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Airida [17]
3 years ago
10

A restaurant has 57 chairs.There are 4 chairs at each table. About how many tables are in the restaurant?

Mathematics
2 answers:
LiRa [457]3 years ago
7 0
About 14.........!.!.!.!.!.!.!
liubo4ka [24]3 years ago
5 0
The answer is fourteen
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I need the help as soon as possible
Minchanka [31]

Answer:

a is true

Step-by-step explanation:

its because 7+(-7) =0 so a is correct

7 0
3 years ago
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QUESTION 20
Elodia [21]

Answer:

B. -55

Step-by-step explanation:

La resta entre ambas funciones consiste en la sustracción de términos semejantes como demostraremos a continuación:

1) f(x) =-2\cdot x ^{2}-6 Dado

2) g(x) = x+4 Dado

3) (f-g)(x) = (-2\cdot x^{2}-6)-(x+4) Definición de resta de funciones.

4) (f-g)(x) = (-2\cdot x^{2}-6)+(-1) \cdot (x+4)        (-1)\cdot a = -a

5) (f-g)(x) = (-2\cdot x^{2}-6) + (-x-4) Propiedad distributiva/(-1)\cdot a = -a

6) (f-g)(x) = -2\cdot x^{2}-x+(-6-4) Propiedad conmutativa

7) (f-g) (x) = -2\cdot x^{2}-x-10 Sustracción de términos semejantes/Resultados.

A continuación, evaluamos la función resultante en x = -5:

(f-g)(-5) = -2\cdot (-5)^{2}-(-5)-10

(f-g)(-5) =-55

Por ende, la respuesta correcta es B.

8 0
2 years ago
1,985 + 12,000 + what ? = 14,471 .
Scrat [10]

Answer:

486

Step-by-step explanation:

1,985 + 12,000 + x = 14,471

x = 14471 - 12000 - 1985

x = 486

6 0
3 years ago
Read 2 more answers
Please help me i need help bad
Elena L [17]

Answer:

Line segment A' B' has a length of 2 units, and line segment C' D' has a length of 4 units.

Step-by-step explanation:

All we need to do is count the units in between the line segments.

3 0
2 years ago
8 people are boarding a plane 2 have tickets for first class and board before everyone. In how many ways can these people board
mixer [17]
2!6!=2\times1\times6\times5\times4\times3\times2\times1=1440
3 0
2 years ago
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