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Elodia [21]
2 years ago
14

Represente em uma reta numérica os conjuntos indicados abaixo (cada conjunto deve ser representado em uma reta numérica diferent

e). a) [1,2] [3, 17/2].
TURMA...

b) (-1, 1) U [1, +).

c) (-2, 3] n (3, 6).

d) [-3, -1) n -2, +0).​
Mathematics
1 answer:
zmey [24]2 years ago
3 0
La respuesta es C(-2,3) n(3,6)
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HELP!!!! Choose the correct answer. Which expression, when evaluated,
blagie [28]

We will check each options and verify it

(a)

18-2m

we can plug m=2

18-2\times 2

18-4

14

so, this is FALSE

(b)

7x-\frac{x}{3} >19

we can plug x=3

7\times 3-\frac{3}{3} >19

21-1 >19

20 >19

so, this is TRUE

(c)

6x-1>4x+5

we can plug x=3

6\times 3-1>4\times 3+5

18-1>12+5

17>17

so, this is FALSE

(d)

2x^2-3x+1

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2(2)^2-3(2)+1

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8 0
3 years ago
Can someone please help me???<br><br> -5x+y=35<br> 3x+2y=-21<br><br> (Use substitution method)
Elodia [21]
Answer: x= -7, y= 0
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5 0
3 years ago
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Postulate: If two lines intersect, then they intersect in exactly one point. true or false
ololo11 [35]

Answer:

Step-by-step explanation:

The given postulate If two lines intersect, then they intersect in exactly one point is true because whenever the two lines intersect they intersect at one point only and we know that a postulate  is a statement that we accept without proof.

The given theorem If two distinct planes intersect, then they intersect in exactly one line is true as theorem is a statement that has been proved and it has been proved that if  two distinct planes intersect, then they intersect in exactly one line.

The figures are drawn to prove them.

7 0
3 years ago
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it's a I know this because I'm in the 8th

Step-by-step explanation:

it's a

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3 years ago
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IrinaVladis [17]

Answer:

The correct answer is option B.

Step-by-step explanation:

Two point form of the equation:

(y-y_1)=\frac{y_2-y_1}{x_2-x_1}\times (x-x_1)

\frac{y_2-y_1}{x_2-x_1}=Slope=m

(y-y_1)=m\times (x-x_1)

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Hence, the correct answer is option B.

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3 years ago
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