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mart [117]
2 years ago
9

What is the rate of change of the volume of the cylinder at that instance (in cubic kilometers per second)?

Mathematics
1 answer:
Kay [80]2 years ago
3 0

Answer:

hello your question is incomplete attached below is the complete question

answer : -2400 π

Step-by-step explanation:

dr/dt = -12 km/s

h = 2.5 km

r = 40 km at some instant

hence the rate of change of Volume of cylinder at that instance

= dv / dt = d(\pi r^h ) / dt  

              = \pi h\frac{d(r^2)}{dt}  = -\pi h *2r *dr/dt

hence ; dv / dt = -2400 π

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SOMOEN DELETED ALL MY ASNWERS NOW I ONLY HAVE 13 POINTS WHY WHY WHYYYYYYYYY
Vedmedyk [2.9K]

Answer:

Maybe its because you give useless answers to get points.

Idiot.

7 0
2 years ago
Find the values for c and d
baherus [9]

Answer:

c=-5

d=1

Step-by-step explanation:

(cy^2)(4y^d)=-20y^3

I'm going to reorder the left-hand side.  Multiplication is commutative.

(4c)(y^2y^d)=-20y^3

Since the bases are the same in y^2y^d and the operation is multiplication, I'm going to add the exponents giving me:

4cy^{2+d}=-20y^3

So this implies we have two equations to solve:

4c=-20 and 2+d=3

So the first equation can be solved by dividing both sides by 4 giving you c=-5.

The second equation can be solved by subtracting 2 on both sides giving you d=1.

6 0
3 years ago
If f(x) = 5x − 1 and g(x) = 2x2 + 1, what is the value of (f × g)(-3)?
Softa [21]

f(x) = 5x − 1 and g(x) = 2x^2 + 1

(f × g)(x) =  (5x − 1)(2x^2 + 1)

(f × g)(x) = 10x^3 - 2x^2 + 5x - 1

Substitute x = - 3

(f × g)(-3) = 10(-3)^3 - 2(-3)^2 + 5(-3) - 1

(f × g)(-3) = 10(-27) - 2(9) -15 - 1

(f × g)(-3) =-270 - 18 - 16

(f × g)(-3) = -236

Answer

- 236

6 0
3 years ago
Subtracting integers -4 - (-5)
malfutka [58]

Answer:

the answer is 1

Step-by-step explanation:

the answer is 1

7 0
3 years ago
A 5 pound bag of clay cost $2.65. At this rate how much would a 2 pound bag cost?
Nutka1998 [239]
2.65/5=.53(price per pound)
.53*2lbs=1.06
a 2 lb bag will cost $1.06
3 0
3 years ago
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