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amid [387]
3 years ago
15

I really need help with this problem!!

Mathematics
1 answer:
MAXImum [283]3 years ago
5 0

1.

4

2.

11>-2 \underbrace{\implies}_{+3} 14>1 \underbrace{\implies}_{+3} 17>4\underbrace{\implies}_{+(-4)} 13>0

3.

-2

4.

-4

Comments:

We can see that as long as we add/subtract any value to both sides nothing happens: true statements remain true and false statements remain false. But if we multiply or divide by negative values, false statements become true and true statements become false. That why, when you multiply or divide an inequality by a negative number, you should also flip the inequality sign. For example, if we start with the true inequality

-2

If we multiply both sides by -2 we have to flip the sign as well:

4>-2

And the inequality will remain true.

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Seth measured a hotel and made a scale drawing the the scale he used was 1 inch : 3 feet the actual of the hotel is 18 feet how
sertanlavr [38]

Answer:

Step-by-step explanation:

Width of the room in the drawing = x

1 : 3 :: x : 18

Product of means = Product of extremes

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7 0
2 years ago
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zalisa [80]

Answer:

100 times

Step-by-step explanation:

8 0
3 years ago
Plz help due tomorrow
sp2606 [1]

Answer:

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Step-by-step explanation:

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8 0
2 years ago
This is a solving system of equations with the elimanaton method pls help
a_sh-v [17]

Answer:

<h2>x = 9 and y = 5</h2>

Step-by-step explanation:

\underline{+\left\{\begin{array}{ccc}-4x+9y=9\\3x-9y=-18\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad-x=-9\qquad\text{chnge the signs}\\.\qquad\boxed{x=9}\\\\\text{Put the value of x to the first equation.}\\\\-4(9)+9y=9\\-36+9y=9\qquad\text{add 36 to both sides}\\9y=45\qquad\text{divide both sides by 9}\\\boxed{y=5}

8 0
3 years ago
Solve the system using substitution or elimination<br> 2x-y=4<br> -3x+y=-2
Neko [114]

Answer:

(-2,-8)

Step-by-step explanation:


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