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maxonik [38]
3 years ago
7

Which of the following points lie in the solution set to the following system of inequalities?

Mathematics
2 answers:
mrs_skeptik [129]3 years ago
6 0

The answer is B hope this helps

zheka24 [161]3 years ago
5 0
The best way is to check all answers. lets check answer A first. 
Take the equation y > -3x +3 and substitute 2 for x and -5 for y.
(-5)> -3(2) + 3 
-5 > -6 + 3 
-5 > -3 
we know this is not true so A is not the answer. because it is an invalid solution. 
Lets check B 
(-2)>-3(5) + 3 
-2 > -15 +3 
-2 > -12 
we know this is true so it is a valid solution Now we have to check the other equation with the same point. 
y> x +2 
5> (-2)+2 
5> 0 
we know this is true so its a valid solution.
This means B the correct answer. 
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Help please i need this done by tmr !
Nataly [62]

Answer:

see explanation

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

sum the 3 angles and equate to 180

5x + 7 + 4x + 2 + 90 = 180 , that is

9x + 99 = 180 ( subtract 99 from both sides )

9x = 81 ( divide both sides by 9 )

x = 9

Then

∠ ACB = 4x + 2 = 4(9) + 2 = 36 + 2 = 38°

∠ BAC = 5x + 7 = 5(9) + 7 = 45 + 7 = 52°

-----------------------------------------------------------------------

Since the triangles are congruent then corresponding angles are congruent , so

∠ B = ∠ E

6x + 10 = 70 ( subtract 10 from both sides )

6x = 60 ( divide both sides by 6 )

x = 10

5 0
3 years ago
True or False
LUCKY_DIMON [66]

Answer:

hope this helps

Step-by-step explanation:

1. false it's positive

2. true

3. true

4 0
3 years ago
If the equation yx = zx is true, when yx is positive, x /= 0, and z is
denis23 [38]

Answer: negative

Step-by-step explanation:

With yx = zx, then by the Multiplicative Property of Equality, y = z. Since z is a negative integer, then y is also a negative integer. Since yx is positive, with y equal to a negative integer, then x is negative.

5 0
2 years ago
What is the perimeter =26
UNO [17]
It depends upon the shape.  But perimeter in general is the sum of the outside measure.  Here, for whatever the shape is, the perimeter is 26
6 0
3 years ago
Are 45/75 and 90/150 proportional?
lesya [120]
Yes they are
. 90/150= 3/5
 so 45/75 and 3/5.
3 0
3 years ago
Read 2 more answers
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