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
SashulF [63]
3 years ago
10

Group of engineers is building a parabolic satellite dish whose shape will be formed by rotating the curve y = ax2 about the y-a

xis. if the dish is to have a 10-ft diameter and a maximum depth of 4 ft, find the value of a and the surface area s of the dish. (round the surface area to two decimal places.)
Mathematics
1 answer:
SIZIF [17.4K]3 years ago
6 0
10' diameter and maximum depth of 4', it means that the point (5,4) is on the profile of the dish.

Fitting in the given formula,

y=ax^2 => 4=a(5^2) => a=4/25
You might be interested in
Identify the value of x and the length of each secant segment.
uranmaximum [27]

Answer:

x=7; NL=12; NP+20

Step-by-step explanation:

8 0
3 years ago
A basketball hoop has a circumference of 56.5 cm.what is its diameter
Bingel [31]
It's diameter is 17.98. (I'm pretty sure I'm right I even used a calculator, if not sorry)
4 0
3 years ago
Read 2 more answers
Need help number 2 for a quiz !!!
Svetach [21]

Answer: radius: 6, center: (3,-4)

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
find the height of a cone with a diameter of 12m whose volume is 264m cubed. use 3.14 and round it to the nearest meter
Dima020 [189]

Answer:

775 42512

Step-by-step explanation:

4 0
3 years ago
Find the area between z=1.29 and z=1.70 M
Alja [10]

Answer:

its 3.9

Step-by-step explanation:

if you

7 0
3 years ago
Other questions:
  • You ride a bicycle at a speed of 18 miles per hour. I am 3 miles behind my friend. My friend rides a bicycle at a speed of 12 mi
    11·1 answer
  • A store received a shipment of 4 boxes of peanuts. All four boxes were stacked on top of each other and measured 12 feet high. H
    6·2 answers
  • Helena needs 3.5 cups of flour per loaf of bread and 2.5 cups of flour per batch of muffins. She also needs 0.75 cup of sugar pe
    13·1 answer
  • P = 4 + 2w - 5 for w​
    5·1 answer
  • What is the GCF (greatest common factor of 9 and 18?
    14·1 answer
  • How many minutes does it takes 6 people to paint 7 walls
    10·1 answer
  • The revised Daily Value for calcium is 1,300 mg per day. How many servings of this food would you have to eat to get 100% DV for
    10·1 answer
  • What is the fraction 3/2 squared in fraction form??
    13·2 answers
  • HELPPPPP PLZZZZ ASAPPPPP
    11·1 answer
  • Jada earns twice as much money per hour as Diego. Diego earns twice as much money per hour as Lin.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!