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Crank
3 years ago
5

Alma en peso ajugar ala ora que marca el reloj qué eran las 3 :45pm y terminó alas 5pm cuánto tiempo Jugo alma Alma empezó a jug

ar a la hora que marca el reloj que eran las 3:45 pm y termino a las 5 pm cuánto tiempo jugó alma
Mathematics
1 answer:
anzhelika [568]3 years ago
4 0

Answer:

01:55:55

Step-by-step explanation:

1 horas 55 minutos 55 segundos

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45+ 46+47+ 48+ ... 113 + 114Gauss approach
Doss [256]

Answer:

5565

Step-by-step explanation:

1+2+3+4...+113+114=\frac{114*115}{2} =6555

1+2+3+4 ... +43+44=\frac{44*45}{2} =990

Thus, 45+46+47+48...+113+114= 6555-990=5565

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3 years ago
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John is going on a trip and the country he is traveling to uses the Celsius scale. He is curious about converting Celsius temper
Setler79 [48]

Answer:

f(x)=\dfrac{9}{5}x+32 converts Celsius to Fahrenheit.

g(x)=\dfrac{5(x-32)}{9} converts Fahrenheit to Celsius.

Step-by-step explanation:

Write given data in the table

\begin{array}{cc}x&f(x)\\^{\circ}\text{C}&^{\circ}\text{F}\\20&68\\30&86\end{array}

Let the expression for the function be

f(x)=ax+b

Note, that this equation is linear equation and it is well-known fact that the Celsius to Fahrenheit dependence is linear.

Substitute corresponding values into this expression:

68=20a+b\\ \\86=30a+b

Subtract these two equations:

86-68=30a-20a\\ \\10a=18\\ \\a=\dfrac{9}{5}

Substitute it into the first equation:

68=20\cdot \dfrac{9}{5}+b\Rightarrow b=68-36=32

So,

f(x)=\dfrac{9}{5}x+32

This is the function which converts Celsius to Fahrenheit.

And function

g(x)=\dfrac{5(x-32)}{9} converts Fahrenheit to Celsius.

4 0
3 years ago
Read 2 more answers
According to astronomers what is a light year
Sindrei [870]
A unit of astronomical distance equivalent to the distance that light travels in one year, which is 9.4607 times 1012<span> km nearly 6 trillion miles.</span>
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3 years ago
School A has 12 footballs for football practice. School B has 36 footballs for football practice. What is the ratio
lord [1]

Answer:

1:3

Step-by-step explanation:

12/36=1/3

4 0
3 years ago
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