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Darya [45]
4 years ago
7

There are 30 students in Mr. Baker’s music class. One day, 12 students played the recorder. What was the ratio of students who p

layed the recorder to students who did not play the recorder? Question 2 options: 12 : 30 30 : 12 12 : 18 18 : 12
Mathematics
1 answer:
IgorLugansk [536]4 years ago
5 0

Answer:

12:30

Step-by-step explanation:

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Add 3 feet 6 inches +8 feet 2 inches +4 inches +2feet 5 inches
enyata [817]
You will just get 18 feet 3inches or 18.3 feet
8 0
3 years ago
Read 2 more answers
If a cone and sphere have the same radius and the same height, what is the relationship among the volumes of the two shapes?
Korvikt [17]

Answer:

the volume of the sphere will be 4 times the volume of the cone;

Step-by-step explanation:

<u>The question is on volume comparison</u>

Volume of a sphere=4/3 \pi×r³

Volume of a cone= \pi/3×r²h

where r is the radius and h is the height

<u>Apply the condition</u>

If r=h=1 unit

Then volume of sphere will be= 4/3 × \pi×1³ = 4/3\pi

And volume of the cone will be= \pi/3 ×1²×1 =\pi/3

We can see the volume of the sphere will be 4 times the volume of the cone;

4/3\pi = 4×\pi/3

3 0
4 years ago
How long would it take to drive 15 miles at 35 miles per hour?
alekssr [168]
V = velocity
d = distance (or displacement)
t = time
(original equation)
v = d/t
(Given information)
v = 35m/h
d = 15m
(rearrange equation to get)
t = d/v
(substitute numbers in)
t = 15m/35m/h
t = 0.43hours

Therefore, it would take 0.43hours to drive 15 miles at 35 miles per hour

*Hope this helps*
7 0
3 years ago
The length of each side of a square
xxTIMURxx [149]

Answer:

square's side is 6

triangle's side is 8

Step-by-step explanation:

let the side of the equilateral triangle be x

then the side of the square is x-2

since the perimeters are equal

4(x-2)= 3x

solve for x

x = 8

and

  1. square's side length is 8-2 = 6
3 0
3 years ago
If a diameter of a circle with a circumference of 104.48 mm is reduced by 1/2,what is the circumference of the new circle?
klio [65]
All we need to do here is divide the circumference by 2.

104.48 / 2 = 52.24

The new circumference is 52.24 mm.
4 0
4 years ago
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