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Marizza181 [45]
2 years ago
15

Pls answer it help me i will mark u as the brainliest

Mathematics
1 answer:
dexar [7]2 years ago
3 0

Answer: type it out and i could solve it for ya

Step-by-step explanation:all you need to do is write it out.

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A spherical hot air balloon has a diameter of 55 feet when the balloon is inflated the radius increases at a rate of 1.5 feet pe
Nuetrik [128]

Answer: 46.90mins

Step-by-step explanation:

The given data:

The diameter of the balloon = 55 feet

The rate of increase of the radius of the balloon when inflated = 1.5 feet/min.

Solution:

dr/dt = 1.5 feet per minute = 1.5 ft/min

V = 4/3·π·r³

The maximum volume of the balloon

= 4/3 × 3.14 × 55³

= 696556.67 ft³

When the volume 2/3 the maximum volume

= 2/3 × 696556.67 ft³

= 464371.11 ft³

The radius, r₂ at the point is

= 4/3·π·r₂³

= 464371.11 ft³

r₂³ = 464371.11 ft³ × 3/4

= 348278.33 ft³

348278.333333

r₂ = ∛(348278.33 ft³) ≈ 70.36 ft

The time for the radius to increase to the above length = Length/(Rate of increase of length of the radius)

The time for the radius to increase to the

above length

Time taken for the radius to increase the length.

= is 70.369 ft/(1.5 ft/min)

= 46.90 minutes

46.90mins is the time taken to inflate the balloon.

5 0
2 years ago
If f(x) = 3x – 2 and g(x) = 6 – 4x, find f(x) + g(x)
Marizza181 [45]
f(x)+g(x)=3x-2+6-4x=-x+4
7 0
3 years ago
a music company signed 12 new artists to its label in 2002. Out of the 12, 10 artists have hit songs. Write a ratio to compare t
ivanzaharov [21]

Answer:

10/12 12/12 i think , im not sure

Step-by-step explanation:

6 0
3 years ago
A cube has edge length 3 in. What is its volume in inches cubed?
Nadusha1986 [10]

Answer:

Volume = 33 = 27 inches^{3}

Can u gimme brain plz!

<h2 />
5 0
3 years ago
19 multiplicado por 473
Anna [14]
473 x 19 = 8987. Your welcome and i no speak espanol
6 0
3 years ago
Read 2 more answers
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