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Mariulka [41]
3 years ago
12

If sound travels 19.8km in 1minutes, how far does it travel in 1sec​

Mathematics
2 answers:
Elina [12.6K]3 years ago
7 0
Divide 19.8 by 60 and you should get an answer of 0.33
Kobotan [32]3 years ago
5 0

Answer:

\frac{1}{3} km/s or 0.3333333 km/s (you can round to whatever value you need to)

Step-by-step explanation:

We can write the rate at which sound travels as the fraction \frac{19.8}{1} km/min

As there are 60 seconds in a minute, we can replace the 1 min with 60 seconds in this fraction \frac{19.8}{60} km/s.

When reduces, this fraction gives us: \frac{1}{3} km/s or 0.3333333 km/s (you can round to whatever value you need to)

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Stefan and his friends used four tables for all the dishes the guests brought to the party. The tables were 2 8/10 meters long,
ddd [48]

Answer:

2.83,2.8,2.59,2.48

Step-by-step explanation:

Given:

Numbers are \frac{28}{10}\,m,\,2.48\,m,\,\frac{259}{100}\,m,\,2.83 \,m

To express: each length as a decimal number in order from greatest to least

Solution:

A number which consists of a whole number part and the fractional part separated by a decimal point is known as a decimal number.

\frac{28}{10}=2.8\\ 2.48=2.48\\\frac{259}{100}=2.59\\ 2.83=2.83

Numbers arranged in order from greatest to least: 2.83,2.8,2.59,2.48

4 0
4 years ago
Express as a trinomial (2x+8)(x-3)
Luden [163]

Answer:

\huge\boxed{(2x+8)(x-3)=2x^2+2x-24}

Step-by-step explanation:

\text{Use FOIL:}\ (a+b)(c+d)=ac+ad+bc+bd\\\\(2x+8)(x-3)=(2x)(x)+(2x)(-3)+(8)(x)+(8)(-3)\\\\=2x^2-6x+8x-24\qquad\text{combine like terms}\\\\=2x^2+(-6x+8x)-24\\\\=2x^2+2x-24

8 0
4 years ago
Read 2 more answers
Х 8 А 3 D 4<br><br>PLEASE HELP​
Arte-miy333 [17]

Answer:

X=4

Step-by-step explanation:

5 0
3 years ago
3. Sina finds the length of a side of a right triangle to be 13. Between which
hoa [83]

Answer:

12, 14

Step-by-step explanation:

7 0
4 years ago
What is the answer to this
Virty [35]

9514 1404 393

Answer:

  ΔXYZ ~ ΔBCA

Step-by-step explanation:

Matching angle designators, smallest to largest, we can write ...

  ΔXYZ ~ ΔBCA

7 0
3 years ago
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