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2 years ago

What is the diameter of a pond if the area is 4069. 44

Mathematics

1 answer:

Zielflug [23.3K]2 years ago

6 0

Answer:

Step-by-step explanation:

brainliest please if its right

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Gravel is being dumped from a conveyor belt at a rate of 15 ft3/min, and its coarseness is such that it forms a pile in the shap

gayaneshka [121]

Answer:

0.13 ft/min

Step-by-step explanation:

We are given that

$\frac{dV}{dt}=15ft^3/min$

We have to find the increasing rate of change of height of pile when the pile is 12 ft high.

Let d be the diameter of pile

Height of pile=h

d=h

Radius of pile,r= $\frac{d}{2}=\frac{h}{2}$

Volume of pile= $\frac{1}{3}\pi r^2 h=\frac{1}{12}\pi h^3$

$\frac{dV}{dt}=\frac{1}{4}\pi h^2\frac{dh}{dt}$

h=12 ft

Substitute the values

$15=\frac{1}{4}\pi(12)^2\frac{dh}{dt}$

$\frac{dh}{dt}=\frac{15\times 4}{\pi(12)^2}$

$\frac{dh}{dt}=0.13ft/min$

7 0

3 years ago

Need helpppppppppp please

aleksley [76]

Adding the two equations
3x + 6y + 3x - 6y = 36+0
6x = 36
x = 6
.
subtracting second equation from first
(3x + 6y ) - (3x-6y) =36 -0
12y = 36
y = 3
.
therefore
x = 6 and y = 3
(6,3)

8 0

2 years ago

Read 2 more answers

What is the sum of the geometric sequence -4, 24, -144, ... if there are 6 terms?

kondor19780726 [428]

Answer:

1556963

Step-by-step explanation:

vjrogjrogjogjrg

6 0

3 years ago

What quadrant is (25π/6) in

VLD [36.1K]

Answer:

Not Sure

Step-by-step explanation:

The slope is 0.

See graph below...

4 0

3 years ago

A composition of reflections across two intersecting lines is a _____

kogti [31]

A composition of reflections across two intersecting lines is a rotation.

I hope helped ^^

4 0

3 years ago