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Svetllana [295]
2 years ago
7

Identify the correct measure of the Thumbtack to the nearest 1/8 inch ​

Mathematics
1 answer:
Sliva [168]2 years ago
8 0

it’s the 3rd one. so.. 5/8

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Emily and her family are planning to fly to Italy over the summer. If they fly out from LAX, the distance of the trip will be 6,
Iteru [2.4K]

The speed is the ratio between the distance and the time:

s=\frac{d}{t}

Data:

d=6343miles

t=9h

s=\frac{6343\text{miles}}{9h}=704.77\frac{miles}{h}Then, the plane traveled at a speed of 704.77 miles per hour.

8 0
10 months ago
Find the directional derivative of f(x,y,z)=2z2x+y3f(x,y,z)=2z2x+y3 at the point (−1,4,3)(−1,4,3) in the direction of the vector
Feliz [49]

f(x,y,z)=2z^2x+y^3

f has gradient

\nabla f(x,y,z)=2z^2\,\vec\imath+3y^2\,\vec\jmath+4xz\,\vec k

which at the point (-1, 4, 3) has a value of

\nabla f(-1,4,3)=18\,\vec\imath+48\,\vec\jmath-12\,\vec k

I'm not sure what the given direction vector is supposed to be, but my best guess is that it's intended to say \vec u=15\,\vec\imath+25\,\vec\jmath, in which case we have

\|\vec u\|=\sqrt{15^2+25^2}=5\sqrt{34}

Then the derivative of f at (-1, 4, 3) in the direction of \vec u is

D_{\vec u}f(-1,4,3)=\nabla f(-1,4,3)\cdot\dfrac{\vec u}{\|\vec u\|}=\boxed{\dfrac{294}{\sqrt{34}}}

4 0
3 years ago
Which motion does the vector show?
Hatshy [7]
Right one unit and up ten units. Hope this helps!
3 0
3 years ago
In the XY coordinate plane, the slope of a line is 4 and it passes through the point (1,3). Find the equation of a line that is
Sergeeva-Olga [200]

Answer:

E?

Step-by-step explanation:

I'm sorry of this answer is wrong

7 0
2 years ago
En un hospital 1800 varones mayores de 40 años son examinados por medio del tacto rectal como prueba de tamizaje para detectar c
Scilla [17]

Answer:

de turquesa en la cueva surena

Step-by-step explanation:

4 0
3 years ago
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