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professor190 [17]
2 years ago
7

Please help on this two questions!!

Mathematics
1 answer:
marta [7]2 years ago
5 0
1.) The equation is 125 = 5x + 50. The answer should be 15 games.

2.) This is letter D. Tyler did not make a mistake.
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Una compañía sabe que si produce "x" unidades mensuales su utilidad "u" se podría calcular con la expresión:
belka [17]

Answer:

Δf(u) /Δx  = 92,8    ( razón de cambio promedio)

Step-by-step explanation:

La expresión de la utilidad de la empresa u(x) en función de la cantidad de unidades producidas "x" es:

u(x) = 0,04*x² + 44*x  -4000

Entonces la razón de cambio promedio en un intervalo (a ; b)  en este caso ( 620 ;  600 ) viene dada por la expresión:

Δf(x)/ Δx  =  [ f(b)  -  f(a) ]/( b - a )

en donde  f(b)  y f(a) se obtienen por sustitución de los valores a y b es decir  600 y 620 respectivamente en la función f(x) = u(x) entonces

Δf(u) /Δx  =  [ u(b)  -  u(a) ]/( b -a )        (1)

u(b) =  0,04*(620)² + 44*(620) - 4000

u(b) = 15376 + 27280 -4000

u(b) = 2656 unidades

u(a)  = 0,04* (600)²  +  44* 600  - 4000

u(a)  = 14400  +  26400  - 4000

u(a) = 800

Sustituyendo esos valores en la ecuación 1

Δf(u) /Δx  =  2656 - 800 / 620 - 600

Δf(u) /Δx  = 92,8

5 0
3 years ago
The cutoff point for the p-value area is called the:.
s2008m [1.1K]

Answer:

It is called the test statistic

Step-by-step explanation:

Hope this helps:)...if not then sorry for wastign your time and may God bless you:)

3 0
2 years ago
What is the solution to the system of equations shown on the graph?
Dmitry_Shevchenko [17]
The solution is (-1,-3), it is where the two lines meet.
7 0
3 years ago
For the first 3% of Brenda's salary, her employer matches 100% of her 401(k)
astra-53 [7]

Answer:$3750

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
Help me if tou don't then no brainlist for you​
Murljashka [212]

Answer:

Equal to 1,204-299

Step-by-step explanation:

Anything divided by 1 is equal to itself.

8 0
3 years ago
Read 2 more answers
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