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iren [92.7K]
3 years ago
9

" class="latex-formula">
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Mathematics
2 answers:
Kobotan [32]3 years ago
5 0

The Answer: √21 = 4.582576

GalinKa [24]3 years ago
3 0
Put it in the calculator and you should get the answer of 4.582575695
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Carmen likes to ride her skateboard down the hill to the bus stop. It
Charra [1.4K]
I’m pretty sure it’s about 296 feet
8 0
3 years ago
Cosmo’s family has a pool like this.
Verdich [7]

a. The volume of the pool is 27.483 m³

b.  The number of litres of water the pool will hold is 27483 L

c. The pool will fill at a rate of 50 L/min in 549.7 min

The pool is a cylinder, so, we need to find its volume

<h3>a. What is volume of the pool?</h3>

Since the pool is a cylinder, its volume is, V = πd²h/4 where

  • d = width of pool = 5.4 m and
  • h = height of pool = 120 cm = 1.20 m

So, V = πd²h/4

= π(5.4 m)² × 1.20 m/4

= π × 29.16 m² × 1.20 m/4

= 34.992π m³/4

= 8.748π m³

= 27.483 m³

So, the volume of the pool is 27.483 m³

<h3>b. How many litres of water will the pool hold?</h3>

Since the volume of the pool, V = 27.483 m³ and 1000 Litres = 1 m³

So, the volume of the pool in litres is V = 27.483 m³

= 27.483 × 1 m³

= 27.483 × 1 000 L

= 27483 L

So, the number of litres of water the pool will hold is 27483 L

<h3>c. How long will it take to fill the pool at a rate of 50 L/min?</h3>

Since the volume of the pool is V = 27483 L, the time it will take the pool to fill at a rate of 50 L/min is given by t = Volume/rate

= 27483 L/50 L/min

= 549.66 min

≅ 549.7 min

So, how long will it take to fill the pool at a rate of 50 L/min is 549.7 min

Learn more about volume of pool here:

brainly.com/question/11893973

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7 0
2 years ago
The life of light bulbs is distributed normally. The standard deviation of the lifetime is 20 hours and the mean lifetime of a b
FinnZ [79.3K]

Answer:

The probability of a bulb lasting for between 480 and 526 hours=0.74454

Step-by-step explanation:

We are given that

Standard deviation of the lifetime,\sigma=20hours

Mean, \mu=500hours

We have to find the probability of a bulb lasting for between 480 and 526 hours.

P(480

P(480

P(480

P(480

P(480

Hence, the probability of a bulb lasting for between 480 and 526 hours=0.74454

5 0
3 years ago
ABCD is a rectangle. What is the value of x?
kvv77 [185]
The answer is 33 meters
use the Pythagorean theorem 
56^2+x^2=65^2
3136+x^2=4225
x^2=1089
x=33
6 0
3 years ago
Read 2 more answers
XY bisects AB a point G. Which of the following is true about G?
tekilochka [14]
I'm thinking C because if it bisects it, it divides it which means it's it midpoint.
5 0
3 years ago
Read 2 more answers
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