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2 years ago

11

Pls help i will give brainliest!

1 answer:

goldfiish [28.3K]2 years ago

8 0

Answer:

$c ^{2 \div 3}$

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Suppose f⃗ (x,y,z)=⟨x,y,4z⟩f→(x,y,z)=⟨x,y,4z⟩. let w be the solid bounded by the paraboloid z=x2+y 2 z=x2+y2 and the plane z=9.z

Aleonysh [2.5K]

$\mathbf F(x,y,z)=\langle x,y,4z\rangle$

By the divergence theorem, the surface integral taken over $S$ ,

$\displaystyle\iint_S\mathbf F\,\mathrm dS$

is equivalent to the triple integral of the divergence of $\mathbf F$ over $W$ , the space bounded $S$ ,

$\displaystyle\iiint_W(\nabla\cdot\mathbf F)\,\mathrm dV$

We have

$\nabla\cdot\mathbf F=\dfrac{\partial x}{\partial x}+\dfrac{\partial y}{\partial y}+\dfrac{\partial(4z)}{\partial z}=1+1+4=6$

The latter integral is then given by

$\displaystyle6\iiint_W\mathrm dV=6\int_{|x|\le3}\int_{|y|\le3}\int_{x^2+y^2\le z\le9}\mathrm dz\,\mathrm dy\,\mathrm dx=648$

5 0

2 years ago

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.

babymother [125]

Answer:

Answer:

Total number of cards = 32(4) or y=32(4)

Roberto had 128 cards.

Step-by-step explanation:

Consider the provided information.

Part (A)

He gave his four friends 32 baseball cards each.

Let the number of cards he have before giving them to his friends is y.

This can be written as:

y = 32(4)

Part (B)

Now solve the above equation as shown.

y = 32(4)

Multiply 32 with 4

y = 128

Hence, Roberto had 128 cards.

4 0

3 years ago

A card is drawn at random from a standard 52-card deck find the probability that the card is not a 4

Kazeer [188]

Answer:

D

Step-by-step explanation:

We know that four (4) queen cards are present in the deck of 52 cards. So, the probability of drawing one queen card is calculated as,

P = 1/13

The probability of not a queen is calculated as,

P' = 1 - P = 1 - 1/13 = 12/13

3 0

2 years ago

If someone could help that’d be great

defon

Answer:

18 inches

Step-by-step explanation:

$a=\pi r^2$

This is the formula for finding the area of a circle. We already know the area, so we'll move the terms in the equation to better fit our purposes.

$r=\sqrt(\frac{a}{\pi} )$

Now let's substitute.

$r=\sqrt(\frac{324\pi}{\pi} )$

We'll cancel out unnessicary terms:

$r=\sqrt(324)$

This gives us the following:

$r = 18$

In other words, the radius of the circle is 18 inches (NOT square) :D hope this helps :D

8 0

1 year ago

Sheldon spins the two spinners below one time what are the chance he will spin 3 or c ?

Nostrana [21]

Answer:

$P(3\ or\ c) = 0.45$

Step-by-step explanation:

Given

See attachment for spinner

Required

$P(3\ or\ c)$

From the first spinner, we have:

$S = \{1,2,3,4,5\}$ --- Sample Space

$n(S)=5$

So, P(3) is:

$P(3) = \frac{n(3)}{n(S)}$

$P(3) = \frac{1}{5}$

$P(3) = 0.20$

From the second spinner, we have:

$S = \{a,b,c,d\}$

$n(S) = 4$

So, P(c) is:

$P(c) = \frac{n(c)}{n(S)}$

$P(c) = \frac{1}{4}$

$P(c) = 0.25$

The required probability is then calculated as:

$P(3\ or\ c) = P(3) + P(c)$

$P(3\ or\ c) = 0.20 + 0.25$

$P(3\ or\ c) = 0.45$

8 0

2 years ago