3 years ago

HELPPPP PLZZ QUICK I WILL GIVE BRSINLEST

2 answers:

7 0

A refraction cup is in the shape of a half circle. They are flat on the top and bottom with one flat edge.

If you were to put the two flat edges together it would make a 3 dimensional cylinder

jok3333 [9.3K]3 years ago

3 0

A refraction cup that is the shape of the semicircle will create a sphere if you put two of them together.

Hope this helps:)

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Consider the vector field.f(x, y, z) = xy2z2i + x2yz2j + x2y2zk(a) find the curl of the vector field.

Marysya12 [62]

First introduce the following notations:
$P=yx^2z^2\\Q=x^2yz^2\\R=x^2y^2z\\\text{Then compute the partial derivative like this:}\\R_y=2x^2yz\\Q_z=2x^2yz\\P_z=2yx^2z\\R_x=2xy^2z\\Q_x=2xyz^2\\P_y=x^2z^2\\\text{Then evaluate each of the following:}\\R_y-Q_z=2x^2yz-2x^2yz=0\\P_z-R_x=2yx^2z-2xy^2z=2xyx(x-y)\\Q_x-R_y=2xyz^2-x^2z^2=z^2x(2y-x)\\\text{Our answer will be then:}\\Curl(f)=(2xyx(x-y))j+(z^2x(2y-x))k$

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3 years ago

Starting with the number 3, build a sequence of 5 numbers.

just olya [345]

Answer:

3, 6, 9, 12, 15

adding 3 each time

3, 9, 27, 81, 243

multiplying by 3 each time

Step-by-step explanation:

8 0

3 years ago

gave each student a pair of standard dice. The students rolled the dice once and reported their results to the teacher. How many

Salsk061 [2.6K]

42 times is the answer

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3 years ago

How many 1/10s in 2 3/5

Umnica [9.8K]

It'd be clearer if you'd write: "How many tenths are there in 2 3/5?"

2 3/5 13/5

---------- = ---------- = 26

(1`/10) 1/10

There are 26 tenths in 2 3/5.

5 0

3 years ago

Do you guys know what 12x34 is need a little help

pickupchik [31]

12 times 34 is 408. Hope that helped.

4 0

4 years ago

Read 2 more answers