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inessss [21]
3 years ago
12

Please help, I will give brainliest to whoever helps!

Mathematics
1 answer:
Olin [163]3 years ago
4 0

Answer: 0 solutions, II only, 1 solution

Step-by-step explanation:

When the first equation is factored, there are no real solutions that can be found. b^2 - 4ac has to be greater than 0 to have two solutions. x^2 + 2x + 1 is (x + 1) ^ 2, so there is one solution.

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La ecuación trigonométrica que no tiene solución es: a. cos x = 0 b. sen x = 0 c. sen x = -1 d. sen x = 1
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76

Step-by-step explanation:

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3 years ago
A set of points in the xy-coordinate plane meets two conditions, as described.
Pepsi [2]

Answer:

Condition 1:   y>0

Condition 2:  x+y>-2

Step-by-step explanation:

We are told that we have a set of points in the Cartesian system (i.e. x-y coordinate), so we can define our point as:

(x,y)

We are given two conditions and we want to create a system of inequalities. Now, generally speaking, inequalities are expressions relating mathematical expressions through 'comparison' (i.e. less than, greater than, or less/greater and equal to) usually recognized by , >, \leq and \geq, respectively.

So in our case let set up our inequalities.

Condition 1: the y-coordinate is positive

This can be mathematically translated as

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(i.e. y is greater than 0, therefore positive)

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The system of inequalities described by the two conditions is:

y>0\\x+y>-2

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