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Sophie [7]
3 years ago
15

The speed of light is approximately 3x10^8 meters per second. The speed of sound is approximately 3x10^2 meters per second. If y

ou were standing 900 meters away from a firework show, how long would it take for you to see the fireworks? How about to hear them?
Mathematics
1 answer:
timurjin [86]3 years ago
5 0
To see: 3 micro seconds (0.000003 seconds)
To hear: 3 seconds
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I'm not sure what's the answer
kow [346]

Answer:

m=17/40  \frac{17}{40}

Step-by-step explanation:

So you 5/7m - 1/7 = 9/56 \frac{5}{7}m - \frac{1}{7} = \frac{9}{56}

You Simplify both sides Then

well I Don´t know I hope this helped u, I tried ^^¨

8 0
3 years ago
What is the solution to log (9x)-log 3 = 3?
xeze [42]

Answer:

The solution x = \frac{e^{3} }{3}

Step-by-step explanation:

<u>Step 1</u>:-

Given log(9 x) -log 3 =3

we have to use formula  log a-log b=log\frac{a}{b}

log(9 x)- log 3 = log(\frac{9 x}{3} ) =3

Again by using formula log a =b

                                       a = e^{b}

so \frac{9 x}{3} =e^{3}

<u>step 2:</u>-

   3 x = e^{3}

  x = \frac{e^{3} }{3}

The solution of given problem is x=\frac{e^3}{3}

5 0
3 years ago
Which of the following are measurements for triangles that are similar to a triangle with sides measuring 6, 8, and 12? Check al
Thepotemich [5.8K]

Answer:

A, B, D

Step-by-step explanation:

Use the LCM to help...

6 0
3 years ago
I need help I don’t get this
AlexFokin [52]

Answer:

-3

Step-by-step explanation:

-2(2x+5)-x=5(x+1) +15

distribute

-4x-10-x=5x+5+15

add common terms

-5x-10=5x+20

move common terms to the same sides

-30=10x

divide

x=-3

3 0
3 years ago
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Been struggling with this question can someone help?
Genrish500 [490]

Answer:

a and b

Step-by-step explanation:

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4 0
2 years ago
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