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REY [17]
3 years ago
7

Inequalities part 2 I need help pls i dont understand

Mathematics
1 answer:
Bad White [126]3 years ago
8 0

Step-by-step explanation:

For y/x to be as high as possible, y must have the highest possible value and x must have the lowest possible value. (12 and 6)

Hence, y/x < 12/6, which is 2.

For y/x to be as low as possible, y must have the lowest possible value and x must have the highest possible value (10 and 7)

Hence, y/x > 10/7.

Combining the 2 inequalities, we have 10/7 < y/x < 2.

You might be interested in
How do you graph? <br> y=−4/3x+8y
trasher [3.6K]

How do we graph anything? Make a table of values for x and y and then plot each point. After plotting each point on the xy-plane, connect each point with a straight line or curve (depending on the function).


In this case, we must first isolate y.


y = (-4/3)x + 8y


y - 8y = (-4/3)x


-7y = (-4/3)x


y = (-4/3)x ÷ (-7)


y = (4/21)x


Now follow the steps above.


8 0
3 years ago
You have designed an experiment manipulating room temperature (cold, warm, or hot), noise level (quiet or loud), and room color
OleMash [197]

Answer:

Option B.

2 × 3 interactions are possible.

Step-by-step explanation:

Since the experiment is manipulating room temperature, noise level, and room colour, this means that the experiment has 3 main effects, and for that reason has 3 independent variables.

Since there are 3 independent variables, there are 3! interactions.

And 3! = 3 × 2 × 1 = 2 × 3

5 0
3 years ago
Answer choices:<br>A (3 , -4)<br>B (4 , -7/2)<br>C (-5 , 8)<br>D (5/2 , -17/4)​
zhuklara [117]

Answer: D (5/2, -17/4)

Step-by-step explanation:  Using elimination your goal is to get rid or 1 variable  so you can solve for the one that's left.  By adding the -2y and 2y you will get 0.  You will also add the 3x+x (4x) and -1+11 (10).  You have now gotten rid of the y and have 4x=10.  By dividing each side by 4 we now know x =2.5.  D is the only possible solution with x=2.5 (5/2) but to solve for y you plug 2.5 in to an equation as x so) x-2y=11

                                                                           2.5-2y=11

                                                                            -2y=8.5                                                                        Answer D (5/2,-17/4)                                      y=-17/4 (4.25)

4 0
3 years ago
If you know that f(x) + g(x) =
UkoKoshka [18]

Answer:

2(1) and 2(1)

Step-by-step explanation:

x=1

F=2

g=2

5 0
3 years ago
Determine the type of solution for the equation <br> -4x - 7 + 4x - 12 =90
Goshia [24]
I hope this helps you

8 0
3 years ago
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