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MA_775_DIABLO [31]
3 years ago
7

A student simplified the expression 6^2/12^2 as 1/2 do you agree

Mathematics
1 answer:
maria [59]3 years ago
6 0

Answer:

No.

Step-by-step explanation:

6^2=36

12^2=144

36/144 simplified is 1/4

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The total cost to rent 3 chairs and 2 tables is $17 . The total cost to rent 8 chairs and 4 tables is $37 . What is the cost to
Contact [7]
Let's make some variables to represent the cost of the tables and chairs.

Let x be equal to the cost of one chair
Let y be equal to the cost of one table

The total cost for 3 chairs and 2 tables is $17.

3x + 2y = 17

The total cost for 8 chairs and 4 tables is $37.

8x + 4y = 37

Now we have our system of equations.
Let's solve it.

3x + 2y = 17
8x + 4y = 37

We can cancel the y's very easily. Then it would just leave us with the x's.
Multiply the top equation by -2.

3x(-2) + 2y(-2) = 17(-2) = 
-6x - 4y =  -34

Then add the equations together.

-6x - 4y = -34
8x + 4y = 37
        =
2x = 3

Then just divide both sides by 2.

x = 1.5

Substitute 1.5 into one of the equation. I'll pick 3x + 2y = 17

3(1.5) + 2y = 17 ; Start
4.5 + 2y = 17      ; Multiply 3 and 1.5 together
2y = 12.5             ; Subtract 4.5 from each side of the equation
y = 6.25                ; Divide both sides by the coefficient of y. Which 2

So, a chair costs $1.50 and a table costs $6.25. 
5 0
3 years ago
Read 2 more answers
PLS WAMSER ILL GIVE YOU BRAINLIEST
kotykmax [81]
He will need about 100 in^2
6 0
3 years ago
Hey! i’ll give brainliest pls help.
babunello [35]
I believe the answer is A. because the theory of continental drift and sea-floor spreading causes new rock to form and creates the old rock .. older
6 0
3 years ago
Read 2 more answers
De un total de 24 niñas 1/4 practican natación, 1/2 juega volibol y el resto no practica ningún deporte. ¿Cuántas niñas no pract
masya89 [10]

Answer:

6 niñas no practican ningún deporte.

Step-by-step explanation:

De un total de 24 niñas, \frac{1}{4} practican natación. Esto se expresa mediante la operación matemática:

\frac{1}{4} *24

Para multiplicar una fracción por un número entero, cualquier entero n puede ser escrito como la fracción \frac{n}{1}. Entonces en este caso:

\frac{1}{4} *24=\frac{1}{4} *\frac{24}{1}

Ahora se multiplican los denominadores para obtener el denominador final y se multiplican los numeradores para obtener el numerador final:

\frac{1}{4} *24=\frac{1}{4} *\frac{24}{1}=\frac{1*24}{4*1}=\frac{24}{4}

Finalmente, se reduce el resultado hasta llegar a la forma más simple. Para obtener un resultado simplificado, se divide el numerador por el denominador.  En este caso, para reducir la fracción \frac{24}{4}, se divide 24 por 4. El resultado obtenido es 6. Esto indica que de un total de 24 niñas, 6 practican natación.

Por otro lado, de un total de 24 niños, \frac{1}{2} juegan voleibol. Esto se expresa mediante la operación matemática:

\frac{1}{2} *24

Resolviendo de manera similar a lo previamente calculado, se obtiene:

\frac{1}{2} *24= 12

Esto indica que de un total de 24 niñas, 12 practican voleibol.

Por lo que 6 niñas practican natación y 12 voleibol, siento un total de 18 niñas las que practican algún deporte. Por lo que la cantidad de niñas que no practican ningún deporte se calcula mediante:

24 niñas - 18 niñas que practican algún deporte= 6 niñas

<u><em>6 niñas no practican ningún deporte.</em></u>

6 0
3 years ago
Please help me out!!! :)
netineya [11]

Answer: 20%

<u>Step-by-step explanation:</u>

  \frac{3-person(frequency)}{Total (frequency)}

= \frac{200}{1000}

= \frac{200}{1000} ÷ \frac{10}{10}

= \frac{20}{100}

= 20%


7 0
4 years ago
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