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vichka [17]
3 years ago
6

What is the value of y?

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
8 0

Answer:

c

Step-by-step explanat

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Use spherical coordinates to find the limit. [Hint: Let x = rho sin(ϕ) cos(θ), y = rho sin(ϕ) sin(θ), and z = rho cos(ϕ), and no
shutvik [7]

Answer:

lim (x, y, z) → (0, 0, 0) [x*y*z]/(x^2+y^2+z^2)=0

Step-by-step explanation:

First, we need to put the spherical coordinates equations that we will use in our problem  

x = p*sin∅cos Ф

y = p*sin∅sinФ

z=p*cos∅

Then we will state the problem  

lim (x, y, z) → (0, 0, 0)  [x*y*z]/(x^2+y^2+z^2)

Using the spherical coordinates we get  

(x^2+y^2+z^2) = p^2  

Which will make our limit be  

lim p→0+ [p*sin∅cos Ф*p*sin∅sinФ *p*cos∅]/(x^2+y^2+z^2)

after solving limit:

lim (x, y, z) → (0, 0, 0) [x*y*z]/(x^2+y^2+z^2)=0

4 0
3 years ago
A magazine has 5,580,000 subscribers this year. This number is down 7% from last year. How many subscribers were there last year
cestrela7 [59]
I got the answer C. This was by multiplying .07 (the decrease) by 5,580,000. Which I then got the number 390,600, which I added to 5,580,000.
6 0
3 years ago
an orphanage bought 119 1/4 m of cloth to stitch dresses for kids. The dress for one kid requires 2 1/4m of cloth. How many dres
Firlakuza [10]

Answer:53 dresses

Step-by-step explanation:

First of all..if one kid required 2 1/4m of cloth,what about 119 1/4m of cloth?

So u take 119 1/4m of cloth and divide it by 2 1/4m of cloth.

Then change the mixed numbers into improper fractions.

So the question will be 477/4 m divided by 9/4 m.

The second improper fraction (9/4)m will be reciprocated to be (4/9)m.

Afterwards,take 477/4 m and multiply it by 4/9 m.

The result will be 53 dresses.

4 0
2 years ago
Please help me with this please and thank you please actually help me please and thank you
Anton [14]

Answer:

B exactly one

Step-by-step explanation:

y=3x-12 = 3

y= x - (12-2x)

3 0
2 years ago
Liam has 4 books. The number of pages in the first book is 420, and the second book has 70 pages more than the third book. The t
Svetach [21]

Answer:

Liam has 4 books. First book is 420 pages, The second book has 70 more pages than the third book while the third and fourth is 150 pages each.

150 + 70 = the second book has 220 pages

420 + 150 + 150 + 220 = 940 pages

And if its asking for the "mean" then take 940 / 4 and you will get 235

7 0
2 years ago
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