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Arlecino [84]
2 years ago
12

What is 2x - 3y is less than or equal to 12?Please I am desperate!!!!!!!!!!!!

Mathematics
2 answers:
Vlad1618 [11]2 years ago
4 0

2x-3y <= 12

Subtract 2x from both sides:

-3y <= 12 - 2x

Divide all terms by -3 ( when you divide an inequality by a negative value you must also reverse the inequality sign)

y >= -4 +2/3x or can be written as y >=2/3x -4

Nimfa-mama [501]2 years ago
3 0

Answer:

2x - y \leqslant 12 \\  -3 y \leqslant  - 2x  + 12 \\ 3y \geqslant 2x - 12 \\ y \geqslant  \frac{2}{3} x - 4

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for the following two numbers, find two factors of the first number such that their product is the first number and their sum is
zepelin [54]
You can make some algebraic equations and solve it.
The first would be:
x \times y =  - 21
The second would be
x + y =  - 4
You can then rearrange the second into
x =  - 4 - y
And subsitute it into the first like so:
( - y - 4) \times y = -  21
After that, distribute the y into the parantheses.
{ - y}^{2}  - 4y =  - 21
Subtract the 21 on both sides and multiply by -1 on both sides:
{ - y}^{2}  - 4y  +  21 \\ {y}^{2}  + 4y  -  21
You then can factor it into:
(y + 3) \times (y - 7) = 0
With Zero Product Property, we can determine y to be either -3 and 7. Since the variables are interchangable, you can say the same about x, just that whatever x is, y must be the other value.


Thus, the answer is 7 and -3.
5 0
3 years ago
What is the second step in costructing congruent angles?
sattari [20]

Answer:

Given an angle formed by two lines with a common vertex, this page shows how to ... The above animation is available as a printable step-by-step instruction sheet, which can be ... This construction works by creating two congruent triangles

Step-by-step explanation:

3 0
2 years ago
Help me asap!!!!! Very important!!
frozen [14]

Answer:

  • strong negative linear correlation
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Step-by-step explanation:

You need to notice that when altitude goes up, temperature goes down. That means the correlation is negative.

The table shows the temperature decrease to be monotonic (nowhere does it go up when altitude increases), so the correlation is strong.

The strong negative correlation number available to you is -0.986.

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4 0
2 years ago
MDEG
Margaret [11]
The answer would be 84
5 0
2 years ago
Please help me with this question please help
Liula [17]

Answer:

It's 4.6 but rounded to 5

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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