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garik1379 [7]
4 years ago
14

Chelsea is graphing the function f(x) = 20(One-fourth)x. She begins by plotting the initial value. Which graph represents her fi

rst step?
Mathematics
2 answers:
natta225 [31]4 years ago
8 0

Answer:

C

Step-by-step explanation:

Alenkinab [10]4 years ago
4 0

Answer:

c

Step-by-step explanation:

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Find an ordered pair that represents t in the equation t=-8u if u=(-1,4) and v=(3,-2)
joja [24]

Answer: (8,-32) C on edg

Step-by-step explanation:

I just took the quiz.

4 0
3 years ago
What shape have 4 sides and 4 angles
Maru [420]
A rectangle. It has four 90 degree angles.
6 0
3 years ago
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Rosa has already jarred 12 liters of jam and will jar an additional 1 liter of jam every day. How many days does Rosa need to sp
weqwewe [10]

Answer:

8 days

Step-by-step explanation:

Pretty simple actually if you put your brain to it

every day she adds one liter right?

so to reach 20 liters of jam you would minus 12 from 20 which would be 8 days in order to reach 20.

3 0
3 years ago
Un Cuarto De La Suma De Dos Números Es 81 Y Un Tercio De Su Diferencia Es 54. ¿Cuáles Son Tus Números?
djyliett [7]

Answer:

Los números son 81 y 243.

Step-by-step explanation:

Un sistema de ecuaciones lineales, también conocido como sistema lineal de ecuaciones o simplemente sistema lineal, es un conjunto de ecuaciones lineales que relacionan incógnitas entre sí.

Una solución de un sistema es una asignación de valores para las incógnitas que hace  verdadera cada una de las ecuaciones. Esto es, en los sistemas de ecuaciones, se debe buscar los valores de las incógnitas, con los cuales al reemplazar, deben dar la solución planteada en ambas ecuaciones.

En este caso las variables o incógnitas son los números "x" e "y".

Un tercio es la tercera parte de una cantidad y se calcula dividiendo por 3, mientras que un cuarto es la cuarta parte de una cantidad y se calcula dividiendo por 4.

Si un cuarto de la suma de dos números es 81 y un tercio de su diferencia es 54, el sistema de ecuaciones queda definido como:

\left \{ {{\frac{x+y}{4} =81} \atop {\frac{x-y}{3} =54}} \right.

Resolviendo por el sistema de sustitución, en primer lugar se debe despejar o aislar una de las incógnitas de una de las ecuaciones. En este caso, aislando la incógnita "x" de la primer ecuación se obtiene:

x +y= 4*81

x= 324 - y

Sustituyendo la expresión obtenida en la segunda expresión:

\frac{324-y-y}{3} =54

Resolviendo se obtiene:

324-y-y= 3*54

324 - 2*y= 162

-2*y= 162 - 324

-2*y= -162

y= (-162)÷ (-2)

y= 81

Reemplazando este valor obtenido en la expresión x= 324 - y se obtiene:

x= 324 - 81

x= 243

<u><em>Los números son 81 y 243.</em></u>

4 0
3 years ago
Sonya and her family went to dinner. The cost of the meal was $47.28. They left a 15% tip. What was the total amount sonyas fami
chubhunter [2.5K]

Answer:

$54.37

Step-by-step explanation:

First, need to find 15% of 47.28.

47.28 x .15 = 7.092

Then we add that to the original cost.

47.28+7.092 = 54.372

Round your answer

$54.37

Hope this helped!

3 0
3 years ago
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