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Sloan [31]
3 years ago
7

EXREAMLY DETAILED FOR YOU PLEASE HELP HELP HELP

Mathematics
2 answers:
Ilia_Sergeevich [38]3 years ago
5 0

Answer: Size D is the best buy.

Step-by-step explanation:

Since we have given that

Size A The 7 1/5 -ounce can costs $3.49.

Unit rate would be

3.49\div 7\dfrac{1}{5}\\\\=3.49\div \dfrac{36}{5}\\\\=3.49\times \dfrac{5}{36}\\\\=\$0.48

Size B The 16 1/2 -ounce can costs $6.49.

Unit rate would be

6.49\div 16\dfrac{1}{2}\\\\=6.49\div \dfrac{33}{2}\\\\=6.49\times \dfrac{2}{33}\\\\=\$0.39

Size C The 24 3/4 -ounce can costs $8.49.

Unit rate would be

8.49\div 24\dfrac{3}{4}\\\\=8.49\div \dfrac{99}{4}\\\\=8.49\times \dfrac{4}{99}\\\\=\$0.34

Size D The 30 2/3 -ounce can costs $10.99

Unit rate would be

10.99\div 30\dfrac{2}{3}\\\\=10.99\div \dfrac{92}{3}\\\\=10.99\times \dfrac{3}{92}\\\\=\$0.33

since all the unit rates are less than 1 dollar.

so, Size    Unit rate

    A                 0

    B                 0

    C                 0

    D                 0

Hence, Size D is the best buy.

saw5 [17]3 years ago
4 0

Answer:

The answer is A.

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kakasveta [241]

Answer: The vertical stretch of 5 in the equation y = x is defined by y=5x.

Explanation:

The given equation is,

y=x

It can be written as,

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If S\geq 1, then  the function has a vertical stretch by a factor of S units.

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VashaNatasha [74]

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3 years ago
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svetoff [14.1K]

Answer:

Los números decimales son una combinación de números enteros y números que se encuentran entre los números enteros. A veces es importante poder comparar decimales para saber cuál es mayor. Por ejemplo, si alguien corrió los 100 metros planos en 10.57 segundos, y alguien más los corrió en 10.67 segundos, puedes comparar los decimales para determinar qué tiempo es más rápido. Saber cómo comparar decimales requiere el entendimiento del valor de posición decimal, y es similar a comprar números enteros.

 

Cuando trabajamos con decimales, hay veces que no se necesita un número preciso. En tal caso, es útil redondear números decimales. Por ejemplo, si la bomba de una gasolinera muestra que llenaste el tanque del carro de un amigo con 16.478 galones de gasolina, podrías querer redondear el número y decirle a tu amigo que le pusiste 16.5 galones.

Step-by-step explanation:

Otra forma de comparar decimales es comparar los dígitos en cada número, empezando con el lugar de posición mayor, que es el de la izquierda. Cuando un dígito en un número decimal es mayor que el dígito correspondiente en el otro número, entonces ése número decimal es mayor.

 

Por ejemplo, primero compara los dígitos de las décimas. Si son iguales, continúa con el lugar de las centésimas. Si esos dígitos no son iguales, el decimal con el dígito mayor es el número decimal mayor. Observa cómo se hace esto en los ejemplos siguientes.

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