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Troyanec [42]
3 years ago
12

Hyperloop, a new mode of travel, aims to reach a speed of 170170 \dfrac{\text{m}}{\text{s}} s m ​ . This is 50\%50% less than th

e speed of sound. What is the speed of sound?
Mathematics
1 answer:
liraira [26]3 years ago
7 0

Answer:

Speed of sound is 340 meter per second.

Step-by-step explanation:

Let the speed of sound = x meter per second.

It is given that,

The new mode of travel has the speed 170 meter per second, which is 50% less than the speed of sound.

So, we get,

x - 50%x = 170

i.e. x - 0.5x = 170

i.e. 0.5x = 170

i.e. x = 340 meter per second

Hence, the speed of sound is 340 meter per second.

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The sum of two consecutive even numbers is 98. Find the two numbers.
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Answer:

48 and 50

Step-by-step explanation:

Divide 98 by 2,when you get your answer which is 49,you look for the even numbers before 98 and after 98 which is 48 and 50.When you add the two,you should get 98.

3 0
3 years ago
Solve for x t=1/2(1/x-1/y)
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8 0
2 years ago
What is the result when the number 86 is decreased by 9%?
Vikki [24]
78.26

Hope this helps!!!
6 0
3 years ago
Pat is making 5 stools with circular seats that are each 12 inches in diameter. She wants to paint the tops of all the stools br
vivado [14]
Start by finding the area of one of the stools with this formula:
A=(3.14)(12)(12)
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6 0
2 years ago
A cone with diameter 20 cm and a height of 20 cm. Find the volume of the cone rounded to the nearest tenth.
zhuklara [117]

Answer:

2094.4 cm³

Step-by-step explanation:

The volume of a cone =πr²h/3

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Height = 20cm

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Therefore , the volume of a cone = 2094.4 cm³

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