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3 years ago

9

Hyperloop, a new model of travel, aims to reach a speed of 170 m/s. This is less than the speed of sound. What is the speed of s

ound?
(PLSSS I NEED THE ANSWER TO THIS ASAP TY)
:)

1 answer:

Karolina [17]3 years ago

7 0

Answer:

The Speed of sound is 340 meters per second.

hope this helps!

If you wouldn't mind, would you be willing to give me brainliest?

Thank you and your welcome!

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4.82 <br> write as a fraction or mixed number in simplest form

Dima020 [189]

I'm pretty sure 4.82 as a simplified fraction is 241/50.

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2 years ago

Renee hiked for 3 3/4 miles. After resting, Renee hiked back along the same route for 2 1/4 miles. How many more miles does Rene

Shtirlitz [24]

Answer:

1 1/2 miles

Step-by-step explanation:

3 3/4 - 2 1/4..

3/4 - 1/4 = 2/4=1/2

3-2= 1

1+1/2=1 1/2 miles

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3 years ago

Use the guess and check method <br> 4(x+2)+2=14

Pani-rosa [81]

Answer:

1

Step-by-step explanation:

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2 years ago

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iren [92.7K]

Answer:

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2 years ago

In exercises 8-10, write a system of linear equations that has the ordered pair as its solution. (-6, -2)

Anika [276]

Answer:

(8) $x + y = -8$ and $2x - y = -10$

(9) $3x - y = -54$ and $4x + y = -30$

(10) $x + y = 2$ and $x - y = 2$

Step-by-step explanation:

Given [Missing from the question]

$(8).\ (-6,-2)\ \\ (9).\ (-12,18)\ \\ (10).\ (2,0)$

Required

Write a system of linear equations

The solutions to this question is open and have different solutions

Solving (8) (-6,-2)

Let the equations be: x + y and 2x - y

$x + y = -6 - 2$

$x + y = -8$ --- (1)

$2x - y = 2 * (-6) - (-2)$

$2x - y = -10$ -- (2)

So, the equations are:

$x + y = -8$ and $2x - y = -10$

Solving (9) (-12, 18)

Let the equations be: 3x - y and 4x + y

$3x - y = 3 *(-12) - 18$

$3x - y = -54$

$4x + y = 4 * (-12) + 18$

$4x + y = -30$

So, the equations are:

$3x - y = -54$ and $4x + y = -30$

Solving (9): (2,0)

Let the equations be: x + y and x - y

$x + y = 2 + 0$

$x + y = 2$

$x - y = 2 - 0$

$x - y = 2$

So, the equations are:

$x + y = 2$ and $x - y = 2$

5 0

2 years ago