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Monica [59]
4 years ago
13

Help ASAP math homework

Mathematics
2 answers:
astraxan [27]4 years ago
5 0
\left\{\begin{array}{ccc}y \ \textgreater \  -x-3\\y\leq4x+2\end{array}\right\\\\y=-x-3\\for\ x=0\to y=-0-3=-3\to(0;-3)\\for\ x=-3\to y=-(-3)-3=3-3-=0\to(-3;0)\\\\y=4x+2\\for\ x=0\to y=4(0)+2=0+2=2\to(0;2)\\for\ x=-1\to y=4(-1)+2=-4+2=-2\to(-1;-2)\\\\Answer\ in\ attachment

poizon [28]4 years ago
4 0
See attachment for graph.

Notes: graph each line as if they are "equal".
Then draw the lines as:
dashed for < and > 
solid for ≤ and ≥
Next, choose a test point and plug it into both equations.  If the result is True for BOTH equations, then shade that section.

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The value of y varies directly with x. Which function represents the relationship between x and y if y=20/3 when x=30
kkurt [141]
Set it up as a direct variation: y/x=k, where k is the constant of variation. (20/3)/30=k gives us a k value of 8/9. The function would be y=8/9x
4 0
3 years ago
106,56, 93,50, 80, 44, 67, 38, 54, 32, __, 26, 28, 20<br> What is the missing number
nalin [4]

Answer:

28

Step-by-step explanation:

6 0
3 years ago
What is the most simplified form of 2(x+2) - (x + 2)?​
KIM [24]

Answer:

=x+2

Step-by-step explanation:

2(x+2)−(x+2)

Distribute the Negative Sign:

=2(x+2)+−1(x+2)

=2(x+2)+−1x+(−1)(2)

=2(x+2)+−x+−2

Distribute:

=(2)(x)+(2)(2)+−x+−2

=2x+4+−x+−2

Combine Like Terms:

=2x+4+−x+−2

=(2x+−x)+(4+−2)

=x+2

Answer:

=x+2

8 0
3 years ago
X(2x-5) = 12<br><br> How to solve for x?
vlabodo [156]

Answer:

x=4,\:x=-\frac{3}{2}

Step-by-step explanation:

x\left(2x-5\right)

Apply the distributive law.

=x\cdot \:2x-x\cdot \:5
=2x^2-5x
2x^2-5x=12
Subtract 12 from both sides.
2x^2-5x-12=12-12
2x^2-5x-12=0
Now, apply the quadratic formula.
x_{1,\:2}=\frac{-\left(-5\right)\pm \sqrt{\left(-5\right)^2-4\cdot \:2\left(-12\right)}}{2\cdot \:2}
x_{1,\:2}=\frac{-\left(-5\right)\pm \:11}{2\cdot \:2}
Separate the solutions.
x_1=\frac{-\left(-5\right)+11}{2\cdot \:2},\:x_2=\frac{-\left(-5\right)-11}{2\cdot \:2}
Simplify.
x=4,\:x=-\frac{3}{2}

5 0
2 years ago
FREE BRAINLIST NEED HELP ASAP
11Alexandr11 [23.1K]

Answer:

The answer is C

Step-by-step explanation:

Trust me I made a graph to organize the numbers

4 0
3 years ago
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