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Elodia [21]
3 years ago
9

Simplify the expression. -(10)^-2

Mathematics
2 answers:
wariber [46]3 years ago
8 0

Answer:

-1/100

Step-by-step explanation:

10^(-2) becomes 1/100.

-(10)^(-2) is -1/100.

valentinak56 [21]3 years ago
6 0

Answer:

-1/100

Step-by-step explanation:

-(10)^-2

Exponents first

We need to make the negative in the exponent positive, which means move it to the denominator

-1

--------

10^2

-1

---------

100

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A large fast food chain runs a promotion where 1-in-4 boxes of French fries. Suppose that some location sells 100 of these boxes
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Answer:

0.25 * 100 = X

Step-by-step explanation:

If there is a winning ticket in 1 out of every 4 boxes of French Fries sold, then that means there is a 25% chance of getting a winning ticket ( 1 / 4 = 0.25 ) . Therefore we can calculate the total amounts of winning coupons per day with the following formula.

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Where S is the amount of boxes sold and X is the amount of winning coupons. If the location sells 100 boxes then...

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We can see that the amount of winning coupons in 100 boxes sold will be 25.

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3 years ago
De acuerdo con la siguiente función f(x)=-3x+8, ¿cuál es el punto de intersección de su grafica con el eje y?
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Answer:

El punto de intersección con el eje “y” será (0 ; 8).

Step-by-step explanation:

En este caso la función es f(x)= -3*x + 8, o lo que es lo mismo, y= -3*x + 8

Para encontrar la intersección en y, se debe sustituir a la variable x por 0 por en la función. Una vez hecha la sustitución, es posible resolver la ecuación para encontrar el valor de y.

En este caso:

y= -3*0 + 8

Resolviendo:

y= 0 + 8

y= 8

Otra forma de resolverlo es, siendo la función f(x)= m*x + b (donde m es la pendiente y b la ordenada al origen), el valor b es el punto donde una recta cruza el eje y. En este caso la ordenada al origen tiene un valor de 8.

Entonces <u><em>el punto de intersección con el eje “y” será (0 ; 8).</em></u>

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