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3 years ago

Please help me thanks

Mathematics

1 answer:

Harlamova29_29 [7]3 years ago

7 0

Answer:

5 $\frac{7}{8}$

Step-by-step explanation:

You subtract all those distances from 22 to calculate the remaining distance.

22-4 $\frac{3}{4}$ = 17 $\frac{1}{4}$

17 $\frac{1}{4}$ -5 $\frac{1}{8}$ =12 $\frac{1}{8}$

12 $\frac{1}{8}$ -0=12 $\frac{1}{8}$

12 $\frac{1}{8}$ -6 $\frac{1}{4}$ =5 $\frac{7}{8}$

So the answer is 5 $\frac{7}{8}$

(Yes I did these in my head)

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The difference of 8 and 2 times m

ddd [48]

I’m confused? I understand it is math but can you word the problem better?

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3 years ago

Evaluate the integral Integral from (5 comma 2 comma 4 )to (7 comma 9 comma negative 3 )y dx plus x dy plus 3 dz by finding para

padilas [110]

$\displaystyle\int_C\vec F\cdot\mathrm d\vec r=\int_{(5,2,4)}^{(7,9,-3)}y\,\mathrm dx+x\,\mathrm dy+3\,\mathrm dz$

Parameterize the line segment (call it $C$ ) by

$\vec r(t)=(1-t)(5\,\vec\imath+2\,\vec\jmath+4\,\vec k)+t(7\,\vec\imath+9\,\vec\jmath-3\,\vec k)$

$\vec r(t)=(2t+5)\,\vec\imath+(7t+2)\,\vec\jmath+(4-7t)\,\vec k$

with $0\le t\le1$ . Then

$\vec r'(t)=2\,\vec\imath+7\,\vec\jmath-7\,\vec k$

and the line integral is

$\displaystyle\int_C\vec F\cdot\mathrm d\vec r=\int_0^1((7t+2)\,\vec\imath+(2t+5)\,\vec\jmath+3\,\vec k)\cdot\vec r'(t)\,\mathrm dt$

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Alternatively, if we can show that $\vec F$ is conservative, then we can apply the fundamental theorem of calculus. We need to find $f$ such that $\nabla f=\vec F$ , which requires

$\dfrac{\partial f}{\partial x}=y$

$\dfrac{\partial f}{\partial y}=x$

$\dfrac{\partial f}{\partial z}=3$

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$f(x,y,z)=xy+g(y,z)$

Differentiating both sides wrt $y$ gives

$\dfrac{\partial f}{\partial y}=x=x+\dfrac{\partial g}{\partial y}$

$\implies\dfrac{\partial g}{\partial y}=0\implies g(y,z)=h(z)$

Differentiating wrt $z$ gives

$\dfrac{\partial f}{\partial z}=3=\dfrac{\mathrm dh}{\mathrm dz}$

$\implies h(z)=3z+C$

So we have

$f(x,y,z)=xy+3z+C$

and $\vec F$ is conservative. By the FTC, we find

$\displaystyle\int_C\vec F\cdot\mathrm d\vec r=f(7,9,-3)-f(5,2,4)=\boxed{32}$

5 0

3 years ago

Please help ill mark brainliest

sp2606 [1]

Answer: She is correct because the average of the numbers 2, 3, 1, 4, 5, 2, 3, 4, 3, is 3.

Step-by-step explanation:

To find average you add all of the listed numbers, (2, 3, 1, 4, 5, 2, 3, 4, 3) which is 27. You then divide 27 by the amount of listed numbers, which is 9. 27 divided by 9 is 3. There for the average amount of strokes it takes to hit the ball into the hole of each green is 3.

Hope this helps! Please rate, it helps me know if I am explaining the answers well enough or not!! Thank you!<3

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3 years ago

36.Simplify: 5 – {3 – (x - 8) }

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Answer:

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Step-by-step explanation:

you have to do what is in the parenthesis first. Do distributive property to

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now you have 5-(3-x+8)

Do distributive property again

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4 years ago

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