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3 years ago

What is the minimum volume of hot air needed to lift a hot air balloon carrying 800kg

Mathematics

1 answer:

nevsk [136]3 years ago

3 0

Answer:

The minimum volume of hot air needed to lift a hot air balloon carrying 800kg

Is 653.1m³

Step-by-step explanation:

This problem bothers on the density of materials in this problem air

Given data

Volume of air V=?

Mass of air m= 800kg

From tables the density of air is

ρ =1.225 kg/m3

Now to solve for the volume we have

ρ=m/v

v=m/ρ

v=800/1.225

Volume v = 653.1m³

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Please math , help

Furkat [3]

Answer:

As both the mean and standard deviation are in the desired ranges, the tool passes the technical control.

Step-by-step explanation:

Mean of the batch:

The mean of the batch is the sum of all values divided by the number of items. So

$M = \frac{199+204+201+197+195+204+200}{7} = 200$

Mean in the desired interval.

Standard deviation:

Square root of the sum of the difference squared between each term and the mean, divided by the number of items. So

$S = \sqrt{\frac{(199-200)^2+(204-200)^2+(201-200)^2+(197-200)^2+(195-200)^2+(204-200)^2+(200-200)^2}{7}} = 1.18$

As both the mean and standard deviation are in the desired ranges, the tool passes the technical control.

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3 years ago

What is 60,000+3,000+20+9 in standard form?

kenny6666 [7]

60,000 + 3,000 + 20 + 9

= 63,000 + 29

= 63,029.

Answer: 63,029

Hope this helps have A wonderful Christmas

Step-by-step explanation:

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2 years ago

6=2(y+2) i need help

Snowcat [4.5K]

Answer:

y=1

Step-by-step explanation:

6=2(y+2)

6=2y+4

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2 years ago

Read 2 more answers

How many 100 make 3200?

Gelneren [198K]

32!

32 100s can go into the number 3200! Hope this helped!

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3 years ago

What is the solution to |x − 4| ≥ 7?

Snowcat [4.5K]

9514 1404 393

Answer:

(x ≤ -3) ∪ (11 ≤ x)

Step-by-step explanation:

The given equation resolves to two equations:

x -4 ≥ 7 ⇒ x ≥ 11

x -4 ≤ -7 ⇒ x ≤ -3

The solution is (x ≤ -3) ∪ (11 ≤ x).

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3 years ago