1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Talja [164]
3 years ago
11

he radius of a right circular cylinder is increasing at a rate of 7.5 inches per minute and the height is decreasing at a rate o

f 13.5 inches per minute. What is the rate of change of the surface area when the radius is 15.5 inches and the height is 33 inches
Mathematics
1 answer:
Pani-rosa [81]3 years ago
8 0

Answer:Rate of change of the surface area =876.85 square inches

Step-by-step explanation:

Surface area of a cylinder=2*pie*radius*height

Former radius and height are 8.0inches(15.5-7.5) and 46.5inches(33+13.5) respectively

New radius and height are 15.5inches and 33 inches respectively.(pie 22/7)

2*22*8*46.5=16368/7=2338.29

Also 2*22*15.5*33=22506/7=3215.14

Rate of change is 3215.14-2338.29=876.85inches

You might be interested in
a cell phone company charges a monthly fee plus a 0.35 for text messages sent they charge 25.00 monthly fee and your bill is 58.
riadik2000 [5.3K]
Hey,

So first we are told that they charg a fixed fee of 25:00 right?That means even if you didn’t send any text messages you still have to pay 25:00.

So first we have to subtract that 25:00 form 58.25 right?This means the rest of the bill is for text messages OK?
So he spent 33.25(this is the answer to the subtraction) on the text messages right?
And for every text he sent he was charged 0.35 right? So we have to divide 33.25 by 0.35 right?
And that gets us 95.

Now we can double check the answer by multiplieng 95 by 0.35 and adding 25.

So th answer is 95

Hope this helps !!
6 0
3 years ago
A bank offers a savings account that currently pays 2% interest per year compounded monthly. The amount of money in the account
LekaFEV [45]
The appropriate choice is ...
.. <span>A. The initial amount in the account does not change because it is a factor that is independent of both the interest rate and t.

_____
In general, each of the variables in a formula is independent of the others. (Occasionally, you'll see a formula where that is not true, but then the "variable" will likely be indicated as a function of those things it is dependent upon.)</span>
6 0
3 years ago
Is the answer 4? I’m not sure if it’s right
kkurt [141]

Answer:

yes im pretty sure correct me if im wrong. Good luck!!!!!

Step-by-step explanation:

4 0
3 years ago
Use the graph of the function y = 4' to answer the
dlinn [17]

Answer:

the domain of the function is negative infinity to positive infinity because an exponent can be any real number

Step-by-step explanation:

4 0
3 years ago
How many cubes are in rectangular prism
Svet_ta [14]

Answer:

Finding Volume of Prisms Using Unit Cubes

These cubes make up a rectangular prism. The cubes represent the volume of the prism. This prism is five cubes by two cubes by one cube. In other words, it is five cubes long, by two cubes high by one cube wide.

Step-by-step explanation:

hope this helps

5 0
3 years ago
Read 2 more answers
Other questions:
  • A sailboat travels a distance of 2 1/2 miles in 1/6 of an hour. Which complex fraction represents the unit rate in miles per hou
    15·1 answer
  • PLS HELP ASAP LIKE PLSSSSS
    11·2 answers
  • What is the measure of ∠P?
    15·2 answers
  • Monique uses a random number generator to simulate the results of a coin
    6·1 answer
  • Which rigid transformation(s) can map FGH onto VWX?
    14·2 answers
  • Find the value of X.
    12·1 answer
  • Respond if you need friends
    10·1 answer
  • The graph below represents the following system of inequalities.
    8·1 answer
  • Calculate the quotient and the reminder by dividing f(x)=3x^3 - 5x^2 + x - 2 by g(x) = x + 2 .​
    12·1 answer
  • Find the derivative of 76x + 1 at x = 1.
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!