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Dafna11 [192]
3 years ago
14

10 PTS PLEASE HELP ASAP! (dont write random answers pls) look at the pic attached:

Mathematics
1 answer:
melisa1 [442]3 years ago
5 0

Answer:

EF×AB= DF×AC

6×12=9×8

72=72

A is the correct answer also the angle in the diagram too.

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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
4 years ago
What is the percent increase??? Let’s see who gets it right !
MaRussiya [10]

Answer:

90% increase

Step-by-step explanation:

38-20 To find the increase in the wolves.

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Multiply by 100 to get the percentage

You will get 90%

4 0
3 years ago
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nadya68 [22]

Answer:

2(3)+5 means that the product of 2 and 3 plus 5 giving the answer as 11

Step-by-step explanation:

SORRY IVE NOT DRAWN A DIAGRAM BUT HOPE THAT THIS IS HELPFUL.

HAVE A WONDERFUL DAY.

8 0
3 years ago
Simplify the expression cosxcotx+sinx
Leni [432]

Answer:

I might be wrong but I think it is c²o²stx²+nsxi

4 0
3 years ago
Geometry question please help!
fiasKO [112]

Answer:

4

Step-by-step explanation:

Since,

The width of the Longer gear is 7, and the smaller gear has a width of 3..

7-3 = 4

Hope it helps...

Marking me as Brainliest would help me... :(

5 0
2 years ago
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