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
GalinKa [24]
3 years ago
14

The ratio of the radii of two spheres is 3:1. The volume of the larger sphere is 729 in3. What is the volume of the smaller sphe

re?
Mathematics
2 answers:
Yanka [14]3 years ago
8 0
27 in3 because you have to divide it

katovenus [111]3 years ago
4 0
Volume of sphere = 4/3 * π * r^3.

The constants don't matter because we're doing it by ratio, what matters is that volume is proportional to r^3. The radius is 3x larger, so the volume will be 3^3 = 27 times larger.

Therefore the volume of the smaller sphere is 729 / 27 = 27 in^3.
You might be interested in
Marla did 65 sit ups each day for one week use the distributive property to show an expression you can use to find the total num
nignag [31]
Ok so without the distributive property we would do 65*7. All u have to do is spread it out like this:-


65+65+65+65+65+65+65=455

hope i helped u:D
8 0
2 years ago
Read 2 more answers
hector buys a used car with an odometer reading of 42,450 miles. after the first month, the mileage sbows an increase of 5%. Aft
Usimov [2.4K]
5% Of 42,450 (.05*42,450=2,122.5)
2,122.5+42,450=44,572.5
4% of 44,572.5 (.04*44,572.5=1,782.9)
1,782.9+44,572.5=46,355.4

The answer is 46,355.4 miles
8 0
3 years ago
Read 2 more answers
Need help asap!! Tysmm
Levart [38]

Answer:

1) 9x-4

Step-by-step explanation:

7x+2x= 9x

-8+4= -4

9x-4

8 0
3 years ago
Read 2 more answers
Carol drove 720 km in 9 hours. What was her rate in km/hr?<br> Please help
Nastasia [14]

Answer:

80 km/hr

Step-by-step explanation:

This is asking for speed.

Speed=Distance/Time

Speed=720/9

Speed=80 km/hr

4 0
3 years ago
A principal at a large high school wants to estimate the number of days freshmen regularly ride the bus to school.
nikitadnepr [17]

Answer:

b. using a sample of size 40

Step-by-step explanation:

edg 2020

5 0
3 years ago
Read 2 more answers
Other questions:
  • Which is f(-3) for quadratic function graphed
    14·2 answers
  • Timothy's box holds 5 kilograms of magazines and 27 kilograms of books.What is the total mass of the magazines and books
    6·2 answers
  • in August Emily's clothing store sold 460 shirts with the ratio of short sleeve to long sleeve being 3:7 how many short sleeve s
    10·1 answer
  • Given (x – 7)2 = 36, select the values of x.<br> х = 13<br> х = 1<br> x = -29<br> х = 42<br> ОО
    8·2 answers
  • What is 6.16×10^6 in standard form?
    7·2 answers
  • Divide the polynomial 3x^4-2x^3+5x^2-3 by (x+1).​<br>please give fast.
    15·1 answer
  • What shod be in the box 3/10 × (box)=1​
    11·1 answer
  • Write the equation of the line that passes through the points (2, 3) and (3, -7). Put
    9·1 answer
  • If each quadrilateral below is a square, find the missing measures<br><br>solve for X​
    8·1 answer
  • Calculate the area of triangle OPQ.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!