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Fittoniya [83]
2 years ago
7

Im so confused… please help me

Mathematics
2 answers:
jenyasd209 [6]2 years ago
7 0

Answer:

1.715km

Step-by-step explanation:

If it travels 343m/s, and we know there are 1000m in a km therefore it travels 0.343km in one second.

0.343km x 5s= 1.715km in 5 seconds.

rusak2 [61]2 years ago
6 0

Answer:

To find the speed of sound you must use this equation: v= (331.5 +0.6 x T) m/s.

Step-by-step explanation:

You have to convert 68 F to Celsius which is 20 degrees. Then write down the equation and the knowns and unknowns.

So the equation is this

v= (331.5 + 0.6 x 20) m/s

The answer is: 0.3435 km/s times 5 = 1.7175 (5km)

Make sure to show all these steps. I believe it is correct.

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Is -28 greater than or less than -162
vivado [14]

Answer:

Any number which is on left side on the line number is less than the number which is on right hand side relative to that number.

As -28 is on the right hand side of the line number, and -162 is heading towards left hand side relative to -28.

Therefore, -28 is greater than -162.

Step-by-step explanation:

To determine:

Is -28 greater than or less than -162?

Solution Steps:

  • In mathematics, a number line is considered to be a straight line with numbers placed at equal intervals along its length.
  • A number line could be extended infinitely in any direction i..e -∞ to +∞.
  • A number is usually represented horizontally.

Any number which is on left side on the line number is less than the number which is on right hand side relative to that number.

As -28 is on the right hand side of the line number, and -162 is heading towards left hand side relative to -28.

Therefore, -28 is greater than -162.

In other words,

-28>-162\quad :\quad \begin{bmatrix}\mathrm{Solution:}\:&\:\mathrm{True\:for\:all}\:x\:\\ \:\mathrm{Interval\:Notation:}&\:\left(-\infty \:,\:\infty \:\right)\end{bmatrix}

Keywords: number line, less than, greater than

Learn more about number line from brainly.com/question/12153324

#learnwithBrainly

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Write an equation for a line perpendicular to y= -4x +2 and passing through the point (12,6)
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y=\frac{1}{4} x+3

Step-by-step explanation:

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Help it time and i have no answer left on branly​
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Answer:

i-

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Step-by-step explanation:

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