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3 years ago

14

I wanna throw away some points

1 answer:

Vitek1552 [10]3 years ago

4 0

Answer:

I wanna get those points

Step-by-step explanation:

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3 divided by 4 equals(x-9) divides by 16

stiv31 [10]

Answer:

x = 21

Step-by-step explanation:

Multiply both sides by 16

3/4 x 16 = x - 9

2 Simplify 3/4 x 16 to 48/4

48/4 = x - 9

3 Simplify 48/4 to 12

12 = x - 9

4 Add 9 to both sides.

12 = x - 9

5 Simplify 12+9 to 21

21=x

6 Switch sides.

Answer: x=21

3 0

3 years ago

Here's more free points again! Hope this helps you!

Sveta_85 [38]

Answer:

hey!!

Step-by-step explanation:

5 0

3 years ago

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Find the volume of the largest circular cone that can<br> beinscribed in a shpere of radius 3.

Aleksandr [31]

Answer:

$V =\dfrac{32}{3}\pi$

Step-by-step explanation:

given,

radius of sphere = 3

volume of cone:

$V = \dfrac{1}{3}\pi r^2h$

r is the radius of circular base

h is the height of the cone

here r = x and h = 3 + y

now, volume in term of x and y

$V = \dfrac{1}{3}\pi x^2(3+y)$

Applying Pythagoras theorem

x² + y² = 3²

$x = \sqrt{9-y^2}$

$V = \dfrac{1}{3}\pi ( \sqrt{9-y^2})^2(3+y)$

$V = \dfrac{1}{3}\pi ( 9-y^2)(3+y)$

$V = \dfrac{1}{3}\pi (27 + 9 y - 3 y^2-y^3)$

differentiating both side

$\dfrac{dV}{dy} =\dfrac{1}{3}\pi ( 9-6y- 3y^2)$

for maxima $\dfrac{dV}{dy} = 0$

$\pi ( 3-2 y - y^2)=0$

y² + 2 y - 3 = 0

(y+3)(y-1)=0

y = 1,-3

y cannot be negative so, volume at y = 1

$V = \dfrac{1}{3}\pi (27 + 9 (1)- 3(1)^2-(1)^3)$

$V =\dfrac{32}{3}\pi$

Hence, the largest cone which can be inscribed in the spheres of the radius 3 has volume $V =\dfrac{32}{3}\pi$

5 0

3 years ago

Probability's first answer gets the brainiest.

Natalka [10]

Step-by-step explanation:

I think it's

-red

-1/24

-5/12

4 0

3 years ago

Identify the linear function with a slope of -2 and a y-intercept of 1?

SSSSS [86.1K]

it's d just put them together to equal y

3 0

3 years ago

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