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Gwar [14]
3 years ago
14

a total of 17,100 seats are available for the next hockey game. If 62% of the tickets have been sold how many seats are in the a

rena
Mathematics
1 answer:
RideAnS [48]3 years ago
6 0
A(100-62)/100=17100  multiply both sides by 100

a(100-62)=1710000  combine like terms on left side

38a=1710000  divide both sides by 38

a=45000

So the arena has a total of 45000 seats.
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7. Suppose you had Nu 25,000 to
Nady [450]

Answer:

Amount earn = NU 7,500

Amount earn = NU 1,250

Step-by-step explanation:

Given:

Investment amount = NU 25,000

Dividend rate = 30%

Dividend rate = 5%

Find:

Amount earn.

Computation:

⇒ Amount earn (Dividend rate = 30%)

Amount earn = Investment amount × Dividend rate

Amount earn = NU 25,000 × 30%

Amount earn = NU 7,500

⇒ Amount earn (Dividend rate = 5%)

Amount earn = Investment amount × Dividend rate

Amount earn = NU 25,000 × 5%

Amount earn = NU 1,250

4 0
3 years ago
alex wong basketball after making a half court shot. the display box for his new basketball is in the shape of a cube. alex meas
suter [353]

408.454 cubic inches of air is surrounding the ball in the box

Step-by-step explanation:

When a sphere is inscribed in a cube and touching all of its faces, then

  • The diameter of the sphere = the side of the cube
  • The empty volume of the cube is the difference between the volume of the cube and the volume of the sphere

∵ The basketball is shaped a sphere

∵ The box is shaped a cube

∵ The ball touching every wall of the box

∴ The diameter of the ball = the side of the box

∵ The length of one side of the cube = 9.5 inches

∴ The diameter of the ball = 9.5 inches

∵ The diameter of the ball = 2 r, where r is the radius of the ball

∴ 9.5 = 2 r

- Divide both sides by 2

∴ r = 4.75 inches

∵ The volume of the air that surrounded the ball in the box =

   volume of the box - volume of the ball

∵ Volume box (cube) = s³

∵ s = 9.5 inches

∴ Volume of the box = (9.5)³

∴ Volume of the box = 857.375 inches³

∵ Volume the ball (sphere) =  \frac{4}{3} π r³

∵ r = 4.75

∴ Volume the ball = \frac{4}{3} (π)(4.75)³

∴ Volume the ball = 448.921 inches³

Substitute the values of the volumes of the box and the ball in the rule above

∴ The volume of the air = 857.375 - 448.921

∴ The volume of the air = 408.454 inches³

408.454 cubic inches of air is surrounding the ball in the box

Learn more:

You can learn more about volume of solids in brainly.com/question/12497249

#LearnwithBrainly

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