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Leokris [45]
3 years ago
5

Graphically, a point is a solution to a system of two inequalities if and only if the point

Mathematics
2 answers:
trapecia [35]3 years ago
7 0

Answer:

Lies in the shaded regions of both the top and bottom inequalities.

Step-by-step explanation:

The point of solution for BOTH systems of inequalities must work for both equations. Therefore, the point has to lie in both top and bottom shaded regions or it won't work for both, but just one.

seropon [69]3 years ago
3 0

Answer:

C,lies in the shaded regions of both the top and bottom inequalities.

Step-by-step explanation:

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5-2(x+5)=3x-15 solve for X
Maslowich

Answer:

x= 2

Step-by-step explanation:

5 -2(x +5)= 3x -15

Expand:

5 -2x -2(5)= 3x -15

5 -2x -10= 3x -15

Simplify:

-2x -5= 3x -15

Bring x terms to 1 side, constant to the other:

3x +2x= 15 -5

5x= 10

Divide both sides by 5:

x= 10 ÷5

x= 2

8 0
3 years ago
Read 2 more answers
Find the value of ‘x’
Karolina [17]

Answer:

x=30

Step-by-step explanation:

the midpoint is half the top + the bottom so;

1/2 (27 + 33) = x

1/2 (60) = x

30 = x

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5 0
3 years ago
Please help, will give brainliest!!!!!
soldi70 [24.7K]

Answer:

third option

Step-by-step explanation:

Brainliest please~

7 0
3 years ago
Determine the discriminant for the quadratic equation -3 = x^2+4x+1 . Based on the discriminant value, how many real number solu
djverab [1.8K]

Answer:

1 real

Step-by-step explanation:

The discriminant is:

b^2-4ac

which comes from the quadratic formula.

The rules are:

If the discriminant is > 0, there are 2 real solutions

If the discriminant is = 0, there is 1 real solution

If the discriminant is < 0, there are 2 imaginary solutions

(there are 2 other situations involving square roots, but these are the most basic ones in Algebra 2 books when you study quadratics)

First, we have to get that quadratic in standard form, which means getting everything on one side of the equals sign and setting it equal to 0:

x^2+4x+4 = 0

where a = 1, b = 4, c = 4

Filling in the discriminant:

4^2-4(1)(4)

gives us

16 - 16 = 0

Therefore, our quadratic has one real solution.  Factor it and see if you'd like, to prove that it is true.

7 0
3 years ago
Factor and simplify 8cos^2x+cosx-9
KonstantinChe [14]
HELLO DEAR,




GIVEN:-
8cos²x + cosx - 9

8cos²x + 9cosx - 8cosx - 9

cosx(8cosx + 9) - (8cosx + 9)

(cosx - 1)(8cosx + 9)


I HOPE ITS HELP YOU DEAR,
THANKS
3 0
3 years ago
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