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Ratling [72]
1 year ago
4

8. The interest on $2,000 for 2 years is $320.

Mathematics
1 answer:
Kipish [7]1 year ago
5 0

Answer:

8%

Step-by-step explanation:

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What are four consecutive integers with the sum of 318
sergeinik [125]
The numbers are 20, 21, 22, and 23.
8 0
3 years ago
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For f(x)=2x+1 and g(x)=x^2-7, find (f/g)(x)
Drupady [299]
The question is asking us to divide the function f(x) by the function g(x).

Knowing this, we can perform the division:
(2x+1)/(x^2-7) = (f/g)(x)
The simplest answer is \frac{2x+1}{ x^{2} - 7}, as there is no way to further simplify the problem. This means that there is a discontinuity where x =  \sqrt{7}, as it is impossible to divide by 0.
8 0
4 years ago
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Giving brainliest!!!! Plzz put the correct answers.
sleet_krkn [62]

Answer:

See below

Step-by-step explanation:

  • <em>aⁿ = a×a×a×....×a  (power n of the number a  =  number a multiplied by itself n times)</em>

2^(10)= 2x...x2 how many times  =  10 times 2

15^(57)= 15x...x15 how many times  = 57 times 15

(-4)x...x(-4) 7 times =  (-4)^(7)

(1.5)x...x(1.5) 12 times = (1.5)^(12)

4 0
3 years ago
If shown, line AB and line CD are straight lines. Find x in each case.
Sauron [17]

Answer:

x = 45

Step-by-step explanation:

To find x, derive an equation from the figure given.

Angles on a straightline = 180°. Therefore:

15 + x + 2x + 120 - 2x = 180

Combine like terms

15 + 120 + x + 2x - 2x = 180

135 + x = 180

Subtract 135 from both sides

135 + x - 135 = 180 - 135

x = 45

5 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
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