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Fittoniya [83]
3 years ago
12

In a mathematics Olympiad, a correct answer is

Mathematics
1 answer:
qwelly [4]3 years ago
5 0

Answer:

So Albert scored = 26 scores it's true and correct ! thank you:)

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Write 102,800,000 in scientific notation
Fudgin [204]

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1.028 × 10^8

Step-by-step explanation:

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Find the value of x so the function has the given value. <br> t(x)=2x-4;t(x)=1/2
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Step-by-step explanation:

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Chandler earns a base pay of $2,200 per month. He also earns a commission of 4% of his total sales . One month Chander earned $2
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8 0
3 years ago
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
3 years ago
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