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dangina [55]
3 years ago
8

Which set of numbers represents the domain in the following graph? Helppppppp

Mathematics
1 answer:
pantera1 [17]3 years ago
4 0

Answer:a

Step-by-step explanation:

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Un padre para estimular a su hijo para estudiar matemáticas le dice: por cada ejercicio que resuelvas bien te daré 7 € y por cad
Naya [18.7K]

Answer:

8 ejercicios

Step-by-step explanation:

De acuerdo a la información dada, puedes plantear las siguientes ecuaciones:

x+y= 45 (1)

7x-1y= 19 (2)

x= ejercicios que resolvió bien

y= ejercicios que resolvió mal

Primero, puedes despejar x en (1):

x= 45-y (3)

Segundo, debes reemplazar (3) en (2):

7(45-y)-1y=19

315-7y-1y= 19

315-8y= 19

315-19= 8y

296= 8y

y= 296/8

y= 37

Tercero, debes reemplazar el valor de y en (3) para encontrar x:

x= 45-37

x= 8

De acuerdo a esto, la respuesta es que el hijo ha resuelto bien 8 ejercicios.

8 0
3 years ago
Solve the formula for the indicated variable.
kolbaska11 [484]

Answer: b = p - a -c  

Step-by-step explanation:

p= a + b + c  Solving for b means getting b on one side by itself.

p = a + b + c    To solve for b first subtract a from both sides to get,

-b         -b

p - a =  b + c   Now subtract  c from both sides   to get

-c              -c

p - a - c = b

b = p - a -c

3 0
3 years ago
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The altitude of a triangle forms a perpendicular line.<br><br> False<br><br> True
Ksivusya [100]
True is the answer for this question
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Help plsssssssssssssssssssssssssssssssssssssssssssssssssssssssssss
Diano4ka-milaya [45]

Answer:

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Step-by-step explanation:

uhhhh

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3 years ago
write two expressions that could be used to help you determine the new cost of a $415 television after adding a 6% sales tax
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1. 415 x 1.06 = 
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