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3 years ago

HELP please.

Mathematics

1 answer:

Delvig [45]3 years ago

3 0

Answer:

Q1: $\frac{3}{4}$

Q2: $\frac{83}{100}$

Step-by-step explanation:

Q1: 12 : 16 = 3 : 4 = $\frac{3}{4}$

Q2: 8.3 : 10 = $\frac{83}{100}$

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HELP ME PLEASE!!!!!

katen-ka-za [31]

Answer: d≤69

Step-by-step explanation:

You would plug in all the values for d into the inequality

40(81) + 240 ≤ 3000

40(81) + 240 = 3000

3240+240=3000

3480=3000 false

40(75) + 240 ≤ 3000

40(75) + 240 = 3000

3000+240=3000

3240=3000 false

40(69) + 240 ≤ 3000

40(69) + 240 = 3000

2760+240=3000

3000=3000 true

You don't need to try the last one because you already found this one!

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2 years ago

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juin [17]

Answer:

it is c none of the above

Step-by-step explanation:

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3 years ago

Write -2i + (9 - 3i) - (6 - 10i) as a complex number in standard form.

Wittaler [7]

The answer is b for your question

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2 years ago

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dedylja [7]

Answer:

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Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

Use the divergence theorem to calculate the surface integral ??s f · ds; that is, calculate the flux of f across s. f(x,y,z = ex

Kamila [148]

$\mathbf f(x,y,z)=e^x\sin y\,\mathbf i+e^x\cos y\,\mathbf j+yz^2\,\mathbf k$

By the divergence theorem, the surface integral can be evaluated by computing the triple integral

$\displaystyle\iint_Sf(x,y,z)\,\mathrm dS=\iiint_V\nabla\cdot\mathbf f(x,y,z)\,\mathrm dV$
$=\displaystyle\iiint_V\left(\dfrac{\mathrm d\mathbf f}{\mathrm dx}+\dfrac{\mathrm d\mathbf f}{\mathrm dy}+\dfrac{\mathrm d\mathbf f}{\mathrm dz}\right)\,\mathrm dV$
$=\displaystyle\int_{x=0}^{x=4}\int_{y=0}^{y=3}\int_{z=0}^{z=4}2yz\,\mathrm dz\,\mathrm dy\,\mathrm dx$
$=72$

7 0

2 years ago