfrac{\partial g(y,z)}{\partial y}
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\dfrac{\partial f(x,y,z)}{\partial z}=xye^{xz}=xye^{xz}+\dfrac{\partial h(z)}{\partial z}
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8 0
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