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aleksandrvk [35]
3 years ago
15

Cordenadas cartesianas​

Mathematics
2 answers:
kykrilka [37]3 years ago
6 0
Un sistema de coordenadas cartesianas es un sistema de coordenadas que especifica cada punto de forma única en un plano mediante un conjunto de coordenadas numéricas, que son las distancias con signo al punto desde dos líneas orientadas perpendiculares fijas, medidas en la misma unidad de longitud.
Alina [70]3 years ago
4 0

Answer:

what

Step-by-step explanation:

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How many 2-letter words can be made from the letters MATH if
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7 0
3 years ago
A heater repairman charges $40 to visit a home, plus $70 per hour for the time he spends on the repair. This situation can be de
frez [133]

Answer:

b = 40

Step-by-step explanation:

A heater repairman charges $40 to visit a home, plus $70 per hour for the time he spends on the repair.

This situation can be described by an equation of the form y=mx+b , where

x = the time in hours

y = the cost in dollars.

What is the value of b in this equation?

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Writing the above in an equation =

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3 0
3 years ago
7)
yuradex [85]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
Solve for |2x + 4|-1=7
Rudik [331]

Answer:

x = - 6 or x = 2

Step-by-step explanation:

The absolute value function always returns a positive value. However, the expression inside can be positive or negative.

Given

| 2x + 4 | - 1 = 7 ( add 1 to both sides )

| 2x + 4 | = 8, thus

2x + 4 = 8 ( subtract 4 from both sides )

2x = 4 ( divide both sides by 2 )

x = 2

OR

-(2x + 4) = 8

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- 2x = 12 ( divide both sides by - 2 )

x = - 6

As a check

Substitute these values into the left side of the equation and if equal to the right side then they are the solutions.

x = 2 → | 4 + 4 | - 1 = | 8 | - 1 = 8 - 1 = 7 ← True

x = - 6 → | - 12 + 4 | - 1 = | - 8 | - 1 = 8 - 1 = 7 ← True

Hence the solutions are x = - 6 or x = 2

6 0
3 years ago
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