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azamat
3 years ago
14

Which point is in the solution set of the equation 3x+2y>7

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
8 0

Answer:

it is a that is the answer

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ANSWER QUICK!! 75 PTS!!!
iogann1982 [59]

Answer:

2) x = -2 , y = 2

3) no solution exists

Step-by-step explanation:

Solve the following system:

{-2 x - 3 y = -2

y = 2 x + 6

Hint: | Perform a substitution.

Substitute y = 2 x + 6 into the first equation:

{-2 x - 3 (2 x + 6) = -2

y = 2 x + 6

Hint: | Expand the left hand side of the equation -2 x - 3 (2 x + 6) = -2.

-2 x - 3 (2 x + 6) = (-6 x - 18) - 2 x = -8 x - 18:

{-8 x - 18 = -2

y = 2 x + 6

Hint: | Choose an equation and a variable to solve for.

In the first equation, look to solve for x:

{-8 x - 18 = -2

y = 2 x + 6

Hint: | Isolate terms with x to the left hand side.

Add 18 to both sides:

{-8 x = 16

y = 2 x + 6

Hint: | Solve for x.

Divide both sides by -8:

{x = -2

y = 2 x + 6

Hint: | Perform a back substitution.

Substitute x = -2 into the second equation:

Answer: {x = -2 , y = 2

4 0
3 years ago
Calculate the perimeter of the regular hexagon which has 8 sides <br><br> Pls help I’m stuck
snow_lady [41]
6+6+6+6+6+6+6+6= 48

The perimeter is 48.
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3 years ago
What is <br>the answer. ​
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Positive 28 because to negative will equal a positive number
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2 years ago
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A mattress store is having a sale all mattresses are 30% of. Nate wants to know the sale price of a mattress that is regularly $
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Answer: $700

Step-by-step explanation:

The store is selling at 30% off.

If a mattress is $1,000, first find out what 30% of $1,000 is:

= 1,000 * 30%

= $300

The store is selling 30% off, this means that they are reducing the price by 30%:

= 1,000 - 300

= $700

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2 years ago
At the beginning of 2012 Jacobs savings account had 675.20. He deposited 40 each month and earned 66.50 interest for the year. W
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